CN103595876A - Method and device for shooting image by utilizing mobile terminal - Google Patents
Method and device for shooting image by utilizing mobile terminal Download PDFInfo
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- CN103595876A CN103595876A CN201310608560.0A CN201310608560A CN103595876A CN 103595876 A CN103595876 A CN 103595876A CN 201310608560 A CN201310608560 A CN 201310608560A CN 103595876 A CN103595876 A CN 103595876A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
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Abstract
The invention discloses a method and device for shooting an image by utilizing a mobile terminal. The method comprises the following steps that a user uses a camera of a mobile terminal to shoot and record a preset target, and a preview image of the shot and recorded target is displayed on a display screen of the mobile terminal; a distance sensor of the mobile terminal is utilized to sense the distance between the body of the user and the mobile terminal; it is judged whether the distance between the body of the user and the mobile terminal exceeds a preset distance threshold; if the distance between the body of the user and the mobile terminal exceeds the range, then the display screen is stopped being used for displaying the preview image, and backlight of the display screen is turned off; if the distance between the body of the user and the mobile terminal does not exceed the range, then the display screen is continuously used to display the preview image. By the implement of the method and device for shooting the image by utilizing the mobile terminal, when the user uses the mobile terminal to shoot and record the preset target, power consumption is reduced in a self-adaption mode according to the situation, so that the mobile terminal saves more electricity during shooting and recording, and user experience is improved.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of method and device thereof that uses mobile terminal image recording.
Background technology
In prior art; mobile phone, panel computer and to be mounted with the electric weight of the mobile terminal internal batteries such as camera of intelligent operating system very limited; in routine use process; while particularly shooting with video-corder for a long time; when often can run into electric weight deficiency; now, change battery or to this class mobile terminal, carry out charging meeting and bring very large inconvenience to user.Therefore, if the method for the use mobile terminal image recording that a kind of power consumption is lower can be provided,, the in the situation that of same battery electric weight, be conducive to extend the time of using mobile terminal image recording, strengthen the flying power of mobile terminal.
Summary of the invention
In prior art, when opening camera shooting with video-corder in mobile terminal, display screen can continue to carry out image preview, power consumption is larger, cause the flying power of battery to reduce, and cannot according to the real-time adjustment of user's service condition, whether open the defect of display image preview, the present invention proposes a kind of method and device thereof that uses mobile terminal image recording.
It is a kind of method of using mobile terminal image recording of structure that the present invention solves the technical scheme that prior art problem adopts, and described method comprises:
Steps A, user uses the camera of mobile terminal to shoot with video-corder predetermined target, and the preview image of the target of being shot with video-corder in the demonstration screen display of this mobile terminal;
Step B, is used the health of distance-sensor sensing user of this mobile terminal and the distance between this mobile terminal;
Step C, judges whether user's health and the distance between this mobile terminal surpass default scope;
Step D, if the distance between user's health and this mobile terminal surpasses described scope, stops showing described preview image with described display screen, and closes display backlight; If the distance between user's health and this mobile terminal does not surpass described scope, continue to show described preview image with described display screen.
Steps A comprises:
Sub-step A1, when the camera of this mobile terminal is shot with video-corder predetermined target, is used the image data processor of this mobile terminal to generate preview image data;
Sub-step A2, described display screen shows described preview image according to described preview image data.
Step B comprises:
Sub-step B1, use the hand of distance-sensor sensing user of this mobile terminal and the distance between this mobile terminal, or the distance between the arm of sensing user and this mobile terminal, or the distance between the chest of sensing user and this mobile terminal, or the distance between the head of sensing user and this mobile terminal;
Sub-step B2, real-time statistics and upgrade described range data.
Step C comprises:
Sub-step C1, default described scope in this mobile terminal, described scope comprises user's hand and the hand distance threshold between this mobile terminal, user's arm and the arm distance threshold between this mobile terminal, user's chest and the chest distance threshold between this mobile terminal, user's head and the head distance threshold value between this mobile terminal;
Sub-step C2, whether the hand and the distance between this mobile terminal that judge respectively user surpass described hand distance threshold, whether the distance between user's arm and this mobile terminal surpasses described hand distance threshold, whether the distance between user's chest and this mobile terminal surpasses described hand distance threshold, and whether the distance between user's head and this mobile terminal surpasses described hand distance threshold.
Step D comprises:
Sub-step D1, if the distance between user's hand and this mobile terminal surpasses described hand distance threshold, and the distance between user's arm and this mobile terminal surpasses described arm distance threshold, and the distance between user's chest and this mobile terminal surpasses described chest distance threshold, and the distance between user's head and this mobile terminal surpasses described head distance threshold value, judge that the health and the distance between this mobile terminal that obtain user surpass described scope;
Sub-step D2, if the distance between user's hand and this mobile terminal does not surpass described hand distance threshold, or the distance between user's arm and this mobile terminal does not surpass described arm distance threshold, or the distance between user's chest and this mobile terminal does not surpass described chest distance threshold, or the distance between user's head and this mobile terminal does not surpass described head distance threshold value, judgement obtains user's health and the distance between this mobile terminal within described scope;
Sub-step D3, surpasses described scope if judgement obtains user's health and the distance between this mobile terminal, and the image data processor of this mobile device stops drawing preview image data;
Sub-step D4, when described image data processor stops drawing preview image data, stops according to described preview image data, showing described preview image with described display screen;
Sub-step D5, closes display backlight with described display screen, or display backlight intensity is adjusted to minimum.
Use a device for mobile terminal image recording, described device comprises:
Camera, for shooting with video-corder predetermined target;
Display screen, for showing the preview image of the target of being shot with video-corder;
Distance-sensor, for the health of sensing user and the distance between this mobile terminal;
Central processing unit, for judging whether user's health and the distance between this mobile terminal surpasses default distance threshold;
Described display screen also for, if the distance between user's health and this mobile terminal surpasses described scope, stop showing described preview image, and close display backlight; If the distance between user's health and this mobile terminal does not surpass described scope, continue to show described preview image.
This device also comprises image data processor, and described image data processor, for when the camera of this mobile terminal is shot with video-corder predetermined target, generates preview image data;
Described display screen is also for showing preview image according to described preview image data.
Described distance-sensor is also for the hand of sensing user and the distance between this mobile terminal, or the distance between the arm of sensing user and this mobile terminal, or the distance between the chest of sensing user and this mobile terminal, or the distance between the head of sensing user and this mobile terminal; And real-time statistics and upgrade described range data.
Described central processing unit also comprises threshold value setting unit and threshold decision unit, wherein,
Described threshold value setting unit is used for, default described scope in this mobile terminal, described scope comprises user's hand and the hand distance threshold between this mobile terminal, user's arm and the arm distance threshold between this mobile terminal, user's chest and the chest distance threshold between this mobile terminal, user's head and the head distance threshold value between this mobile terminal;
Described threshold decision unit is used for, whether the hand and the distance between this mobile terminal that judge respectively user surpass described hand distance threshold, whether the distance between user's arm and this mobile terminal surpasses described hand distance threshold, whether the distance between user's chest and this mobile terminal surpasses described hand distance threshold, and whether the distance between user's head and this mobile terminal surpasses described hand distance threshold.
Described threshold decision unit also for, if the distance between user's hand and this mobile terminal surpasses described hand distance threshold, and the distance between user's arm and this mobile terminal surpasses described arm distance threshold, and the distance between user's chest and this mobile terminal surpasses described chest distance threshold, and the distance between user's head and this mobile terminal surpasses described head distance threshold value, judge that the health and the distance between this mobile terminal that obtain user surpass described scope;
Described threshold decision unit also for, if the distance between user's hand and this mobile terminal does not surpass described hand distance threshold, or the distance between user's arm and this mobile terminal does not surpass described arm distance threshold, or the distance between user's chest and this mobile terminal does not surpass described chest distance threshold, or the distance between user's head and this mobile terminal does not surpass described head distance threshold value, judgement obtains user's health and the distance between this mobile terminal within described scope;
Described image data processor also for, if the health that judgement obtains user with the distance between this mobile terminal over described scope, stop drawing preview image data;
Described display screen also for, when described image data processor stops drawing preview image data, stop showing described preview image according to described preview image data;
Described display screen also for, close display backlight, or display backlight intensity be adjusted to minimum.
Implement the present invention, in the process that user shoots with video-corder at use mobile terminal, according to service condition self adaptation, reduce power consumption, extend the service time of battery, when user shoots with video-corder away from mobile terminal, this mobile terminal stops drawing image data, simultaneously, close display screen and show preview image, when user is during near mobile terminal, recover normal condition, thereby make mobile terminal power saving more when shooting with video-corder, especially in some specific video recording scene, such as the video of recording teacher and attending class, after mobile phone location can being adjusted, stop drawing preview data, thereby make to extend service time of battery, improved user's experience.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the flow chart of the method for the use mobile terminal image recording that provides of preferred embodiment of the present invention;
Fig. 2 is the structured flowchart of the device of the use mobile terminal image recording that provides of preferred embodiment of the present invention.
Embodiment
Be the flow chart of the method for the use mobile terminal image recording that provides of preferred embodiment of the present invention as shown in Figure 1, the method comprises the following steps:
Steps A, user uses the camera of mobile terminal to shoot with video-corder predetermined target, and the preview image of the target of being shot with video-corder in the demonstration screen display of this mobile terminal.This mobile terminal is mobile phone, the panel computer with camera or the camera that is mounted with intelligent operating system, for example, adopt the camera of Windows CE kernel or Android kernel.Wherein, steps A comprises following sub-step:
Sub-step A1, when the camera of this mobile terminal is shot with video-corder predetermined target, is used the image data processor of this mobile terminal to generate preview image data.Take mobile phone as example, when user opens the camera of this mobile phone, while choosing required scene of shooting with video-corder, camera is converted into the corresponding signal of telecommunication by above-mentioned scene by light signal by optical module, then by the above-mentioned electric signal transmission that carries scene information to image data processor, this image data processor is drawn out preview image data after above-said current signal being processed according to interior image processing method formula of establishing.
Sub-step A2, described display screen shows described preview image according to described preview image data.When this image data processor is drawn out after preview image data, by this image data transmission, to display screen, this display screen shows preview image according to above-mentioned view data.
Step B, is used the health of distance-sensor sensing user of this mobile terminal and the distance between this mobile terminal.Wherein, step B comprises following sub-step:
Sub-step B1, use the hand of distance-sensor sensing user of this mobile terminal and the distance between this mobile terminal, or the distance between the arm of sensing user and this mobile terminal, or the distance between the chest of sensing user and this mobile terminal, or the distance between the head of sensing user and this mobile terminal.
Be appreciated that, a plurality of distance-sensor can be set for the distance between sensing user health and this mobile terminal in this mobile terminal, or a distance-sensor (for example microwave distance-sensor) with many sense path be set for the distance between sensing user health and this mobile terminal.
Sub-step B2, real-time statistics and upgrade described range data.Be appreciated that, when user uses this mobile terminal to shoot with video-corder, may leave this mobile terminal, for example, when user sets the pattern of shooting with video-corder, after starting to shoot with video-corder, this mobile phone is fixed and proceeded on the table to shoot with video-corder, now, this mobile terminal need to be according to a default frequency deduplication sensing user health and the distance between this mobile terminal.For example, can adopt sensing per second mode once, meanwhile, the Data Update after each sensing be replaced to the data of last second, when not sensing new data, adopt the data of last second as current data.
Step C, judges whether user's health and the distance between this mobile terminal surpass default scope.Step C comprises following sub-step:
Sub-step C1, default described scope in this mobile terminal, described scope comprises user's hand and the hand distance threshold between this mobile terminal, user's arm and the arm distance threshold between this mobile terminal, user's chest and the chest distance threshold between this mobile terminal, user's head and the head distance threshold value between this mobile terminal.As above described in example, hand distance threshold between user's hand and this mobile terminal is set to 10cm, arm distance threshold between user's arm and this mobile terminal is set to 30cm, chest distance threshold between user's chest and this mobile terminal is set to 50cm, and the head distance threshold value setting between user's head and this mobile terminal is 60cm.
Sub-step C2, whether the hand and the distance between this mobile terminal that judge respectively user surpass described hand distance threshold, whether the distance between user's arm and this mobile terminal surpasses described hand distance threshold, whether the distance between user's chest and this mobile terminal surpasses described hand distance threshold, and whether the distance between user's head and this mobile terminal surpasses described hand distance threshold.
Step D, if the distance between user's health and this mobile terminal surpasses described scope, stops showing described preview image with described display screen, and closes display backlight; If the distance between user's health and this mobile terminal does not surpass described scope, continue to show described preview image with described display screen.Step D comprises following sub-step:
Sub-step D1, if the distance between user's hand and this mobile terminal surpasses described hand distance threshold, and the distance between user's arm and this mobile terminal surpasses described arm distance threshold, and the distance between user's chest and this mobile terminal surpasses described chest distance threshold, and the distance between user's head and this mobile terminal surpasses described head distance threshold value, judge that the health and the distance between this mobile terminal that obtain user surpass described scope.
As above described in example, when all distance-sensor all sense above-mentioned each distance over corresponding each threshold value, owing to only having when arbitrary position of user's body is during all over the threshold value of above-mentioned correspondence, just show that user is away from this mobile phone, therefore, when each distance-sensor senses each body part all over respective threshold, the distance that judgement obtains between user's body and this mobile terminal surpasses described threshold value.
Sub-step D2, if the distance between user's hand and this mobile terminal does not surpass described hand distance threshold, or the distance between user's arm and this mobile terminal does not surpass described arm distance threshold, or the distance between user's chest and this mobile terminal does not surpass described chest distance threshold, or the distance between user's head and this mobile terminal does not surpass described head distance threshold value, judgement obtains user's health and the distance between this mobile terminal within described scope.
While being appreciated that within the threshold range in above-mentioned correspondence of arbitrary position when user's body, show that user is not also away from this mobile phone.
Sub-step D3, surpasses described scope if judgement obtains user's health and the distance between this mobile terminal, and the image data processor of this mobile device stops drawing preview image data.As above described in example, when distance-sensor senses user away from this mobile phone, in this mobile device, ground image data processor stops drawing preview image data.
Sub-step D4, when described image data processor stops drawing preview image data, stops according to described preview image data, showing described preview image with described display screen.
Sub-step D5, closes display backlight with described display screen, or display backlight intensity is adjusted to minimum.Be appreciated that, when display screen close display backlight or display backlight intensity is adjusted to minimum after, when above-mentioned distance-sensor senses user again near this mobile phone, start image data processor and start to draw preview image data, and above-mentioned display screen recovers normal demonstration.
The structured flowchart of the device of the use mobile terminal image recording that provides of preferred embodiment of the present invention as shown in Figure 2.Described device comprises:
For shooting with video-corder the camera 10 of predetermined target;
For showing the display screen 20 of the preview image of the target of being shot with video-corder;
Distance-sensor 30 for the distance between sensing user health and this mobile terminal;
For judging whether described distance surpasses the central processing unit 40 of a preset range.
Be appreciated that, camera 10, display screen 20, distance-sensor 30 and following data processor 50 are all electrically connected with central processing unit 40, this central processing unit can be CPU or other embedded scm with data processing function, for sending control command to above-mentioned each assembly, processing controls data and above-mentioned each assembly is operated accordingly according to predetermined way.
If described display screen 20 also surpasses described scope for user's health and the distance between this mobile terminal, stop showing described preview image, and close display backlight; If the distance between user's health and this mobile terminal does not surpass described scope, continue to show described preview image.
This device also comprises image data processor 50, and display screen 20 is electrically connected by central processing unit 40 and image data processor 50.When described image data processor 50 starts to shoot with video-corder for open described camera 10 at this mobile terminal, start to draw preview image data.
Described display screen 20 is also for showing preview image according to described preview image data.
Described distance-sensor 30 is also for the hand of sensing user and the distance between this mobile terminal, or the distance between the arm of sensing user and this mobile terminal, or the distance between the chest of sensing user and this mobile terminal, or the distance between the head of sensing user and this mobile terminal; And real-time statistics and upgrade described range data.
Described central processing unit 40 also comprises threshold value setting unit 41 and threshold decision unit 42, wherein:
Described threshold value setting unit 41 for, default described scope in this mobile terminal, described scope comprises user's hand and the hand distance threshold between this mobile terminal, user's arm and the arm distance threshold between this mobile terminal, user's chest and the chest distance threshold between this mobile terminal, user's head and the head distance threshold value between this mobile terminal.
Described threshold decision unit 42 for, whether the hand and the distance between this mobile terminal that judge respectively user surpass described hand distance threshold, whether the distance between user's arm and this mobile terminal surpasses described hand distance threshold, whether the distance between user's chest and this mobile terminal surpasses described hand distance threshold, and whether the distance between user's head and this mobile terminal surpasses described hand distance threshold.
Described threshold decision unit 42 also for, if the distance between user's hand and this mobile terminal surpasses described hand distance threshold, and the distance between user's arm and this mobile terminal surpasses described hand distance threshold, and the distance between user's chest and this mobile terminal surpasses described hand distance threshold, and the distance between user's head and this mobile terminal surpasses described hand distance threshold, the distance that judgement obtains between user's body and this mobile terminal surpasses described threshold value.
Described threshold decision unit 42 also for, if the distance between user's hand and this mobile terminal does not surpass described hand distance threshold, or the distance between user's arm and this mobile terminal does not surpass described arm distance threshold, or the distance between user's chest and this mobile terminal does not surpass described chest distance threshold, or the distance between user's head and this mobile terminal does not surpass described head distance threshold value, judgement obtains user's health and the distance between this mobile terminal within described scope.
Described image data processor 50 also for, if described distance surpasses described threshold value, stop drawing preview image number.
Be appreciated that this image data processor 50 can be the GPU with view data processing capacity, or be integrated in the image data processing module on above-mentioned central processing unit 40.
Described display screen 20 also for, when described image data processor stops drawing preview image data, stop showing described preview image according to described preview image data.
Described display screen 20 also for, close display backlight or display backlight intensity be adjusted to minimum.
Implement the present invention, in the process that user shoots with video-corder at use mobile terminal, according to service condition self adaptation, reduce power consumption, extend the service time of battery, when user shoots with video-corder automatically away from mobile terminal, close drawing image data and close display screen and show preview image, when user is during near mobile terminal, recover normal condition, thereby make mobile terminal power saving more when shooting with video-corder, especially in some specific video recording scene, such as the video of recording teacher and attending class, after mobile phone location can being adjusted, stop drawing preview data, thereby make to extend service time of battery, improved user's experience.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. a method of using mobile terminal image recording, is characterized in that, described method comprises:
Steps A, user uses the camera of mobile terminal to shoot with video-corder predetermined target, and the preview image of the target of being shot with video-corder in the demonstration screen display of this mobile terminal;
Step B, is used the health each several part of distance-sensor sensing user of this mobile terminal and the distance between this mobile terminal;
Step C, according to the distance between user's health each several part and this mobile terminal, judges whether user's health exceeds predetermined scope;
Step D, if user's health exceeds described scope, stops showing described preview image with described display screen, and closes display backlight; If the distance between user's health and this mobile terminal does not exceed described scope, continue to show described preview image with described display screen.
2. the method for use mobile terminal image recording according to claim 1, is characterized in that, steps A comprises:
Sub-step A1, when the camera of this mobile terminal is shot with video-corder predetermined target, is used the image data processor of this mobile terminal to generate preview image data;
Sub-step A2, described display screen shows described preview image according to described preview image data.
3. the method for use mobile terminal image recording according to claim 2, is characterized in that, step B comprises:
Sub-step B1, use the hand of distance-sensor sensing user of this mobile terminal and the distance between this mobile terminal, or the distance between the arm of sensing user and this mobile terminal, or the distance between the chest of sensing user and this mobile terminal, or the distance between the head of sensing user and this mobile terminal;
Sub-step B2, real-time statistics and upgrade described range data.
4. the method for use mobile terminal image recording according to claim 3, is characterized in that, step C comprises:
Sub-step C1, default described scope in this mobile terminal, described scope comprises user's hand and the hand distance threshold between this mobile terminal, user's arm and the arm distance threshold between this mobile terminal, user's chest and the chest distance threshold between this mobile terminal, user's head and the head distance threshold value between this mobile terminal;
Sub-step C2, whether the hand and the distance between this mobile terminal that judge respectively user surpass described hand distance threshold, whether the distance between user's arm and this mobile terminal surpasses described hand distance threshold, whether the distance between user's chest and this mobile terminal surpasses described hand distance threshold, and whether the distance between user's head and this mobile terminal surpasses described hand distance threshold.
5. use according to claim 4 the method for mobile terminal image recording, it is characterized in that, step D comprises:
Sub-step D1, if the distance between user's hand and this mobile terminal surpasses described hand distance threshold, distance between user's arm and this mobile terminal surpasses described arm distance threshold, distance between user's chest and this mobile terminal surpasses described chest distance threshold, distance between user's head and this mobile terminal surpasses described head distance threshold value, judges that the health that obtains user exceeds described scope;
Sub-step D2, if the distance between user's hand and this mobile terminal does not surpass described hand distance threshold, or the distance between user's arm and this mobile terminal does not surpass described arm distance threshold, or the distance between user's chest and this mobile terminal does not surpass described chest distance threshold, or the distance between user's head and this mobile terminal does not surpass described head distance threshold value, judge that the health that obtains user does not exceed described scope;
Sub-step D3, exceeds described scope if judgement obtains user's health, and the image data processor of this mobile device stops drawing preview image data;
Sub-step D4, when described image data processor stops drawing preview image data, stops according to described preview image data, showing described preview image with described display screen;
Sub-step D5, closes display backlight with described display screen, or display backlight intensity is adjusted to minimum.
6. a device that uses mobile terminal image recording, is characterized in that, described device comprises:
Camera, for shooting with video-corder predetermined target;
Display screen, for showing the preview image of the target of being shot with video-corder;
Distance-sensor, for the health of sensing user and the distance between this mobile terminal;
Central processing unit, for according to the distance between user's health each several part and this mobile terminal, judges whether user's health exceeds predetermined scope;
Described display screen also for, if user's health exceeds described scope, stop showing described preview image, and close display backlight; If the distance between user's health and this mobile terminal does not exceed described scope, continue to show described preview image.
7. the device of use mobile terminal image recording according to claim 6, is characterized in that, also comprises image data processor, and described image data processor, for when the camera of this mobile terminal is shot with video-corder predetermined target, generates preview image data;
Described display screen is also for showing preview image according to described preview image data.
8. the device of use mobile terminal image recording according to claim 7, it is characterized in that, described distance-sensor is also for the hand of sensing user and the distance between this mobile terminal, or the distance between the arm of sensing user and this mobile terminal, or the distance between the chest of sensing user and this mobile terminal, or the distance between the head of sensing user and this mobile terminal; And real-time statistics and upgrade described range data.
9. the device of use mobile terminal image recording according to claim 8, is characterized in that, described central processing unit also comprises threshold value setting unit and threshold decision unit, wherein,
Described threshold value setting unit is used for, default described scope in this mobile terminal, described scope comprises user's hand and the hand distance threshold between this mobile terminal, user's arm and the arm distance threshold between this mobile terminal, user's chest and the chest distance threshold between this mobile terminal, user's head and the head distance threshold value between this mobile terminal;
Described threshold decision unit is used for, whether the hand and the distance between this mobile terminal that judge respectively user surpass described hand distance threshold, whether the distance between user's arm and this mobile terminal surpasses described hand distance threshold, whether the distance between user's chest and this mobile terminal surpasses described hand distance threshold, and whether the distance between user's head and this mobile terminal surpasses described hand distance threshold.
10. the device of use mobile terminal image recording according to claim 9, it is characterized in that, described threshold decision unit also for, if the distance between user's hand and this mobile terminal surpasses described hand distance threshold, and the distance between user's arm and this mobile terminal surpasses described arm distance threshold, and the distance between user's chest and this mobile terminal surpasses described chest distance threshold, and the distance between user's head and this mobile terminal surpasses described head distance threshold value, judge that the health and the distance between this mobile terminal that obtain user surpass described scope,
Described threshold decision unit also for, if the distance between user's hand and this mobile terminal does not surpass described hand distance threshold, or the distance between user's arm and this mobile terminal does not surpass described arm distance threshold, or the distance between user's chest and this mobile terminal does not surpass described chest distance threshold, or the distance between user's head and this mobile terminal does not surpass described head distance threshold value, judgement obtains user's health and the distance between this mobile terminal within described scope;
Described image data processor also for, if the health that judgement obtains user with the distance between this mobile terminal over described scope, stop drawing preview image data;
Described display screen also for, when described image data processor stops drawing preview image data, stop showing described preview image according to described preview image data;
Described display screen also for, close display backlight, or display backlight intensity be adjusted to minimum.
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| CN105204638A (en) * | 2015-09-18 | 2015-12-30 | 联想(北京)有限公司 | Electronic device and information processing method |
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| CN106453962A (en) * | 2016-11-30 | 2017-02-22 | 珠海市魅族科技有限公司 | Camera shooting control method of double-screen intelligent terminal |
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| CN108073399A (en) * | 2017-12-28 | 2018-05-25 | 奇酷互联网络科技（深圳）有限公司 | Camera preview method, apparatus, mobile terminal and computer readable storage medium |
| CN108073399B (en) * | 2017-12-28 | 2021-08-27 | 奇酷互联网络科技（深圳）有限公司 | Camera preview method, device, mobile terminal and computer readable storage medium |
| CN108509127A (en) * | 2018-03-29 | 2018-09-07 | 腾讯科技（深圳）有限公司 | Start the method, apparatus and computer equipment of record screen task |
| CN108509127B (en) * | 2018-03-29 | 2022-04-12 | 腾讯科技（深圳）有限公司 | Method and device for starting screen recording task and computer equipment |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: Guangdong Opel Mobile Communications Co., Ltd. |