CN104184956A - Mobile communication terminal photographing method and system and mobile communication terminal - Google Patents
Mobile communication terminal photographing method and system and mobile communication terminal Download PDFInfo
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- CN104184956A CN104184956A CN201410439003.5A CN201410439003A CN104184956A CN 104184956 A CN104184956 A CN 104184956A CN 201410439003 A CN201410439003 A CN 201410439003A CN 104184956 A CN104184956 A CN 104184956A
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Abstract
The invention is suitable for the technical field of mobile communication terminal photographing, and provides a mobile communication terminal photographing method. The method includes the following steps that whether a photographing instruction of a front-facing camera is received or not is detected; when the photographing instruction is detected, whether the exposure amount of an object to be photographed needs to be increased or not is judged according to the current photographing environment; when it is judged that the exposure amount of the object to be photographed needs to be increased, display brightness of a screen is increased so as to increase the exposure amount of the object to be photographed; the front-facing camera conducts photographing on the object to be photographed according to the exposure amount brought after the display brightness of the screen is increased. According to the mobile communication terminal photographing method, on the premise that the cost is not increased and the technology is not changed, an existing light source of the screen of a mobile communication terminal is used for increasing the exposure brightness of the front-facing camera, and therefore images with high quality are obtained through shooting.
Description
Technical field
The invention belongs to the technical field that mobile communication terminal is taken pictures, relate in particular to method, system and mobile communication terminal that a kind of mobile communication terminal is taken pictures.
Background technology
At present, most mobile communication terminal (as mobile phone terminal), for the consideration of the aspect such as cost or technique, aspect front-facing camera, be not configure photoflash lamp, therefore, user, in the time taking pictures (as autodyned), need to carry out in the reasonable situation of light, so just can take the image of relatively good quality; More dim in the situation that (as dim night) and under the assistance that there is no external light source, to promote the exposure of taking thing, just the current exposure brightness of simple employing is taken, take like this that image ratio is out dark and noise is larger, picture quality is poor.
Therefore,, even if await developing in the situation that a kind of front-facing camera do not configure photoflash lamp, mobile communication terminal can also be shot the scheme of the image of relatively good quality by the environment of self.
Summary of the invention
The method, system and the mobile communication terminal that the object of the present invention is to provide a kind of mobile communication terminal to take pictures, the front-facing camera that is intended to solve the mobile communication terminal existing in prior art does not configure photoflash lamp, so more dim in the situation that and under the assistance that there is no external light source, to promote the exposure of taking thing, just the current exposure brightness of simple employing is taken, take like this that image ratio is out dark and noise is larger, the problem that picture quality is poor.
The present invention is achieved in that a kind of method that mobile communication terminal is taken pictures, and the method that described mobile communication terminal is taken pictures comprises the following steps:
Detect and whether receive front-facing camera photographing instruction;
In the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
Need to promote the exposure of taking thing when judging, heighten the display brightness of screen to promote the exposure of taking thing;
The exposure that described front-facing camera brings according to the display brightness of the described screen after heightening is taken taking thing.
The system that provides a kind of mobile communication terminal to take pictures is provided, and the system that described mobile communication terminal is taken pictures comprises:
Detection module, for detection of whether receiving front-facing camera photographing instruction;
Promote judge module, in the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
Display brightness is heightened module, for needing to promote the exposure of taking thing when judging, heightens the display brightness of screen to promote the exposure of taking thing;
Taking module, takes taking thing for the exposure of bringing according to the display brightness of the described screen after heightening.
Another object of the present invention is to provide a kind of mobile communication terminal that comprises the system that mobile communication terminal recited above takes pictures.
In the present invention, the present invention does not configure photoflash lamp at the front-facing camera of mobile communication terminal, by utilizing existing screen light source to increase the exposure brightness of front-facing camera, shoots the image of relatively good quality with this.As from the foregoing, the embodiment of the present invention is not increasing cost and is not changing under the prerequisite of technique, utilize the existing light source of mobile communication terminal screen, when photographer presses shutter moment under dim environment, the current interface of mobile communication terminal screen display is set to white picture, or the exposure of the luminance compensation environment of raising screen, realize in this way the compensation of the exposure to front-facing camera, thereby promote the exposure of taking thing, even if make front-facing camera not configure photoflash lamp, and more dim in the situation that (as dim night) add under the assistance that there is no external light source, mobile communication terminal can also be shot by the existing light source of self screen the image of relatively good quality.
Brief description of the drawings
Fig. 1 is the realization flow schematic diagram of mobile communication terminal that the embodiment of the present invention one the provides method of taking pictures;
Fig. 2 is the realization flow schematic diagram of mobile communication terminal that the embodiment of the present invention two the provides method of taking pictures;
Fig. 3 is the realization flow schematic diagram of mobile communication terminal that the embodiment of the present invention three the provides method of taking pictures;
Fig. 4 is the structural representation of mobile communication terminal that the embodiment of the present invention four the provides system of taking pictures;
Fig. 5 is the structural representation of mobile communication terminal that the embodiment of the present invention five the provides system of taking pictures;
Fig. 6 is the structural representation of mobile communication terminal that the embodiment of the present invention six the provides system of taking pictures.
Embodiment
In order to make object of the present invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In embodiments of the present invention, the embodiment of the present invention does not configure photoflash lamp at the front-facing camera of mobile communication terminal, by utilizing existing screen light source to increase the exposure brightness of front-facing camera, shoots the image of relatively good quality with this.As from the foregoing, the embodiment of the present invention is not increasing cost and is not changing under the prerequisite of technique, utilize the existing light source of mobile communication terminal screen, when photographer presses shutter moment under dim environment, the current interface of mobile communication terminal screen display is set to white picture, or the exposure of the luminance compensation environment of raising screen, realize in this way the compensation of the exposure to front-facing camera, thereby promote the exposure of taking thing, while thering is no brightness of flash lamp compensation to solve front-facing camera, the problem that photographic images is second-rate.
Embodiment mono-:
Refer to Fig. 1, the realization flow of the method that the mobile communication terminal providing for the embodiment of the present invention one is taken pictures, it comprises the following steps:
In step S101, detect and whether receive front-facing camera photographing instruction;
As one embodiment of the invention, do not configure photoflash lamp at the front-facing camera of mobile communication terminal, when user wants to realize by screen photoflash lamp function the compensation of the exposure to front-facing camera, while promoting the exposure of taking thing with this; Need so to set in advance screen photoflash lamp function for automatic.Therefore, when detecting while receiving the instruction that front-facing camera shutter is pressed, judge whether screen photoflash lamp function is set to automatically, if judge screen photoflash lamp function setting for automatically, further perform step and judge whether to need to promote the step of the exposure of taking thing according to current photo environment in S102.
As another embodiment of the present invention, also can be arranged in advance unlatching mobile communication terminal camera function time, just open front-facing camera shutter simultaneously, therefore, in the time the open command that receives camera function being detected, judge whether screen photoflash lamp function is set to automatically, if judge screen photoflash lamp function setting for automatically, further perform step and judge whether to need to promote the step of the exposure of taking thing according to current photo environment in S102.
But, be understandable that, when the compensation that user does not want to realize by screen photoflash lamp function the exposure to front-facing camera, while promoting the exposure of taking thing with this, screen photoflash lamp function is recalled to as closed condition from auto state.Like this, user's (as dim night) and under the assistance that there is no external light source more dim in the situation that, takes that image ratio is out dark and noise is larger, and picture quality is poor.
Therefore, user can like to arrange screen photoflash lamp function according to each one, for example, when user wishes still can shoot the measured image of matter more dim in the situation that, screen photoflash lamp function can be set so for automatic, if user is exactly while wanting to shoot darker image more dim in the situation that, screen photoflash lamp function can be recalled to as closed condition from auto state so.
In embodiments of the present invention, described screen photoflash lamp function, refers to the photoflash lamp that does exposure compensating while utilizing screen light source to take pictures as front-facing camera.
In step S102, in the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
As one embodiment of the invention, judge whether to need the judgment mode that promotes the exposure of taking thing to be according to current photo environment: the light intensity that obtains current photo environment; The light intensity of the described current photo environment getting and default threshold value are compared; If the light intensity of the described current photo environment getting lower than default threshold value, is judged the light of current photo environment and secretly need to be promoted the exposure of taking thing; If the light intensity of the described current photo environment getting greater than or equal to default threshold value, is judged the bright exposure that does not need to promote shooting thing of the light of current photo environment.
But, be understandable that, it is above-mentioned that to judge whether to need to promote according to current photo environment the judgment mode of exposure of taking thing be a kind of form, not in order to limit the present invention, as judged whether current photo environment needs to promote the exposure of taking thing by the definition of image, if the definition of image is not high, thinks and need to promote the exposure of taking thing; If the definition of image is high, thinks and do not need to promote the exposure of taking thing; All any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
In step S103, need to promote the exposure of taking thing when judging, heighten the display brightness of screen to promote the exposure of taking thing;
In embodiments of the present invention, but, be understandable that, need to promote the exposure of taking thing when judging, the display brightness of screen is heightened to suitable brightness to promote the exposure of taking thing.For example, the light of current photo environment dark (being night), heightens the display brightness of screen maximum brightness so to promote the exposure of taking thing.And for example, the light of current photo environment is bright (being afternoon) not, so the display brightness of screen heightened to middle brightness to promote the exposure of taking thing.
In embodiments of the present invention, in order to allow user clearly know when having opened after screen photoflash lamp function, the display brightness of screen can be done some adjustment, and be not the reason that mobile communication terminal system goes wrong, the embodiment of the present invention, judging after the exposure that needs to promote shooting thing, can point out the display brightness of user's screen can do some adjustment by the mode of screen displaying character or voice broadcast.After prompting, mobile communication terminal is heightened the display brightness of screen.
In step S104, the exposure that described front-facing camera brings according to the display brightness of the described screen after heightening is taken taking thing.
In embodiments of the present invention, when be used as realizing the compensation of the exposure to front-facing camera by the display brightness of heightening screen, thereby promote the exposure of taking thing, the picture quality that described like this front-facing camera is taken is out better.After taking, now, mobile communication terminal receives while taking END instruction, the display brightness of the screen after heightening is returned to the original display brightness of screen.
Embodiment bis-:
Refer to Fig. 2, the realization flow of the method that the mobile communication terminal providing for the embodiment of the present invention two is taken pictures, it comprises the following steps:
In step S201, detect and whether receive front-facing camera photographing instruction;
As one embodiment of the invention, do not configure photoflash lamp at the front-facing camera of mobile communication terminal, when user wants to realize by screen photoflash lamp function the compensation of the exposure to front-facing camera, while promoting the exposure of taking thing with this; Need so to set in advance screen photoflash lamp function for automatic.Therefore, when detecting while receiving the instruction that front-facing camera shutter is pressed, judge whether screen photoflash lamp function is set to automatically, if judge screen photoflash lamp function setting for automatically, further perform step and judge whether to need to promote the step of the exposure of taking thing according to current photo environment in S202.
As another embodiment of the present invention, also can be arranged in advance unlatching mobile communication terminal camera function time, just open front-facing camera shutter simultaneously, therefore, in the time the open command that receives camera function being detected, judge whether screen photoflash lamp function is set to automatically, if judge screen photoflash lamp function setting for automatically, further perform step and judge whether to need to promote the step of the exposure of taking thing according to current photo environment in S202.
But, be understandable that, when the compensation that user does not want to realize by screen photoflash lamp function the exposure to front-facing camera, while promoting the exposure of taking thing with this, screen photoflash lamp function is recalled to as closed condition from auto state.Like this, user's (as dim night) and under the assistance that there is no external light source more dim in the situation that, takes that image ratio is out dark and noise is larger, and picture quality is poor.
Therefore, user can like to arrange screen photoflash lamp function according to each one, for example, when user wishes still can shoot the measured image of matter more dim in the situation that, screen photoflash lamp function can be set so for automatic, if user is exactly while wanting to shoot darker image more dim in the situation that, screen photoflash lamp function can be recalled to as closed condition from auto state so.
In embodiments of the present invention, described screen photoflash lamp function, refers to the photoflash lamp that does exposure compensating while utilizing screen light source to take pictures as front-facing camera.
In step S202, in the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
As one embodiment of the invention, judge whether to need the judgment mode that promotes the exposure of taking thing to be according to current photo environment: the light intensity that obtains current photo environment; The light intensity of the described current photo environment getting and default threshold value are compared; If the light intensity of the described current photo environment getting lower than default threshold value, is judged the light of current photo environment and secretly need to be promoted the exposure of taking thing; If the light intensity of the described current photo environment getting greater than or equal to default threshold value, is judged the bright exposure that does not need to promote shooting thing of the light of current photo environment.
But, be understandable that, it is above-mentioned that to judge whether to need to promote according to current photo environment the judgment mode of exposure of taking thing be a kind of form, not in order to limit the present invention, as judged whether current photo environment needs to promote the exposure of taking thing by the definition of image, if the definition of image is not high, thinks and need to promote the exposure of taking thing; If the definition of image is high, thinks and do not need to promote the exposure of taking thing; All any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
In step S203, need to promote the exposure of taking thing when judging, the current interface of screen display is set to white picture to promote the exposure of taking thing;
In embodiments of the present invention, in order to allow user clearly know when having opened after screen photoflash lamp function, the current interface of screen display can become white picture, and be not the reason that mobile communication terminal system goes wrong, the embodiment of the present invention, judging after the exposure that needs to promote shooting thing, can point out the current interface of user's screen display can become white picture by the mode of screen displaying character or voice broadcast.After prompting, the mobile communication terminal current interface of screen display is set to white picture.
In step S204, the exposure of the compensate for ambient that described front-facing camera brings according to the picture of described white is taken taking thing.
In embodiments of the present invention, when being set to white picture by the current interface of screen display and being used as realizing the compensation of exposure to front-facing camera, thereby promote the exposure of taking thing, the picture quality that described like this front-facing camera is taken is out better.After taking, now, mobile communication terminal receives while taking END instruction, and the white picture that current interface is shown returns to the former interface of screen display.
Embodiment tri-:
Refer to Fig. 3, the realization flow of the method that the mobile communication terminal providing for the embodiment of the present invention three is taken pictures, it comprises the following steps:
In step S301, detect and whether receive front-facing camera photographing instruction;
As one embodiment of the invention, do not configure photoflash lamp at the front-facing camera of mobile communication terminal, when user wants to realize by screen photoflash lamp function the compensation of the exposure to front-facing camera, while promoting the exposure of taking thing with this; Need so to set in advance screen photoflash lamp function for automatic.Therefore, when detecting while receiving the instruction that front-facing camera shutter is pressed, judge whether screen photoflash lamp function is set to automatically, if judge screen photoflash lamp function setting for automatically, further perform step and judge whether to need to promote the step of the exposure of taking thing according to current photo environment in S302.
As another embodiment of the present invention, also can be arranged in advance unlatching mobile communication terminal camera function time, just open front-facing camera shutter simultaneously, therefore, in the time the open command that receives camera function being detected, judge whether screen photoflash lamp function is set to automatically, if judge screen photoflash lamp function setting for automatically, further perform step and judge whether to need to promote the step of the exposure of taking thing according to current photo environment in S302.
But, be understandable that, when the compensation that user does not want to realize by screen photoflash lamp function the exposure to front-facing camera, while promoting the exposure of taking thing with this, screen photoflash lamp function is recalled to as closed condition from auto state.Like this, user's (as dim night) and under the assistance that there is no external light source more dim in the situation that, takes that image ratio is out dark and noise is larger, and picture quality is poor.
Therefore, user can like to arrange screen photoflash lamp function according to each one, for example, when user wishes still can shoot the measured image of matter more dim in the situation that, screen photoflash lamp function can be set so for automatic, if user is exactly while wanting to shoot darker image more dim in the situation that, screen photoflash lamp function can be recalled to as closed condition from auto state so.
In embodiments of the present invention, described screen photoflash lamp function, refers to the photoflash lamp that does exposure compensating while utilizing screen light source to take pictures as front-facing camera.
In step S302, in the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
As one embodiment of the invention, judge whether to need the judgment mode that promotes the exposure of taking thing to be according to current photo environment: the light intensity that obtains current photo environment; The light intensity of the described current photo environment getting and default threshold value are compared; If the light intensity of the described current photo environment getting lower than default threshold value, is judged the light of current photo environment and secretly need to be promoted the exposure of taking thing; If the light intensity of the described current photo environment getting greater than or equal to default threshold value, is judged the bright exposure that does not need to promote shooting thing of the light of current photo environment.
But, be understandable that, it is above-mentioned that to judge whether to need to promote according to current photo environment the judgment mode of exposure of taking thing be a kind of form, not in order to limit the present invention, as judged whether current photo environment needs to promote the exposure of taking thing by the definition of image, if the definition of image is not high, thinks and need to promote the exposure of taking thing; If the definition of image is high, thinks and do not need to promote the exposure of taking thing; All any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
In step S303, need to promote the exposure of taking thing when judging, heighten the brightness of screen backlight to promote the exposure of taking thing;
In embodiments of the present invention, in order to allow user clearly know when having opened after screen photoflash lamp function, the brightness meeting of screen backlight is heightened, and be not the reason that mobile communication terminal system goes wrong, the embodiment of the present invention, judging after the exposure that needs to promote shooting thing, can point out the brightness meeting of user's screen backlight to heighten by the mode of screen displaying character or voice broadcast.After prompting, mobile communication terminal is heightened the brightness of screen backlight.
In step S304, the exposure that described front-facing camera brings according to the brightness of the described screen backlight after heightening is taken taking thing.
In embodiments of the present invention, when the brightness of the screen backlight by after heightening is used as realizing the compensation of the exposure to front-facing camera, thereby promote the exposure of taking thing, the picture quality that described like this front-facing camera is taken is out better.After taking, now, mobile communication terminal receives while taking END instruction, and the brightness of the screen backlight after heightening is recalled to the original luminance to screen backlight.
As the optimum embodiment of the present invention, detect and whether receive front-facing camera photographing instruction; In the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment; Need to promote the exposure of taking thing when judging, the current interface of screen display is set to white picture, heightens in the lump the brightness of screen backlight simultaneously to promote the exposure of taking thing; The exposure of the compensate for ambient that described front-facing camera brings according to the picture of described white and heighten after the exposure brought of the brightness of described screen backlight, take taking thing.
The operating process of the method that the mobile communication terminal of describing the embodiment of the present invention in detail and providing below by son is for example taken pictures.
Front-facing camera at mobile communication terminal does not configure photoflash lamp, the flow process that user uses front-facing camera to autodyne is: in the time that user presses shutter, mobile communication terminal judges whether screen photoflash lamp function setting is automatic, if, then utilize camera sensor to judge whether photo environment needs to promote the exposure of taking thing, if need to promote the exposure of taking thing, and then mobile communication terminal system arranges the lily picture picture of screen display on screen, improve the brightness of screen backlight for maximum simultaneously, at this moment, front-facing camera captures shot object or personage, by the time after having taken, automatically exit white picture, and recover normal screen backlight illumination, mobile communication terminal returns to normal shooting state.
Embodiment tetra-:
Refer to Fig. 4, the structural representation of the system that the mobile communication terminal providing for the embodiment of the present invention four is taken pictures.For convenience of explanation, only show the part relevant to the embodiment of the present invention.The system that described mobile communication terminal is taken pictures comprises: detection module 101, lifting judge module 102, display brightness are heightened module 103 and taking module 104.The system that described mobile communication terminal is taken pictures can be the unit that is built in software unit, hardware cell or software and hardware combining in mobile communication terminal.
Detection module 101, for detection of whether receiving front-facing camera photographing instruction;
Promote judge module 102, in the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
Display brightness is heightened module 103, for needing to promote the exposure of taking thing when judging, heightens the display brightness of screen to promote the exposure of taking thing;
Taking module 104, takes taking thing for the exposure of bringing according to the display brightness of the described screen after heightening.
As one embodiment of the invention, facilitate user to like to arrange screen photoflash lamp function according to each one, for example, when user wishes still can shoot the measured image of matter more dim in the situation that, screen photoflash lamp function can be set so for automatic, if user is exactly while wanting to shoot darker image more dim in the situation that, screen photoflash lamp function can be recalled to as closed condition from auto state so.The system that described mobile communication terminal is taken pictures also comprises:
Screen photoflash lamp function setting module is auto state or closed condition for screen photoflash lamp function is set.Therefore, when having detected, described detection module 101 receives front-facing camera photographing instruction, automatic decision module judges whether screen photoflash lamp function is set to automatically, if judge screen photoflash lamp function setting for automatic, described lifting judge module 102 judges whether to need to promote the exposure of taking thing according to current photo environment.
In embodiments of the present invention, described lifting judge module 102 specifically comprises:
Light intensity acquisition module, for obtaining the light intensity of current photo environment;
Light intensity comparison module, for comparing the light intensity of the described current photo environment getting and default threshold value;
Determination module, if for the light intensity of the described current photo environment that gets lower than default threshold value, judge that the light of current photo environment secretly need to promote the exposure of taking thing; If the light intensity of the described current photo environment getting greater than or equal to default threshold value, is judged the bright exposure of taking thing that do not promote of the light of current photo environment.
As one embodiment of the present invention, in order to allow user clearly know when having opened after screen photoflash lamp function, the display brightness of screen can be done some and adjust, and is not the reason that mobile communication terminal system goes wrong, and the system that described mobile communication terminal is taken pictures also comprises: reminding module.
Described reminding module, for judging after the exposure that needs to promote shooting thing, the display brightness of prompting user screen can be done some adjustment.
The embodiment of the present invention, can point out the display brightness of user's screen can do some adjustment by the mode of screen displaying character or voice broadcast.After prompting, described display brightness is heightened 103 of modules and heightens the display brightness of screen.
As another preferred embodiment of the present invention, the system that described mobile communication terminal is taken pictures also comprises: recover module.
Described recovery module, while taking END instruction, returns to the display brightness of the screen after heightening the original display brightness of screen for receiving.
Embodiment five:
Refer to Fig. 5, the structural representation of the system that the mobile communication terminal providing for the embodiment of the present invention five is taken pictures.For convenience of explanation, only show the part relevant to the embodiment of the present invention.The system that described mobile communication terminal is taken pictures comprises: detection module 201, lifting judge module 202, interface arrange module 203 and taking module 204.The system that described mobile communication terminal is taken pictures can be the unit that is built in software unit, hardware cell or software and hardware combining in mobile communication terminal.
Detection module 201, for detection of whether receiving front-facing camera photographing instruction;
Promote judge module 202, in the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
Described interface arranges module 203, and for needing to promote the exposure of taking thing when judging, the current interface of screen display is set to white picture to promote the exposure of taking thing;
Described taking module 204, takes taking thing specifically for the exposure of the compensate for ambient brought according to the picture of described white.
Embodiment six:
Refer to Fig. 6, the structural representation of the system that the mobile communication terminal providing for the embodiment of the present invention six is taken pictures.For convenience of explanation, only show the part relevant to the embodiment of the present invention.The system that described mobile communication terminal is taken pictures comprises: detection module 301, lifting judge module 302, backlight illumination are heightened module 303 and taking module 304.The system that described mobile communication terminal is taken pictures can be the unit that is built in software unit, hardware cell or software and hardware combining in mobile communication terminal.
Detection module 301, for detection of whether receiving front-facing camera photographing instruction;
Promote judge module 302, in the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
Described backlight illumination is heightened module 303, for needing to promote the exposure of taking thing when judging, heightens the brightness of screen backlight to promote the exposure of taking thing;
Described taking module 304, takes taking thing specifically for the exposure of bringing according to the brightness of the described screen backlight after heightening.
In sum, the embodiment of the present invention does not configure photoflash lamp at the front-facing camera of mobile communication terminal, by utilizing existing screen light source to increase the exposure brightness of front-facing camera, shoots the image of relatively good quality with this.As from the foregoing, the embodiment of the present invention is not increasing cost and is not changing under the prerequisite of technique, utilize the existing light source of mobile communication terminal screen, when photographer presses shutter moment under dim environment, the current interface of mobile communication terminal screen display is set to white picture, or the exposure of the luminance compensation environment of raising screen, realize in this way the compensation of the exposure to front-facing camera, thereby promote the exposure of taking thing, even if make front-facing camera not configure photoflash lamp, and more dim in the situation that (as dim night) add under the assistance that there is no external light source, mobile communication terminal can also be shot by the existing light source of self screen the image of relatively good quality.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is can carry out the hardware that instruction is relevant by program to complete, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the method that mobile communication terminal is taken pictures, is characterized in that, the method that described mobile communication terminal is taken pictures comprises the following steps:
Detect and whether receive front-facing camera photographing instruction;
In the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
Need to promote the exposure of taking thing when judging, heighten the display brightness of screen to promote the exposure of taking thing;
The exposure that described front-facing camera brings according to the display brightness of the described screen after heightening is taken taking thing.
2. the method that mobile communication terminal as claimed in claim 1 is taken pictures, is characterized in that, described in heighten screen display brightness to promote the step of the exposure of taking thing, be specially:
The current interface of screen display is set to white picture to promote the exposure of taking thing;
The step that the exposure that described front-facing camera brings according to the display brightness of the described screen after heightening is taken taking thing, is specially:
The exposure of the compensate for ambient that described front-facing camera brings according to the picture of described white is taken taking thing.
3. the method that mobile communication terminal as claimed in claim 1 is taken pictures, is characterized in that, described in heighten screen display brightness to promote the step of the exposure of taking thing, be specially:
Heighten the brightness of screen backlight to promote the exposure of taking thing;
The step that the exposure that described front-facing camera brings according to the display brightness of the described screen after heightening is taken taking thing, is specially:
The exposure that described front-facing camera brings according to the brightness of the described screen backlight after heightening is taken taking thing.
4. the method that mobile communication terminal as claimed in claim 1 is taken pictures, is characterized in that, described in heighten screen display brightness to promote the step of the exposure of taking thing, be specially:
The current interface of screen display is set to white picture, heightens in the lump the brightness of screen backlight simultaneously to promote the exposure of taking thing;
The step that the exposure that described front-facing camera brings according to the display brightness of the described screen after heightening is taken taking thing, is specially:
The exposure of the compensate for ambient that described front-facing camera brings according to the picture of described white and heighten after the exposure brought of the brightness of described screen backlight, take taking thing.
5. the method that mobile communication terminal as claimed in claim 1 is taken pictures, is characterized in that, the described step that judges whether to need to promote the exposure of taking thing according to current photo environment, specifically comprises the following steps:
Obtain the light intensity of current photo environment;
The light intensity of the described current photo environment getting and default threshold value are compared;
If the light intensity of the described current photo environment getting lower than default threshold value, is judged the light of current photo environment and secretly need to be promoted the exposure of taking thing;
If the light intensity of the described current photo environment getting greater than or equal to default threshold value, is judged the bright exposure that does not need to promote shooting thing of the light of current photo environment.
6. the system that mobile communication terminal is taken pictures, is characterized in that, the system that described mobile communication terminal is taken pictures comprises:
Detection module, for detection of whether receiving front-facing camera photographing instruction;
Promote judge module, in the time described photographing instruction being detected, judge whether to need to promote the exposure of taking thing according to current photo environment;
Display brightness is heightened module, for needing to promote the exposure of taking thing when judging, heightens the display brightness of screen to promote the exposure of taking thing;
Taking module, takes taking thing for the exposure of bringing according to the display brightness of the described screen after heightening.
7. the system that mobile communication terminal as claimed in claim 6 is taken pictures, is characterized in that, described display brightness is heightened module and is specially interface module is set;
Described interface arranges module, and for needing to promote the exposure of taking thing when judging, the current interface of screen display is set to white picture to promote the exposure of taking thing;
Described taking module, takes taking thing specifically for the exposure of the compensate for ambient brought according to the picture of described white.
8. the system that mobile communication terminal as claimed in claim 6 is taken pictures, is characterized in that, described display brightness is heightened module and is specially backlight illumination and heightens module;
Described backlight illumination is heightened module, for needing to promote the exposure of taking thing when judging, heightens the brightness of screen backlight to promote the exposure of taking thing;
Described taking module, takes taking thing specifically for the exposure of bringing according to the brightness of the described screen backlight after heightening.
9. the system that mobile communication terminal as claimed in claim 6 is taken pictures, is characterized in that, described unlatching judge module specifically comprises:
Light intensity acquisition module, for obtaining the light intensity of current photo environment;
Light intensity comparison module, for comparing the light intensity of the described current photo environment getting and default threshold value;
Determination module, if for the light intensity of the described current photo environment that gets lower than default threshold value, judge that the light of current photo environment secretly need to promote the exposure of taking thing; If the light intensity of the described current photo environment getting greater than or equal to default threshold value, is judged the bright exposure that does not need to promote shooting thing of the light of current photo environment.
10. one kind comprises the mobile communication terminal of the system that the mobile communication terminal described in claim 6 to 9 any one takes pictures.
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Application publication date: 20141203 |