CN104168425A - Photographing method for preventing jittering or focusing blurring in handheld photographing process and mobile terminal - Google Patents

Photographing method for preventing jittering or focusing blurring in handheld photographing process and mobile terminal Download PDF

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Publication number
CN104168425A
CN104168425A CN201410443356.2A CN201410443356A CN104168425A CN 104168425 A CN104168425 A CN 104168425A CN 201410443356 A CN201410443356 A CN 201410443356A CN 104168425 A CN104168425 A CN 104168425A
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focusing
photometry
imaging
face
countdown
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CN201410443356.2A
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CN104168425B (en
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张伟
陆居平
傅松林
张长定
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Xiamen Meitu Technology Co Ltd
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Xiamen Meitu Technology Co Ltd
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Abstract

The invention relates to a photographing method for preventing jittering or focusing blurring in the handheld photographing process. After a shutter is pressed and imaging countdown starts, whether focusing or light metering is completed before the shutter is pressed, or whether refocusing is needed or not according to the sharpness is judged; if yes, automatic focusing and automatic light metering are locked, previous focusing or light metering are kept, and imaging is conducted when imaging countdown ends; if not, focusing or light metering is conducted, and imaging is conducted when imaging countdown ends. A photographing mobile terminal for preventing jittering or focusing blurring in the handheld photographing process comprises the shutter, a photographing module, a focusing and light metering module, a blurring detection module and a focusing and light metering locking module. According to the method, when the shutter is pressed, whether refocusing is needed is judged first, automatic focusing is prevented by locking the focusing function or the light metering function, and a focal plane is fixed simultaneously in combination with imaging countdown so as to make a user make preparation; consequently, the picture jittering problem and the blurring problem caused by refocusing can be mitigated quickly.

Description

A kind of shake of hand-held racket photograph or focus fuzzy photographic method and mobile terminal of preventing
Technical field
The present invention relates to a kind of imaging optimization method, more particularly, relate to a kind of shake of hand-held racket photograph or focus fuzzy photographic method and mobile terminal of preventing.
Background technology
Camera function has become the second largest functional module of present smart mobile phone, except telephony feature, the module that smart mobile phone manufacturer has an effect one after another, along with mobile phone screen size is done larger and larger, do thinner and thinner, hand-held difficulty of taking pictures is just increasing, once mobile phone is on slippery ground or rock, just be easy to have influence on final slice success rate, particularly in the situation that having entity to take pictures button, during by button, easily cause hand to be had an effect to a direction, will cause to a greater extent shake, whether camera model can need again to focus by automatic decision simultaneously, under the prerequisite of shake, it is very large triggering the possibility of again automatically focusing, focus process again in shake can affect last picture readability and photometry stability.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and can effectively prevent because of shake out of focusly, or hand-held shake causes focus fuzzy photographic method and mobile terminal.
Technical scheme of the present invention is as follows:
Prevent that hand-held racket from shining shake or the fuzzy photographic method of focusing, press soon behind the door, enter imaging countdown; Judgement simultaneously presses whether completed focusing or photometry before shutter, or readability do not need again to focus, and if so, will automatically focus and automatic light measuring locking, keeps focusing or photometry formerly, carries out imaging when imaging countdown finishes; Otherwise, focus or photometry, and carry out imaging when imaging countdown finish.
As preferably, if when imaging countdown finishes, do not complete focusing or photometry, in focusing or photometry, carry out imaging after completing.
As preferably, if default need to again focusing or the situation of photometry appears in picture, do not lock focusing or photometry, re-start focusing or photometry once, then locking focusing or photometry.
As preferably, before imaging countdown finishes, when the threshold values that the readability that focusing detected does not meet setting need to be focused again, in imaging countdown process, trigger focusing or photometry again.
As preferably, if front, be once region focusing or the photometry of clicking screen, what again trigger is also to the focusing in this region or photometry, if middle section focusing or photometry automatically, what again trigger is also middle section focusing or photometry automatically.
As preferably, under recognition of face pattern, if when the threshold values that people's face data are grown out of nothing, the displacement of people's face surpass to be set, people's face number change, what carry out is that human face region chased after to Jiao or photometry.
As preferably, after recognition of face completes, the position of knowing others face is converted into focusing plane coordinate system, by fastening variation at focusing plane coordinates, the displacement of judgement people face to knowing the coordinate of others face.
As preferably, multiple focusing mode only allows to exist a kind of mode to carry out simultaneously, and triggers authority and be followed successively by from big to small: the focusing of people's face, manually region focusing, middle section focusing.
As preferably, described shutter comprises software shutter or hardware shutter.
Prevent that hand-held racket from, according to shake or the fuzzy mobile terminal of taking pictures of focusing, comprising:
Shutter, for triggering imaging request;
Photo module, for completing whole imaging flow process, comprises imaging countdown and imaging action;
Focusing photometry module, for automatically triggering focusing or photometry, or manual triggers focusing or photometry, when possessing people's face and chase after burnt function, for realizing the focusing of people's face position;
Fuzzy detection module, for detection of current fuzzy pictures degree;
Focusing photometry locking module, for focusing or the photometry state of current picture are kept, and triggers no longer again;
Countdown module, for focusing or time of photometry are provided, and user's time of taking pictures and preparing.
As preferably, photo module drives shutter by the corresponding interface; By the corresponding interface, drive Focusing module to work; By the corresponding interface, drive focusing photometry locking module to work; Be embodied as picture countdown.
As preferably, also comprise that people's face chases after burnt module, under recognition of face pattern, for people's face position, focus.
Beneficial effect of the present invention is as follows:
Method of the present invention and mobile terminal, can prevent from, because shake the photometry of focusing again bringing, finally having influence on the deficiency of the image quality of taking pictures effectively.The present invention is when shutter, first judge whether again to focus, by focusing or light measuring function are in the lock state, when keeping last result, prevent the generation of focusing automatically, be combined into again as countdown and allow user prepare, can allow float problem and the fuzzy problem bringing of again focusing be alleviated rapidly.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
The invention provides a kind of shake of hand-held racket photograph or fuzzy photographic method of focusing of preventing, press soon behind the door (described shutter comprises software shutter or hardware shutter), enter imaging countdown; Judgement is simultaneously pressed and whether has been completed focusing or photometry before shutter (focusing and photometry are separately execution, also be to lock respectively, but be generally to trigger work) simultaneously, or readability does not need again to focus, if, will automatically focus and automatic light measuring locking, keep focusing or photometry formerly, when imaging countdown finishes, carry out imaging; Otherwise, focus or photometry, and carry out imaging when imaging countdown finish.
In order to guarantee the quality of imaging, prevent after imaging countdown completes, also imaging action is not just carried out in focusing or photometry success, causes the situation of imaging failure to occur, and the present invention allows under specific circumstances, does not force to carry out imaging action when imaging countdown finishes.That is, if when imaging countdown finishes, do not complete focusing or photometry, in focusing or photometry, carry out imaging after completing.
For logic of the present invention more humane, be applicable to more situation, and exceed and intervene the operation of taking pictures, when finishing and trigger imaging, imaging countdown carries out picture detection, if there is default need to again focusing or the situation of photometry in picture, do not lock focusing or photometry, re-start focusing or photometry once, then locking focusing or photometry.
Another kind of situation is, before imaging countdown finishes, when the threshold values that the readability that focusing detected does not meet setting need to be focused again, triggers focusing or photometry again in imaging countdown process.
The testing result providing according to graphic process unit or software algorithm is provided picture, triggers focusing, and it detects details the application and does not repeat.
If front, be once region focusing or the photometry of clicking screen, what again trigger is also to the focusing in this region or photometry, if middle section focusing or photometry automatically, what again trigger is also middle section focusing or photometry automatically.
If under recognition of face pattern, if when the threshold values that people's face data are grown out of nothing, the displacement of people's face surpass to be set, people's face number change, what carry out is that human face region chased after to Jiao or photometry.After recognition of face completes, the position of knowing others face is converted into focusing plane coordinate system, by fastening variation at focusing plane coordinates, the displacement of judgement people face to knowing the coordinate of others face.
Recognition of face data are accurate, can accurately capture the position of people's face, and the paired focal plane of fast conversion coordinate system, by coordinate is analyzed, if people's face position is moved beyond threshold values, triggers focusing or photometry automatically.When people's face data are grown out of nothing, or number variation is to carry out people's face and chase after Jiao.If when image processor detects the threshold values that fuzzy pictures degree surpass to set, re-start focusing or photometry.Focusing module is plugged into and is chased after burnt people's face data, focuses.
Chase after burnt situation only occurs in above-mentioned situation, and multiple focusing mode only allows to exist a kind of mode to carry out simultaneously, set same time people face focusing, manually region focusing and middle section focusing three only have a kind of situation to be processed, and triggering authority is followed successively by from big to small: the focusing of people's face, manually region focusing, middle section focusing.
The present invention also provides a kind of and prevents that hand-held racket from, according to shake or the fuzzy mobile terminal of taking pictures of focusing, comprising:
Shutter, for triggering imaging request, comprises that take pictures in interface, the smart mobile phone of physical button.
Photo module, for completing whole imaging flow process, comprises imaging countdown and imaging action.
Photo module drives shutter by the corresponding interface; By the corresponding interface, drive Focusing module to work; By the corresponding interface, drive focusing photometry locking module to work; Be embodied as picture countdown.In photo module, include the program of taking pictures, its Main Function is as follows:
1, by the corresponding interface, drive no matter be that software or the shutter of hardware are taken pictures;
2, by the corresponding interface, drive different focus module (automatically triggering manual triggers etc.) work, also comprise if the people's face existing chases after burnt module; People's face chases after burnt module, for realizing recognition of face pattern.
3, by the corresponding interface, drive focusing photometry locking module to work;
4, realize countdown reminding module.
Focusing photometry module, for automatically triggering focusing or photometry, or manual triggers focusing or photometry, comprise region focusing or the photometry of the focusing of automatic triggering middle section or photometry or manual triggers, when possessing people's face and chase after burnt function, for realizing the focusing of people's face band of position; When focusing or light measuring function locking, the break-off of focusing photometry module keeps current focusing or photometry result, for the effect that determines that this is taken pictures simultaneously.
Fuzzy detection module, for detection of current fuzzy pictures degree, is to trigger again the key of focusing automatically.
Focusing photometry locking module, for focusing or the photometry state of current picture are kept, and triggers no longer again, prevents the slip of focusing position, and the maintenance of photometry can utilize current photometry environment other scenes of taking pictures.
Countdown module, for focusing or time of photometry are provided, and user's time of taking pictures and preparing.According to implementing needs, can set the imaging countdown of different durations, focus or photometry, and user's time of taking pictures and making adequate preparation.
During concrete enforcement, associated methods and mobile terminal, method concrete steps of the present invention are as follows:
1) open mobile phone photograph program;
2) scene of taking pictures at needs, no matter auto heterodyne (band recognition of face) or landscape are taken pictures, presses shutter;
3) open the imaging countdown of 1-2s, before judging whether, just carried out focusing or the photometry of manual triggers simultaneously, or picture detects and do not need again to focus, enter step 5), otherwise enter step 4)
4) if current be recognition mode, if any people's face chase after Jiao again people's face chase after Jiao once, otherwise use last focusing mode again to focus;
5) make focusing or light measuring function locking, guarantee position of focal plane just now;
6) take pictures after countdown finishes, if focusing or photometry complete, execution is taken pictures, and carries out imaging action, otherwise wait for focusing or photometry complete after execution take pictures, complete imaging action.
Above-described embodiment is only for the present invention is described, and not as limitation of the invention.So long as according to technical spirit of the present invention, to above-described embodiment change, modification etc. all will drop in the scope of claim of the present invention.

Claims (12)

1. prevent that hand-held racket from, according to shake or the fuzzy photographic method of focusing, is characterized in that, press soon behind the door, enter imaging countdown; Judgement simultaneously presses whether completed focusing or photometry before shutter, or readability do not need again to focus, and if so, will automatically focus and automatic light measuring locking, keeps focusing or photometry formerly, carries out imaging when imaging countdown finishes; Otherwise, focus or photometry, and carry out imaging when imaging countdown finish.
2. according to claim 1ly prevent that hand-held racket from, according to shake or the fuzzy photographic method of focusing, is characterized in that, if when imaging countdown finishes, do not complete focusing or photometry, in focusing or photometry, carry out imaging after completing.
According to claim 1 prevent hand-held racket according to shake or the fuzzy photographic method of focusing, it is characterized in that, if default need to again focusing or the situation of photometry appears in picture, do not lock focusing or photometry, re-start focusing or photometry once, then locking focusing or photometry.
According to claim 3 prevent hand-held racket according to shake or the fuzzy photographic method of focusing, it is characterized in that, before imaging countdown finishes, when the threshold values that the readability that focusing detected does not meet setting need to be focused again, in imaging countdown process, trigger focusing or photometry again.
According to claim 4 prevent hand-held racket according to shake or the fuzzy photographic method of focusing, it is characterized in that, if front, be once region focusing or the photometry of clicking screen, what again trigger is also to the focusing in this region or photometry, if middle section focusing or photometry automatically, what again trigger is also middle section focusing or photometry automatically.
6. according to the hand-held racket that prevents described in claim 3 or 4 or 5, shine shake or the fuzzy photographic method of focusing, it is characterized in that, under recognition of face pattern, when the threshold values that if people's face data are grown out of nothing, the displacement of people's face surpass to be set, people's face number change, what carry out is that human face region chased after to Jiao or photometry.
According to claim 6 prevent hand-held racket according to shake or the fuzzy photographic method of focusing, it is characterized in that, after recognition of face completes, the position of knowing others face is converted into focusing plane coordinate system, by fastening variation at focusing plane coordinates, the displacement of judgement people face to knowing the coordinate of others face.
According to claim 6 prevent hand-held racket according to shake or the fuzzy photographic method of focusing, it is characterized in that, multiple focusing mode only allows to exist a kind of mode to carry out simultaneously, and triggering authority is followed successively by from big to small: the focusing of people's face, manually region focusing, middle section focusing.
9. the shake of hand-held racket photograph or the fuzzy photographic method of focusing of preventing according to claim 1, is characterized in that, described shutter comprises software shutter or hardware shutter.
10. prevent that hand-held racket from, according to shake or the fuzzy mobile terminal of taking pictures of focusing, is characterized in that, comprising:
Shutter, for triggering imaging request;
Photo module, for completing whole imaging flow process, comprises imaging countdown and imaging action;
Focusing photometry module, for automatically triggering focusing or photometry, or manual triggers focusing or photometry, when possessing people's face and chase after burnt function, for realizing the focusing of people's face position;
Fuzzy detection module, for detection of current fuzzy pictures degree;
Focusing photometry locking module, for focusing or the photometry state of current picture are kept, and triggers no longer again;
Countdown module, for focusing or time of photometry are provided, and user's time of taking pictures and preparing.
11. shake of hand-held racket photograph or the fuzzy mobile terminals of taking pictures of focusing of preventing according to claim 10, is characterized in that, photo module drives shutter by the corresponding interface; By the corresponding interface, drive Focusing module to work; By the corresponding interface, drive focusing photometry locking module to work; Be embodied as picture countdown.
12. shake of hand-held racket photograph or the fuzzy mobile terminals of taking pictures of focusing of preventing according to claim 10, is characterized in that, also comprise that people's face chases after burnt module, under recognition of face pattern, for people's face position, focus.
CN201410443356.2A 2014-09-02 2014-09-02 It is a kind of to prevent hand-held racket according to shake or focusing fuzzy photographic method and mobile terminal Active CN104168425B (en)

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WO2021037285A1 (en) * 2019-08-28 2021-03-04 深圳市道通智能航空技术有限公司 Light measurement adjustment method, apparatus, device, and storage medium
CN113660426A (en) * 2021-09-08 2021-11-16 英望科技(山东)有限公司 Method and system for preventing photographing jitter of user and computer readable storage medium
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