CN102316261A - Method for regulating light sensitivity of digital camera - Google Patents
Method for regulating light sensitivity of digital camera Download PDFInfo
- Publication number
- CN102316261A CN102316261A CN2010102207164A CN201010220716A CN102316261A CN 102316261 A CN102316261 A CN 102316261A CN 2010102207164 A CN2010102207164 A CN 2010102207164A CN 201010220716 A CN201010220716 A CN 201010220716A CN 102316261 A CN102316261 A CN 102316261A
- Authority
- CN
- China
- Prior art keywords
- image
- photosensitivity
- digital camera
- adjustment
- subject matters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a method for regulating the light sensitivity of a digital camera. The method comprises the following steps of: acquiring a live view image corresponding to a plurality of suitable targets by utilizing a shooting module; causing a flash lamp to emit preflash, and acquiring a preflah image corresponding to the suitable targets by utilizing the shooting module; calculating a reflected image according to the live view image and the preflash image; judging the presentation positions of the suitable targets in the preflash image by using the reflection information of each position on the reflected image; executing an identification program for the presentation positions to find image information presenting the suitable targets from the preflash image; judging whether the suitable targets belong to more than two depths of field or not according to the image information of the suitable targets; and when the suitable targets belong to more than two depths of field, regulating the current light sensitivity of the shooting module. By the method, relative distances among the suitable targets are judged as references by the images acquired before and after the pre-flashing of the flash lamp, and a relatively better image is acquired in the supplementary lighting state of the flash lamp.
Description
Technical field
The present invention relates to a kind of method of adjustment of camera parameter of digital camera, particularly a kind of method of adjustment of photosensitivity of digital camera.
Background technology
Along with the development of digital camera, make that photography no longer is expensive consumption.The user can be random the desired image of shooting, in order to write down memorable a moment or scene.
When taking, general user hopes that taken photo is apparent.So, when photographic subjects thing (can be landscape, personage or article), all to adjust suitably for the focal length and the brightness of object, just can photograph satisfied photo.
Along with the progress of science and technology, digital camera provides the function of automatic setting camera parameter mostly.In general, digital camera calculates suitable camera parameter to object.
Wherein, the photoflash lamp of the digital camera light quantity of launching can be adjusted according to the distance between digital camera and the object.
The relation of the flash intensity of photoflash lamp and the distance of object and aperture-coefficient value can be expressed as: GN=f * L.Wherein, GN represents flash intensity (that is guide number GN, Guide Number), and f is an aperture-coefficient, and L is the distance between object and the digital camera.Guide number is the value of the luminous intensity of the amount of commenting photoflash lamp, and is a main basic index of expression photoflash lamp performance.
In the coverage of digital camera, all a plurality of subject matters can be arranged usually.In general, digital camera all is as object with one of them subject matter.Because digital camera is to carry out light filling to object when taking, in therefore captured the image, with respect to object, the image of the subject matter far away apart from digital camera all can comparatively blur and/or brightness relative dark excessively.
Summary of the invention
In view of above problem, the object of the present invention is to provide a kind of method of adjustment of photosensitivity of digital camera, by solving at least one problem of existing in prior technology.
The method of adjustment of the photosensitivity of the digital camera that the present invention disclosed is applied to a digital camera.This digital camera comprises a photoflash lamp and a photographing module.
At first, utilize the preview image of photographing module acquisition corresponding to a plurality of subject matters.Then, cause photoflash lamp to send the preflashing flash of light, and utilize the preflashing image of photographing module acquisition corresponding to these a little subject matters.Then, calculate a reflected image, and the reflective information of each location point on the reflected image determines the position that manifests of subject matter in the preflashing image through preview image and preflashing image.Carry out an identification program to the position that manifests that obtains again, finding out the image information that shows subject matter in the preflashing image, and judge according to the image information of the subject matter of finding out whether these a little subject matters belong to the two or more different depth of field.
When these a little subject matters belong to the two or more different depth of field, the current photosensitivity of adjustment photographing module.After the current photosensitivity of adjustment photographing module, can cause photoflash lamp to send the preflashing flash of light once more, and utilize photographing module to capture the preflashing image of subject matter once more, with reference as other camera parameter.
When the subject matter in digital camera the place ahead all belongs to the identical depth of field, then do not carry out the adjustment of the current photosensitivity of photographing module, and calculate the flash intensity of the main light that sparkles with the preflashing eiconometer.
Wherein, each subject matter can be people's face, and identification program can be a human face recognition program.
In this, can be through relatively the monochrome information of preview image and the monochrome information of preflashing image obtain reflected image.
In the adjustment of photosensitivity, can directly the photosensitivity of photographing module be heightened a times into current photosensitivity.Moreover, also can adjust according to the setting option or the specific subject matter of the photosensitivity of photographing module.
Method of adjustment according to the photosensitivity of digital camera of the present invention can be carried out the relative distance that the image that captures before and after the preflashing is judged the subject matter in the image capture scope through photoflash lamp; With reference, and then can, photoflash lamp capture the image of better quality under carrying out the state of light filling as the current photosensitivity of adjustment digital camera.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is the schematic diagram of one digital camera according to the present invention;
Fig. 2 is the flow chart of the method for adjustment of the photosensitivity of digital camera according to an embodiment of the invention;
Fig. 3 is the thin portion flow chart of step 240 according to an embodiment of the invention;
Fig. 4 is the thin portion flow chart of step 260 according to an embodiment of the invention;
Fig. 5 is the sketch map of the picture of finding a view according to an embodiment of the invention.
Wherein, Reference numeral
100 digital cameras
110 photographing modules
112 lens group
114 photosensory assemblies
120 photoflash lamps
130 storage elements
140 processing units
150 displays
A image block
B image block
C image block
D image block
E image block
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:
In this; Method of adjustment according to the photosensitivity of digital camera of the present invention can be carried out the relative distance that the image (preview image and preflashing image) that captures before and after the preflashing is judged the subject matter in the image capture scope through photoflash lamp; With reference, and then can, photoflash lamp capture the image of better quality under carrying out the state of light filling as the current photosensitivity of adjustment digital camera.
Please with reference to Fig. 1, digital camera 100 can comprise: photographing module 110, photoflash lamp 120, storage element 130, processing unit 140 and display 150.Photographing module 110 comprises lens group 112 and photosensory assembly 114.
The running of digital camera 100 can be divided into preview phase (live view), focusing stage (autofocusing), preflashing stage and photographing phase.
Preview phase is meant that the user pushes the shutter key moment before of digital camera 100.In preview phase, the user can be through display 150 previews of digital camera 100 picture of finding a view.
Focusing stage is meant that the user is in half moment by the shutter key of digital camera 100.In focusing stage; Digital camera 100 can be with in the subject matter in the picture of finding a view one or more as object; And the object distance of adjustment lens group 112 and object; And the user can pass through the find a view picture of display 150 previews of digital camera 100 to defocused (that is after, the object distance adjustment is accomplished).
The preflashing stage is meant can send preflashing flash of light to defocused photoflash lamp 120, and digital camera 100 is through the image of the corresponding current picture of finding a view of photographing module 110 acquisitions, with the reference as the flash intensity of photographing phase.
Photographing phase is meant that the user presses the moment of the shutter key of digital camera 100 entirely.In photographing phase, digital camera 100 through photographing module 110 take current find a view picture and will take the picture of finding a view be recorded as an image.
In this, the preview image is meant the image that digital camera 100 is captured in preview phase or focusing stage.The preflashing image then is meant the image that digital camera 100 was captured in the preflashing stage.
In other words, can software according to the method for adjustment of the photosensitivity of digital camera of the present invention or firmware program be implemented on the digital camera 100.Promptly; Can be stored in the storage element 130 of digital camera 100 in order to the program code of execution according to the method for adjustment of the photosensitivity of digital camera of the present invention; Read and carry out the program code of storage again by the processing unit 140 of digital camera 100, its photosensitivity of selectivity adjustment so that digital camera 100 is carried out according to the method for adjustment of the photosensitivity of digital camera of the present invention.
Wherein, processing unit 140 can be by one or more processors, for example: digital signal processor (digitalsignal processor; DSP) etc., realize.Storage element 130 can be realized by one or more holders.Holder can be non-volatility memory or is the volatility memory body.
Fig. 2 is the flow chart of the method for adjustment of the photosensitivity of digital camera according to an embodiment of the invention.
With reference to Fig. 1 and Fig. 2, at first, utilize photographing module 110 acquisition corresponding to a preview image (step 210) at a plurality of subject matters in digital camera 100 the place aheads.
Then, cause photoflash lamp 120 to send the preflashing flash of light, and under the light filling of preflashing flash of light, utilize the preflashing image (step 220) of photographing module 110 acquisitions corresponding to these a little subject matters.
Preview image and preflashing eiconometer through capturing are calculated a reflected image (step 230).In this, can obtain reflected image through the monochrome information of comparison preview image and the monochrome information of preflashing image, in other words, reflected image is corresponding to the difference between the monochrome information of the monochrome information of preview image and preflashing image.
What the reflective information of each location point on the reflected image determined subject matter in the preflashing image manifests position (step 240).That is to say, can determine the block that possibly belong to the image of subject matter in the preflashing image through the reflective information of observing each location point on the reflected image.Wherein reflective information can be volume reflection (that is the difference of the monochrome information of preview image and preflashing image same position) or reflectivity.Wherein, each location point can be a pixel or the image block of a specific dimensions.
Manifest the position and carry out an identification program to determining, to find out the image information (step 250) that shows subject matter in the preflashing image.In other words, utilize identification program for manifesting of preflashing image locational local image carry out the identification of subject matter, to find out the image block (that is image information) that belongs to subject matter.
Judge according to the image information of the subject matter of finding out whether subject matter belongs to the two or more different depth of field (step 260).In this, can learn whether a plurality of subject matters in digital camera 100 the place aheads drop on two kinds of different focusing ranges of digital camera 100 through the image information that calculates subject matter.
When the subject matter in digital camera 100 the place aheads belongs to two kinds of different depth of field, then adjust the current photosensitivity (step 270) of photographing module 110, be positioned at the brightness of the image of subject matter far away relatively with increase.That is to say that when a plurality of subject matters in digital camera 100 the place aheads dropped on two kinds of different focusing ranges of digital camera 100,100 of digital cameras can be adjusted current photosensitivity, to consider the brightness of subject matter far away relatively.
And, after the current photosensitivity of adjustment photographing module 110, can cause photoflash lamp 120 to send the preflashing flash of light once more, and utilize photographing module 110 to capture the preflashing image of subject matter once more, with reference (step 280) as other camera parameter.For example: can calculate the flash intensity (step 290) of the main light that sparkles according to the preflashing eiconometer of obtaining once more.
When the subject matter in digital camera 100 the place aheads all belongs to the identical depth of field, then do not carry out the adjustment of the current photosensitivity of photographing module 110, and calculate the flash intensity (step 290) of the main light that sparkles with the preflashing eiconometer.
When taking, the master who then causes photoflash lamp 120 to send to have the flash intensity that the calculates light that sparkles, and utilize the digitized video of photographing module 110 acquisition subject matters.
Wherein, subject matter can be people's face, and this moment, identification program then was people's face identification program.Yet this is not restriction of the present invention.Can be at least a feature object in people's face, building, animal, plant, the vehicles, sign and the special article and subject matter is set according to actual demand.
With reference to Fig. 3, in step 240, one first threshold values capable of using come with reflected image on the reflective information of each location point compare (step 241).
When reflective information during, then manifest position (step 242) with what the location point (that is, its reflective information is greater than the location point of threshold values) of correspondence was judged to be subject matter greater than first threshold values.
And when reflective information is less than or equal to first threshold values, then the location point (that is, its reflective information is less than or equal to the location point of threshold values) of correspondence is judged to manifest position (step 243) for subject matter.
With reference to Fig. 4, in step 260, can the pairing reflective information of the image information of the subject matter of finding out be compared (step 261) each other, and comparative result is compared (step 262) with one second threshold values.In this, can the pairing reflective information of the image information of any two subject matters be compared each other, to obtain the result that all subject matters are compared in twos.Or the pairing reflective information of image information of the subject matter that photographing module 110 is focused is compared with the pairing reflective information of the image information of other subject matter one by one.
When the otherness (that is, comparative result) of the pairing reflective information of any two subject matters during, judge that a plurality of subject matters in digital camera 100 the place aheads belong to the two or more different depth of field (step 263) greater than second threshold values.
When the otherness (that is, comparative result) of all pairing reflective informations of two subject matters all less than or etc. during second threshold values, judge that a plurality of subject matters in digital camera 100 the place aheads belong to the single depth of field (step 264).
Describe as subject matter with people's face in this.With reference to Fig. 5, the image block A in the image, B, C, D belong to 4 subject matters respectively.Can be on identical relative position in the preview image with the same image block A/B/C/D in the preflashing image.
Compared to belonging to the non-subject matter image block E of (like, background), the difference between the monochrome information of identical image block A/B/C/D is comparatively big in the monochrome information of the image block A/B/C/D of subject matter and the preflashing image in the preview image.In other words, the image block E of non-relatively subject matter (like, background), monochrome information and the variation (otherness) monochrome information in preflashing image between of same image block A/B/C/D in the preview image is bigger.Therefore, the reflective information of each location point in the reflected image is compared with second threshold values, can obtained to be the position of image block A, B, C, D greater than the location point of second threshold values through finding out reflective information.And then carry out people's face to the position of finding out again and distinguish that the visual range preface is to confirm image block A, B, C, D (that is 4 people's faces).
Then, compare the monochrome information of image block A, B, C, D, to confirm that whether image block A, B, C, D are in the depth of field inequality.
For instance; Can the monochrome information of image block A, B, C, D be compared in twos, with the difference of the monochrome information of the difference of the monochrome information of the difference of the monochrome information of the difference of the monochrome information of the difference of the monochrome information that obtains image block A, B, image block A, C, image block A, D, image block B, C, image block B, D and, the difference of the monochrome information of image block C, D.Six differences that will obtain are again compared with second threshold values, to confirm whether difference is arranged greater than second threshold values.If there is difference to represent promptly that greater than second threshold values image block A, B, C, D are the different depth of field that belongs to two or more.With Fig. 5, image block A, B, C, D then belong to three kinds of different depth of field.That is, image block A belongs to the different depth of field with other three (image block B, C, D), and image block D also belongs to the different depth of field with other three (image block A, B, C).
In another embodiment; Suppose that digital camera 100 is to focus on the pairing subject matter of image block D; Then compare with other three (image block A, B, C), with the difference of the monochrome information of the difference of the monochrome information of the difference of the monochrome information that obtains image block D, A, image block D, B and image block D, C with the monochrome information of image block D.Three differences that will obtain are again compared with second threshold values, to confirm whether difference is arranged greater than second threshold values.If there is difference to represent promptly that greater than second threshold values image block A, B, C, D are the different depth of field that belongs to two or more.
In step 270, can when confirming that subject matter in digital camera 100 the place aheads belongs to two kinds of different depth of field, directly the photosensitivity of photographing module 110 be heightened a times into current photosensitivity.Moreover, also can select to adjust according to the setting option or the specific subject matter of the photosensitivity of photographing module 110.
Setting option with regard to according to the photosensitivity of photographing module 110 is adjusted; When confirming that subject matter in digital camera 100 the place aheads belongs to two kinds of different depth of field, can in regular turn current photosensitivity be improved a rank according to the setting option of the photosensitivity of photographing module 110.For instance, the setting option of supposing the photosensitivity of the photographing module 110 that digital camera 100 provides is 50,100,200,400,800 and 1600, and current photosensitivity is set at 100.When confirming that subject matter in digital camera 100 the place aheads belongs to two kinds of different depth of field, then the photosensitivity of photographing module 110 being heightened from 100 is 200.
With regard to according to specific subject matter, can be one or more in the reference of subject matter as calculate adjusting values from all subject matters in digital camera 100 the place aheads, selecting, and then again with the current photosensitivity of the adjusted value adjustment photographing module that calculates 110.
Wherein, can select of the reference of the darkest subject matter of the depth of field, promptly calculate the adjusted value of photosensitivity with the image information of the darkest subject matter of the depth of field as calculate adjusting values.
Or be, can select subject matter beyond the object, promptly calculate the adjusted value of photosensitivity according to the image information of the subject matter that falls within the depth of field beyond the depth of field that photographing module 110 focused as the reference of calculate adjusting values.In this, can select the depth of field to calculate the adjusted value of photosensitivity greater than the image information of the subject matter of the depth of field of object.
With subject matter shown in Figure 5, suppose that subject matter behaviour face and digital camera 100 are to focus on the pairing subject matter of image block D.At this moment, can select the image information of image area piece A to calculate the adjusted value of photosensitivity, or select the image information of one or two image block among image block A, B, the C to calculate the adjusted value of photosensitivity.
In above description, Fig. 1 and Fig. 2 are not to censure specific components or order in order to limit only in order to indicate two assemblies (two threshold values).
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the method for adjustment of the photosensitivity of a digital camera, this digital camera comprises a photoflash lamp and a photographing module, it is characterized in that, the method for adjustment of the photosensitivity of this digital camera comprises:
Utilize the preview image of this photographing module acquisition corresponding to a plurality of subject matters;
Cause this photoflash lamp to send preflashing flash of light, and utilize the preflashing image of this photographing module acquisition corresponding to those subject matters;
Calculate a reflected image through this preview image and this preflashing image;
The reflective information of each location point on this reflected image determines the position that manifests of those subject matters in this preflashing image;
Manifest the position to those and carry out an identification program, to find out the image information that shows those subject matters in this preflashing image;
Judge according to those image informations of those subject matters whether those subject matters belong to the two or more different depth of field; And
When those subject matters belong to two or more this different depth of field, adjust the current photosensitivity of this photographing module.
2. the method for adjustment of the photosensitivity of digital camera according to claim 1 is characterized in that, respectively this subject matter is people's face, and this identification program is a human face recognition program.
3. the method for adjustment of the photosensitivity of digital camera according to claim 1; It is characterized in that; The said step of calculating a reflected image through this preview image and this preflashing image comprises: obtain this reflected image through the relatively monochrome information of this preview image and the monochrome information of this preflashing image, wherein this reflected image is corresponding to the difference between the monochrome information of the monochrome information of this preview image and this preflashing image.
4. the method for adjustment of the photosensitivity of digital camera according to claim 1 is characterized in that, the step that manifests the position that the reflective information of said each location point on this reflected image determines those subject matters in this preflashing image comprises:
Those reflective informations are compared with a threshold values;
When this reflective information during greater than this threshold values, this corresponding location point is judged to be the position that manifests of those subject matters; And
When this reflective information was less than or equal to this threshold values, this corresponding location point judged be not the position that manifests of those subject matters.
5. the method for adjustment of the photosensitivity of digital camera according to claim 1 is characterized in that, said those image informations according to those subject matters judge that the step whether those subject matters belong to the two or more different depth of field comprises:
Pairing those reflective informations of the image information of those subject matters are compared each other; And
When the otherness of pairing those reflective informations of two these subject matters in those subject matters during, judge that those subject matters belong to two or more this different depth of field greater than a threshold values.
6. the method for adjustment of the photosensitivity of digital camera according to claim 1 is characterized in that, the step of the photosensitivity that this photographing module of said adjustment is current comprises:
Setting option according to this photosensitivity of this photographing module improves a rank with this current photosensitivity in regular turn.
7. the method for adjustment of the photosensitivity of digital camera according to claim 1 is characterized in that, the step of the photosensitivity that this photographing module of said adjustment is current comprises:
This photosensitivity of this photographing module is heightened a times into this current photosensitivity.
8. the method for adjustment of the photosensitivity of digital camera according to claim 1 is characterized in that, the step of the photosensitivity that this photographing module of said adjustment is current comprises:
Calculate an adjusted value of this photosensitivity according to this image information of at least one this subject matter of this darkest in those depth of field that belong under those subject matters depth of field; And
With this current photosensitivity of this adjusted value this photographing module of adjustment.
9. the method for adjustment of the photosensitivity of digital camera according to claim 1 is characterized in that, the step of the photosensitivity that this photographing module of said adjustment is current comprises:
Calculate an adjusted value of this photosensitivity according to this image information of at least one this subject matter that belongs at least one this depth of field beyond this depth of field that this photographing module is focused in those affiliated depth of field of those subject matters; And
With this current photosensitivity of this adjusted value this photographing module of adjustment.
10. the method for adjustment of the photosensitivity of digital camera according to claim 1 is characterized in that, also comprises:
After the current photosensitivity of this photographing module of adjustment, cause this photoflash lamp to send this preflashing flash of light once more, and utilize this photographing module to capture this preflashing image of those subject matters once more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010220716.4A CN102316261B (en) | 2010-07-02 | 2010-07-02 | Method for regulating light sensitivity of digital camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010220716.4A CN102316261B (en) | 2010-07-02 | 2010-07-02 | Method for regulating light sensitivity of digital camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102316261A true CN102316261A (en) | 2012-01-11 |
| CN102316261B CN102316261B (en) | 2015-05-13 |
Family
ID=45429050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010220716.4A Expired - Fee Related CN102316261B (en) | 2010-07-02 | 2010-07-02 | Method for regulating light sensitivity of digital camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102316261B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092954A (en) * | 2014-07-25 | 2014-10-08 | 北京智谷睿拓技术服务有限公司 | Flash control method and control device and image collection method and collection device |
| CN104092956A (en) * | 2014-07-31 | 2014-10-08 | 北京智谷睿拓技术服务有限公司 | Flash control method, flash control device and image acquisition equipment |
| CN104853107A (en) * | 2014-02-19 | 2015-08-19 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN105245790A (en) * | 2015-10-15 | 2016-01-13 | 广东欧珀移动通信有限公司 | Light filling method, device and mobile terminal |
| CN105991939A (en) * | 2015-06-19 | 2016-10-05 | 乐视移动智能信息技术（北京）有限公司 | Image processing method and device |
| CN110933304A (en) * | 2019-11-27 | 2020-03-27 | RealMe重庆移动通信有限公司 | Method and device for determining to-be-blurred region, storage medium and terminal equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1520163A (en) * | 2003-01-09 | 2004-08-11 | ���ְ�˹��ʽ���� | Digital camera |
| CN1525233A (en) * | 2003-02-27 | 2004-09-01 | 佳能株式会社 | Strobe light photographing system |
| US20060216012A1 (en) * | 2005-03-22 | 2006-09-28 | Lee-Ren Kuo | Method for focusing by using a pre-flash |
| CN101441386A (en) * | 2007-11-20 | 2009-05-27 | 鸿富锦精密工业（深圳）有限公司 | Photographing method and device |
| US20090162046A1 (en) * | 2007-12-19 | 2009-06-25 | Canon Kabushiki Kaisha | Imaging apparatus, camera system, and controlling method therefor |
-
2010
- 2010-07-02 CN CN201010220716.4A patent/CN102316261B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1520163A (en) * | 2003-01-09 | 2004-08-11 | ���ְ�˹��ʽ���� | Digital camera |
| CN1525233A (en) * | 2003-02-27 | 2004-09-01 | 佳能株式会社 | Strobe light photographing system |
| US20060216012A1 (en) * | 2005-03-22 | 2006-09-28 | Lee-Ren Kuo | Method for focusing by using a pre-flash |
| CN101441386A (en) * | 2007-11-20 | 2009-05-27 | 鸿富锦精密工业（深圳）有限公司 | Photographing method and device |
| US20090162046A1 (en) * | 2007-12-19 | 2009-06-25 | Canon Kabushiki Kaisha | Imaging apparatus, camera system, and controlling method therefor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853107A (en) * | 2014-02-19 | 2015-08-19 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN104092954A (en) * | 2014-07-25 | 2014-10-08 | 北京智谷睿拓技术服务有限公司 | Flash control method and control device and image collection method and collection device |
| CN104092956A (en) * | 2014-07-31 | 2014-10-08 | 北京智谷睿拓技术服务有限公司 | Flash control method, flash control device and image acquisition equipment |
| CN104092956B (en) * | 2014-07-31 | 2018-02-02 | 北京智谷睿拓技术服务有限公司 | Flash control method, flash of light control device and image capture device |
| CN105991939A (en) * | 2015-06-19 | 2016-10-05 | 乐视移动智能信息技术（北京）有限公司 | Image processing method and device |
| CN105245790A (en) * | 2015-10-15 | 2016-01-13 | 广东欧珀移动通信有限公司 | Light filling method, device and mobile terminal |
| CN105245790B (en) * | 2015-10-15 | 2019-04-26 | Oppo广东移动通信有限公司 | A kind of light compensation method, device and mobile terminal |
| CN110933304A (en) * | 2019-11-27 | 2020-03-27 | RealMe重庆移动通信有限公司 | Method and device for determining to-be-blurred region, storage medium and terminal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102316261B (en) | 2015-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8294785B2 (en) | Method for adjusting photosensitiveness of digital camera | |
| US8666191B2 (en) | Systems and methods for image capturing | |
| US8289441B2 (en) | Imaging apparatus and imaging control method | |
| CN100379265C (en) | Image capture apparatus and control method therefor | |
| CN102006422B (en) | Backlight shooting method | |
| JP2007281547A (en) | Imaging apparatus and imaging method | |
| CN103685875A (en) | Imaging apparatus | |
| CN102316261A (en) | Method for regulating light sensitivity of digital camera | |
| JP2013021658A (en) | Imaging device and control method of the same | |
| CN101867716A (en) | Adjusting method for digital image capturing conditions and digital photographing device | |
| CN101196670A (en) | Field depth encompassed shooting method and device | |
| JP2019086775A (en) | Image processing device, control method thereof, program, and storage medium | |
| CN103685910A (en) | Imaging apparatus | |
| US10212330B2 (en) | Autofocusing a macro object by an imaging device | |
| KR20120115823A (en) | Digital image photographing apparatus and method for controlling the same | |
| CN108322651A (en) | Image pickup method and device, electronic equipment, computer readable storage medium | |
| CN103299238A (en) | Imaging device and light emission amount control method | |
| JP6467190B2 (en) | EXPOSURE CONTROL DEVICE AND ITS CONTROL METHOD, IMAGING DEVICE, PROGRAM, AND STORAGE MEDIUM | |
| TW201349854A (en) | Image pickup device and image synthesis method thereof | |
| JP2007235893A (en) | Method for controlling imaging device and solid-state imaging device | |
| JP2013165318A (en) | Imaging apparatus | |
| CN106559614A (en) | Method, device and the terminal taken pictures | |
| JP2010114566A (en) | Imaging apparatus, imaging method, and program | |
| US10386701B1 (en) | Mobile device enabling collaboration with flashes of other devices and method thereof | |
| JP2009042621A (en) | Imaging apparatus and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20190702 |