CN109274871A - A kind of image imaging method and device of mobile terminal - Google Patents
A kind of image imaging method and device of mobile terminal Download PDFInfo
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- CN109274871A CN109274871A CN201811133501.1A CN201811133501A CN109274871A CN 109274871 A CN109274871 A CN 109274871A CN 201811133501 A CN201811133501 A CN 201811133501A CN 109274871 A CN109274871 A CN 109274871A
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- target object
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- compensating lamp
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
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Abstract
The embodiment of the invention discloses a kind of image imaging method of mobile terminal and devices, this method comprises: the first light compensating lamp of control mobile terminal emits light to target object, light filling is carried out for target object, and control the second light compensating lamp and emit light to target object, predetermined pattern is provided for target object；It is received by the first, second camera of mobile terminal by the light of the surface reflection of target object, the back side of display screen is arranged in the first, second camera, and the light of reflection is incident to the first, second camera via the transparent region of display screen；The target object is imaged in the light intensity and predetermined pattern of light based on reflection, to obtain target image.The embodiment of the present invention solves the problems, such as that the non-display area of display screen is arranged in reduce the screen accounting of display screen in camera in the prior art.
Description
Technical field
This application involves field of terminal equipment more particularly to the image imaging methods and device of a kind of mobile terminal.
Background technique
The non-display area of display screen generally can be all arranged in the camera of current phone product, as shown in Figure 1, light meeting
Camera is entered through display screen glass cover board, to realize imaging of taking pictures.
But camera is arranged in the non-display area of display screen, the display area of display screen can be occupied instead, thus
Reduce the screen accounting of display screen；Also, the precision in the prior art for obtaining testee depth information is relatively low, as a result,
When realizing the functions such as image unlock, since the depth information precision of measurement is not high enough, to will affect the knot of the functions such as unlock
Fruit, in this way, reducing the usage experience of consumer.
Summary of the invention
The embodiment of the present invention provides the image imaging method and device of a kind of mobile terminal, to solve in the prior art take the photograph
The problem of screen accounting of the non-display area of display screen to reduce display screen is set as head.
In order to solve the above technical problems, the present invention is implemented as follows:
In a first aspect, providing a kind of image imaging method of mobile terminal, comprising: control the first light filling of mobile terminal
Lamp emits light to target object, to carry out light filling to the target object, and controls second light compensating lamp to target object
Emit light, to provide predetermined pattern to the target object；
It is received by the first camera of the mobile terminal, second camera by the surface reflection of the target object
Light, wherein first camera, second camera are arranged in the back side of the display screen, the light of the reflection via
The transparent region of the display screen is incident to first camera, the second camera；
The target object is imaged in the light intensity of light based on the reflection and the predetermined pattern, to obtain mesh
Logo image.
Second aspect provides a kind of image forming device of mobile terminal comprising:
Processor emits light to target object for controlling the first light compensating lamp of the mobile terminal, with to the mesh
It marks object and carries out light filling, and control second light compensating lamp and emit light to target object, it is pre- to be provided to the target object
If pattern；
First camera, the second camera at the back side of the display screen, first camera and described are set
Two cameras are used to receive the light of the surface reflection by the target object, with according to the light intensity of the light of the reflection and
The target object is imaged in the predetermined pattern, obtains target image, wherein the light of the reflection is via described aobvious
The transparent region of display screen is incident to first camera and the second camera.
The third aspect additionally provides a kind of terminal device comprising: memory, processor and it is stored in the memory
Computer program that is upper and can running on the processor, realization such as the when the computer program is executed by the processor
The step of method described in one side.
Fourth aspect also provides a kind of computer-readable medium, stores computer program on the computer-readable medium,
The step of method as described in relation to the first aspect is realized when the computer program is executed by processor.
In embodiments of the present invention, the image imaging method of mobile terminal is by controlling the first, second light compensating lamp to target
Object emits light, is then received by the first, second camera of mobile terminal by the light of the surface reflection of target object
(light of the reflection is incident to the first, second camera via the transparent region of display screen), according to the first, second camera
Target object is imaged in the light intensity and predetermined pattern of the light of received reflection, obtains target image.In this way, due to this hair
The first, second camera in the image imaging method of bright embodiment is arranged in the display area of display screen (display screen
The back side), there is no the screens that the non-display area of display screen such as is arranged in camera in the prior art and reduces display screen to account for
Than the problem of, to improve the usage experience of user.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the display screen of mobile terminal in the prior art；
Fig. 2 is the schematic flow chart of the image imaging method of mobile terminal according to an embodiment of the invention；
Fig. 3 is the schematic flow chart of the image imaging method of mobile terminal in accordance with another embodiment of the present invention；
Fig. 4 is the schematic flow chart of the image imaging method of the mobile terminal of further embodiment according to the present invention；
Fig. 5 is the schematic block diagram one of binocular ranging according to an embodiment of the present invention；
Fig. 6 is the schematic block diagram two of binocular ranging according to an embodiment of the present invention；
Fig. 7 is the schematic block diagram three of binocular ranging according to an embodiment of the present invention；
Fig. 8 is the schematic block diagram in the paths path of mobile terminal according to an embodiment of the invention；
Fig. 9 is the schematic block diagram in the paths path of mobile terminal in accordance with another embodiment of the present invention；
Figure 10 is the schematic block diagram in the paths path of the mobile terminal of further embodiment according to the present invention；
Figure 11 is the schematic block diagram of the image imaging method of mobile terminal according to an embodiment of the invention；
Figure 12 is the schematic block diagram of the image imaging method of mobile terminal in accordance with another embodiment of the present invention；
Figure 13 is the schematic diagram of the image forming device of mobile terminal according to an embodiment of the invention；
Figure 14 is the schematic structure principle frame of the image forming device of mobile terminal according to an embodiment of the invention
Figure；
Figure 15 is the structural schematic diagram of terminal device according to an embodiment of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with of the invention specific real
It applies example and technical solution of the embodiment of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment
It is only a part of the embodiment of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without making creative work belongs to what the present invention protected
Range.
The technical solution provided below in conjunction with attached drawing, each embodiment that the present invention will be described in detail.
S202. the first light compensating lamp for controlling mobile terminal emits light to target object, to carry out light filling to target object,
And control the second light compensating lamp and emit light to target object, to provide predetermined pattern to target object.
Wherein, the first light compensating lamp and the second light compensating lamp can be located at the non-display area of the display screen of mobile terminal.Certainly,
The edge that first light compensating lamp and/or the second light compensating lamp can also be arranged in display screen is (top edge of such as display screen, following
Edge, left edge, right hand edge etc.), i.e. clearance position between the frame structure of display screen and display screen.
Wherein, as shown in figure 3, before the first, second light compensating lamp of control mobile terminal emits light to target object
Operation, it may include:
S200. the input of user is received, the first, second light compensating lamp of starting emits light.
It should be understood that the input of user can be the operation such as Image Acquisition or face unlock.That is, when user starts Image Acquisition
Or when the operation such as face unlock, the first, second light compensating lamp of starting emits light, and controls the first, second light compensating lamp to target pair
As (object being taken) transmitting light, so that light be made to be radiated on target object, only target object does not provide light
According to can also lay the groundwork for subsequent object (i.e. target object) depth information and plane pattern-information etc. of obtaining.
S204. it is received by the first camera of mobile terminal, second camera by the light of the surface reflection of target object
Line, wherein the first camera, second camera are arranged in the back side of display screen, the light of reflection via display screen clear area
Domain is incident to the first camera, second camera.Camera can be infrared camera, or bilateral camera etc..
After light is incident upon target object, light by target object surface reflection to mobile terminal display screen, so
Light is transferred to the first camera, second camera after display screen afterwards.In order to improve the transmitance that light passes through screen, the
One, the second light compensating lamp can be infrared light compensating lamp (being certainly not limited to infrared lamp, or VCSEL, laser lamp, LED etc.),
And the first, second camera can be infrared camera, as a result, when the infrared light of infrared light compensating lamp transmitting passes through target object
Surface, display screen is when being transferred to infrared camera, the transmitance that infrared light passes through screen generally can be relatively high.
S206. based on the first camera, the light intensity of the light of the received reflection of second camera and predetermined pattern to target
Object is imaged, to obtain target image.
Since the viewing area of display screen is arranged in the first, second camera in the image imaging method of the embodiment of the present invention
In domain (back side that display screen is set), without such as in the prior art by camera be arranged in display screen non-display area and
The problem of reducing the screen accounting of display screen, so as to improve the usage experience of user.
In the above-described embodiments, as shown in figure 4, the method for the embodiment of the present invention can include:
S402. when acquiring the image of the target object, the first camera of starting, second camera are received by target pair
The light of the surface reflection of elephant obtains two so that target object to be imaged according to the light intensity and predetermined pattern of the light of reflection
A different target image.
S404. the lateral coordinates value based on the goal-selling o'clock in target object in two different target images, really
Set the goal the depth information of object.
It should be understood that after being radiated on target object by the light that the first, second light compensating lamp emits, irradiated object (mesh
Mark object) surface reflection light, and two cameras are entered through display screen, at this point, the first, second camera is received by mesh
The light for marking the surface reflection of object is imaged target object according to the light intensity of light and the predetermined pattern of formation of reflection,
Obtain two target images.Finally, can be according to being photographed what same target point on object was imaged on two width target images of left and right
Abscissa difference remembers the depth information for being photographed object out by software algorithm, thus face when realizing such as payment function
The operation such as unlock.
In this way, the method for the embodiment of the present invention, which not only can be improved, accounts for screen ratio, and due to by two cameras according to
The principle (reference can be made to shown in Fig. 5) of binocular ranging realizes the measurement to target object depth information, may make measurement Object Depth
The precision of information is improved, to further increase the usage experience of user.
Wherein, it is illustrated in conjunction with Fig. 5 to Fig. 7, mainly target point, which is utilized, (can be construed to target pair for binocular ranging
The a certain target point of elephant) the directly existing difference (i.e. parallax) of the lateral coordinates that are imaged on left and right two width view and target point
To the distance Z of imaging plane, there is the relationships of inverse proportion: Z=f*T/d, and the derivation process of the formula can be shown in following formula:
Therefore, molecule denominator is divided out, and the dimension and T-phase of Z is same.Assuming that coordinate of the target point in left view is (x, y),
The parallax formed on the view of left and right be d, coordinate of the target point in the world coordinate system using left camera optical center as origin be (X,
Y, Z), then there is transformation matrix Q, so that Q* [x y d 1] '=[X Y Z W] '.In order to accurately acquire some point in three-dimensional
Distance Z in space, the parameter for needing to obtain have focal length f, parallax d, camera center away from Tx。
Wherein, in the OpenCV of vision library, the dimension of f is pixel, and the dimension of T is by the tessellated actual size of calibration plate
It is determined with user input values, (may be set to be 0.1 millimeter magnitude of course for precision raising) usually in millimeters,
D=xl-xrDimension be also pixel.
If also needing to obtain X-coordinate and Y coordinate, also need additionally to know left and right as plane coordinate system with
The offset C of origin in three-dimensional coordinate systemxAnd Cy.Wherein f, Tx、CxAnd CyInitial value can be obtained by stereo calibration, and by vertical
Sports school's quasi- optimization, so that two cameras are mathematically substantially parallel placement, and the C of left and right camerax、CyIdentical with f (
Exactly realize that left and right view in Fig. 5 is substantially parallel the ideal form of alignment).
And the work that Stereo matching is done, it is exactly on the basis of before, seek the last one variable: (d is general by parallax d
It needs to reach sub-pixel precision).To be finally completed preparation required for seeking three-dimensional coordinate.That is, calibration, calibration
And matching, it is all around how more accurately obtaining f, d, Tx、CxAnd CyAnd design.
In above-mentioned further embodiment, the first, second light compensating lamp has the light filling lampshade of designated shape lines, control
First light compensating lamp of mobile terminal emits light to target object, comprising:
Control the first light compensating lamp transmitting light by forming predetermined pattern after the light filling lampshade with designated shape lines,
And it is radiated at predetermined pattern on target object.Certainly, if the first light compensating lamp is used to carry out light filling to target object, this
In light filling lampshade be then optically focused effect.
The first light compensating lamp for controlling mobile terminal emits light to target object, comprising: control the second light compensating lamp transmitting
Light makes predetermined pattern be radiated at target object by forming predetermined pattern after the light filling lampshade with designated shape lines
On.
It should be noted that the first, second light compensating lamp all has light filling lampshade, then, wherein light compensating lamp (such as
One light compensating lamp) and light filling lampshade provide area source, to improve intensity of illumination, in addition a light compensating lamp (such as the second light compensating lamp) and mend
Light lampshade can provide light pattern information i.e. predetermined pattern (including but not limited to hot spot, area source, pattern), when pattern-information shines
It penetrates after being photographed on object, in irradiated object surface reflection, reflection light enters two infrared take the photograph after penetrating display screen
As obtaining two pictures in head (the first, second camera), then basis is photographed same target point on object and is controlling two width
The abscissa difference being imaged on picture, and remember by software algorithm the depth information for being photographed object out.
It can be seen that the first light compensating lamp, which provides intensity of illumination, passes through the work of light compensating lamp even if user uses under dark situation
With effect of taking pictures can be greatly improved, the user experience of terminal dark situation application scenarios is finally promoted, for example, face unlock, face
Payment, AR application etc..
In any of the above-described embodiment, display screen successively includes that glassy layer, light transport layer and foamed cotton layer, foamed cotton layer are opened
If a through-hole, the through-hole setting of the first camera and second camera difference face foamed cotton layer, method further include:
The surface reflection by target object is received by the first camera and second camera of mobile terminal and is successively worn
Cross glassy layer, light transport layer, foamed cotton layer through-hole light.
In this way, by the through-hole of foamed cotton layer can by sequentially pass through glassy layer, light transport layer, foamed cotton layer light collected
Come, and the light after collecting is made to be transferred to the first camera and second camera, so as to further increase camera to mesh
Mark the imaging efficiency of object.
It should be noted that some executing subjects of each step of above-described embodiment institute providing method can be same set
It is standby, alternatively, this method can also be by distinct device as executing subject.For example, the executing subject of step S102, S104 can be same
One executing subject, and the executing subject of step S106 then can be another executing subject (such as control unit)；For another example, step
The executing subject of S102, S104, S106 all can be the same executing subjects etc..
In a specific embodiment, it is illustrated in conjunction with Fig. 9 or Figure 10 or Figure 11 and Figure 13, in cell phone system
Two infrared cameras of middle setting, two light compensating lamps (including but not limited to laser lamp, infrared lamp, LED), two light filling lampshades,
Infrared camera is fixed below display screen viewing area, and light compensating lamp and light filling lampshade are fixed below the non-display area of display screen
(two light compensating lamps can be arranged at below non-display area or a setting is below non-display go), the side of the embodiment of the present invention
The realization process of method can be with are as follows: wherein a light compensating lamp and light filling lampshade provide area source, improve intensity of illumination, in addition a benefit
Light lamp and light filling lampshade provide light pattern information (including but not limited to hot spot, area source, pattern), are radiated at and are photographed object
On, in irradiated object surface reflection, reflection light, which penetrates to enter in two infrared cameras after display screen, obtains two figures
Piece passes through software algorithm further according to the abscissa difference that same target point is imaged on two width pictures of left and right on object is photographed
Remember the depth information for being photographed object out.
It should be understood that two infrared cameras are located in display screen viewing area, and it is not take up the space of non-display area, therefore,
The viewing area size of display screen can be improved, that is, improve screen accounting.Secondly as infrared camera baseline is larger, imaging
Reliability it is higher, therefore, using two cameras according to binocular range measurement principle measure object depth information, the precision of measurement
It is greatly improved.In addition, light compensating lamp provides intensity of illumination, effect of taking pictures can be increased substantially under dark situation, promoted
The user experience of terminal dark situation application scenarios, for example, face unlock, face payment, AR application etc..
Certainly, it is the transmitance for guaranteeing infrared light, the routing layer of display screen can be processed, it is saturating to further increase light
Cross rate.
It in another specific embodiment, is illustrated in conjunction with Fig. 8, Figure 12 and Figure 13, is arranged in cell phone system
Two infrared cameras, two light compensating lamps (including but not limited to laser lamp, infrared lamp, LED), two light filling lampshades, it is infrared to take the photograph
As head is fixed below display screen viewing area, light compensating lamp and light filling lampshade are fixed in the gap of display screen and structural member, this hair
The realization process of the method for bright embodiment can be with are as follows: wherein a light compensating lamp and light filling lampshade provide area source, and it is strong to improve illumination
Degree, in addition a light compensating lamp and light filling lampshade provide light pattern information (including but not limited to hot spot, area source, pattern), shine
It penetrates on being photographed object, in irradiated object surface reflection, reflection light enters two infrared photographies after penetrating display screen
Two pictures are obtained in head, further according to the Diff E for being photographed same target point on object and being imaged on two width pictures of left and right
It is different, the depth information for being photographed object out is remembered by software algorithm.
Similarly, two infrared cameras are located in display screen viewing area, and are not take up the space of non-display area, therefore, can
To improve the viewing area size of display screen, that is, improve screen accounting.Secondly as infrared camera baseline is larger, imaging
Reliability is higher, therefore, measures the depth information of object according to binocular range measurement principle using two cameras, the precision of measurement obtains
To biggish raising.In addition, light compensating lamp provides intensity of illumination, effect of taking pictures can be increased substantially under dark situation, promoted eventually
The user experience of dark situation application scenarios is held, for example, face unlock, face payment, AR application etc..
In another specific embodiment, it is illustrated in conjunction with Fig. 9 or Figure 10 or Figure 11, two is arranged in cell phone system
Bilateral camera, two light compensating lamps (including but not limited to laser lamp, infrared lamp, VCSEL, LED), two light filling lampshades, it is double
Logical camera is fixed below display screen viewing area, wherein two light compensating lamps and light filling lampshade are securable to the non-of display screen
(according to actual design demand, two light compensating lamps and light filling lampshade can all be set to the seam of display screen and structural member below viewing area
In gap, a light compensating lamp and light filling lampshade can also be fixed below the non-display area of display screen, another light compensating lamp and light filling
Lampshade is located in the gap of display screen and structural member, reference can be made to Figure 10.
The realization process of the method for the embodiment of the present invention can be with are as follows: wherein a light compensating lamp and light filling lampshade provide face light
Intensity of illumination is improved in source, and in addition a light compensating lamp and light filling lampshade provide light pattern information (including but not limited to hot spot, face
Light source, pattern), it is radiated at and is photographed on object, in irradiated object surface reflection, reflection light enters after penetrating display screen
Two pictures are obtained in two bilateral cameras, are imaged on two width pictures of left and right further according to same target point on object is photographed
Abscissa difference, the depth information for being photographed object is obtained by software algorithm.
It should be understood that bilateral camera is located in display screen viewing area, it is not take up the space of non-display area, display can be improved
The viewing area size of screen, to improve screen accounting.Bilateral camera baseline is larger, and imaging reliability is higher, is surveyed using binocular
Away from technical solution, it is higher to measure object depth information precision.Light compensating lamp provides infrared intensity of illumination, greatly improves under dark situation
It takes pictures effect, promotes the user experience of terminal dark situation application scenarios, for example, face unlock, face payment, AR application etc..
In addition, under the stronger environment of visible illumination level, bilateral camera can receive visible using bilateral camera
Light carries out imaging or ranging, to further increase the usage experience of user.Also, since AMOLED display screen is to visible light
Penetrance is lower, needs to do specially treated to display screen inside routing layer, to improve visible light transmittance, to promote effect of taking pictures
Fruit.
In any of the above-described embodiment, further to promote effect of taking pictures, light compensating lamp can be set to three or more, tool
Body can be configured according to actual design demand.
A kind of image forming device of mobile terminal can also be provided in the embodiment of the present invention, may include place as shown in figure 14
Device is managed, the first light compensating lamp for controlling mobile terminal emits light to target object, to carry out light filling to target object, and controls
It makes the second light compensating lamp and emits light to target object, to provide predetermined pattern to target object；The back side of display screen is set
First camera, second camera, the first camera and second camera are used to receive by the surface reflection of target object
Light obtains target image so that target object to be imaged according to the light intensity and predetermined pattern of the light of reflection, wherein anti-
The light penetrated is incident to the first camera and second camera via the transparent region of display screen.
Since image forming device emits light to target object by two light compensating lamps that control unit controls mobile terminal
Line, so that light passes through the surface reflection of target object to the display screen of mobile terminal, then by being arranged at the display screen back side
The first, second camera receive that (light of the reflection is via the transparent of display screen by the light of surface reflection of target object
Region is incident to the first, second camera), with according to the light intensity of its received reflection light and predetermined pattern to target object into
Row imaging, obtains target image.In this way, since the first, second camera in the image forming device of the embodiment of the present invention is set
(back side of display screen) is set in the display area of display screen, and there is no such as camera is arranged in display screen in the prior art
Non-display area and the problem of reduce the screen accounting of display screen, it is thus possible to improve the screen accounting of display screen, to improve user
Usage experience.
In the above-described embodiments, processor is configured to start the first camera, second when acquiring the image of target object
Camera is received by the light of the surface reflection of target object, with the light intensity and predetermined pattern according to the light of reflection to target pair
As being imaged, two different target images are obtained.Processor is then configured to according to the goal-selling point in target object
Lateral coordinates value in two different target images, determines the depth information of target object.
In this way, not only available flat image information, and can by the target image that two cameras obtain according to
Binocular range measurement principle determines object (i.e. target object) depth information.So as to improve the precision of object depth information measurement,
When operating to the face unlock etc. when realizing such as payment function, the usage experience of user can be improved.
In above-mentioned further embodiment, the first light compensating lamp and the second light compensating lamp all have the light filling of designated shape lines
Lampshade enables predetermined pattern be radiated at for dissipating the light of the first light compensating lamp or the transmitting of the second light compensating lamp and forming predetermined pattern
On target object.For example, when user starts the operation such as Image Acquisition or face unlock, the first light compensating lamp or the second light compensating lamp meeting
Emit light to target object, light can dissipate to form hot spot (or area source or other patterns after light filling lampshade
Deng), then hot spot can be radiated on target object, hot spot by target object surface reflection to mobile terminal screen, so
Hot spot is transferred to the first, second camera after screen afterwards.At this point, the first, second camera takes the shape of hot spot, thus
The depth information of available target object and the image of target object.
In any of the above-described embodiment, the first camera and second camera can be located separately wherein the two of mobile terminal
At a end angle, certainly, as shown in figure 13, any position at the mobile terminal display screen back side can be set to.The setting of first light compensating lamp exists
The non-display area of display screen, or the gap being set between display screen and display screen outline border, the setting of the second light compensating lamp are being shown
The non-display area of screen or the gap being set between display screen and display screen outline border.And display screen is arranged in the first light compensating lamp
Non-display area, or be set to the first light compensating lamp can be located at display screen edge (top edge of such as display screen, lower edge, left edge,
Right hand edge etc.) at, i.e., the gap between display screen and display screen outline border.Equally, the second light compensating lamp may also be arranged on display screen
Non-display area or the gap that is set between display screen and display screen outline border.
Certainly, the first light compensating lamp can be arranged close to the first camera or second camera, the second light compensating lamp is far from first
Camera and second camera setting；First camera or second camera are infrared camera or bilateral camera.
The hardware structural diagram of Figure 15 terminal device of embodiment to realize the present invention.As shown in figure 15, which sets
Standby 1500 include but is not limited to: radio frequency unit 1501, audio output unit 1503, input unit 1504, passes network module 1502
Sensor 1505, display unit 1506, user input unit 1507, interface unit 1508, memory 1509, processor 1510, with
And the equal components of power supply 1511.It will be understood by those skilled in the art that terminal device structure shown in Figure 15 was not constituted to end
The restriction of end equipment, terminal device may include perhaps combining certain components or difference than illustrating more or fewer components
Component layout.In embodiments of the present invention, terminal device includes but is not limited to mobile phone, tablet computer, laptop, palm
Computer, car-mounted terminal, wearable device and pedometer etc..
Wherein, processor 1510, for executing following methods:
The first light compensating lamp for controlling mobile terminal emits light to target object, to provide light intensity for target object, and controls
It makes the second light compensating lamp and emits light to target object, to provide predetermined pattern for target object；
It is received by the first camera of mobile terminal, second camera by the light of the surface reflection of target object,
In, the back side of display screen is arranged in the first camera, second camera, and the light of reflection is incident via the transparent region of display screen
To the first camera, second camera；
Target object is imaged in the light intensity of light based on reflection and the predetermined pattern of formation, to obtain target figure
Picture.
Since this method is mended by control positioned at the first, second of mobile terminal by the image imaging method of mobile terminal
Light lamp emits light to target object, and the surface by target object is then received by the first, second camera of mobile terminal
The light (light of the reflection is incident to the first, second camera via the transparent region of display screen) of reflection, with according to first,
Target object is imaged in the light intensity and predetermined pattern of the light of the received reflection of second camera, obtains target image.Such as
This, since the first, second camera in the image imaging method of the embodiment of the present invention is arranged at the display area of display screen
Interior (back side of display screen), reduces aobvious there is no the non-display area of display screen such as is arranged in camera in the prior art
The problem of screen accounting of display screen, to improve the usage experience of user.
It should be understood that the embodiment of the present invention in, radio frequency unit 1501 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 1510 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 1501 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 1501 can also by wireless communication system and network and other
Equipment communication.
Terminal device provides wireless broadband internet by network module 1502 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 1503 can be received by radio frequency unit 1501 or network module 1502 or in memory
The audio data stored in 1509 is converted into audio signal and exports to be sound.Moreover, audio output unit 1503 can be with
Audio output relevant to the specific function that terminal device 1500 executes is provided (for example, call signal receives sound, message sink
Sound etc.).Audio output unit 1503 includes loudspeaker, buzzer and receiver etc..
Input unit 1504 is for receiving audio or video signal.Input unit 1504 may include graphics processor
(Graphics Processing Unit, GPU) 15041 and microphone 15042, graphics processor 15041 are captured in video
In mode or image capture mode by image capture apparatus (such as camera) obtain static images or video image data into
Row processing.Treated, and picture frame may be displayed on display unit 1506.Through treated the picture frame of graphics processor 15041
It can store in memory 1509 (or other storage mediums) or carried out via radio frequency unit 1501 or network module 1502
It sends.Microphone 15042 can receive sound, and can be audio data by such acoustic processing.Audio that treated
Data can be converted to the lattice that mobile communication base station can be sent to via radio frequency unit 1501 in the case where telephone calling model
Formula output.
Terminal device 1500 further includes at least one sensor 1505, for example, optical sensor, motion sensor and other
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ring
The light and shade of border light adjusts the brightness of display panel 15061, proximity sensor can when terminal device 1500 is moved in one's ear,
Close display panel 15061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions
The size of (generally three axis) acceleration, can detect that size and the direction of gravity, can be used to identify terminal device appearance when static
State (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion)
Deng；Sensor 1505 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, gas
Meter, hygrometer, thermometer, infrared sensor etc. are pressed, wherein infrared sensor can be by emitting and receiving infrared flash ranging
The distance between object and terminal device are measured, details are not described herein.
Display unit 1506 is for showing information input by user or being supplied to the information of user.Display unit 1506 can
Including display panel 15061, liquid crystal display (Liquid Crystal Display, LCD), organic light-emitting diodes can be used
Forms such as (Organic Light-Emitting Diode, OLED) are managed to configure display panel 15061.
User input unit 1507 can be used for receiving the number or character information of input, and generate the use with terminal device
Family setting and the related key signals input of function control.Specifically, user input unit 1507 include touch panel 15071 with
And other input equipments 15072.Touch panel 15071, also referred to as touch screen collect the touch behaviour of user on it or nearby
Make (for example user uses any suitable objects or attachment such as finger, stylus on touch panel 15071 or in touch panel
Operation near 15071).Touch panel 15071 may include both touch detecting apparatus and touch controller.Wherein, it touches
The touch orientation of detection device detection user is touched, and detects touch operation bring signal, transmits a signal to touch controller；
Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 1510,
It receives the order that processor 1510 is sent and is executed.Furthermore, it is possible to using resistance-type, condenser type, infrared ray and surface
The multiple types such as sound wave realize touch panel 15071.In addition to touch panel 15071, user input unit 1507 can also include
Other input equipments 15072.Specifically, other input equipments 15072 can include but is not limited to physical keyboard, function key (ratio
Such as volume control button, switch key), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 15071 can be covered on display panel 15061, when touch panel 15071 detects
After touch operation on or near it, processor 1510 is sent to determine the type of touch event, is followed by subsequent processing device 1510
Corresponding visual output is provided on display panel 15061 according to the type of touch event.Although in Figure 15, touch panel
15071 and display panel 15061 are the functions that outputs and inputs of realizing terminal device as two independent components, but
In some embodiments, touch panel 15071 can be integrated with display panel 15061 and realize outputting and inputting for terminal device
Function, specifically herein without limitation.
Interface unit 1508 is the interface that external device (ED) is connect with terminal device 1500.For example, external device (ED) may include
Wired or wireless headphone port, external power supply (or battery charger) port, wired or wireless data port, storage card
Port, port, the port audio input/output (I/O), video i/o port, earphone for connecting the device with identification module
Port etc..Interface unit 1508 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) simultaneously
And by one or more elements that the input received is transferred in terminal device 1500 or it can be used in terminal device
Data are transmitted between 1500 and external device (ED).
Memory 1509 can be used for storing software program and various data.Memory 1509 can mainly include storage program
Area and storage data area, wherein storing program area can application program needed for storage program area, at least one function (such as
Sound-playing function, image player function etc.) etc.；Storage data area, which can be stored, uses created data (ratio according to mobile phone
Such as audio data, phone directory) etc..In addition, memory 1509 may include high-speed random access memory, it can also include non-
Volatile memory, for example, at least a disk memory, flush memory device or other volatile solid-state parts.
Processor 1510 is the control centre of terminal device, utilizes each of various interfaces and the entire terminal device of connection
A part by running or execute the software program and/or module that are stored in memory 1509, and calls and is stored in storage
Data in device 1509 execute the various functions and processing data of terminal device, to carry out integral monitoring to terminal device.Place
Managing device 1510 may include one or more processing units；Preferably, processor 1510 can integrate application processor and modulation /demodulation
Processor, wherein the main processing operation system of application processor, user interface and application program etc., modem processor master
Handle wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 1510.
Terminal device 1500 can also include the power supply 1511 (such as battery) powered to all parts, it is preferred that power supply
1511 can be logically contiguous by power-supply management system and processor 1510, to realize that management is filled by power-supply management system
The functions such as electricity, electric discharge and power managed.
In addition, terminal device 1500 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of terminal device, may include processor 1510, memory 1509,
It is stored in the computer program that can be run on memory 1509 and on the processor 1510, the computer program is by processor
1510 realize each process of above-mentioned embodiment of the method shown in FIG. 1 when executing, and can reach identical technical effect, to avoid
It repeats, which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned method shown in Fig. 2 when being executed by processor, and can reach phase
Same technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as read-only storage
Device (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or light
Disk etc..
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method of element, commodity or equipment.
It will be understood by those skilled in the art that the embodiment of the present invention can provide as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the present invention
Form.It is deposited moreover, the present invention can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The above description is only an embodiment of the present invention, is not intended to restrict the invention.For those skilled in the art
For, the invention may be variously modified and varied.All any modifications made within the spirit and principles of the present invention are equal
Replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (13)
1. a kind of image imaging method of mobile terminal characterized by comprising
The first light compensating lamp for controlling mobile terminal emits light to target object, to carry out light filling to the target object, and controls
It makes second light compensating lamp and emits light to target object, to provide predetermined pattern to the target object；
It is received by the first camera of the mobile terminal, second camera by the light of the surface reflection of the target object
Line, wherein the back side of the display screen, the light warp of the reflection is arranged in first camera, the second camera
First camera, the second camera are incident to by the transparent region of the display screen；
The target object is imaged in the light intensity of light based on the reflection and the predetermined pattern, to obtain target figure
Picture.
2. the method according to claim 1, wherein including:
When acquiring the image of the target object, start first camera, the second camera is received by the mesh
Mark object surface reflection light, with according to the light intensity of the light of the reflection and the predetermined pattern to the target object
It is imaged, obtains two different target images.
3. according to the method described in claim 2, it is characterized by further comprising:
Based on lateral coordinates value of the goal-selling point in described two different target images in the target object, determine
The depth information of the target object.
4. the method according to claim 1, wherein first light compensating lamp and second light compensating lamp all have
The light filling lampshade of designated shape lines, the first light compensating lamp for controlling mobile terminal emit light to target object, comprising:
The light for controlling the first light compensating lamp transmitting is described default by being formed after the light filling lampshade with designated shape lines
Pattern, and it is radiated at the predetermined pattern on the target object.
5. the method according to claim 1, wherein the display screen successively includes glassy layer, light transport layer
And foamed cotton layer, the foamed cotton layer open up a through-hole, foam described in first camera and second camera difference face
The through-hole setting of layer, the method also includes:
It is received respectively by the first camera and second camera of the mobile terminal by the surface reflection of the target object
And sequentially pass through the glassy layer, the light transport layer, the foamed cotton layer through-hole light.
6. a kind of image forming device of mobile terminal characterized by comprising
Processor emits light to target object for controlling the first light compensating lamp of the mobile terminal, with to the target pair
It as carrying out light filling, and controls second light compensating lamp and emits light to target object, to provide default figure to the target object
Case；
First camera, the second camera at the back side of the display screen are set, and first camera and described second are taken the photograph
As head is used to receive the light of the surface reflection by the target object, according to the light intensity of the light of the reflection and described
The target object is imaged in predetermined pattern, obtains target image, wherein the light of the reflection is via the display screen
Transparent region be incident to first camera and the second camera.
7. device according to claim 6, it is characterised in that:
The processor is configured to when acquiring the image of the target object, and starting first camera, described second are taken the photograph
As head is received by the light of the surface reflection of the target object, according to the light intensity of the light of the reflection and the default figure
The target object is imaged in case, obtains two different target images.
8. device according to claim 7, it is characterised in that:
The processor is configured to according to the goal-selling point in the target object in described two different target images
In lateral coordinates value, determine the depth information of the target object.
9. device according to claim 6, it is characterised in that:
First light compensating lamp and second light compensating lamp all have the light filling lampshade of designated shape lines, for dissipating described
One light compensating lamp or the light of second light compensating lamp transmitting simultaneously form the predetermined pattern, enable the predetermined pattern be radiated at described
On target object.
10. device according to claim 6, it is characterised in that:
First camera and the second camera are located at the two of them end angle of the mobile terminal；
First light compensating lamp non-display area of the display screen is set or be set to the display screen and display screen outline border it
Between gap, second light compensating lamp is arranged in the non-display area of the display screen or is set to the display screen and display screen
Gap between outline border.
11. device according to claim 6, it is characterised in that:
First light compensating lamp is arranged close to first camera or the second camera, and second light compensating lamp is far from institute
State the first camera and second camera setting；
First camera or the second camera are infrared camera or bilateral camera.
12. a kind of terminal device characterized by comprising memory, processor and be stored on the memory and can be in institute
The computer program run on processor is stated, such as claim 1 to 5 is realized when the computer program is executed by the processor
Any one of described in method the step of.
13. a kind of computer-readable medium, which is characterized in that computer program is stored on the computer-readable medium, it is described
The step of method as described in right wants any one of 1 to 5 is realized when computer program is executed by processor.
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| CN201811133501.1A CN109274871A (en) | 2018-09-27 | 2018-09-27 | A kind of image imaging method and device of mobile terminal |
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| CN201811133501.1A CN109274871A (en) | 2018-09-27 | 2018-09-27 | A kind of image imaging method and device of mobile terminal |
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