CN101196670A - Field depth encompassed shooting method and device - Google Patents
Field depth encompassed shooting method and device Download PDFInfo
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- CN101196670A CN101196670A CN 200610162133 CN200610162133A CN101196670A CN 101196670 A CN101196670 A CN 101196670A CN 200610162133 CN200610162133 CN 200610162133 CN 200610162133 A CN200610162133 A CN 200610162133A CN 101196670 A CN101196670 A CN 101196670A
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Abstract
A scene depth bounding photographic method and device are provided, during image photography process with the photographic method, a plurality groups of set value combined by aperture value and shutter value are provided, then a plurality of image photos are continuously photographed by utilizing the set value by an image grabbing unit, during the continuous photography process, each photography uses a different aperture value in the set value, thereby obtaining a plurality pictures of image photos with different scene depth to facilitate user selecting photography effect with ideal scene depth.
Description
Technical field
The present invention relates to a kind of image pickup method and device, field depth encompassed shooting method and device that particularly a kind of adjustable lay the grain circle changes.
Background technology
For filming image, take the focusing action of being carried out, be to allow camera head, as digital camera, video camera, mobile phones etc. drop on focus on the main body that is taken, as shown in Figure 1, digital camera 1 process is to defocused, focus drops on the main body thing 11, and captured image photo, the scope of imaging can appear knowing at the front and back of main body thing 11 segment distance, this scope is the depth of field (Depth of field) D0, that is to say that main body thing 11 imagings on the image photo will be the most partly, however the scenery position of main body thing 11 front and back because of on focus, will not seeming fuzzy, and distance focal point scenery fog-level far away more can be even more serious, therefore the background objects 13 among Fig. 1 is not because of in can knowing the depth of field D0 scope that is elephant, so background objects 13 will present ambiguous image effect on the image photo.
The different depth of field depths then has it to be fit to the occasion of taking, and uses the shallow depth of field when for example taking portrait usually, is main so that personage's main body can highlight, and allows blurred background to present the visual sense of beauty of dim aestheticism.And taking the Nature landscape, and then can wish all visual effects clearly of the front and back background shot, at this moment take the employed depth of field and then must elongate as far as possible.Though the length of depth of field distance can be decided by aperture, and existing high-order digit camera all provide complete manually, the screening-mode of aperture priority, shutter priority etc., yet for general filming image person, variation for the depth of field depth, and can't correctly control the application of aperture, and often shoot the image photo of the improper depth of field.
In view of this, the present invention proposes a kind of field depth encompassed method and device, to improve above-mentioned defective.
Summary of the invention
Technical matters to be solved by this invention, be to provide a kind of field depth encompassed shooting method and device, variation by automatic control aperture, and in the process of a continuous shooting, use different f-numbers, and allow the user can reach the convenient image photo of from aforementioned continuous shooting result, selecting the suitable depth of field more fast.
In order to solve the problems of the technologies described above, according to a kind of scheme of the present invention, a kind of field depth encompassed shooting method is provided, comprise: provide the setting value of many group f-numbers and the combination of shutter value to come to carry out filming image for an image acquisition unit, and used different numerical value at these groups f-numbers in setting values, relief image acquisition unit is taken many serial-grams according to the combination of these setting values.
In order to solve the problems of the technologies described above, according to another kind of scheme of the present invention, provide a kind of field depth encompassed shooting method, when an image acquisition unit is taken, at first provide one first setting value, and this first setting value is by f-number and the combination of shutter value by photometry; After produce second group of setting value of many groups according to the f-number in first group of setting value again, second group of setting value is by f-number and the combination of shutter value equally, and the f-number in each second setting value is different, and the f-number in each second setting value is that first group of f-number in the setting value draws by at least one lattice aperture that adds deduct simultaneously; Last image acquisition unit is then taken many serial-grams according to the content of first group of setting value and these second group of setting value respectively.
In order to solve the problems of the technologies described above, according to another kind of scheme of the present invention, a kind of field depth encompassed shooting device is provided, comprise: an input block, an image pickup optical system, an image acquisition unit, a control module and a storage element, wherein input block is given control module in order to import a field depth encompassed shooting signal; Image acquisition unit then comes filmed image by image pickup optical system, control module is then being received the field depth encompassed shooting signal, the setting value of many group f-numbers and the combination of shutter value is provided, come to take many images for image acquisition unit, and control this aperture module and this shutter module changes according to f-number in those setting values and shutter value, and the f-number in these setting values is provided is different numerical value; Storage element then stores the shooting results of image acquisition unit.
Adopt field depth encompassed shooting method of the present invention and device whereby, shooting results at a last gained of continuous shooting is the image photo of the different depth of field, this is because each image photo has used different f-numbers when taking, and allows the user choose gratifying depth of field shooting effect from the continuous shooting result so can reach.
Above general introduction and ensuing detailed description and accompanying drawing all are to reach mode, means and the effect that predetermined purpose is taked in order to further specify the present invention.And relevant other purpose of the present invention and advantage will be set forth in follow-up explanation and accompanying drawing.
Description of drawings
Fig. 1 is the synoptic diagram of known digital camera filmed image;
The block schematic diagram of the preferred embodiment of Fig. 2 field depth encompassed shooting device of the present invention;
The process flow diagram of the preferred embodiment of Fig. 3 field depth encompassed shooting method of the present invention; And
Fig. 4 the present invention is with the synoptic diagram of different depth of field filmed images.
The main element description of reference numerals
1 digital camera
11 main body things
13 background objects
2 field depth encompassed shooting devices
20 control modules
22 input blocks
24 image pickup optical systems
241 aperture modules
242 shutter modules
243 photometry modules
26 image acquisition units
28 storage elements
30 display units
Embodiment
The present invention proposes a kind of field depth encompassed shooting method and device, mainly be utilize aperture in the technique for taking greatly can the more shallow depth of field and the aperture I must the longer depth of field principle, therefore the present invention promptly utilizes this principle, obtain the shooting effect of the different depth of field by the different f-number of control, and by the operation that is combined in continuous shooting, in order to do making the present invention can in a continuous shooting, can obtain many image photos of the different depth of field of the depth.
See also Fig. 2, its illustrate includes into the preferred embodiment of field depth encompassed shooting device of the present invention, field depth encompassed shooting device 2: a control module 20, an input block 22, an image pickup optical system 24, an image acquisition unit 26, a storage element 28 and a display unit 30.Wherein input block 22 is coupled to control module 20, gives control module 20 by input block 22 input one field depth encompassed shooting signal, and starting a filming image program, input block 22 is preferable can be a button or its impartial enforcement.Image pickup optical system 24 is coupled to control module 20, and the relevant optical manipulation in the shooting process can be provided, and image pickup optical system 24 includes aperture module 241, shutter module 242 and photometry module 243.Image acquisition unit 26 is coupled to control module 20, and takes an image by image pickup optical system 24, and image acquisition unit 26 is preferably charge-coupled device (CCD) inductor (CCD) or complementary metal oxide semiconductor inductor (CMOS).Storage element 28 is coupled to control module 20, and the storage of image acquisition unit 26 shooting results is provided.Display unit 30 is coupled to control module 20, and acquisition unit 26 shooting results capable of displaying image are browsed for the user.
And these setting values that provided as for control module 20 can be utilized the fully automatic mode that uses in the digital camera or the mode of operation of aperture priority decides for f-number wherein.With fully automatic mode, be first, and determine aperture module 241 employed f-numbers automatically according to this photometry result by 243 pairs of environment light source photometries of photometry module.And as for the light mode of priority, the f-number that can decide aperture module 241 to want by the user then.And after the f-number decision, utilize exposure value (the Exposure Value of photometry gained; EV)=formula of aperture EV value+shutter speed EV value, know exposure EV value and aperture EV value after can extrapolate shutter speed EV value, and the pairing EV value of aforementioned f-number and shutter value can be learnt by inquiry EV conversion table, this EV conversion table belongs to the knowledge in this field, is no longer described in detail at this.
Then, see also Fig. 3, its illustrate is the process flow diagram of the preferred embodiment of field depth encompassed shooting method of the present invention.Wherein Xiang Guan system architecture is in the lump with reference to Fig. 2, and the execution in step of this field depth encompassed shooting method is as follows:
At first,, be step S301, even when image acquisition unit 26 is taken when the user starts filming image by input block 22 input one field depth encompassed shooting signal; Earlier carry out photometry, be step S303 by the photometry module in the image pickup optical system 24 243; Provide the first group of setting value that makes up by f-number and shutter value by control module 20 afterwards, be step S305, and the f-number in this first group of setting value can be decided by the fully automatic mode or the mode of operation of aperture priority, and the shutter value in first group of setting value is after the f-number in knowing the photometry result and first setting value, utilizes aforementioned formula to derive and learns; And then control module 20 produces many group second setting values according to the f-number in first group of setting value again, be step S307, wherein the f-number in second setting value is by obtaining the f-number in first setting value with at least one lattice aperture that adds deduct, and the f-number in these second setting values is different each other, and the shutter value in second setting value is according to the f-number in the photometry result and second setting value, derives according to aforementioned formula and learns; Last image acquisition unit 26 is taken multiple pictures continuously according to the content of aforesaid first setting value and these second setting values, is step S309; And store shooting results by storage element 28, be step S311; And show shooting results by display unit 30, be step S313.
Wherein input block 22 input field depth encompassed shooting signals can be implemented by the mode of pushing a button among the abovementioned steps S301, and this push-button design becomes partly focusing earlier on time, and the control action of taking when touching the button entirely.So above-mentioned steps S301 described startup filming image is to make photometry module 243 carry out the photometry action with half by the mode of a button earlier, back control module 20 promptly provide first group of setting value according to the photometry result.Image acquisition unit 26 continuous shooting multiple pictures then are to take entirely at button on time among the above-mentioned steps S309.Aforementioned input block 22 is to be used for illustrating for the button mode, but as limit other impartial embodiment can not be arranged still.
The action interpretation of aforementioned at least one lattice aperture that adds deduct is as follows: existing f-number has F1.4,2,2.8,4,5.6,8,11,16,22,32,45,65, specifications such as 90, and adjacent expression increases by lattice or reduces by a lattice f-number before and after each f-number, suppose that the f-number that originally uses is F4, then its f-number that increases behind the lattice is F2.8, otherwise its f-number that reduces behind the lattice then is F5.6.
Therefore when utilizing mode provided by the invention to take many different depth of field photos, can be as shown in Figure 4, field depth encompassed shooting device 2 is used for taking a main body thing 11 among the 4th figure, and but field depth encompassed shooting device 2 is set at three of continuous shootings to obtain different depth of field D1, D2, the image photo of D3, depth of field D1 wherein, the image photograph taking result of D2, make the shooting effect of image fog of the image definition of main body thing 11 and background objects 13, and as for the image photo of depth of field D3, then be to make the image of main body thing 11 and background objects 13 be shooting effect clearly, so the user can select the shooting effect of wanting in three photos by continuous shooting.
In sum, field depth encompassed shooting method provided by the present invention and device, variation and continuous shooting by the control f-number when filming image combine, and make that captured each that obtains image photo has used different f-numbers in the continuous shooting process, so can reach the image photo that in a continuous shooting process, can obtain the different depth of field, and more convenient user can therefrom select the shooting effect of wanting.
But the above-mentioned accompanying drawing that discloses, explanation only are embodiments of the invention, and all those skilled in the art can do other all improvement according to above-mentioned explanation, and these change in the scope of patent protection that still belongs to invention spirit of the present invention and defined.
Claims (10)
1. a field depth encompassed shooting method is characterized in that, comprising:
When an image acquisition unit is taken, the setting value of many group f-numbers and the combination of shutter value is provided, wherein the f-number in those group setting values is different numerical value; And
This image acquisition unit is taken many serial-grams according to the combination of those setting values.
2. field depth encompassed shooting method as claimed in claim 1 further comprises:
Store and show the shooting results of this image acquisition unit.
3. a field depth encompassed shooting method is characterized in that, comprising:
When an image acquisition unit is taken, carry out photometry and provide one group of f-number and one first group of setting value of shutter value combination;
Produce second group of setting value of many group f-numbers and the combination of shutter value according to the f-number in this first group of setting value, wherein the f-number in those second setting values is different, and the f-number in those second setting values is drawn by at least one lattice aperture that adds deduct by the f-number in this first group of setting value; And
This image acquisition unit is taken many serial-grams according to the content of this first group of setting value and those second group of setting value respectively.
4. field depth encompassed shooting method as claimed in claim 3 is characterized in that, further comprises:
Store and show the shooting results of this image acquisition unit.
5. field depth encompassed shooting method as claimed in claim 3, it is characterized in that, wherein the f-number in this first group of setting value decides according to the result of photometry, and the shutter value in this first group of setting value decides according to the result of photometry and the f-number in this first group of setting value.
6. field depth encompassed shooting method as claimed in claim 3 is characterized in that, wherein the f-number in this first group of setting value is a default value, and the shutter value in this first group of setting value decides according to the result of photometry and the f-number in this first group of setting value.
7. field depth encompassed shooting method as claimed in claim 3 is characterized in that, wherein the shutter value in this second group of setting value decides according to the f-number in photometry result and this second group of setting value.
8. a field depth encompassed shooting device is characterized in that, comprising:
One input block is in order to import a field depth encompassed shooting signal;
One image pickup optical system has an aperture module and a shutter module;
One image acquisition unit is united to take an image by this shooting optics;
One control module, according to this field depth encompassed shooting signal of receiving, the setting value of many group f-numbers and the combination of shutter value is provided, control this aperture module and this shutter module changes according to f-number in those setting values and shutter value, and many images of this image acquisition unit shooting of control, wherein the f-numbers in those group setting values are different numerical value; And
One storage element is in order to store the shooting results of this image acquisition unit.
9. field depth encompassed shooting device as claimed in claim 8 is characterized in that, further comprises:
One display unit is coupled to this control module, in order to show the shooting results of this image acquisition unit.
10. field depth encompassed shooting device as claimed in claim 8 is characterized in that, wherein this shooting optics system further comprises a photometry module, and it is in order to carry out photometry.
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| CN 200610162133 CN101196670A (en) | 2006-12-05 | 2006-12-05 | Field depth encompassed shooting method and device |
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| CN 200610162133 CN101196670A (en) | 2006-12-05 | 2006-12-05 | Field depth encompassed shooting method and device |
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| CN102075687A (en) * | 2009-11-25 | 2011-05-25 | 奥林巴斯映像株式会社 | Imaging device and imaging device control method |
| CN102158648A (en) * | 2011-01-27 | 2011-08-17 | 明基电通有限公司 | Image capturing device and image processing method |
| CN102457740A (en) * | 2010-10-14 | 2012-05-16 | 华晶科技股份有限公司 | Method and device for generating shallow depth-of-field image |
| CN101616259B (en) * | 2008-06-25 | 2012-07-04 | 奥林巴斯映像株式会社 | Photographic device and camera shooting method |
| CN102595050A (en) * | 2011-01-11 | 2012-07-18 | 奥林巴斯映像株式会社 | Imaging device |
| CN102811309A (en) * | 2011-05-31 | 2012-12-05 | 华晶科技股份有限公司 | Method and device for generating shallow depth-of-field image |
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| CN102595050B (en) * | 2011-01-11 | 2015-03-25 | 奥林巴斯映像株式会社 | Imaging device |
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| CN102158648B (en) * | 2011-01-27 | 2014-09-10 | 明基电通有限公司 | Image capturing device and image processing method |
| CN102158648A (en) * | 2011-01-27 | 2011-08-17 | 明基电通有限公司 | Image capturing device and image processing method |
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| CN103905732A (en) * | 2014-04-02 | 2014-07-02 | 深圳市中兴移动通信有限公司 | Shooting method and shooting device |
| CN103905732B (en) * | 2014-04-02 | 2015-08-26 | 努比亚技术有限公司 | Image pickup method and filming apparatus |
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