CN110853560A - Display correction method, device, equipment and storage medium - Google Patents
Display correction method, device, equipment and storage medium Download PDFInfo
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- 238000004364 calculation method Methods 0.000 claims description 5
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
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- G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
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Abstract
The embodiment of the invention discloses a display correction method, which comprises the following steps: acquiring a first color parameter value of a first display screen at the current moment; acquiring a second color parameter value of a second display screen at the current moment; determining an adjustment parameter value according to the ratio of the first color parameter value to the second color parameter value; adjusting the second color parameter value according to the adjusting parameter value; and controlling the display color of the second display screen according to the adjusted second color parameter value so as to maintain the display color difference of the first display screen and the second display screen to the same color within a preset range. The embodiment of the invention also discloses a display correction device, equipment and a storage medium.
Description
Technical Field
The invention relates to the technical field of multi-screen display, in particular to a display correction method, a display correction device, display correction equipment and a storage medium.
Background
It has been a development direction of mobile terminals to provide users with as large a screen display area as possible, and the existing technology may adopt a multi-screen display technology to increase the screen display area. From the viewpoint of user use and power saving, not all display screens are required to display contents at any time of work. In a multi-screen display, a user may perceive that the same color display colors of different screens are poorly colored, resulting in a poor user experience.
Disclosure of Invention
The embodiment of the invention provides a display correction method, a display correction device, display correction equipment and a storage medium.
The technical scheme of the invention is realized as follows:
a display correction method, the method comprising:
acquiring a first color parameter value of a first display screen at the current moment;
acquiring a second color parameter value of a second display screen at the current moment;
determining an adjustment parameter value according to the ratio of the first color parameter value to the second color parameter value;
adjusting the second color parameter value according to the adjusting parameter value;
and controlling the display color of the second display screen according to the adjusted second color parameter value so as to maintain the display color difference of the first display screen and the second display screen to the same color within a preset range.
In the foregoing solution, the obtaining a first color parameter value of a first display screen at a current time includes:
receiving a first color parameter value of the first display screen at the current moment from a database;
or estimating the first color parameter value at the current moment according to the corresponding relation between the service time of the first display screen and the color parameter value provided by the database.
In the foregoing solution, the obtaining a second color parameter value of a second display screen at the current time includes:
receiving a second color parameter value of the second display screen at the current moment from a database;
or estimating the second color parameter value at the current moment according to the corresponding relation between the service time of the second display screen and the color parameter value provided by the database.
In the foregoing solution, the determining an adjustment parameter value according to the ratio of the first color parameter value to the second color parameter value includes:
according to
Calculating the adjustment parameter value;
wherein the ax is the adjustment parameter value, the ax is the adjustment parameter valueIs the first color parameter value, the
For the second color parameter value before the adjustment, the
And the color parameter value is the color parameter value of the first display screen at the initial moment.
In the above scheme, the method further comprises:
determining the use duration of at least two alternative display screens;
and selecting the alternative display screen with the largest service time from at least two alternative display screens as the first display screen, and taking the rest alternative display screens as the second display screen.
In the above scheme, the method further comprises:
determining the use duration of at least two alternative display screens;
and selecting the alternative display screen with the minimum use time from at least two alternative display screens as the first display screen, and using the rest alternative display screens as the second display screen.
A display correction apparatus, the apparatus comprising:
the first obtaining module is used for obtaining a first color parameter value of the first display screen at the current moment; acquiring a second color parameter value of a second display screen at the current moment;
the calculation module is used for determining an adjustment parameter value according to the ratio of the first color parameter value to the second color parameter value;
the processing module is used for adjusting the second color parameter value according to the adjusting parameter value; and controlling the display color of the second display screen according to the adjusted second color parameter value so as to maintain the display color difference of the first display screen and the second display screen to the same color within a preset range.
In the above scheme, the first obtaining module is further configured to receive a first color parameter value of the first display screen at the current time from a database;
or estimating the first color parameter value at the current moment according to the corresponding relation between the service time of the first display screen and the color parameter value provided by the database.
In the above scheme, the first obtaining module is further configured to receive a second color parameter value of the second display screen at the current time from a database;
or estimating the second color parameter value at the current moment according to the corresponding relation between the service time of the second display screen and the color parameter value provided by the database.
In the above solution, the calculating module is further configured to calculate the data according toCalculating the adjustment parameter value;
wherein the ax is the adjustment parameter value, the ax is the adjustment parameter value
Is the first color parameter value, the
For the second color parameter value before the adjustment, theAnd the color parameter value is the color parameter value of the first display screen at the initial moment.
In the above scheme, the apparatus further comprises: a second acquisition module;
the second acquisition module is used for determining the service durations of at least two alternative display screens;
and selecting the alternative display screen with the largest service time from at least two alternative display screens as the first display screen, and taking the rest alternative display screens as the second display screen.
In the above scheme, the second obtaining module is further configured to determine a duration of use of at least two alternative display screens;
and selecting the alternative display screen with the minimum use time from at least two alternative display screens as the first display screen, and using the rest alternative display screens as the second display screen.
An embodiment of the present invention further provides a display correction apparatus, including: a processor and a memory for storing a computer program capable of running on the processor; when the processor is used for running the computer program, the display correction method provided by any embodiment of the invention is realized.
The embodiment of the invention also provides a computer storage medium, wherein the storage medium is provided with computer executable instructions, and the computer executable instructions are executed by a processor to realize the display correction method provided by any embodiment of the invention.
According to the display correction processing method, the display correction processing device, the display correction processing equipment and the storage medium, the first color parameter value of the first display screen at the current moment is obtained, and the second color parameter value of the second display screen at the current moment is obtained; and determining an adjustment parameter value according to the ratio of the first color parameter value to the second color parameter value, and adjusting the second color parameter value according to the adjustment parameter value. Therefore, when the condition that the display colors of the same color are inconsistent due to different aging degrees of a plurality of display screens (two or more display screens) caused by different used time lengths of the display screens in one display screen area and the like is presented, the system can select one of the display screens as a reference screen and the rest of the display screens as the display screens needing to be corrected, so that the display screens needing to be corrected can adjust the color parameter values of the display colors of the display screens based on the reference screen. And controlling the display color of the second display screen by using the adjusted second color parameter value so as to maintain the display color of the first display screen and the display color of the second display screen in a preset range for the same color. Therefore, the display color error of the display screen needing to be corrected and the reference screen to the same color is overcome, namely, the display colors of the display screens to the same color in the same display screen area are basically consistent, so that a user cannot feel the problem of color difference in the same screen display area, and the experience satisfaction degree of the user is improved.
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FIG. 1 is a diagram illustrating a hardware configuration of a display calibration apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a display calibration apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a display calibration apparatus according to another embodiment of the present invention;
FIG. 4 is a flowchart illustrating a first embodiment of a display calibration method according to the present invention;
FIG. 5 is a schematic diagram of a Gamma curve according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating a second embodiment of a display correction method according to the present invention;
FIG. 7 is a flowchart illustrating a third embodiment of a display correction method according to the present invention;
FIG. 8 is a flowchart illustrating a pre-processing method for display calibration according to an embodiment of the present invention;
FIG. 9 is a flowchart illustrating a display calibration method according to an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a display correction processing apparatus according to an embodiment of the present invention.
Detailed Description
The display correction method provided by the embodiment of the invention is mainly applied to the technical field of multi-screen display, and particularly can be applied to command and scheduling of public security, military, railways, traffic, aerospace, satellites and the like; the method can be applied to large-screen splicing drawing or video playing such as graphic image editing, three-dimensional animation, multimedia design and the like; the method can be applied to data display of securities trading, futures, bank information and the like.
The display correction method provided by the embodiment of the invention can be applied to display correction equipment, and as shown in fig. 1, the display correction equipment comprises: a processor 11 and a memory 12 for storing a computer program capable of running on the processor; when the processor 11 is used to run the computer program, any display correction method provided by the embodiment of the present invention is implemented.
It is to be understood that the display correction apparatus may be a terminal apparatus that performs the display correction method, and the terminal apparatus may be a computer or other electronic apparatus.
It is to be understood that the display correction apparatus may further include: a display correction apparatus that performs a multi-screen display function, as shown in fig. 2, includes: the display device comprises an image generation module, a display control chip IC and a display screen body. In an embodiment, the display correction apparatus comprises a plurality of display screens, the plurality of display screens characterizing at least two display screens; wherein, a display control chip corresponds a display screen of control display screen body. The image generation module is responsible for synthesizing image pixel data matched with the physical size of the display screen according to the requirement of a User Interface (UI), and providing the generated image pixel data to the display control chip IC through standard interfaces such as a Mobile Industry Processor Interface (MIPI), a Serial Peripheral Interface (SPI), a High Definition Multimedia Interface (HDMI) and the like; the display control chip drives the display screen to display contents. And the display control parameter is also set to the control chip through at least one interface of the MIPI, the SPI, the HDMI and the like, so that the display control chip can drive the display screen to normally display the content.
As shown in fig. 3, in another embodiment, a schematic structural diagram of another display correction apparatus is provided, the display correction apparatus further comprising: a database module; the database module records data indicating the aging performance of each display screen and the time of each display screen used; the display correction device is a device comprising 3 display screens. The database module corresponds to a memory, which may be used to store data.
The image generation module provides the data of the one-time use duration of each display screen of the 3 display screens for the database module, and the database module updates the total use duration of the corresponding display screen in the 3 display screens according to the one-time use duration. When a display task is executed, if chromatic aberration compensation correction is needed, the total service time of each display screen is obtained from the database module; determining one of the display screens as a reference display screen (hereinafter referred to as a reference screen for short) according to the total use duration of each of the 3 display screens, wherein the reference screen does not need to be corrected; and adjusting the color parameter values of the other 2 display screens to enable the display color effects of the other 2 display screens to be flush with the display color effect of the reference screen, so that the color of the same color displayed by the 3 display screens reduces the color difference phenomenon which can be perceived by a user.
It can be understood that, since the display correction device does not require all the display screens to display the content at any working time, after the display correction device is used for a certain time, the used time of each display screen may not be consistent, so that the aging degree of each display screen is not consistent, and therefore, obvious color difference exists when the content is displayed on each display screen. The method comprises the steps of determining an adjustment parameter value according to a ratio of a first color parameter value to a second color parameter value at the current moment of a first display screen and obtaining the second color parameter value at the current moment of a second display screen, and adjusting the second color parameter value according to the adjustment parameter value, so that the system can select one display screen from a plurality of display screens as a reference screen, the rest display screens use the reference screen as a correction basis, the color parameter values of the rest display screens are adjusted, and the display colors of one color are maintained in a preset range by the rest display screens and the reference screen through the adjusted color parameter values, so that the problem of large color difference of the same color displayed by the plurality of display screens is solved.
As shown in fig. 4, an embodiment of the present invention provides a display correction method, which includes the following steps.
optionally, the display correction device obtains a first color parameter value of the first display screen at the current time.
It should be noted that, in a physical device for displaying an image, there is a Gamma effect on a color reduction display; the Gamma effect means that, for example, when a display color is specified in a position in a physical device in one of three primary colors (R, G, B), the value of the displayed color actually measured by an instrument is not the original (R, G, B) but is differentiated (R ', G ', B '); the Gamma effect is the difference between the three primary colors. Wherein, the R is red, the R ' is red which is different from the original R, the G is green, the G ' is green which is different from the original G, the B is blue, and the B ' is blue which is different from the original B.
It should be noted that the Gamma effect can be expressed as a Gamma curve, for example, expressed as an exponential function: y is xaThe curve represented; as shown in fig. 5, a Gamma curve with a ═ 2.2 is proposed; the horizontal axis is an x axis, the vertical axis is a y axis, and a is an exponential function of a Gamma curve. Where x represents the input chromaticity value and y represents the value measured after actual display in a physical device. For example, for an 8-bit color channel, x is R/255 and y is R'/255, the setting result is similar for the blue and green primaries to the red primary. As can be seen from the formula representing the Gamma curve, if the primary color input value is 255 and x is 1, the output value is still 255 regardless of the change of the index a; while for input values less than 255, the output value decreases non-linearly. For a 16-bit color channel, x R/1023, y R'/(2)16-1＝1023)。
Here, the a may be characterized as a color parameter value.
It will be appreciated that the display will age after use. For example, in the case of LCD, one reason for aging is that when the display screen is in an operating state, the electrodes in the LCD generate an electric field, and the liquid crystal molecules in the display screen deflect accordingly, and when the display screen is operated for a period of time, the deflection of the liquid crystal molecules cannot reach the original angle, the display screen is aged. Thus, when the display screen displays images, the user can feel color difference. As the service time of the display screen is increased, the corresponding color parameter value will be changed continuously, so that the color difference perceived by the user is larger and larger. Compared with the display screen which is just put into use, the same (R, G, B) is input into the exponential formula of the Gamma curve along with the continuous extension of the use time, and the actually output (R ', G ', B ') will continuously change.
Further, the acquiring a first parameter value of the first display screen at the current moment includes: receiving a first color parameter value of the first display screen at the current moment from a database; or estimating the first color parameter value at the current moment according to the corresponding relation between the service time of the first display screen and the color parameter value provided by the database.
Specifically, the display correction device may directly read the first color parameter value corresponding to the current time according to the correspondence between the usage duration of the first display screen and the color parameter value stored in the local database.
And the display correction equipment estimates the first color parameter value at the current moment according to the corresponding relation between the service time of the first display screen and the color parameter value provided by the database. For example, the image correction device reads the corresponding relationship from the database, and obtains the first color difference parameter value according to the corresponding relationship and the used duration of the screen in combination with the corresponding relationship.
For example, the current time of the first display screen, that is, the used time is 200 hours, and the first color parameter value is obtained according to the color parameter value corresponding to the 200 hours stored in the database as 2.2
Is 2.2.
As another example, the current time of day, i.e., the elapsed time of the first display screen, is 280 hours, and no pair is found in the databaseThe corresponding first color parameter value. Which can be based on the color parameter value stored in the database at 200 hours
2.2, and the color parameter value corresponding to the 300-hour time stored in the database
At 2.5, a first color parameter value is estimated
Is that
And
the value in between may specifically be 2.24.
103, acquiring a second color parameter value of the second display screen at the current moment;
optionally, the display correction device obtains a second color parameter value of the second display screen at the current time.
Further, the obtaining a second color parameter value of the second display screen at the current time includes:
receiving a second color parameter value of the second display screen at the current moment from a database;
or estimating the second color parameter value at the current moment according to the corresponding relation between the service time of the second display screen and the color parameter value provided by the database.
Specifically, the display correction device may directly read the second color parameter value corresponding to the current time according to the correspondence between the use duration of the second display screen and the color parameter value stored in the local database; or the display correction equipment estimates the second color parameter value at the current moment according to the corresponding relation between the service time of the second display screen and the color parameter value provided by the database.
For example, the second display screenThe current time, that is, the used time is 300 hours, the first color parameter value is obtained according to the color parameter value corresponding to the 300 hours stored in the database as 2.4
Is 2.4.
For another example, the current time of the second display, i.e. the used time period, is 350 hours, which does not find the corresponding second color parameter value in the database. Which can be based on the color parameter values stored in the database at the moment of 300 hours2.4, and the color parameter value corresponding to the 400-hour time stored in the database
At 2.6, the second color parameter value is estimated
Is that
And
the value in between may specifically be 2.5.
optionally, the display correction device determines an adjustment parameter value according to a ratio of the first color parameter value and the second color parameter value.
Further, the determining an adjustment parameter value according to the ratio of the first color parameter value and the second color parameter value includes:
according to
Calculating the adjustment parameter value;
wherein the ax is the adjustment parameter value, the ax is the adjustment parameter value
Is the first color parameter value, the
For the second color parameter value before the adjustment, the
And the color parameter value is the color parameter value of the first display screen at the initial moment.
In one embodiment, the display correction device employs two different display screens, specifically: the display device comprises a first display screen and a second display screen. The color parameter value of the first display screen at the initial moment is
Along with the increase of the service time of the first display screen, the first color parameter value of the first display screen at the current moment is
At this time, the process of the present invention,
and
different; the color parameter value of the second display screen at the initial moment is
Along with the increase of the service time of the second display screen, the second color parameter value of the second display screen at the current moment is
For the first display screen and the second display screen, the same red primary color value R is adopted; the first display screen is used as a reference screen for displaying a control chipThe a value of the Gamma curve is always
The red chromatic value displayed at the current time
If the second display screen is used as the display screen to be corrected, a new Gamma curve a value needs to be set in the display control chip for color compensation; if the display effect of the second display screen is required to be the same as that of the first display screen, thenThus, the adjustment parameter value of the second display screen based on the first display screen for adjusting the color compensation is obtained as
In another embodiment, based on the above embodiment, when
When the aging degree of the first display screen is the same as that of the second display screen, the adjustment parameter value is
The adjustment parameter value of the second display screen is set based on the color parameter value corresponding to the initial time of the first display screen.
In another embodiment, based on the above embodiment, when
The first display screen is characterized to be a brand new display screen, and the adjustment parameter value is obtained
The second display screen should also be restored to the setting of the completely new display screen, and the adjustment parameter value of the second display screen is based onThe color parameter value at the initial time of the second display screen.
In this embodiment, as the difference between the aging degrees of the first display screen and the second display screen is larger, the color parameter value of the second display screen at the initial time point, which is deviated from the adjustment parameter value of the first display screen, is also larger.
optionally, the display correction device adjusts the second color parameter value according to the adjustment parameter value; specifically, the display correction apparatus sets the adjustment parameter value, or a color parameter value close to the adjustment parameter value, to the current second color parameter value in the display control chip replacing the second display screen as the adjusted second color parameter value.
Optionally, the adjustment parameter value may also be: and adjusting the current second color parameter value of the second display screen according to the adjustment value of the adjustment value required to be adjusted, so as to obtain the adjusted second color parameter value.
And step 109, controlling the display color of the second display screen according to the adjusted second color parameter value, so that the display color difference of the first display screen and the second display screen to the same color is maintained within a preset range.
Optionally, the display correction device controls the display color of the display content of the second display screen according to the adjusted second color parameter value set in the control chip, so that the display color of the same color of the first display screen and the second display screen is maintained within a preset range.
Here, the display colors of the first display panel and the second display panel for the same color are maintained within a preset range, which may be specifically expressed as, for example, for a red primary color, the display colors of the first display panel and the second display panel for the red primary color are substantially non-color-difference, and the colors of the red primary color are approximately the same.
It should be noted that, in this embodiment, the first display screen is used as the reference screen, and the second display screen is used as the display screen corrected based on the reference screen, so that the color difference between multiple display screens (two or more display screens) in the same display screen area can be adjusted, the display colors of the multiple display screens to the same color are maintained to be the same, the display color difference to the same color in the same display screen due to the aging condition caused by different use times of the multiple display screens is avoided, and the user has better viewing experience.
As shown in fig. 6, the method further comprises:
1001, determining the service durations of at least two alternative display screens;
and selecting the alternative display screen with the largest service time from at least two alternative display screens as the first display screen, and taking the rest alternative display screens as the second display screen.
Optionally, the display correction device determines the length of time that at least two alternative display screens have been used; the display correction device selects the alternative display screen with the maximum used time length from at least two alternative display screens as the first display screen; the first display screen is a reference screen; taking the rest alternative display screens as the second display screen; the second display screen is a display screen needing to be corrected; wherein the alternative display screens are characterized as display screens in the display correction device.
In one embodiment, the display calibration device has 3 display screens, named a1, a2, A3; wherein the time length that the A1 has been used is T1, the time length that the A2 has been used is T2, and the time length that the A3 has been used is T3; wherein T1> T2> T3; the A1 th screen is used as the first display screen, and the A2 and A3 are used as the second display screen.
It should be noted that, in this embodiment, the candidate display screen with the longest used time is taken as the first display screen, which means that the display screen with more lifetime consumption and relatively poor display effect is selected as the reference screen, so that the other candidate display screens can perform color compensation based on the reference screen, and thus, the multiple display screens in the same display screen can maintain the display color difference of the same color within the predetermined range.
As shown in fig. 7, the method further comprises:
and selecting the alternative display screen with the minimum use time from at least two alternative display screens as the first display screen, and using the rest alternative display screens as the second display screen.
In another embodiment, the display correction apparatus has 4 display screens, named B1, B2, B3, B4, respectively; wherein the time length that the B1 has been used is T1, the time length that the B2 has been used is T2, the time length that the B3 has been used is T3, and the time length that the B4 has been used is T4; wherein T2> T4> T1> T3; the first display screen is the B3 th display screen, and the second display screen is the B1, B2 and B4.
It should be noted that, in this embodiment, the candidate display screen with the shortest used time duration is used as the first display screen, which means that a display screen with less life consumption and relatively better display effect is selected as the reference screen, so that the other candidate display screens can perform color compensation based on the reference screen, and thus, the multiple display screens in the same display screen can maintain the display color difference of the same color within the predetermined range.
It should be noted that, in other embodiments, an alternative display screen whose used time length is not the longest or the shortest may also be selected as the first display screen, and any one of the alternative display screens may be selected as the first display screen; and the rest alternative display screens are used as the second display screens; and the second display screen takes the first display screen as a reference screen to compensate the colors of the rest alternative display screens.
It should be noted that, in other embodiments, the candidate display screen with the maximum or minimum color parameter value at the current time of the candidate display screen may also be selected as the first display screen; and the rest alternative display screens are used as the second display screens; and the second display screen takes the first display screen as a reference screen to compensate the colors of the rest alternative display screens.
As shown in fig. 8, an embodiment of the present invention provides a preprocessing method for display correction, where the method is mainly used to obtain a use duration of an alternative display screen of a display correction device and a color parameter value corresponding to the use duration; the method can be applied to an electronic device, and comprises the following steps:
step S101: estimating the total use time T of an alternative display screen A1;
optionally, the electronic device selects one alternative display screen a1 from the alternative display screens of the display correction device, and pre-estimates the total usage time T of the display correction device a 1.
Step S102: detecting and recording the color parameter value of A1 at the initial moment;
optionally, the electronic device detects that the color parameter value of the A1 at the initial moment is a0Recording the corresponding relation between the use duration and the color parameter value into a two-dimensional array form (0, a)0) (ii) a The initial time of the a1 is the time when the screen is displayed for the first time, that is, the a1 is a new screen.
Step S103: detecting and recording the color parameter value of A1 by taking the service time t of A1 as an interval;
optionally, the electronic device presets a T, where the T is less than the total usage time T of a 1.
The electronic equipment detects that the color parameter value of the A1 is a at the moment that the A1 is used for 1 × t1And recorded as (1 x t, a)1) (ii) a Detecting the color parameter value of A1 as a at the moment when the A1 is used for 2 × t2And recorded as (2 x t, a)2) (ii) a Detecting the color parameter value of A1 as a at the moment that the A1 is used for 3 × t3And recorded as (3 x t, a)3) (ii) a And so on; detecting the color parameter value of A1 as a at the moment that the A1 is used for time length i x ti(ii) a Wherein i is a natural number.
Step S104: judging whether the i x T reaches the total use time T of A1; if so, finishing the detection of A1, and storing the data into a database; if not, go to step S103;
optionally, the electronic device determines whether 1 × T is greater than the total usage time T of a1, and if not, returns to step S003; if yes, the detection operation of a1 is ended, and the corresponding relation between the use time length of a1 and the color parameter value Gamma _ T { (0, a)0)，(1*t，a1)，(2*t，a2)，(3*t，a3)，……，(i*t，ai) It is saved to a database.
Step S105: judging whether an alternative display screen with a model different from that of A1 exists; if yes, executing detection operation on the alternative display screens of different models of the A1; if not, the detection process is ended.
Optionally, the electronic device determines whether a display screen of a model different from the model of a1 exists in the remaining alternative display screens of the alternative display screens in the display correction device; if the color parameter value exists, detecting the use duration and the corresponding color parameter value of the alternative display screen different from the A1 model; if not, the detection process is ended.
The technical solution of the present invention is further described in detail by a specific embodiment. As shown in fig. 9, a display correction method is provided; the method is directed to a case where a display correction apparatus includes two display screens, and specifically, the display correction apparatus includes: a display screen 1 and a display screen 2. Selecting a display screen with less service life consumption as a reference screen; the method comprises the following steps.
Step S201: acquiring the used time t1 of the display screen 1; inquiring or deducing the Gamma parameter value of the display screen 1 at T1 according to the Gamma _ T data of the display screen 1
Here, the Gamma _ T data is a data table in the database, in which the use duration of the display screen and the corresponding Gamma parameter value are recorded; the Gamma _ T data may be acquired by the preprocessing method of display correction in the above example; wherein, the Gamma parameter value can be regarded as the color parameter value in the above embodiment.
Optionally, the display correction device obtains the used time t1 of the display screen 1; and inquiring Gamma _ T data of the display screen 1 in a database according to the T1, if a Gamma parameter value corresponding to the T1 exists in the Gamma _ T data of the display screen 1, directly inquiring and obtaining the Gamma parameter value at the T1If the Gamma parameter value corresponding to T1 does not exist in the Gamma _ T data of the display screen 1, the Gamma parameter value corresponding to T1 is estimated according to the Gamma parameter values corresponding to two moments which are larger than T1 and smaller than T1
For example, t1 is 220 hours. Gamma _ T data of the display screen 1 records a Gamma parameter value corresponding to 200 hours
Records the Gamma parameter value corresponding to 300 hours
However, the Gamma _ T data of the display screen 1 does not record the Gamma parameter value corresponding to 220 hours, so that the Gamma _ T data can be obtained according to the requirement
And
estimating the Gamma parameter value corresponding to the display screen when the display screen is used for 220 hours
Step S202: acquiring the used time t2 of the display screen 2; inquiring or deducing the Gamma parameter value of the display screen 2 at T2 according to the Gamma _ T data of the display screen 2
Optionally, the display correction device obtains the used time t2 of the display screen 2; and inquiring Gamma _ T data of the display screen 2 in a database according to the T2, if a Gamma parameter value corresponding to the T2 exists in the Gamma _ T data of the display screen 2, directly inquiring and obtaining the Gamma parameter value at the T2
If the Gamma parameter value corresponding to T2 does not exist in the Gamma _ T data of the display screen 1, the Gamma parameter value corresponding to T2 is estimated according to the Gamma parameter values corresponding to two moments which are larger than T2 and smaller than T2
Wherein the timing larger than T2 is a timing larger than T2 closest to T2 present in Gamma _ T data; the time smaller than T2 is the time closest to T2 and smaller than T2 that exists in the Gamma _ T data.
Step S203: if it is
Adjusting the display effect of the display screen 1; calculating the adjusted Gamma parameter value of the display screen 1
Optionally, the display correction device determinesAnd
size of (1), if
The display color effect of the display screen 1 is adjusted such that the display color effect looks flush towards the display screen 2. Through calculation, the adjusted Gamma parameter value of the display screen 1 is obtained as follows:
step S204: selecting a value ax' closest to ax according to the parameters of the Gamma curve supported by the display control chip 1 of the display screen 1; setting ax' into the display control chip 1 of the display screen 1;
here, one display control chip controls one display screen; the display screen 1 corresponds to the display control chip 1, and the display screen 2 corresponds to the display control chip 2.
Optionally, according to the performance of the display screen 1, that is, the parameters of the Gamma curve supported by the display screen 1, selecting a value closest to ax; setting the ax' into a display control chip of the display screen 1; wherein ax' may be a value equal to ax, or may be a value slightly greater than ax or slightly less than ax; and setting the ax' into a display control chip corresponding to the display screen 1.
Step S205: controlling a display control chip 1 to drive a display screen 1 to display contents; controlling a display control chip 2 to drive a display screen 2 to display contents;
optionally, the display correction device controls the display control chip 1 to drive the display screen 1 to display the content; the display correction device controls the display control chip 2 to drive the display screen 2 to display contents.
It should be noted that, because the Gamma parameter value of the display screen 1 has been adjusted so that the display color effect looks flush with the display color effect of the display screen 2, the colors displayed on the display screen 1 and the display screen 2 for the same color are substantially close to the same color, and the display screen 1 and the display screen 2 for the same color have substantially no color difference.
Step S206: ending the display; the using time t1 of the display screen 1 at this time1Accumulating the total service time of the display screen 1 and recording the total service time into Gamma _ T data of the display screen 1; the using time t2 of the display screen 2 of this time1The sum is added to the total usage time of the display screen 2 and recorded in the Gamma _ T data of the display screen 2.
Alternatively, after a period of use, the display screen 1 and the display screen 2 do not need to display the content, and the display is finished. The display correction equipment acquires the service time t1 of the display screen 1 at this time1(ii) a Will t11Add up to the total time of use of the display screen 1, andrecorded in Gamma _ T data of the display screen 1. At this time, the total use time of the display screen 1 is t1+ t11. The display correction equipment acquires the service time t2 of the display screen 2 at this time1(ii) a Will t21The total time of use of the display screen 2 is accumulated and recorded in the Gamma _ T data of the display screen 2. At this time, the total use time of the display screen 2 is t2+ t21。
In this way, after each time the display screen 1 and the display screen 2 are used, the total use time of the display screen 1 and the display screen 2 is correspondingly adjusted and updated.
It should be noted that, in this embodiment, the candidate display screen with the smallest display effect loss is selected as the reference screen, and the remaining candidate display screens are used for performing color compensation on the remaining candidate display screens based on the reference screen. Therefore, the chromatic aberration of other display screens can be adjusted according to the display screen with the slight aging degree, so that the display chromatic aberration of the same color of each display screen in the display correction equipment is maintained in a preset range, and the better viewing experience of a user is met.
Here, it should be noted that: the following description of the processing apparatus items for correction is similar to the description of the processing method for correction, and the description of the beneficial effects of the same method is omitted for brevity. For technical details not disclosed in the embodiment of the display correction processing apparatus of the present invention, please refer to the description of the embodiment of the display correction method of the present invention.
An embodiment of the present invention further provides a display correction apparatus, referring to fig. 10, the apparatus includes: a first acquisition module 31, a calculation module 32 and a processing module 33; wherein,
the first obtaining module 31 is configured to obtain a first color parameter value of the first display screen at the current time; the second color parameter value of the second display screen at the current moment is also obtained;
the calculation module 32 is configured to determine an adjustment parameter value according to a ratio of the first color parameter value to the second color parameter value;
the processing module 33 is configured to adjust the second color parameter value according to the adjustment parameter value; and controlling the display color of the second display screen according to the adjusted second color parameter value so as to maintain the display color difference of the first display screen and the second display screen to the same color within a preset range.
Optionally, the first obtaining module 31 is further configured to receive a first color parameter value of the first display screen at the current time from a database;
or estimating the first color parameter value at the current moment according to the corresponding relation between the service time of the first display screen and the color parameter value provided by the database.
Optionally, the first obtaining module 31 is further configured to receive a second color parameter value of the second display screen at the current time from a database;
or estimating the second color parameter value at the current moment according to the corresponding relation between the service time of the second display screen and the color parameter value provided by the database.
Optionally, the calculating module 32 is further configured to calculate
Calculating the adjustment parameter value;
wherein the ax is the adjustment parameter value, the ax is the adjustment parameter value
Is the first color parameter value, theFor the second color parameter value before the adjustment, the
And the color parameter value is the color parameter value of the first display screen at the initial moment.
Optionally, as shown in fig. 10, the apparatus further includes: a second acquisition module 34; wherein,
the second obtaining module 34 is configured to determine the use durations of the at least two alternative display screens;
and selecting the alternative display screen with the largest service time from at least two alternative display screens as the first display screen, and taking the rest alternative display screens as the second display screen.
Optionally, the second obtaining module 34 is further configured to determine a usage duration of at least two alternative display screens;
and selecting the alternative display screen with the minimum use time from at least two alternative display screens as the first display screen, and using the rest alternative display screens as the second display screen.
An embodiment of the present invention further discloses a display correction apparatus for display correction, referring to fig. 1 again, the apparatus includes a processor 11 and a memory 12 for storing a computer program capable of running on the processor; when the processor is used for running the computer program, the method for display correction processing provided by any embodiment of the invention is realized.
In some embodiments, memory 12 in embodiments of the present invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double data rate Synchronous Dynamic random access memory (ddr DRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous link SDRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 12 of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
And the processor 11 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 11. The Processor 11 may be a general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable Gate Array (FPGA) or other programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory 12, and the processor 11 reads the information in the memory 12 and completes the steps of the method in combination with the hardware thereof.
In some embodiments, the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For a hardware implementation, the processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
Yet another embodiment of the present invention further provides a computer storage medium, in which an executable program is stored, and when the executable program is executed by the processor 11, the following steps of the display correction method can be realized:
acquiring a first color parameter value of a first display screen at the current moment;
acquiring a second color parameter value of a second display screen at the current moment;
determining an adjustment parameter value according to the ratio of the first color parameter value to the second color parameter value;
adjusting the second color parameter value according to the adjusting parameter value;
and controlling the display color of the second display screen according to the adjusted second color parameter value so as to maintain the display color difference of the first display screen and the second display screen to the same color within a preset range.
Optionally, the executable program is further configured to, when executed by the processor 11, implement the following steps:
the obtaining of the first color parameter value of the first display screen at the current moment includes:
receiving a first color parameter value of the first display screen at the current moment from a database;
or estimating the first color parameter value at the current moment according to the corresponding relation between the service time of the first display screen and the color parameter value provided by the database.
Optionally, the executable program is further configured to, when executed by the processor 11, implement the following steps:
the obtaining of the second color parameter value of the second display screen at the current moment includes:
receiving a second color parameter value of the second display screen at the current moment from a database;
or estimating the second color parameter value at the current moment according to the corresponding relation between the service time of the second display screen and the color parameter value provided by the database.
Optionally, the executable program is further configured to, when executed by the processor 11, implement the following steps:
according to
Calculating the adjustment parameter value;
wherein the ax is the adjustment parameter value, the ax is the adjustment parameter valueIs the first color parameter value, theFor the second color parameter value before the adjustment, the
And the color parameter value is the color parameter value of the first display screen at the initial moment.
Optionally, the executable program is further configured to, when executed by the processor 11, implement the following steps:
determining the use duration of at least two alternative display screens;
and selecting the alternative display screen with the largest service time from at least two alternative display screens as the first display screen, and taking the rest alternative display screens as the second display screen.
Optionally, the executable program is further configured to, when executed by the processor 11, implement the following steps:
determining the use duration of at least two alternative display screens;
and selecting the alternative display screen with the minimum use time from at least two alternative display screens as the first display screen, and using the rest alternative display screens as the second display screen.
In some embodiments, the computer storage medium may include: a U-disk, a removable hard disk, a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A display correction method, the method comprising:
acquiring a first color parameter value of a first display screen at the current moment;
acquiring a second color parameter value of a second display screen at the current moment;
determining an adjustment parameter value according to the ratio of the first color parameter value to the second color parameter value;
adjusting the second color parameter value according to the adjusting parameter value;
and controlling the display color of the second display screen according to the adjusted second color parameter value so as to maintain the display color difference of the first display screen and the second display screen to the same color within a preset range.
2. The method of claim 1,
the obtaining of the first color parameter value of the first display screen at the current moment includes:
receiving a first color parameter value of the first display screen at the current moment from a database;
or,
and estimating a first color parameter value at the current moment according to the corresponding relation between the service time of the first display screen and the color parameter value provided by the database.
3. The method of claim 1,
the obtaining of the second color parameter value of the second display screen at the current moment includes:
receiving a second color parameter value of the second display screen at the current moment from a database;
or,
and estimating a second color parameter value at the current moment according to the corresponding relation between the service time of the second display screen and the color parameter value provided by the database.
4. The method of claim 1, wherein determining an adjustment parameter value based on a ratio of the first color parameter value and the second color parameter value comprises:
according to
Calculating the adjustment parameter value;
wherein the ax is the adjustment parameter value, the ax is the adjustment parameter value
Is the first color parameter value, the
For the second color parameter value before the adjustment, theAnd the color parameter value is the color parameter value of the first display screen at the initial moment.
5. The method of claim 1, further comprising:
determining the use duration of at least two alternative display screens;
and selecting the alternative display screen with the largest service time from at least two alternative display screens as the first display screen, and taking the rest alternative display screens as the second display screen.
6. The method of claim 1, further comprising:
determining the use duration of at least two alternative display screens;
and selecting the alternative display screen with the minimum use time from at least two alternative display screens as the first display screen, and using the rest alternative display screens as the second display screen.
7. A display correction apparatus, characterized in that the apparatus comprises:
the first obtaining module is used for obtaining a first color parameter value of the first display screen at the current moment; the second color parameter value of the second display screen at the current moment is also obtained;
the calculation module is used for determining an adjustment parameter value according to the ratio of the first color parameter value to the second color parameter value;
the processing module is used for adjusting the second color parameter value according to the adjusting parameter value; and controlling the display color of the second display screen according to the adjusted second color parameter value so as to maintain the display color difference of the first display screen and the second display screen to the same color within a preset range.
8. A display correction apparatus, characterized in that the apparatus comprises: a processor and a memory for storing a computer program capable of running on the processor; wherein the processor is configured to implement the display correction method of any one of claims 1-6 when running the computer program.
9. A storage medium having computer-executable instructions stored therein, the computer-executable instructions being executable by a processor to implement the display correction method of any one of claims 1-6.
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| PCT/CN2019/101855 WO2020038417A1 (en) | 2018-08-21 | 2019-08-21 | Display correction method and apparatus, and device and storage medium |
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| CN110853560B (en) | 2022-10-21 |
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