CN101025546A - Automatic shooting method and system - Google Patents
Automatic shooting method and system Download PDFInfo
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- CN101025546A CN101025546A CN 200610008582 CN200610008582A CN101025546A CN 101025546 A CN101025546 A CN 101025546A CN 200610008582 CN200610008582 CN 200610008582 CN 200610008582 A CN200610008582 A CN 200610008582A CN 101025546 A CN101025546 A CN 101025546A
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Abstract
This invention relates to a sort of automatic shot method, which contains some process below: acquire the first image; a moment later acquire the second image; acquire the first sub-graph from the analysis area of the first image; acquire the second sub-graph from the analysis area of the second image; decide the difference between the second sub-graph and the first sub-graph whether satisfy the condition or not. If satisfaction acquired the third image and then store it in the memory.
Description
Technical field
The present invention is associated with a kind of digital picture capturing device, particularly a kind of automatic shooting method and system.
Background technology
Digital picture capturing device (digital image acquisition apparatuses), as digital camera, digital camera etc., automatic timer (self-timers) is equipped with usually, be used to one period regular time after, after 3 or 5 seconds, the automatic shooting image.Yet the theme that is taken (subject) as the human or animal, not necessarily can reach static state fully after this regular time.Therefore, need a kind of automatic shooting method and system, drive the automatic shooting function in order to mobile status according to the theme that is taken.
Summary of the invention
In view of this, purpose of the present invention drives the automatic shooting function for a kind of automatic shooting method and system are provided in order to the mobile status according to the theme that is taken.
The embodiment of the invention discloses a kind of automatic shooting method, is applied to comprise in the digital picture capturing device of graphics processing unit and memory storage.Its method comprises the following step: obtain first image; After waiting for the time, obtain second image; Obtain first subimage the analyzed area from first image; Obtain second subimage the analyzed area from second image; Determine whether the difference between first subimage and second subimage satisfies preset condition, this is pre-conditioned as if satisfying, and is then obtained the 3rd image and is stored the 3rd image to memory storage by graphics processing unit.
In some cases, before this method also can be included in and obtain first subimage and second subimage, RGB data in first image are converted to gray scale, shadow tone or brightness data, and the RGB data in second image are converted to gray scale, shadow tone or brightness data.
In some cases, this method obtains the 4th image before also can being included in and obtaining first image; Obtain the 5th image; And the zone that determines to have between the 4th image and the 5th image identical imaging data is an analyzed area.Wherein, has same or analogous pixel data between the analyzed area of the 4th image and the 5th image.This method also can obtain first subimage in the analyzed area of first image, and obtains second subimage in the analyzed area of second image.In obtaining the 5th image step, also can comprise: adjust digital picture capturing device in maximum ring, obtain first setting value; According to the first setting value control figure image acquiring device, and obtain the 5th image by graphics processing unit.In obtaining the 4th image step, can also comprise: decision comprises one second setting value of one first aperture; According to the second setting value control figure image acquiring device, and obtain the 4th image by graphics processing unit.Wherein, in determining the second setting value step, can carry out automatic focusing, automatic exposure decision and Automatic white balance program and decide second setting value that comprises second focal length, first aperture and second shutter.
The embodiment of the invention discloses a kind of computer-readable storage medium in addition, stores a computer program, when this computer program is written into and carries out by a digital picture capturing device, carries out described automatic shooting method.
The also disclosed a kind of automatic shooting of embodiment of the invention system comprises image acquisition unit, memory storage and processing unit.Processing unit is coupled to graphics processing unit and memory storage.Image acquisition unit is in order to obtain first image and second image.Processing unit is obtained second subimage in order to obtain first subimage from first image from second image, determines whether the difference between first subimage and second subimage satisfies a default condition; Wherein, if first subimage and when stating difference between second subimage and satisfying preset condition is obtained the 3rd image and is stored to described memory storage by image acquisition unit.
In some cases, processing unit can be before obtaining first subimage and second subimage, RGB data in first image are converted to gray scale, shadow tone or brightness data, and the RGB data in second image are converted to gray scale, shadow tone or brightness data.
In some cases, processing unit can be obtained the 4th image before obtaining first image, obtain the 5th image, and the zone that determines to have between the 4th image and the 5th image identical imaging data is an analyzed area.Wherein, can have same or analogous pixel data between the analyzed area of the 4th image and the 5th image.The automatic shooting system also can comprise autozoom motor driver, shutter motor driver and aperture motor driver.Processing unit can be under the maximum ring condition, decision comprises first setting value of first focal length, maximum ring and first shutter, and, obtain the 5th image by graphics processing unit according to behind first setting value control autozoom motor driver, shutter motor driver and the aperture motor driver.Processing unit can be carried out focusing automatically and automatic exposure determination procedure and decide first setting value that comprises first focal length, maximum ring and first shutter under the maximum ring condition.Processing unit can determine to comprise second setting value of second focal length, first aperture and second shutter, and, obtain the 4th image by graphics processing unit according to behind second setting value control autozoom motor driver, shutter motor driver and the aperture motor driver.Processing unit can be carried out automatic focusing, automatic exposure decision and Automatic white balance program and decide second setting value that comprises second focal length, first aperture and second shutter.
In some cases, automatic shooting system also can comprise autozoom motor driver, shutter motor driver and aperture motor driver.Behind processing unit may command autozoom motor driver, shutter motor driver and the aperture motor driver, obtain first image by graphics processing unit.Behind processing unit may command autozoom motor driver, shutter motor driver and the aperture motor driver, obtain second image by graphics processing unit.Behind processing unit may command autozoom motor driver, shutter motor driver and the aperture motor driver, obtain the 3rd image by graphics processing unit.
Description of drawings
Fig. 1 represents the hardware structure diagram according to the digital picture capturing device of the embodiment of the invention;
Fig. 2,3a, 3b are the method flow diagram according to the automatic shooting method of the embodiment of the invention;
The top view that Fig. 4 a, 4b arrange according to the shot object of the embodiment of the invention for expression;
Fig. 5 a, 5b are for representing the image example corresponding to 4a, 4b figure respectively;
Fig. 6 is the medium synoptic diagram of expression according to the automatic shooting of the embodiment of the invention.
Symbol description
The 10-digital picture capturing device; The 11-camera lens; 12-image detection chip; 13-front end signal processing unit; The 14-graphics processing unit; The 15-memory storage; 161-autozoom motor driver; 163-shutter motor driver; 165-aperture motor driver; The 171-tripper; The 173-aperture device; The 18-processing unit; S211, S221 ..., S241, S243-process step; S311, S313 ..., S351, S353-process step; 31-personage; The 32-background; The 33-tree; D ', D "-depth of field; The 60-medium; 620-automatically snaps computer program; The 621-decision comprises the setting value logic of focal length, aperture and shutter; 622-controls autozoom, shutter and aperture CD-ROM drive motor to obtain the image logic according to setting value; 623-decision analyzed area logic; Whether be with or without mobile object logic in the 624-check and analysis zone; 625-memory image logic.
Embodiment
Fig. 1 is the hardware structure diagram of expression according to the digital picture capturing device 10 of the embodiment of the invention.Digital picture capturing device 10 can comprise camera lens (lens) 11, image detection chip (image sensorchip) 12, front end signal processing unit (front end signal processor) 13, graphics processing unit (image processor) 14, memory storage 15, autozoom motor driver (autofocus motordriver) 161, shutter motor driver (shutter motor driver) 163, aperture motor driver (diaphragm motor driver) 165, tripper (shutter mechanism) 171, aperture device (diaphragm mechanism) 173 and processing unit 18.In addition, those skilled in the art also can be with the invention process in the configuration (configuration) of other portable electronic devices of tool image-acquisition functions, for example personal digital assistant (digital personal assistant, PDA), mobile phone (mobile phone) or other Portable consumption electronic products etc.Digital picture capturing device 10 is noted down color image get off in mode red, green and blue intensities, use different electric charges (charges) to note down to image detection chip 12 for different intensity, as complementary metal oxide semiconductor (CMOS) (complementary metal-oxide semiconductor, CMOS), (charge-coupled device is CCD) etc. in the image detection chip for charge coupled cell.Electric charge is actually simulating signal, needs to be converted to digital signal by front end signal processing unit 13, helps being stored in the memory storage 15, as flash memory (flash memory), CD (optical disk), hard disk (hard disk) etc.Graphics processing unit 14 can be with the digital signal after sensing and the processing, convert the data of multiple picture format to, as unite (the joint photographic experts group of figure expert group, JPEG), bit map (bitmap, BMP), (graphics interchange format GIF) waits form to GIF(Graphic Interchange format).Autozoom motor driver (autofocus motor driver) 161 is coupled to the motor of the autozoom camera lens (autofocus lens) in the camera lens 11, in order to the motor of control autozoom camera lens.Shutter motor driver 163 couples and controls the motor in the tripper 171, and aperture motor driver 165 couples and control the motor in the aperture device 173.
Fig. 2 is the method flow diagram according to the automatic shooting method of the embodiment of the invention, this method can by processing unit 18 in be written into and carry out computer program after implement.In step S211, obtain first image.In step S221, wait for a period of time.In step S223, obtain second image.In step S231, obtain first subimage of the analyzed area in first image.In step S233, obtain second subimage of the analyzed area in second image.In step S235, determine whether the difference between first subimage and second subimage satisfies preset condition, be the processing of then carrying out step S241.This pre-conditioned can be is greater than or less than an initial set value.In step S241, obtain the 3rd image by graphics processing unit 14.In step S243, store the 3rd image to memory storage 15.
Fig. 3 a, 3b are the method flow diagram according to the automatic shooting method of the embodiment of the invention, this method can by processing unit 18 in be written into and carry out computer program after implement.In step S311, at shot object, decision comprises first setting value (first configuration settings) of first focal length (focal length), first aperture (diaphragm) and first shutter (camera shutter).This step can carry out automatic focusing (automatic focus, AF), automatic exposure decision (automatic exposure, AE determination) and Automatic white balance three programs such as (auto-white balance) obtain this first setting value.Those skilled in the art know that all automatic focusing, automatic exposure decision and Automatic white balance program can use known algorithm of all kinds to finish, so not at this detailed description.In step S313, respectively by behind the motor 111 in autozoom motor driver 161, shutter motor driver 163, the aperture motor driver 165 control autozoom camera lenses, the motor and the motor in the aperture device 173 in the tripper 171, obtain first image according to first setting value by image detection chip 12, front end signal processing unit 13 and graphics processing unit 14.For promoting the efficient of computing, under preferable situation, the RGB data in first image can be treated to gray scale (grayscale), shadow tone (halftone), brightness (luminance) or other can reduce the data of color complexity.Those skilled in the art know that all the conversion between RGB data and gray scale, shadow tone or brightness data can use known algorithm of all kinds to finish, so not at this detailed description.The top view that Fig. 4 a arranges according to the shot object of the embodiment of the invention for expression.Comprise in the captured object of image acquiring device 10 and take personage 31, background 32 and set 33, and be D ' corresponding to the depth of field (depth of field) of first setting value.Fig. 5 a for expression corresponding to the image example of Fig. 4 a, wherein because personage 31, background 32 and set 33 and all fall into depth of field D ', so, personage 31, background 32 and set 33 and all have imaging clearly (image formation).
In step S321, at identical shot object, second setting value (secondconfiguration settings) of making decision and comprising second focal length, maximum ring and second shutter in maximum ring (maximum diaphragm) condition.This step can be carried out two programs such as automatic focusing and automatic exposure decision and obtain this second setting value.In step S323, respectively by behind the motor in autozoom motor driver 161, shutter motor driver 163, the aperture motor driver 165 control autozoom camera lenses, the motor and the motor in the aperture device 173 in the tripper 171, obtain second image according to second setting value by image detection chip 12, front end signal processing unit 13 and graphics processing unit 14.It is noted that in this, when the data in first image are gray scale, shadow tone, brightness or other can reduce the data of color complexity the time, the RGB data in second image also must be treated to corresponding gray scale, shadow tone, brightness or other can reduce the data of color complexity.4b figure is the top view that expression is arranged according to the shot object of the embodiment of the invention.Comprise in the captured object of image acquiring device 10 and take personage 31, background 32 and set 33, and be D " corresponding to the depth of field of second setting value.5b for expression corresponding to the image example of 4b figure, wherein, because have only personage 31 to fall into depth of field D ", so only personage 31 has imaging clearly, background 32 and set 33 and then have fuzzy imaging.
In step S331, relatively first and second image is to determine the analyzed area (analysis area) in first or second image.This step can be used image difference miscellaneous to detect algorithm and detect the subregion that has same or similar pixel data (can be RGB, gray scale, shadow tone, brightness data etc.) between first and second image, and then decision comprises the analyzed area of detected subregion.The difference value that detected subregion can be the pixel data between two images falls into the zone of default difference tolerance interval.With reference to figure 5a and 5b, the analyzed area of decision comprises the personage 31 in the image.With reference to 4a and 4b figure, owing to have only personage 31 in Fig. 4 a and Fig. 4 b, to have imaging clearly, therefore the interregional difference value that comprises personage 31 in two images is less than default difference admissible region, thereby the analyzed area that obtains determining comprises the personage 31 in the image.
In step S341, be the 3rd image with first image setting.Step S343 to step S349 be the loop of carrying out repeatedly, in detecting analyzed area, not have till the mobile object (comprising shot object).In step S343, wait for a period of time, as 0.5 second.In step S345, respectively by behind the motor in autozoom motor driver 161, shutter motor driver 163, the aperture motor driver 165 control autozoom camera lenses, the motor and the motor in the aperture device 173 in the tripper 171, obtain the 4th image according to first setting value by image detection chip 12, front end signal processing unit 13 and graphics processing unit 14.It is noted that in this, when the first gradation of image image, half tone image, luminance picture or other can reduce the image of color complexity, second image also must be treated to corresponding gray level image, half tone image, luminance picture or other can reduce the image of color complexity.In step S347, determine difference between the analyzed area of the 3rd and the 4th image whether less than initial set value, be the processing of then carrying out step S351, otherwise carry out the processing of step S349.In step S349, the 4th image is made as the 3rd image.
For instance, when the Rule of judgment of step S347 is the difference during whether less than initial set value that determines the analyzed area between the 3rd and the 4th image, the loop of execution repeatedly of step S343 to S349 then, two images that can be constantly more adjacent (that is being the 3rd image and the 4th image), when the difference between the analyzed area of two adjacent images during, represent the main body in analyzed area no longer mobile less than initial set value.
It is noted that in this, the Rule of judgment of step S347 also can change into determine the analyzed area between the 3rd and the 4th image difference whether greater than initial set value.When the Rule of judgment of step S347 is the difference during whether greater than initial set value that determines the analyzed area between the 3rd and the 4th image, the loop of execution repeatedly of step S343 to S349 then, two images that can be constantly more adjacent (that is being the 3rd image and the 4th image), when the difference between the analyzed area of two adjacent images during, represent the main body in analyzed area just beginning to move greater than initial set value.
In step S351, respectively by behind the motor in autozoom motor driver 161, shutter motor driver 163, the aperture motor driver 165 control autozoom camera lenses, the motor and the motor in the aperture device 173 in the tripper 171, obtain the 5th image according to first setting value by image detection chip 12, front end signal processing unit 13 and graphics processing unit 14.In step S353, store the 5th image to memory storage 15.
Moreover the present invention proposes a kind of medium and stores a computer program, and described computer program is in order to realize the automatic shooting method method, and this method can be carried out aforesaid step.Fig. 6 is the medium synoptic diagram of expression according to the automatic shooting of the embodiment of the invention.This medium 60 is in order to storage automatic shooting computer program 620.Its computer program comprises five logics, be respectively decision comprise the setting value logic 621 of focal length, aperture and shutter, according to setting value control autozoom, shutter and aperture CD-ROM drive motor to obtain image logic 622, to determine whether be with or without mobile object logic 624 and memory image logic 625 in analyzed area logic 623, the check and analysis zone.It is noted that in this,, be not limited thereto that the mode that those skilled in the art can also the entity circuit is finished this function though the embodiment of the invention implements to automatically snap function in the mode of software.
Though the present invention with preferred embodiment openly as above; right its is not that any those skilled in the art are under the situation that does not break away from the spirit and scope of the present invention in order to qualification the present invention; can carry out also moving and modification, so protection scope of the present invention is as the criterion with the claim institute restricted portion that is proposed.
Claims (17)
1. an automatic shooting method is applied in the digital picture capturing device, and this digital picture capturing device comprises a graphics processing unit and a memory storage, and its method comprises:
Obtain one first image;
Obtain one second image;
Obtain one first subimage from this first image;
Obtain one second subimage from this second image;
Relatively whether the difference between this first subimage and this second subimage satisfies one pre-conditioned; And
When the difference between this first subimage and this second subimage satisfies this when pre-conditioned, obtain one the 3rd image and store the 3rd image to this memory storage by this graphics processing unit.
2. automatic shooting method as claimed in claim 1, also be included in obtain this first subimage and this second subimage before, color three-primary colours data in this first image are converted to gray scale, shadow tone or brightness data, and the color three-primary colours data in this second image are converted to gray scale, shadow tone or brightness data.
3. automatic shooting method as claimed in claim 1 before obtaining this first image, also comprises:
Obtain one the 4th image;
Obtain one the 5th image; And
The zone that determines to have between the 4th image and the 5th image identical imaging data is an analyzed area.
4. automatic shooting method as claimed in claim 3 wherein, has same or analogous pixel data between the described analyzed area of the 4th image and the 5th image.
5. automatic shooting method as claimed in claim 3, wherein,
Obtain this first subimage in this analyzed area of this first image; And
Obtain this second subimage in this analyzed area of this second image.
6. automatic shooting method as claimed in claim 3 in obtaining the 5th image step, also comprises:
Adjust this digital picture capturing device in maximum ring, obtain one first setting value; And
Control this digital picture capturing device according to described first setting value, and obtain the 5th image by this graphics processing unit.
7. automatic shooting method as claimed in claim 6 in obtaining the 4th image step, also comprises:
Decision comprises one second setting value of one first aperture; And
Control this digital picture capturing device according to described second setting value, and obtain described the 4th image by described graphics processing unit.
8. automatic shooting system comprises:
One image acquisition unit is in order to obtain one first image and one second image;
One memory storage; And
One processing unit, be coupled to described image acquisition unit and described memory storage, obtain one first subimage from described first image, obtain one second subimage, determine whether the difference between described first subimage and described second subimage satisfies a default condition from described second image; Wherein, if when the difference between described first subimage and described second subimage satisfies default described condition, obtain one the 3rd image and be stored to described memory storage by described image acquisition unit.
9. automatic shooting as claimed in claim 8 system, wherein this processing unit is before obtaining this first subimage and this second subimage, color three-primary colours data in this first image are converted to gray scale, shadow tone or brightness data, and the color three-primary colours data in this second image are converted to gray scale, shadow tone or brightness data.
10. automatic shooting as claimed in claim 8 system, wherein this processing unit is before obtaining this first image, obtain one the 4th image, obtain one the 5th image, and the zone that determines to have between the 4th image and the 5th image identical imaging data is an analyzed area.
11. automatic shooting as claimed in claim 10 system wherein, has same or analogous pixel data between the described analyzed area of the 4th image and the 5th image.
12. automatic shooting as claimed in claim 10 system also comprises an autozoom motor driver, a shutter motor driver and an aperture motor driver.
13. automatic shooting as claimed in claim 12 system, wherein said processing unit is under the maximum ring condition, decision comprises one first setting value of one first focal length, a maximum ring and one first shutter, and after controlling this autozoom motor driver, this shutter motor driver and this aperture motor driver according to this first setting value, obtain the 5th image by this graphics processing unit.
14. automatic shooting as claimed in claim 13 system, wherein this processing unit is carried out focusing automatically and automatic exposure determination procedure and is decided this first setting value that comprises this first focal length, this maximum ring and this first shutter under the maximum ring condition.
15. automatic shooting as claimed in claim 14 system, wherein this processing unit decision comprises one second setting value of one second focal length, one first aperture and one second shutter, and after controlling described autozoom motor driver, this shutter motor driver and this aperture motor driver according to this second setting value, obtain the 4th image by this graphics processing unit.
16. automatic shooting as claimed in claim 15 system, wherein this processing unit carries out automatically that focusing, automatic exposure decision and Automatic white balance program decide this second setting value that comprises this second focal length, this first aperture and this second shutter.
17. automatic shooting as claimed in claim 8 system, also comprise an autozoom motor driver, an one shutter motor driver and an aperture motor driver, wherein this processing unit is controlled described autozoom motor driver, behind this shutter motor driver and this aperture motor driver, obtain this first image by this graphics processing unit, control this autozoom motor driver, behind this shutter motor driver and this aperture motor driver, obtain this second image by this graphics processing unit, and control this autozoom motor driver, behind this shutter motor driver and this aperture motor driver, obtain the 3rd image by this graphics processing unit.
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| CN 200610008582 CN101025546A (en) | 2006-02-17 | 2006-02-17 | Automatic shooting method and system |
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| CN 200610008582 CN101025546A (en) | 2006-02-17 | 2006-02-17 | Automatic shooting method and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378454B (en) * | 2007-08-31 | 2010-06-16 | 鸿富锦精密工业（深圳）有限公司 | Camera apparatus and filming method thereof |
| CN102739934A (en) * | 2011-03-31 | 2012-10-17 | 索尼公司 | Image processing apparatus, image processing method, image processing program, and imaging apparatus |
| CN104717418A (en) * | 2013-12-16 | 2015-06-17 | 腾讯科技（深圳）有限公司 | Focusing method, device and electronic equipment |
| WO2016049889A1 (en) * | 2014-09-30 | 2016-04-07 | 华为技术有限公司 | Autofocus method, device and electronic apparatus |
-
2006
- 2006-02-17 CN CN 200610008582 patent/CN101025546A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378454B (en) * | 2007-08-31 | 2010-06-16 | 鸿富锦精密工业（深圳）有限公司 | Camera apparatus and filming method thereof |
| CN102739934A (en) * | 2011-03-31 | 2012-10-17 | 索尼公司 | Image processing apparatus, image processing method, image processing program, and imaging apparatus |
| CN102739934B (en) * | 2011-03-31 | 2017-03-01 | 索尼公司 | Image processing apparatus, image processing method, image processing program and imaging device |
| CN104717418A (en) * | 2013-12-16 | 2015-06-17 | 腾讯科技（深圳）有限公司 | Focusing method, device and electronic equipment |
| WO2016049889A1 (en) * | 2014-09-30 | 2016-04-07 | 华为技术有限公司 | Autofocus method, device and electronic apparatus |
| US10129455B2 (en) | 2014-09-30 | 2018-11-13 | Huawei Technologies Co., Ltd. | Auto-focus method and apparatus and electronic device |
| US10455141B2 (en) | 2014-09-30 | 2019-10-22 | Huawei Technologies Co., Ltd. | Auto-focus method and apparatus and electronic device |
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