CN117198219B - Display method, device, storage medium and apparatus for display screen - Google Patents
Display method, device, storage medium and apparatus for display screen Download PDFInfo
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Abstract
The invention relates to the technical field of image display, and discloses a display method, equipment, a storage medium and a device for a display screen, wherein the method comprises the following steps: when an image to be displayed is received, extracting color component parameters corresponding to original pixel images in the image to be displayed, and iterating the color component parameters; generating a low-power-consumption pixel image according to the iterated color component parameters, and determining the structural similarity between the low-power-consumption pixel image and the original pixel image; and displaying the low-power-consumption pixel image when the structural similarity is within a preset similarity range. Compared with the prior art that the image quality is greatly influenced by reducing the power consumption in a Gamma correction mode, the method and the device have the advantages that the influence of the image quality is small while the power consumption is reduced, and the user experience is improved.
Description
Technical Field
The present invention relates to the field of image display technologies, and in particular, to a display method, device, storage medium, and apparatus for a display screen.
Background
Currently, organic Light-Emitting Diode (OLED) is widely used in mobile terminals as a next-generation display device with great potential due to its high image quality, low cost, and other characteristics.
However, as the number of the screen of the intelligent mobile terminal device increases, the energy consumption of the intelligent mobile terminal device increases, and when the power consumption of the OLED display is reduced, the Gamma correction mode is generally adopted in the prior art, that is, the brightness value of the pixel is mapped to a new value range, but the mode can affect the image quality to a greater extent, so that the user experience is poor.
Disclosure of Invention
The invention mainly aims to provide a display method, equipment, a storage medium and a device for a display screen, and aims to solve the technical problem that the image quality is greatly affected by reducing power consumption in the conventional Gamma correction mode, so that the user experience is poor.
In order to achieve the above object, the present invention provides a display method of a display screen, the method comprising the steps of:
when an image to be displayed is received, extracting color component parameters corresponding to an original pixel image in the image to be displayed, and iterating the color component parameters;
generating a low-power-consumption pixel image according to the iterated color component parameters, and determining the structural similarity between the low-power-consumption pixel image and the original pixel image;
and displaying the low-power-consumption pixel image when the structural similarity is within a preset similarity range.
Optionally, the step of extracting a color component parameter corresponding to an original pixel image in the image to be displayed and iterating the color component parameter includes:
extracting RGB component parameters corresponding to an original pixel image in the image to be displayed;
converting the RGB component parameters into HSV component parameters, and iterating the HSV component parameters;
correspondingly, the step of generating the low-power-consumption pixel image according to the iterated color component parameters comprises the following steps:
and converting the iterated HSV component parameters to obtain iterated RGB component parameters, and generating a low-power-consumption pixel image according to the iterated RGB component parameters.
Optionally, the step of iterating the HSV component parameter includes:
determining a brightness change percentage set and a saturation change percentage set according to a preset change step length, a preset brightness change range and a preset saturation change range;
iterating the HSV component parameters based on the set of brightness variation percentages and the set of saturation variation ranges percentages.
Optionally, the step of iterating the HSV component parameter based on the set of brightness variation percentages and the set of saturation variation ranges percentages includes:
Iterating a brightness parameter of the HSV component parameters based on the brightness variation percentage set;
executing the steps of generating a low-power-consumption pixel image according to the iterated color component parameters and determining the structural similarity between the low-power-consumption pixel image and the original pixel image;
and iterating the saturation parameters in the HSV component parameters based on the saturation change percentage set when the structural similarity is not in the preset similarity range.
Optionally, before the step of determining the brightness change percentage set and the saturation change percentage set according to the preset change step length, the preset brightness change range and the preset saturation change range, the method further includes:
adjusting the HSV component parameters based on an initial brightness variation range and an initial saturation variation range;
generating a corresponding adjusted pixel image according to each adjusted HSV component parameter, and drawing a structural similarity quadrant graph according to each adjusted pixel image and the original pixel image;
and determining the image display power consumption corresponding to each adjusted pixel image, and determining a preset brightness change range and a preset saturation change range according to the image display power consumption and the structural similarity quadrant graph.
Optionally, the step of determining a preset brightness variation range and a preset saturation variation range according to the image display power consumption and the structural similarity quadrant graph includes:
determining a quadrant to be selected from the structural similarity quadrant graph according to the image display power consumption;
selecting a target quadrant based on the image display taste corresponding to each quadrant to be selected;
and taking the brightness change range corresponding to the target quadrant as a preset brightness change range, and taking the saturation range corresponding to the target quadrant as a preset saturation change range.
Optionally, the step of displaying the low power consumption pixel image includes:
determining driving current parameters corresponding to the iterated color component parameters based on a preset mapping relation table;
and displaying the low-power-consumption pixel image according to the driving current parameter.
In addition, in order to achieve the above object, the present invention also proposes a display screen display device including a memory, a processor, and a display screen display program stored on the memory and executable on the processor, the display screen display program being configured to implement the display screen display method as described above.
In addition, in order to achieve the above object, the present invention also proposes a storage medium having stored thereon a display screen display program which, when executed by a processor, implements the display screen display method as described above.
In addition, in order to achieve the above object, the present invention also proposes a display device of a display screen, the display system of the display screen comprising: the device comprises a parameter extraction module, a similarity determination module and an image display module;
the parameter extraction module is used for extracting color component parameters corresponding to original pixel images in the images to be displayed when the images to be displayed are received, and iterating the color component parameters;
the similarity determining module is used for generating a low-power-consumption pixel image according to the iterated color component parameters and determining the structural similarity between the low-power-consumption pixel image and the original pixel image;
the image display module is used for displaying the low-power-consumption pixel image when the structural similarity is within a preset similarity range.
In the invention, when an image to be displayed is received, extracting color component parameters corresponding to an original pixel image in the image to be displayed, and iterating the color component parameters; generating a low-power-consumption pixel image according to the iterated color component parameters, and determining the structural similarity between the low-power-consumption pixel image and the original pixel image; and displaying the low-power-consumption pixel image when the structural similarity is within a preset similarity range. The invention can extract the color component parameters corresponding to the original pixel image in the image to be displayed, iterate the color component parameters to obtain the low-power-consumption pixel image, compare the structural similarity between the low-power-consumption pixel image and the original pixel image, and if the structural similarity is in the preset similarity range, the image quality of the low-power-consumption pixel image is less influenced, the low-power-consumption image is displayed, compared with the prior art that the image quality is greatly influenced by reducing the power consumption in a Gamma correction mode, the invention reduces the power consumption and simultaneously has less influence on the image quality, and improves the user experience.
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FIG. 1 is a schematic diagram of a display device of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart of a first embodiment of a display method of the present invention;
FIG. 3 is a schematic diagram of the basic structure of an OLED in the display method of the display screen of the present invention;
FIG. 4 is a schematic diagram of an OLED colorization implementation method in the display method of the display screen of the present invention;
FIG. 5 is a schematic view of RGB color space in the display method of the present invention;
FIG. 6 is a diagram showing the correspondence between MSSIM values and human visual effects in the display method of the present invention;
FIG. 7 is a schematic view of HSV color space in a display method of a display screen of the present invention;
FIG. 8 is a graph showing the relationship between RGB component parameters and corresponding driving currents in a display method of a display screen according to the present invention;
FIG. 9 is a diagram showing the relationship between RGB component parameters and corresponding driving currents in a display method of a display screen according to the present invention;
FIG. 10 is a flowchart of a second embodiment of a display method of the present invention;
FIG. 11 is a graph showing the relationship between saturation parameter and brightness parameter within + -100% in HSV color space for an input image in the display method of the present invention;
FIG. 12 is a block diagram of a power consumption reduction structure of an OLED display screen in the display method of the present invention;
FIG. 13 is a flowchart of a third embodiment of a display method of the present invention;
FIG. 14 is a quadrant graph of MSSIM partitions corresponding to different saturation parameters and brightness parameter changes in the display method of the display screen of the present invention;
FIG. 15 is a diagram showing a MSSIM zoned quadrant mapping lookup table corresponding to different saturation parameters and brightness parameter changes in the display method of the present invention;
FIG. 16 is a graph of MSSIM zone quadrant corresponding image taste and power consumption in the display method of the present invention;
fig. 17 is a block diagram showing a first embodiment of a display device of the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a display device of a hardware running environment according to an embodiment of the present invention.
As shown in fig. 1, the display screen display device may include: a processor 1001, such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display (Display), and the optional user interface 1003 may also include a standard wired interface, a wireless interface, and the wired interface for the user interface 1003 may be a USB interface in the present invention. The network interface 1004 may optionally include a standard wired interface, a Wireless interface (e.g., a Wireless-Fidelity (Wi-Fi) interface). The Memory 1005 may be a high-speed random access Memory (Random Access Memory, RAM) or a stable Memory (NVM), such as a disk Memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.
It will be appreciated by those skilled in the art that the structure shown in fig. 1 is not limiting of the display screen display device and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
As shown in FIG. 1, memory 1005, which is considered to be a type of computer storage medium, may include an operating system, a network communication module, a user interface module, and a display screen display program.
In the display device shown in fig. 1, the network interface 1004 is mainly used for connecting to a background server, and performing data communication with the background server; the user interface 1003 is mainly used for connecting user equipment; the display device invokes a display program stored in the memory 1005 through the processor 1001, and executes the display method provided by the embodiment of the present invention.
Based on the above hardware structure, an embodiment of the display method of the display screen of the present invention is presented.
Referring to fig. 2, fig. 2 is a flowchart of a first embodiment of a display method of the present invention, and a first embodiment of the display method of the present invention is provided.
In a first embodiment, the display method of the display screen includes the steps of:
step S10: and when the image to be displayed is received, extracting color component parameters corresponding to the original pixel image in the image to be displayed, and iterating the color component parameters.
It should be noted that, as a next-generation display device with huge potential, an Organic Light-Emitting Diode (OLED) is widely used in mobile terminals due to its characteristics of high image quality, low power consumption, low cost, and the like. Compared with a liquid crystal display (Liquid Crystal Display, LCD), the OLED does not use a backlight, has a self-luminous property, each pixel assembly for displaying an image can be independently driven, the LCD can reduce power consumption by reducing the intensity of a light source, and the OLED can achieve energy saving by adjusting the brightness and color intensity of display contents.
The currently commonly used OLED structure adopts a three-layer electrode intermediate layer structure, referring to fig. 3, fig. 3 is a schematic diagram of the basic structure of an OLED in the display method of the display screen of the present invention, as shown in fig. 3, including: a cathode (metal), an Electron Transport Layer (ETL), an organic light emitting layer (ELL), a Hole Transport Layer (HTL), an anode (ITO), and a glass substrate, wherein the cathode (metal) is connected to the glass substrate through the positive electrode of the power supply, and the cathode (metal) is connected to the cathode through the power supply. Three ways of implementing the main stream of full color display are used, including: referring to fig. 4, fig. 4 is a schematic diagram of a method for implementing OLED colorization in the display method of the display screen of the present invention.
However, as the number of screens of the intelligent mobile terminal device increases, the energy consumption of the intelligent mobile terminal device increases, and the OLED display screen is lightened and displayed without a backlight source, and the injection, migration and recombination processes of carriers are initiated by the action of an external electric field, so that exciton machine migration luminescence and release energy are generated, and the power consumption of the OLED display screen luminescence is in direct proportion to the luminescence intensity. The current common way to reduce the power consumption of OLED display is generally Gamma correction, that is, mapping the brightness value of a pixel to a new value range to change the power consumption, where the power consumption can be obtained by the following formula (1):
wherein the method comprises the steps ofPower is consumed for the total pixel, +.>Representing the total number of pixels; />、/>、/>R, G, B minutes each representing the ith pixel in the display contentAn amount of; index->Gamma correction values representing display contents in a standard RGB color space; coefficient->、/>、/>The energy efficiency coefficients of the three primary colors of R, G, B are respectively. It can be derived from the above formula (1) that to reduce the power consumption of the OLED display screen, it is the most effective and direct way to reduce the power consumption of the RGB pixels of the image, but at the same time, as the RGB pixel values are reduced, the final display quality of the image is inevitably affected, resulting in poor user experience.
Therefore, in order to solve the above-mentioned defect, trade-off can be obtained between the two, the final display quality of the image can be guaranteed while reducing the power consumption of the OLED display screen, the embodiment can iterate the original pixel image to obtain the low-power consumption pixel image after each iteration, and the influence degree on the image quality is determined through the structural similarity between the low-power consumption pixel image and the original pixel image, when the structural similarity is in the preset similarity range, the image quality of the low-power consumption pixel image can be indicated to be less influenced, the user can not be influenced to watch, and further the user experience is improved.
It can be appreciated that the method of the embodiment may be applied to a scene displayed on a display screen. The execution body of the method of the embodiment may be a computing service device with display screen display, network communication and program running functions, for example, an OLED display screen, etc., or may be other electronic devices that implement the same or similar functions. The present embodiment and the following embodiments will be described below with reference to the above-described display screen display device (simply referred to as device).
It should be understood that the image to be displayed may be any image to be displayed, and the embodiment is not limited thereto, and the device may receive the image to be displayed from an external device and determine an original pixel image in the image to be displayed, where the original pixel image may be an image corresponding to a pixel for forming the image to be displayed.
It should be further noted that the color component parameters may be parameters of components corresponding to the original pixel image in a color space, and the display content of the original pixel image may be represented by the color component parameters, where the color space adopted in this embodiment may be an RGB color space, that is, the display content of the original pixel image may be represented by three channels, that is, red (Red, R), green (Green, G) and Blue (Blue, B), and any color may be represented by a linear combination of the three color channels, and referring to fig. 5, fig. 5 is a schematic diagram of the RGB color space in the display method of the present invention, as shown in fig. 5, where the component parameter ranges corresponding to R, G and B may be 0-225, and any color may be represented by different component parameter values.
It can be understood that the above iteration may be a process of sequentially adjusting the color component parameters, that is, sequentially adjusting the R component parameter, the G component parameter, and the B component parameter, and since the driving currents corresponding to the different component parameters are different, the driving currents can be reduced by adjusting the component parameters, so as to achieve the purpose of reducing the power consumption.
In a specific implementation, the device may extract color component parameters corresponding to each original pixel image in the image to be displayed when receiving the image to be displayed, and start iterating each color component parameter.
Step S20: and generating a low-power-consumption pixel image according to the iterated color component parameters, and determining the structural similarity between the low-power-consumption pixel image and the original pixel image.
It can be further understood that the low-power pixel image may be an image obtained by iterating an original pixel image, the structural similarity (Multi-Scale Structural Similarity Index, MSSIM) may evaluate the brightness, contrast and visual effect of three features of the image and represent the degree of similarity of image quality between the low-power pixel image and the original pixel image, the basic idea is that an output image (i.e., the low-power pixel image) and the original image (i.e., the original pixel image) are divided into a plurality of sub-windows, the brightness, contrast and structural similarity of the sub-windows of the output image and the corresponding sub-windows in the original image are calculated respectively, and finally, the average value of the comparison results of all the sub-windows is taken as the MSSIM value of the output image compared with the original image, and the calculation formula (2) may be:
wherein,representing the MSSIM value; />Representing the number of divided sub-windows; />Representing the local mean of the sub-window; />Representing a variance operator; / >Representing covariance operators; />Representing an original image; />An ith sub-window representing the original image; />Representing an output image; />An ith sub-window representing an output image; constant->And->For avoiding meaningless special cases that occur when the denominator is 0 or close to 0. The value range of the MSSIM is-1, the closer to 1 the similarity of the two images is, the lower the similarity is, when the MSSIM value is 1, the two images are identical, the specific corresponding relation can be described with reference to FIG. 6, FIG. 6 shows the intention of the corresponding relation between the MSSIM value and the human visual effect in the display method of the display screen of the invention, as shown in FIG. 6, wherein P is the value of the MSSIM, and if P is more than 0.9 and less than or equal to 1, the corresponding visual effect can be: the output image is basically consistent with the original image, and human eyes cannot distinguish the difference; if P is more than 0.8 and less than or equal to 0.9, the corresponding visual effect can be: the output image is slightly different from the original image, so that the output image is hardly perceived by human eyes; if P is more than 0.6 and less than or equal to 0.8, the corresponding visual effect can be: the output image is different from the original image, but the difference is acceptable to human eyes; if P is more than 0.4 and less than or equal to 0.6, the corresponding visual effect can be: the difference between the output image and the original image is obvious, and the difference between the output image and the original image can be obviously seen; if P is less than or equal to 0.4, the corresponding visual effect may be: the output image is completely distorted compared to the original image and the image quality is not acceptable.
Further, in the iterative process, considering that the RGB color space has a certain limitation in the image processing, since any color is related to the three components and the three components are highly related, the continuous color conversion is not intuitive, and if the color of the image is to be adjusted, the three components need to be changed; meanwhile, as the three components of the RGB color space are closely related to the brightness, namely if the brightness is changed, the three components are correspondingly changed, and for a certain color, the numerical value of the three components is presumed to be lower in accuracy; the degrees of sensitivity of different single colors to human eyes are also inconsistent, for example, red color can be least sensitive, blue color can be most sensitive, and the like, and for the reasons of poor uniformity of iterative processing by adopting an RGB color space, further for facilitating iterative processing, the embodiment adopts an HSV color space for processing, referring to fig. 7, fig. 7 is a schematic diagram of the HSV color space in the display method of the display screen of the present invention, as shown in fig. 7, wherein color component parameters can be Hue (Hue, H), saturation (Saturation, S) and brightness (Value, V), and the HSV color space can be closer to the perception of colors by human eyes than the RGB color space, and the specific procedures are as follows:
The step of extracting the color component parameters corresponding to the original pixel image in the image to be displayed and iterating the color component parameters includes:
step S11: extracting RGB component parameters corresponding to an original pixel image in the image to be displayed;
step S12: converting the RGB component parameters into HSV component parameters, and iterating the HSV component parameters.
It should be noted that the above HSV component parameters may include H, S and component parameters corresponding to V, the above device may convert the RGB component parameters into floating point values between 0 and 1, calculate differences between the maximum component parameter and the minimum component parameter based on the floating point values, and obtain the HSV component parameters corresponding to the HSV color space according to the differences.
It will be appreciated that after the HSV component parameters are obtained, three of the component parameters may be iterated, and the particular iteration process is not limited in this embodiment.
Accordingly, since the present embodiment converts from RGB color space to HSV color space, in order to facilitate determining the structural similarity, the step of generating the low-power pixel image according to the iterated color component parameters includes:
step S21: and converting the iterated HSV component parameters to obtain iterated RGB component parameters, and generating a low-power-consumption pixel image according to the iterated RGB component parameters.
It should be understood that after the iteration, the device can convert the iterated HSV component parameters into component parameters under the RGB color space again, obtain the iterated RGB component parameters, and generate a low-power-consumption pixel image according to the iterated RGB component parameters, so that the subsequent obtaining of the structural similarity can be facilitated.
In a specific implementation, the device may extract RGB component parameters under RGB color space corresponding to each original pixel image in the image to be displayed when receiving the image to be displayed, convert the RGB component parameters into HSV component parameters under HSV color space, iterate the HSV component parameters, convert the iterated HSV component parameters into iterated RGB component parameters, generate a low-power-consumption pixel image according to the iterated RGB component parameters, and determine structural similarity between the low-power-consumption pixel image and the original pixel image.
Step S30: and displaying the low-power-consumption pixel image when the structural similarity is within a preset similarity range.
It should be further noted that, the preset similarity range may be a structural similarity range that reduces power consumption at the same time when the image quality is affected to a lesser extent, and may be selected according to practical situations, and in this embodiment, in order to ensure the image quality of the image to be displayed while reducing power consumption, the preset similarity range is set to be 0.9 < p.ltoreq.1.
Further, in order to display the low-power-consumption pixel image, in this embodiment, the step of displaying the low-power-consumption pixel image includes:
step S31: and determining the driving current parameters corresponding to the iterated color component parameters based on a preset mapping relation table.
It should be noted that, the preset mapping relationship table may be a relationship table between the RGB component parameters and the corresponding driving currents after iteration, referring to fig. 8 and 9, fig. 8 is a graph showing a relationship between the RGB component parameters and the corresponding driving currents in the display method of the display screen of the present invention, fig. 9 is a graph showing an intention of a relationship between the RGB component parameters and the corresponding driving currents in the display method of the display screen of the present invention, as shown in fig. 8 and 9, the corresponding component parameters are the component parameters in the abscissa Gray Scale in fig. 8, the corresponding component parameters are the driving currents in the ordinate OLED currents, and the corresponding component parameters of different R, G and B may correspond to one driving current, as shown in fig. 9, the range of the component parameters may be 0 to 255, the range of the driving currents corresponding to r may be 0.0na to 600.0na, the range of the driving currents corresponding to g may be 0.0na to 700.0na, and the corresponding driving currents corresponding to B may be 0.0na to 700.0na, which may be obtained according to specific relationships, or may not be obtained by other methods.
It can be understood that the driving current parameter may be a current parameter corresponding to driving the OLED display to display the low-power pixel image, for example, RGB component parameters are (47, 114, 185), and the corresponding driving current is (110.6, 178.8, 507.8) nA according to the preset mapping table.
Step S32: and displaying the low-power-consumption pixel image according to the driving current parameter.
It should be understood that after the driving current parameter is obtained, driving data can be generated according to the driving current parameter to set currents corresponding to row driving and column driving of the OLED display screen, so that a corresponding low-power-consumption pixel image can be displayed.
In a specific implementation, after each iteration, the device calculates the structural similarity between the low-power-consumption pixel image obtained after the iteration and the original pixel image, judges whether the structural similarity is within the range of 0.9 < P less than or equal to 1, if not, indicates that the image quality is greatly influenced, further continues to iterate, if so, indicates that the image quality is not greatly influenced, determines driving current parameters corresponding to the iterated RGB component parameters according to a preset mapping relation table, displays the low-power-consumption pixel image according to the driving current parameters, reduces the power consumption, and has smaller influence degree on the image quality, thereby improving the user experience.
According to the device, when the image to be displayed is received, RGB component parameters under the RGB color space corresponding to each original pixel image in the image to be displayed are extracted, the RGB component parameters are converted into HSV component parameters under the HSV color space, iteration is carried out on the HSV component parameters, after each iteration, the iterated HSV component parameters are converted into iterated RGB component parameters, then a low-power-consumption pixel image is generated according to the iterated RGB component parameters, the structural similarity between the low-power-consumption pixel image and the original pixel image is determined, whether the structural similarity is in a range of 0.9 < P < 1 or not is judged, if the structural similarity is not in a range, the image quality influence is larger, iteration is further continued, if the structural similarity is not in a range, the image quality influence is not large, driving current parameters corresponding to the iterated RGB component parameters are determined according to a preset mapping relation table, the low-power-consumption pixel image is displayed according to the driving current parameters, the influence degree of reducing power consumption on image quality is small, and user experience is improved.
Referring to fig. 10, fig. 10 is a flowchart of a second embodiment of a display method of the present invention, based on the first embodiment, considering that when the HSV component parameters are iterated, the purpose of reducing the OLED display power consumption can be achieved by increasing the saturation parameter or reducing the brightness component parameter, but increasing the saturation parameter or reducing the brightness parameter can cause image distortion of an image to be displayed, and affect the image quality, and further, in order to reduce the effect on the image quality, as shown in fig. 10, in this embodiment, the step of iterating the HSV component parameters includes:
Step S121: and determining a brightness change percentage set and a saturation change percentage set according to the preset change step length, the preset brightness change range and the preset saturation change range.
It should be noted that, the above-mentioned preset luminance variation range may be a variation range of an iterative luminance parameter, and the above-mentioned preset saturation variation range may be a variation range of an iterative luminance parameter, for convenience of understanding, referring to fig. 11, fig. 11 is a graph of a variation relationship between a luminance parameter and a saturation parameter within ±100% of an input image in a HSV color space in the display method of the present invention, as shown in fig. 11, when the saturation parameter (i.e. the saturation (S) in fig. 11) and the luminance parameter (i.e. the luminance (V) in fig. 11) are varied within a certain range (the range of the saturation parameter and the luminance parameter is about ±30%) in the region in the rectangular frame in fig. 11), the saturation parameter and the luminance parameter are substantially indistinguishable by human eyes even though the input image (i.e. the image in which the saturation parameter and the luminance parameter vary by 0%) are all corresponding to each other, and further, the saturation parameter and the luminance parameter may be iteratively varied by the preset luminance variation range.
It is understood that, based on fig. 11, the preset brightness variation range can be set to-100% to 100%, and the preset saturation variation range can be set to-100% to 100%, which is not limited in this embodiment.
It should be understood that the above-mentioned preset variation step length may be used to determine a specific saturation variation percentage and a brightness variation percentage, where the saturation variation percentage may be used as a percentage for adjusting the saturation parameter during iteration, the brightness variation percentage may be used as a percentage for adjusting the brightness parameter during iteration, and the above-mentioned preset variation step length in this embodiment may be described by using 5%, and of course, other variation step lengths may be used, where the smaller the variation step length, the better the obtained low-power pixel image.
The percentage change in luminance may be calculated as 5% in the present embodiment, and the percentage change in luminance may be (-100%, -95%, -90% … …%,95%, 100%), and similarly the percentage change in saturation may be calculated as 5%, and the percentage change in saturation may be (-100%, -95%, -90% … …%,95%, 100%).
Step S122: iterating the HSV component parameters based on the set of brightness variation percentages and the set of saturation variation ranges percentages.
It should be further noted that, the above device may sequentially iterate the saturation parameter and the luminance parameter according to a sequence, for example, the percentage set of luminance change is (-100%, -95%, -90% … …%,95%, 100%), if the HSV component parameters of the original pixel image are X, Y and Z respectively, iterate the luminance parameter, the HSV component parameters obtained after the first iteration are X, Y and-100% Z respectively, at this time, X, Y and-100% Z are converted into RGB component parameters in the RGB color space, then a low-power pixel image is generated according to the RGB component parameters after the iteration, the structural similarity between the low-power pixel image and the original pixel image is compared, if not at 0.9 < P is less than or equal to 1, the iteration is continued on the luminance parameter, among the HSV component parameters obtained after the second iteration, the HSV component parameters obtained after the iteration are X, Y and-95% Z respectively, the RGB component parameters X, Y and-95% Z are converted into RGB component parameters, at this time, the RGB component parameters are not more similar to the RGB component parameters, if the structural similarity between the RGB component parameters is less than or equal to 0.9, and the RGB image is not equal to 1, at this time, the low-power pixel image is generated, and the structural similarity between the low-power pixel image is not equal to RGB image is not equal to 1.
Further, considering that in the iteration, in order to reduce the influence on the image quality as much as possible, in this embodiment, the brightness may be iterated first, and then the saturation may be iterated, which specifically includes the following steps:
the step S122 includes:
step S1221: iterating a brightness parameter of the HSV component parameters based on the brightness variation percentage set;
step S1222: executing the steps of generating a low-power-consumption pixel image according to the iterated color component parameters and determining the structural similarity between the low-power-consumption pixel image and the original pixel image;
step S1223: and iterating the saturation parameters in the HSV component parameters based on the saturation change percentage set when the structural similarity is not in the preset similarity range.
It is understood that after the brightness change percentage set and the saturation change percentage set are determined, the brightness parameters may be iterated according to the values in the brightness change percentage set preferentially, if the values in the brightness percentage set cannot meet 0.9 < p.ltoreq.1, the saturation parameters are iterated according to the values in the saturation percentage set, for convenience of understanding, if the component parameters corresponding to H, S and V are X, Y and Z respectively, the saturation parameters are fixed first, the brightness parameters are sequentially changed, if the saturation parameter change percentage is fixed first, -100%, the value corresponding to S is-100% y, the brightness parameter change percentage is sequentially-100%, -95%, -90% … …% 90%,95%,100% are sequentially-100% Z, -95% Z, -90% Z … …% Z,95% Z,100% Z, and if the component parameters corresponding to V cannot meet 0.9 < p.ltoreq.1 in the process, the saturation parameter change percentage is increased by 5%, the value corresponding to S is-100% y, the brightness parameter change percentage is sequentially-100%, the brightness parameter change percentage is sequentially-95% 85890%, the value corresponding to 100% is sequentially-95% Z, the value is sequentially-95% is sequentially-100% and the brightness parameter change percentage is sequentially-95% and is sequentially-100% p.95% is sequentially-100% and is sequentially equal to 1.
For easy understanding, fig. 12 is a block diagram of a power-down structure of an OLED display screen in the display method of the present invention, where after receiving an input image (i.e., the original image), the device may calculate luminance parameters and saturation parameters corresponding to different preset change steps in HSV color space (i.e., calculate luminance and saturation corresponding image data corresponding to an unsynchronized length in HSV color space in fig. 12), convert the luminance parameters and saturation parameters into a low-power-consumption pixel image in RGB color space (i.e., convert the image data in RGB color space in fig. 12), calculate a structural similarity between the low-power-consumption pixel image and the original pixel image, determine whether 0.9 < P is less than or equal to 1 (i.e., calculate an MSSIM value of the original image in fig. 12, and determine whether the MSSIM value is equal to 0.9-1) according to RGB component parameters of the low-power-consumption pixel image, if so, determine corresponding driving current parameters according to RGB component parameters of the low-consumption pixel image, and display the driving current parameters (i.e., image data after power-down in fig. 12, find corresponding driving current by R/G/B component of the image, obtain the imageGenerating driving data to drive the row driving and the column driving of the OLED display screen), if not, returning to continue iteration, wherein the obtained image data with reduced power consumption changes along with the input picture in real time, and further the power consumption is reduced along with the input picture in real time.
According to the embodiment, the device can firstly acquire a preset change step length, a preset brightness change range and a preset saturation change range, determine brightness change percentages according to the preset change step length and the preset brightness change range, generate a brightness change percentage set, determine the saturation change percentages according to the preset change step length and the preset saturation change range, generate a saturation change percentage set, iterate brightness parameters based on the brightness change percentage set, generate low-power-consumption pixel images according to iterated color component parameters each time, determine the structural similarity between the low-power-consumption pixel images and original pixel images, judge whether the structural similarity is 0.9 < P < 1, if yes, display the low-power-consumption images, if no, continue iterating the brightness parameters, if all the brightness change percentages in the brightness change percentage set are iterated, iterate the saturation parameters based on the saturation change percentage set until 0.9 < P < 1, and further reduce the influence on image quality due to the fact that the brightness parameters are iterated preferentially.
Referring to fig. 13, fig. 13 is a schematic flow chart of a third embodiment of a display method of the present invention, and a third embodiment of the display method of the present invention is provided.
Considering that even if the brightness parameter is iterated first, and then the saturation parameter is iterated, the influence on the image quality can be reduced, but since the preset brightness variation range and the preset saturation variation range are both-100%, four conditions are satisfied when the brightness parameter is iterated, P is more than 0.9 and less than or equal to 1, and in order to select a range with lower power consumption and smaller influence on the image quality, the method further comprises, before the step S121:
step S1201: adjusting the HSV component parameters based on an initial brightness variation range and an initial saturation variation range;
step S1202: generating corresponding adjusted pixel images according to all the adjusted HSV component parameters, and drawing a structural similarity quadrant graph according to all the adjusted pixel images and the original pixel images
It should be noted that, in this embodiment, the initial luminance change range may be-100%, the initial saturation change range may also be-100%, the apparatus may iterate the HSV component parameters according to the initial luminance change range and the initial saturation change range, after generating the iterated pixel image as the adjusted pixel image, calculating the structural similarity between the iterated pixel image and the original pixel image, drawing a corresponding structural similarity quadrant graph, for convenience of understanding, referring to fig. 14 and 15, fig. 14 is an MSSIM partition quadrant graph corresponding to different saturation parameters and luminance parameter changes in the display method of the display screen of the present invention, fig. 15 is an MSSIM partition quadrant map corresponding to different saturation parameters and luminance parameter changes in the display method of the display screen of the present invention, as shown in fig. 14, the saturation change percentage (saturation (S) in fig. 14) may be used as a vertical coordinate, the luminance (V) in fig. 14) is used as a horizontal coordinate, under the corresponding change percentage, calculating the corresponding MSSIM value may be calculated, as shown in fig. 14, and if the corresponding MSSIM value is shown in fig. 15, and the corresponding MSSIM quadrant graph corresponding to the luminance change percentage (S) is 0.62 is found to be less than or equal to 0 in the vertical change map of the display method of the display screen of the present invention, that the corresponding to the luminance value is found to be equal to or less than 0.
It can be appreciated that fig. 14 is a quadrant diagram of the structural similarity.
Step S1203: and determining the image display power consumption corresponding to each adjusted pixel image, and determining a preset brightness change range and a preset saturation change range according to the image display power consumption and the structural similarity quadrant graph.
It should be understood that the above-mentioned image display power consumption may be the power consumption corresponding to the driving current parameter of the adjusted pixel image, and may be obtained by calculating the corresponding driving current parameter, or may be obtained by other manners, which is not limited in this embodiment.
Further, the step of determining the preset brightness variation range and the preset saturation variation range according to the image display power consumption and the structural similarity quadrant graph includes: determining a quadrant to be selected from the structural similarity quadrant graph according to the image display power consumption; selecting a target quadrant based on the image display taste corresponding to each quadrant to be selected; and taking the brightness change range corresponding to the target quadrant as a preset brightness change range, and taking the saturation change range corresponding to the target quadrant as a preset saturation change range.
It should be further noted that, the above-mentioned quadrant to be selected may be a quadrant corresponding to reduced power consumption, after the image display power consumption is obtained, the quadrant with reduced power consumption may be selected therefrom, for convenience of understanding, fig. 16 may be described with reference to fig. 16, where fig. 16 is an image taste and a power consumption diagram corresponding to MSSIM partition in the display method of the present invention, and as shown in fig. 16, the power consumption corresponding to a and D quadrants is respectively the highest and higher (i.e. the image power consumption corresponding to the area a and the area D in fig. 16 is respectively the highest and higher), and then quadrants B and C are selected as the above-mentioned quadrant to be selected,
it can be understood that the above image display taste may be a parameter that changes correspondingly, for example, the brightness change range of the quadrant a is 0-1, and the corresponding saturation change percentage range is 0-1, and the corresponding image display taste is: high brightness and high saturation (namely, the characteristics of the image in fig. 16 are that the high brightness and the high saturation) and the brightness change percentage range of the quadrant B is-1~0, and the corresponding saturation change percentage range is 0-1, the corresponding image display taste is as follows: low brightness and high saturation (i.e. the characteristics of the image in fig. 16 are low brightness and high saturation), the brightness change percentage range of the C quadrant is-1~0, the corresponding saturation change percentage range is-1~0, and the corresponding image display taste is: low brightness and low saturation (i.e. the characteristics of the image in fig. 16 are low brightness and low saturation), the brightness change percentage range of the D quadrant is 0-1, the corresponding saturation change percentage range is-1~0, and the corresponding image display taste is: high brightness, low saturation (i.e., the taste characteristics of the image in fig. 16: high brightness, low saturation).
It should be understood that, according to the image display tastes corresponding to the B quadrant and the C quadrant, in order to reduce the power consumption and have a small influence on the image quality, the B quadrant may be used as the target quadrant, and the luminance variation range corresponding to the B quadrant may be used as the preset luminance variation range, and the corresponding saturation variation range may be used as the preset saturation variation range, so in this embodiment, the preset luminance variation range is-100% -0, and the preset saturation variation range is 0% -100%.
Therefore, in this embodiment, based on the above example, when iterating, the saturation parameter change percentage may be fixed at first, then the value corresponding to S is Y, the luminance parameter change percentage is sequentially according to-100%, -95%, -90%,. 0, that is, the value corresponding to V is sequentially-100% Z, -95% Z, -90% Z … … Z, if the process cannot satisfy 0.9 < p.ltoreq.1, the saturation parameter change percentage is increased by 5%, at this time, the value corresponding to S is 5% Y, the luminance parameter change percentage is sequentially again according to-100%, -95%, -90% … … 0, and so on, until 0.9 < p.ltoreq.1, then the luminance parameter change percentage is converted into RGB component parameters, then a low-power consumption pixel image is generated, a corresponding driving current parameter is obtained, and displayed, if the RGB component parameters corresponding to the original pixel image are (47, 114, 185), the corresponding driving current parameters are (110.6, 178.8, 507.8 nA), after the above process cannot satisfy 0.9 < p.ltoreq.1, the driving current is reduced by 5% and at this time (RGB component is reduced by 5.183), and the driving current is reduced by 5.180 nA, and the driving current is reduced by 4.180.183 nA after iterating.
According to the embodiment, the quadrant to be selected can be determined from the drawn structural similarity quadrant graph through image display power consumption, then the target quadrant is selected based on the image display taste corresponding to the quadrant to be selected, the brightness change range corresponding to the target quadrant is used as the preset brightness change range, the saturation change range corresponding to the target quadrant is used as the preset saturation change range, further iteration can be carried out in the preset brightness change range of-100% -0 and the preset saturation change range of 0% -100%, and the obtained low-power pixel image is low in power consumption and small in image quality influence.
In addition, the embodiment of the invention also provides a storage medium, wherein a display screen display program is stored on the storage medium, and the display screen display program realizes the display screen display method when being executed by a processor.
Further, referring to fig. 17, fig. 17 is a block diagram showing the structure of a first embodiment of the display device of the present invention; the embodiment of the invention also provides a display device of the display screen, which comprises: a parameter extraction module 171, a similarity determination module 172, and an image display module 173;
the parameter extraction module 171 is configured to extract, when an image to be displayed is received, a color component parameter corresponding to an original pixel image in the image to be displayed, and iterate the color component parameter;
The similarity determining module 172 is configured to generate a low-power pixel image according to the iterated color component parameters, and determine a structural similarity between the low-power pixel image and the original pixel image;
the image display module 173 is configured to display the low-power-consumption pixel image when the structural similarity is within a preset similarity range.
According to the device, when the image to be displayed is received, RGB component parameters under the RGB color space corresponding to each original pixel image in the image to be displayed are extracted, the RGB component parameters are converted into HSV component parameters under the HSV color space, iteration is carried out on the HSV component parameters, after each iteration, the iterated HSV component parameters are converted into iterated RGB component parameters, then a low-power-consumption pixel image is generated according to the iterated RGB component parameters, the structural similarity between the low-power-consumption pixel image and the original pixel image is determined, whether the structural similarity is in a range of 0.9 < P < 1 or not is judged, if the structural similarity is not in a range, the image quality influence is larger, iteration is further continued, if the structural similarity is not in a range, the image quality influence is not large, driving current parameters corresponding to the iterated RGB component parameters are determined according to a preset mapping relation table, the low-power-consumption pixel image is displayed according to the driving current parameters, the influence degree of reducing power consumption on image quality is small, and user experience is improved.
As an embodiment, the parameter extraction module 171 is further configured to extract RGB component parameters corresponding to an original pixel image in the image to be displayed; converting the RGB component parameters into HSV component parameters, and iterating the HSV component parameters;
the similarity determining module 172 is further configured to convert the iterated HSV component parameters to obtain iterated RGB component parameters, and generate a low-power pixel image according to the iterated RGB component parameters.
As an embodiment, the image display module 173 is further configured to determine a driving current parameter corresponding to the iterated color component parameter based on a preset mapping relation table; and displaying the low-power-consumption pixel image according to the driving current parameter.
Based on the first embodiment of the display device of the display screen of the present invention, a second embodiment of the display device of the present invention is presented.
In this embodiment, the parameter extraction module 171 is further configured to determine a brightness change percentage set and a saturation change percentage set according to a preset change step, a preset brightness change range, and a preset saturation change range; iterating the HSV component parameters based on the set of brightness variation percentages and the set of saturation variation ranges percentages.
As one embodiment, the parameter extraction module 171 is further configured to iterate a brightness parameter of the HSV component parameters based on the brightness change percentage set; executing the steps of generating a low-power-consumption pixel image according to the iterated color component parameters and determining the structural similarity between the low-power-consumption pixel image and the original pixel image; and iterating the saturation parameters in the HSV component parameters based on the saturation change percentage set when the structural similarity is not in the preset similarity range.
Based on the above embodiments of the display device according to the present invention, a third embodiment of the display device according to the present invention is presented.
In this embodiment, the parameter extraction module 171 is further configured to adjust the HSV component parameter based on an initial brightness variation range and an initial saturation variation range; generating a corresponding adjusted pixel image according to each adjusted HSV component parameter, and drawing a structural similarity quadrant graph according to each adjusted pixel image and the original pixel image; and determining the image display power consumption corresponding to each adjusted pixel image, and determining a preset brightness change range and a preset saturation change range according to the image display power consumption and the structural similarity quadrant graph.
As an implementation manner, the parameter extraction module 171 is further configured to determine a quadrant to be selected from the structural similarity quadrant graph according to the image display power consumption; selecting a target quadrant based on the image display taste corresponding to each quadrant to be selected; and taking the brightness change range corresponding to the target quadrant as a preset brightness change range, and taking the saturation range corresponding to the target quadrant as a preset saturation change range.
Other embodiments or specific implementation manners of the display device of the present invention may refer to the above method embodiments, and are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of embodiments, it will be clear to a person skilled in the art that the above embodiment method may be implemented by means of software plus a necessary general hardware platform, but may of course also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. read only memory mirror (Read Only Memory image, ROM)/random access memory (Random Access Memory, RAM), magnetic disk, optical disk), comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (7)
1. A display method of a display screen, the method comprising the steps of:
when an image to be displayed is received, extracting color component parameters corresponding to an original pixel image in the image to be displayed, and iterating the color component parameters;
generating a low-power-consumption pixel image according to the iterated color component parameters, and determining the structural similarity between the low-power-consumption pixel image and the original pixel image;
when the structural similarity is within a preset similarity range, displaying the low-power-consumption pixel image;
the step of extracting the color component parameters corresponding to the original pixel image in the image to be displayed and iterating the color component parameters includes:
extracting RGB component parameters corresponding to an original pixel image in the image to be displayed;
converting the RGB component parameters into HSV component parameters, and iterating the HSV component parameters;
correspondingly, the step of generating the low-power-consumption pixel image according to the iterated color component parameters comprises the following steps:
converting the iterated HSV component parameters to obtain iterated RGB component parameters, and generating a low-power-consumption pixel image according to the iterated RGB component parameters;
The step of iterating the HSV component parameters includes:
determining a brightness change percentage set and a saturation change percentage set according to a preset change step length, a preset brightness change range and a preset saturation change range;
iterating the HSV component parameter based on the brightness change percentage set and the saturation change range percentage set;
before the step of determining the brightness change percentage set and the saturation change percentage set according to the preset change step length, the preset brightness change range and the preset saturation change range, the method further comprises the following steps:
adjusting the HSV component parameters based on an initial brightness variation range and an initial saturation variation range;
generating a corresponding adjusted pixel image according to each adjusted HSV component parameter, and drawing a structural similarity quadrant graph according to each adjusted pixel image and the original pixel image;
and determining the image display power consumption corresponding to each adjusted pixel image, and determining a preset brightness change range and a preset saturation change range according to the image display power consumption and the structural similarity quadrant graph.
2. The display screen display method of claim 1, wherein the iterating the HSV component parameter based on the set of brightness variation percentages and the set of saturation variation range percentages comprises:
Iterating a brightness parameter of the HSV component parameters based on the brightness variation percentage set;
executing the steps of generating a low-power-consumption pixel image according to the iterated color component parameters and determining the structural similarity between the low-power-consumption pixel image and the original pixel image;
and iterating the saturation parameters in the HSV component parameters based on the saturation change percentage set when the structural similarity is not in the preset similarity range.
3. The method of claim 2, wherein the step of determining a preset brightness variation range and a preset saturation variation range according to the image display power consumption and the structural similarity quadrant graph comprises:
determining a quadrant to be selected from the structural similarity quadrant graph according to the image display power consumption;
selecting a target quadrant based on the image display taste corresponding to each quadrant to be selected;
and taking the brightness change range corresponding to the target quadrant as a preset brightness change range, and taking the saturation range corresponding to the target quadrant as a preset saturation change range.
4. The display method of claim 1, wherein the step of displaying the low power consumption pixel image comprises:
Determining driving current parameters corresponding to the iterated color component parameters based on a preset mapping relation table;
and displaying the low-power-consumption pixel image according to the driving current parameter.
5. A display screen display device, the display screen display device comprising: a memory, a processor, and a display program stored on the memory and executable on the processor, which when executed by the processor, implements the display method of any one of claims 1 to 4.
6. A storage medium having stored thereon a display program which, when executed by a processor, implements the display method of any one of claims 1 to 4.
7. A display screen display device, characterized in that the display screen display device comprises: the device comprises a parameter extraction module, a similarity determination module and an image display module;
the parameter extraction module is used for extracting color component parameters corresponding to original pixel images in the images to be displayed when the images to be displayed are received, and iterating the color component parameters;
The similarity determining module is used for generating a low-power-consumption pixel image according to the iterated color component parameters and determining the structural similarity between the low-power-consumption pixel image and the original pixel image;
the image display module is used for displaying the low-power-consumption pixel image when the structural similarity is within a preset similarity range;
the parameter extraction module is further used for extracting RGB component parameters corresponding to the original pixel image in the image to be displayed; converting the RGB component parameters into HSV component parameters, and iterating the HSV component parameters;
the similarity determining module is further used for converting the iterated HSV component parameters to obtain iterated RGB component parameters, and generating a low-power-consumption pixel image according to the iterated RGB component parameters;
the parameter extraction module is further used for determining a brightness change percentage set and a saturation change percentage set according to a preset change step length, a preset brightness change range and a preset saturation change range; iterating the HSV component parameter based on the brightness change percentage set and the saturation change range percentage set;
The parameter extraction module is further used for adjusting the HSV component parameters based on the initial brightness change range and the initial saturation change range; generating a corresponding adjusted pixel image according to each adjusted HSV component parameter, and drawing a structural similarity quadrant graph according to each adjusted pixel image and the original pixel image; and determining the image display power consumption corresponding to each adjusted pixel image, and determining a preset brightness change range and a preset saturation change range according to the image display power consumption and the structural similarity quadrant graph.
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