CN101990062B - Method for setting personal secure shutter value - Google Patents
Method for setting personal secure shutter value Download PDFInfo
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- CN101990062B CN101990062B CN200910161143XA CN200910161143A CN101990062B CN 101990062 B CN101990062 B CN 101990062B CN 200910161143X A CN200910161143X A CN 200910161143XA CN 200910161143 A CN200910161143 A CN 200910161143A CN 101990062 B CN101990062 B CN 101990062B
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- camera head
- safety shutter
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Abstract
The invention discloses a method for setting a personal secure shutter value, which can be applied to a video device. The method for setting the personal secure shutter value comprises the following steps: the video device acquires a plurality of images shot at different exposure times, and performs a fuzzy detection program on each image respectively while acquiring the images so as to determine the image quality of the each image respectively; and the longest exposure time in the clear image determined by the video quality is set to be a secure shutter value of the video device so as to provide the personal secure shutter value for a user.
Description
Technical field
The present invention is about a kind of establishing method of camera parameter of camera head, particularly a kind of establishing method of individualized safety shutter value.
Background technology
When using traditional camera to carry out filming image, in order to photograph the image with preferable quality of image, the user need cooperate environment when taking to adjust camera parameters such as the aperture of traditional camera, shutter voluntarily.But general user also may not be certain to have knowledge and ability in this respect, thereby can't adjust to the camera parameter that is fit to shooting environmental, causes the user to photograph second-rate image often.
Then develop and the digital camera device that to adjust camera parameter according to shooting environmental automatically.When carrying out filming image, digital camera device can detect the camera parameter of shooting environmental with the suitable shooting environmental of automatic selection, carries out filming image for the user.Therefore, since digital camera device was released, it extensively had been present in existing market, and replaces traditional camera gradually.
Generally speaking, digital camera device is when dispatching from the factory, and the designer promptly configures the adjustable range of the required camera parameter of various shooting environmental earlier according to various shooting environmental, for example: various shooting situation/patterns.Therefore; The user is when carrying out filming image; Only need to take situation/pattern according to shooting environmental corresponding selection instantly; Need manually not set camera parameter when using traditional camera, digital camera device can adjust/select suitable camera parameter voluntarily when taking, carry out filming image for the user.
When handing digital camera, stability is not good because hand shake etc. cause shooting, and shoots fuzzy image, therefore in digital camera device, all is set with a safety shutter value for fear of general user, and it is a certain value.Wherein, the safety shutter value of broad sense is the inverse of burnt long (focal length), and unit is second (sec).
Generally speaking, the safety shutter value of setting in the digital camera device is one and is directed against the default value that most user did.Because the stability of the hand-held digital camera of each user is different; And each user's the custom of taking pictures also all is not quite similar; Therefore same safety shutter value might not be applicable to each user, and then under special shooting situation, still shoots the not good image of quality easily.
Summary of the invention
Technical problem to be solved by this invention is, a kind of establishing method of individualized safety shutter value is provided, so as to solving the problem that fixing safety shutter value can't be suitable for each user.
The establishing method of the individualized safety shutter value that is disclosed according to the present invention can be applicable to a camera head.
At first, obtain a plurality of images that absorbed in different exposure time, and simultaneously each image is carried out fuzzy (Blur Detection) program that detects respectively, to judge each image quality of image of institute's tool respectively in obtaining each image by camera head.Then, the quality of image is judged to be the longest time for exposure in the image clearly and is set at the safety shutter value of camera head.
Wherein, aforementioned camera head be with different exposure time capture with continuous capture image.In addition, the aforementioned a plurality of images that absorbed also can be a plurality of images of obtaining different exposure time in the image of storage.
Method of the present invention can be through software or firmware program and in be built in the storage element of camera head; Or be stored in the pluggable recording medium; Processing module by camera head reads and carries out the program (being program code) that stores in storage element or the recording medium again, carries out the establishing method of above-mentioned individualized safety shutter value to cause camera head.
In addition, camera head also can pass through the external connected electronic device, to be read and to be carried out the program (being program code) that is stored in the recording medium by electronic installation, causes camera head to carry out the establishing method of above-mentioned individualized safety shutter value.
Effect of the present invention is; The establishing method of the individualized safety shutter value that is disclosed according to the present invention can be applicable to camera head; With cause the fuzzy trace routine of camera head utilization to be judged to take the quality of image of image; And select the suitable time for exposure to be used as the safety shutter value of camera head according to the result of determination of the quality of image, so that the user to be provided personalized safety shutter value.
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 flow chart of the establishing method of individualized safety shutter value of the present invention;
Fig. 2 is the sketch map of the camera head of the establishing method of application individualized safety shutter value of the present invention; And
Fig. 3 is the sketch map of another embodiment of camera head of the establishing method of application individualized safety shutter value of the present invention.
Wherein, Reference numeral
100 camera heads
120 processing modules
130 storage elements
140 photographing modules
150 recording mediums
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:
Fig. 1 is the establishing method flow chart according to individualized safety shutter value of the present invention; And Fig. 2 is the camera head sketch map of the establishing method of application individualized safety shutter value of the present invention.
Please with reference to Fig. 1 and Fig. 2, the establishing method of the individualized safety shutter value that is disclosed according to the present invention can be applicable to camera head 100.This camera head 100 can include: processing module 120, storage element 130 and photographing module 140.
In this embodiment; At first; Obtain a plurality of images that absorbed in different exposure time by camera head 100, and simultaneously each image is blured detection (Blur Detection) program respectively, with the quality of image (step 21) of judging that each image is had respectively in obtaining each image.At last, the quality of image is judged as the safety shutter value (step 23) that the longest time for exposure in the image clearly is set at camera head 100.
Wherein, camera head 100 is predeterminable to have an initial safe shutter value, and the longest aforementioned time for exposure is to replace this initial safe shutter value, to be set at the safety shutter value.
In this, the quality of image is judged as the step that the longest time for exposure in the image clearly is set at the safety shutter value of camera head 100 can be comprised: replace initial safe shutter value with the longest time for exposure.
For instance, when the setting of camera head 100 in the safety shutter value that individualizes, camera head 100 can be obtained the different image (step 21) of time for exposure more than two earlier.
Then, utilize the fuzzy trace routine of building in the camera head 100 to judge the quality of image that each image has.Wherein, fuzzy trace routine can be a programmable software program, and in be built in the storage element 130 of camera head.After the step of the image of obtaining a plurality of different exposure time; Being read and carried out the corresponding program of the fuzzy trace routine that is stored in the storage element 130 by the processing module in the camera head 100 120, is clear or fuzzy with the quality of image of the image of judging above-mentioned different exposure time.
At last; Processing module 120 by camera head 100 will judge that the quality of image is for to seek out the image with the longest time for exposure in the image clearly by fuzzy trace routine; And the time for exposure that this is the longest (that is, the longest time for exposure) is set at the safety shutter value (step 23) of camera head 100.
Wherein, obtaining of the image that the time for exposure is different can be, and when the setting of the safety shutter value that individualizes, directly requires the user to utilize photographing module 140 images of acquisition different exposure time continuously.And processing module 120 is blured trace routine to image when capturing image.
Moreover also obtaining of the image that the time for exposure is different can be, and directly selects the image of different exposure time in the image from be stored in storage element 130.In other words, camera head 100 after capturing image through photographing module 140, can with capture image be stored in the storage element 130.When desiring to individualize the setting of safety shutter value, camera head 100 is read the image of storage again from storage element 130, and the image of reading is blured trace routine.
Below be example with the image of five different exposure time, suppose that Jiao long (focallength) of camera head 100 is 35 millimeters (mm), these camera head 100 preset initial safe shutter values are 1/35 second (sec).
When the setting of the safety shutter value that individualizes, camera head 100 is obtained the image of five different exposure time through direct shooting or the image that reads storage.Explanation for ease below is referred to as first image (1/100 second time for exposure), second image (1/50 second time for exposure), the 3rd image (1/20 second time for exposure), the 4th image (1/10 second time for exposure) and the 5th image (1/15 second time for exposure) respectively.
Then, judge the quality of image of first image, second image, the 3rd image, the 4th image and the 5th image respectively by the fuzzy trace routine of building in the camera head 100.In this; The result of determination of supposing the quality of image of first image, second image, the 3rd image, the 4th image and the 5th image is respectively: the quality of image of first image is that the quality of image clear, second image is that the quality of image clear, the 3rd image is that the quality of image clear, the 4th image is fuzzy, and the quality of image of the 5th image is clear.
Then; By the processing module 120 of camera head 100 from the quality of image for choosing image (that is the 5th image) in the image (that is, first image, second image, the 3rd image and the 5th image) clearly with the longest time for exposure parameter; And then (promptly with image with the longest time for exposure parameter; The 5th image) time for exposure (that is, 1/15 second) replaces initial safe shutter value, the safety shutter value when being used in follow-up take as this camera head 100.
In this; In the storage element 130 that can be through being built in camera head 100 in software or the firmware program (such as: hard disk, dish, internal memory or read-only memory etc. with oneself), also can be stored in the pluggable recording medium 150 (please with reference to Fig. 3) (such as memory card or CD etc.).Processing module 120 by camera head 100 reads and carries out the program (being program code) that stores in storage element 130 or the recording medium 150 again, carries out the establishing method of above-mentioned individualized safety shutter value to cause camera head 100.
In addition; Camera head 100 also can be through being connected with electronic installation (such as computer, mobile computer or palmtop computer etc.) communication; To read and to carry out the program (being program code) that is stored in the recording medium by electronic installation, cause camera head 100 to carry out the establishing method of above-mentioned individualized safety shutter value.
Moreover; Application is according to the camera head of the establishing method of individualized safety shutter value of the present invention; Can be when special time or Fixed Time Interval; Automatically perform corresponding to program, be recorded in safety shutter value wherein with renewal, and then the user is provided personalized full shutter value according to the establishing method of individualized safety shutter value of the present invention.
In addition; Application is according to the camera head of the establishing method of individualized safety shutter value of the present invention; Also can be through providing the option of setting individualized safety shutter value; Let the user manually select this option, cause camera head to carry out the setting of individualized safety shutter value, implement establishing method according to individualized safety shutter value of the present invention.
Establishing method according to individualized safety shutter value of the present invention can be applicable to camera head; With cause camera head through fuzzy trace routine judge take the quality of image of image; And select the suitable time for exposure to be used as the safety shutter value of camera head according to the result of determination of the quality of image, so as to the user is provided personalized safety shutter value.Wherein, for the not good user of stability (meaning is during camera head plays pendulum when taking the photograph bat), individualized safety shutter value can the person of avoiding the use of be shot fuzzy image.For the good user of stability, individualized safety shutter value can reduce the safety shutter value, still can avoid shooting fuzzy image simultaneously, and can do shooting to more dim environment.Moreover; For the good user of stability, individualized safety shutter value also can let the user when using photoflash lamp to take pictures, and background can be brighter; Therefore can reduce the use of photoflash lamp relatively or reduce the energy of the photoflash lamp that uses relatively, and then reach the effect of power saving.
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 (8)
1. the establishing method of an individualized safety shutter value is applied to a camera head, it is characterized in that, includes:
Obtain a plurality of images that absorbed in different exposure time by this camera head, and simultaneously this image is respectively carried out a fuzzy trace routine respectively, with the quality of image of judging that this image is respectively had respectively in obtaining respectively this image; And
The quality of image in those images is judged to be the longest time for exposure at least one clearly image is set at a safety shutter value of this camera head.
2. the establishing method of individualized safety shutter value according to claim 1 is characterized in that, this camera head with different exposure time capture with continuous capture those images.
3. the establishing method of individualized safety shutter value according to claim 2 is characterized in that, those images comprise two images that are stored in this camera head at least.
4. the establishing method of individualized safety shutter value according to claim 1 is characterized in that, this camera head is preset with an initial safe shutter value, with this this initial safe shutter value of replacement of the longest time for exposure, to be set at this safety shutter value.
5. the establishing method of individualized safety shutter value according to claim 1 is characterized in that, this camera head is in being in an unsure state.
6. the establishing method of an individualized safety shutter value is applied to a camera head, it is characterized in that, includes:
Obtain a plurality of images that absorbed in different exposure time by this camera head;
Those images that storage obtains;
Those images of obtaining are carried out a fuzzy trace routine respectively, and with the quality of image of judging that respectively this image was had, wherein, the step of those images of obtaining being carried out a fuzzy trace routine respectively comprises: those images of reading storage; And those images of reading are carried out this fuzzy trace routine; And
The quality of image in those images is judged to be the longest time for exposure at least one clearly image is set at a safety shutter value of this camera head.
7. the establishing method of individualized safety shutter value according to claim 6 is characterized in that, this camera head is preset with an initial safe shutter value, with this this initial safe shutter value of replacement of the longest time for exposure, to be set at this safety shutter value.
8. the establishing method of individualized safety shutter value according to claim 6 is characterized in that, this camera head is in being in an unsure state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910161143XA CN101990062B (en) | 2009-08-06 | 2009-08-06 | Method for setting personal secure shutter value |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910161143XA CN101990062B (en) | 2009-08-06 | 2009-08-06 | Method for setting personal secure shutter value |
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| CN101990062A CN101990062A (en) | 2011-03-23 |
| CN101990062B true CN101990062B (en) | 2012-07-18 |
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| CN200910161143XA Expired - Fee Related CN101990062B (en) | 2009-08-06 | 2009-08-06 | Method for setting personal secure shutter value |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072338B (en) * | 2015-07-31 | 2018-02-16 | 广东欧珀移动通信有限公司 | A kind of method of adjustment and device of photo terminal safety shutter time |
| CN106303243A (en) * | 2016-08-19 | 2017-01-04 | 乐视控股（北京）有限公司 | A kind of photographic method, device and terminal |
| CN107800960B (en) * | 2017-09-27 | 2019-11-01 | 维沃移动通信有限公司 | A kind of safety shutter method of adjustment and mobile terminal |
| CN108322666B (en) * | 2018-02-12 | 2020-06-26 | 广州视源电子科技股份有限公司 | Method and device for regulating and controlling camera shutter, computer equipment and storage medium |
| CN109547703B (en) * | 2018-12-28 | 2021-04-13 | 北京旷视科技有限公司 | Shooting method and device of camera equipment, electronic equipment and medium |
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| CN1710935A (en) * | 2004-06-17 | 2005-12-21 | 株式会社日立制作所 | Imaging apparatus |
| CN1734342A (en) * | 2005-07-18 | 2006-02-15 | 中程科技有限公司 | Image pick-up apparatus capable of picking up mobile object |
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