CN108881677A - Photographic device and image capture method - Google Patents
Photographic device and image capture method Download PDFInfo
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- CN108881677A CN108881677A CN201710693337.9A CN201710693337A CN108881677A CN 108881677 A CN108881677 A CN 108881677A CN 201710693337 A CN201710693337 A CN 201710693337A CN 108881677 A CN108881677 A CN 108881677A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000003384 imaging method Methods 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000006698 induction Effects 0.000 claims description 32
- 230000004927 fusion Effects 0.000 claims description 2
- 230000005622 photoelectricity Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 10
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
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- 238000005516 engineering process Methods 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- G06T3/14—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20212—Image combination
- G06T2207/20221—Image fusion; Image merging
Abstract
The embodiment provides a kind of photographic device and image capture methods.The photographic device includes the imaging lens system set gradually, beam splitting means, at least two apertures, at least two image-forming blocks and image-signal processor, at least two apertures and at least two image-forming blocks correspond, and imaging lens system is for collecting the light beam from target subject；Beam splitting means are used to that the different light beams for being respectively facing each of at least two apertures will to be divided by the light beam of imaging lens system, and the light passing amount of wherein at least two aperture is set as different；Each image-forming block at least two image-forming blocks will be for that will carry out photoelectric conversion by the light beam of corresponding aperture, to generate initial pictures；At least two initial pictures that image-signal processor is used to generate at least two image-forming blocks carry out image co-registration processing, to generate target image.Above-mentioned apparatus and method solve smear problem on the basis of meeting shooting performance requirement.Image obtained is apparent.
Description
Technical field
The present invention relates to field of photography, relate more specifically to a kind of photographic device and image capture method.
Background technique
When the target area of video camera shooting includes the high luminance area of intense light source (daylight, lamps and lanterns or reflective etc.) irradiation simultaneously
When the lower region of relative luminance caused by the factors such as domain and shade, backlight, captured image, which will appear brighter areas, to be become
The phenomenon that white and darker area becomes black, seriously affects picture quality.Wide dynamic technique is exactly in brightness strongly
A kind of technology for allowing video camera to see the characteristic of image under comparison and using.
The most common width dynamic technique is mostly based on single camera to develop.Firstly, utilizing difference using a camera
Time for exposure be continuously shot two or more images.Time for exposure is longer, the electric signal that optical signal accumulates on camera
Also more, the image photographed is also brighter；Conversely, the image that camera photographed is darker.Existing width dynamic technique is namely based on this
Two images are combined into one by a principle with learning from other's strong points to offset one's weaknesses, and obtain a just right image.Specifically, it executes respectively short
Exposure (referred to as short frame) and long exposure camera operation (referred to as long frame) two images of shooting.Then, captured image is transferred to
Image-signal processor (Image Signal Processor, ISP) module does image co-registration processing, generates satisfactory figure
Picture.It is longer that this processing mode generates the time spent by satisfactory image.Further, since a camera is temporally suitable
Sequence claps two or more images, and images target itself and be likely to be at dynamic, therefore the image obtained after image co-registration processing
The phenomenon that there are smears.
Summary of the invention
The present invention is proposed, in view of the above problems in order to provide a kind of photographic device at least being partially solved the above problem
And image capture method.
According to one aspect of the invention, it provides a kind of photographic device, including set gradually imaging lens system, beam splitting portion
Part, at least two apertures, at least two image-forming blocks and image-signal processor, at least two aperture and it is described at least
Two image-forming blocks correspond,
The imaging lens system is for collecting the light beam from target subject；
The beam splitting means, which are used to be divided by the light beam of the imaging lens system, is respectively facing at least two aperture
Each of different light beams, wherein the light passing amount of at least two aperture is set as different；
Each image-forming block at least two image-forming block will be for that will carry out light by the light beam of corresponding aperture
Electricity conversion, to generate initial pictures；
Described image signal processor be used at least two initial pictures for generating at least two image-forming block into
Row image co-registration processing, to generate target image.
Illustratively, described device further includes diaphragm control unit part, for controlling described at least two when shooting image
Aperture, so that the light passing amount of at least two aperture is set as different.
Illustratively, the diaphragm control unit part is specifically used for according to the brightness of target subject control described at least two
A aperture.
Illustratively, the photographic device further includes：Exposure control unit, for controlling at least two image-forming block
It is exposed in the same period.
Illustratively, the beam splitting means include：
Beam splitter (beam splitter), for the light beam for passing through the imaging lens system to be divided at least two light beams；With
And
Light guide structure, for guiding at least one light beam at least two light beam at least two light
At least one aperture in circle.
Illustratively, the smooth guide structure includes at least one light guide member, the smooth guide member and the light
Circle corresponds.
Illustratively, each smooth guide member is refractive component, wherein each refractive component is used to reflect a light beam
To corresponding aperture；Alternatively,
Each smooth guide member is reflection component, wherein each reflection component is used to a light beam reflexing to corresponding light
Circle；Alternatively,
At least one described light guide member is multiple smooth guide members, and the multiple smooth guide member includes at least one
Refractive component and at least one reflector part, wherein each refractive component is used to a light beam refracting to corresponding aperture, often
A reflection component is used to a light beam reflexing to corresponding aperture.
According to a further aspect of the invention, a kind of image capture method is additionally provided, including：
Collect the light beam from target subject；
The light beam is divided into the different light beams for being respectively facing each of at least two apertures, wherein it is described at least
The light passing amount of two apertures is set as different；
Photoelectric conversion will be carried out by the light beam of at least two aperture respectively, to generate at least two initial pictures；
And
At least two initial pictures are subjected to image co-registration processing, to generate target image.
Illustratively, the method also includes：According to the brightness of the target subject, at least two aperture is controlled.
Illustratively, the exposure time of at least two initial pictures is identical.
Photographic device and image capture method according to the present invention, which reduce, generates the time spent by image.Meeting shooting property
On the basis of capable of requiring, additionally it is possible to solve the smear problem of image, so that image obtained is apparent, improve user
Experience.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
The embodiment of the present invention is described in more detail in conjunction with the accompanying drawings, the above and other purposes of the present invention,
Feature and advantage will be apparent.Attached drawing is used to provide to further understand the embodiment of the present invention, and constitutes explanation
A part of book, is used to explain the present invention together with the embodiment of the present invention, is not construed as limiting the invention.In the accompanying drawings,
Identical reference label typically represents same parts or step.
Fig. 1 shows the schematic block diagram of photographic device according to an embodiment of the invention；
Fig. 2 shows the schematic block diagrams of photographic device in accordance with another embodiment of the present invention；
Fig. 3 shows the schematic block diagram of the photographic device of another embodiment according to the present invention；
Fig. 4 shows the schematic block diagram of the photographic device of further embodiment according to the present invention；And
Fig. 5 shows the schematic flow chart of image capture method according to an embodiment of the invention.
Specific embodiment
In order to enable the object, technical solutions and advantages of the present invention become apparent, root is described in detail below with reference to accompanying drawings
According to example embodiments of the present invention.Obviously, described embodiment is only a part of the embodiments of the present invention, rather than this hair
Bright whole embodiments, it should be appreciated that the present invention is not limited by example embodiment described herein.Based on described in the present invention
The embodiment of the present invention, those skilled in the art's obtained all other embodiment in the case where not making the creative labor
It should all fall under the scope of the present invention.
In order to solve problem as described above, the embodiment of the present invention provides a kind of photographic device and image capture method.According to this
The photographic device and image capture method of inventive embodiments have thoroughly abandoned the basic principle of current wide dynamic synthesis.It is filled in the camera shooting
It sets in image capture method, the image of different brightness is obtained by using the light-inletting quantity of aperture control image-forming block, then to institute
Obtained image is merged, to generate target image.Fig. 1 shows photographic device 100 according to an embodiment of the invention
Schematic block diagram.
As shown in Figure 1, photographic device 100 includes the imaging lens system 110 set gradually, beam splitting means 120, aperture assemblies
130, image-forming assembly 140 and ISP 150.Wherein aperture assemblies 130 include the first aperture 131 and the second aperture 132.Image-forming assembly
140 include the first image-forming block 141 and the second image-forming block 142.First aperture 131 is corresponding with the first image-forming block 141, and second
Aperture 132 is corresponding with the second image-forming block 142.Here " correspondence " refers in an optical path.
Imaging lens system 110 is for collecting the light beam from target subject.Target subject be object captured by device 100 or
Person region.Imaging lens system 110 may include the optical elements such as condenser lens and zoom lens.In general, coming from target subject
Light beam can be directional light or less parallel light.It should be noted that the specific implementation of imaging lens system can refer to it is existing
Technology, the application do not limit this.Imaging lens system is referred to as camera or camera lens etc..
Beam splitting means 120 are used to that the first light beam and the second light beam will to be divided by the light beam of imaging lens system 110.First light beam
Towards the first aperture 131, the second light beam the second aperture 132 of direction.The beam splitting means 120 can use the optical elements such as prism reality
It is existing.
Illustratively, which may include beam splitter.For example, beam splitter can include but is not limited to half instead
Pellicle mirror or cube splitter etc., wherein cube splitter can be parallelogram prism.Optionally, the beam splitting means
120 can also include light guide structure, for guiding at least one light beam from beam splitter at least one aperture.Ability
Domain those of ordinary skill be appreciated that light beam is guided to aperture can be the direction of propagation of the light beam is changed into it is right towards this
The operation for the aperture answered.Illustratively, light guide structure may include at least one light induction element.Each smooth induction element is only
One ground corresponds to an aperture.Light induction element is for guiding the light beam from beam splitter to its corresponding aperture.
It is appreciated that light induction element included by light guide structure can be identical with the quantity of aperture, the two forms one
One-to-one correspondence.Each light beam is guided by light induction element to its corresponding aperture.Alternatively, the quantity of light induction element is less than
The quantity of aperture, a part of light beam from beam splitter are directly incident on the aperture of the light beam institute direction, another part light beam point
It is not guided by light induction element to its corresponding aperture.In one example, which includes a light induction element.
Beam splitter will be divided into two light beams by the light beam of imaging lens system.One of light beam is towards the first aperture 131, and as above-mentioned the
One light beam.The light induction element guides another light beam to the second aperture 132, to form above-mentioned second light beam.
By the first light beam of light splitting part 120 after the first aperture 131, the first image-forming block 141 is reached；Through excessive
Second light beam of light component 120 reaches the second image-forming block 142 after the second aperture 132.It is appreciated that as shown in Figure 1,
In the device 100, the part in 140 left side of image-forming assembly is the stage of optical signal propagation.First image-forming block 141 is according to first
Light beam generates the first image, and the second image-forming block 142 generates the second image according to the second light beam.That is 141 He of the first image-forming block
The optical signal received is converted to the electric signal of expression image by the second image-forming block 142.It is appreciated that as shown in Figure 1, at
As the part on 140 right side of component is the stage of Electric signal processing.In this application, image-forming block every image generated can be with
Referred to as initial pictures, such as aforementioned first image and the second image are two initial pictures.
Illustratively, image-forming block can be imaging sensor, such as photosensitive coupling element (charge-coupled
Device, CCD) and complementary metal oxide semiconductor CMOS active pixel sensor (CMOS Active pixel sensor)
Deng.
Initial pictures that ISP 150 is used to generate the first image-forming block and the second image-forming block (such as the first image and the
Two images) image co-registration processing is carried out, to generate target image.It is bright in target image relative to the first image or the second image
What degree upper zone and the details of brightness lower region can be shown is more clear.
In the device 100, the light passing amount of the first aperture 131 and the second aperture 132 can be set as different.By means of first
Aperture 131 and the second aperture 132 can be controlled separately the light quantity for respectively entering corresponding image-forming block in the optical path.For example,
The light passing amount of aperture can be changed by changing the f-number (i.e. F value) of aperture.By the first aperture 131 and the second aperture 132
Light passing amount be set as different, although as a result, the first image-forming block 141 and the second image-forming block 142 simultaneously to same target into
Row imaging, but because entering, the first image-forming block 141 is different with the light quantity of the second image-forming block 142, and the two generates respectively
The first image and the second image brightness it is different.
In one example, the f-number of the first aperture 131 is set as F2.8, and the f-number of the second aperture 132 is set as F16.
Because the f-number of the first aperture 131 is smaller, the light quantity for entering the first image-forming block 141 is relatively more.First imaging section
First image generated of part 141 is partially bright, and the details of the darker area of target presents preferable.On the contrary, because the second aperture 132
F-number it is larger, the light quantity for entering the second image-forming block 142 is relatively fewer.Second image-forming block 142, second figure generated
As partially dark, the details of the brighter areas of target presents preferable.In this way, passing through the first image of fusion and the second image in ISP 150
And in the target image generated, no matter darker area or brighter areas have the details being more clear performance.
It will appreciated by the skilled person that the first aperture and the second aperture in above example are only signals,
Rather than it limits.It may include more than two aperture in device 100, the light passing amount of these apertures is different.In this case,
Further include for each aperture, in device 100 and its one-to-one image-forming block.In other words, the aperture quantity in device 100
Identical as image-forming block quantity, there are one-to-one relationships between aperture and image-forming block.Thus, it is possible in the target image more
The part that each brightness of target is ideally presented, to generate the target image of better quality.
Above-mentioned photographic device 100 can shoot the image for meeting performance requirement.Light passing by controlling aperture measures not
With the image of brightness, solve the problems, such as that difference in brightness is excessive between various pieces in target subject.This avoid using not
With image streaking problem caused by the time for exposure.Target image obtained is apparent as a result,.
Optionally, photographic device 100 further includes display panel (not shown).Display panel can show that ISP150 is exported
Target image.
Optionally, photographic device further includes exposure control unit (not shown).Exposure control unit can be according to mesh shot
Target brightness controls exposure time.For example, the brightness of target subject is bigger, exposure time is shorter；Conversely, then exposure time is got over
It is long.Exposure control unit can determine the brightness of target subject according to the initial pictures that at least one image-forming block exports.
In one example, exposure control unit is for controlling image-forming block (such as the first image-forming block 141 and the second imaging
Component 142) it is exposed in the same period.The exposure time phase of multiple initial pictures shot as a result, using photographic device 100
Together.Using identical exposure time, shot image angle is consistent and shooting process is fully synchronized.The smear problem of image as a result,
Also it is just fundamentally resolved.
In one example, exposure control unit includes control unit and shutter.Control unit is connect with shutter, for controlling
The speed of shutter processed.Control unit can be located in ISP, can also be located at the other positions of photographic device.For example, shutter can be with
It is arranged between imaging lens system and beam splitting means, such a shutter can control the exposure time of all image-forming blocks simultaneously.
Alternatively, shutter can be set between aperture and image-forming block or other positions.
Illustratively, the image-forming block in image-forming assembly is coaxially oppositely arranged with corresponding aperture.Such as above-mentioned
One image-forming block 141 can be coaxially oppositely arranged with the first aperture 131, and the second image-forming block 142 can be same with the second aperture 132
Axis is oppositely arranged, and the corresponding relationship of image-forming block and aperture is consequently formed.So set, optical path can be made simple, avoid excessive
The use of the optical elements such as prism reduces the complexity and cost of photographic device.
Illustratively, each aperture of aperture parts can be arranged relative to the axial symmetry of imaging lens system.Such as above-mentioned
One aperture 131 and the second aperture 132 can be symmetrical arranged relative to the trunnion axis of imaging lens system 110.Image-forming block and aperture class
Seemingly, can also axisymmetrically, equably be arranged relative to the level of imaging lens system.Such as above-mentioned first image-forming block 141 and
Two image-forming blocks 142 can also be symmetrically arranged relative to the trunnion axis of imaging lens system 110.It is a plurality of by above-mentioned set-up mode
Optical path for generating initial pictures is symmetrical, is conducive to the mounting process for simplifying photographic device.
Fig. 2 shows the schematic block diagrams of photographic device 200 according to another embodiment of the present invention.The device 200 includes
Imaging lens system 210, beam splitting means 220, aperture assemblies 230, image-forming assembly 240 and ISP 250.Wherein, imaging lens system 210, light
The function of coil assembly 230, image-forming assembly 240 and ISP 250 and structure respectively with imaging lens system 110 described in detail above,
The function of aperture assemblies 130, image-forming assembly 140 and ISP 150 is similar with structure.For sake of simplicity, details are not described herein.
In device 200, beam splitting means 220 include beam splitter 221 and light guide structure.Light guide structure includes two light
Induction element 222.
In this embodiment, beam splitter 221 is refracting element.It will appreciated by the skilled person that refracting element
It is only illustrative, rather than limits.Beam splitter 221 is used to that different refractions will to be carried out by the light beam of imaging lens system 110, with life
At the light beam of different directions.Optionally, which is carried out mean refraction by beam splitter 221, to be classified as identical light quantity
Multiple portions.In the embodiment shown in Figure 2, which is equally divided by beam splitter 221 is respectively facing two light induction elements
One of 222 two light beams.
In this embodiment, each smooth induction element 222 is also refracting element.Light induction element 222 is respectively used to institute
Received light beam is reflected, to generate towards different aperture light beams.In other words, each smooth induction element 222 is used for one
Light beam refracts to corresponding aperture.In the embodiment shown in Figure 2, one of light induction element 222 reflects the received light beam of institute
For towards the light beam of the first aperture 231, the received light beam of institute is refracted as towards the second aperture by another light induction element 222
232 light beam.
Illustratively, above-mentioned refracting element can include but is not limited to triangular prism etc..
The above-mentioned realization of beam splitting means 220 is simple and easy, ensure that photographic device 200 is easily realized.
Fig. 3 shows the schematic block diagram of the photographic device 300 of another embodiment according to the present invention.The device 300 includes
Imaging lens system 310, beam splitting means 320, aperture assemblies 330, image-forming assembly 340 and ISP 350.Wherein, imaging lens system 310, light
The function of coil assembly 330, image-forming assembly 340 and ISP 350 and structure respectively with imaging lens system 110 described in detail above,
The function of aperture assemblies 130, image-forming assembly 140 and ISP 150 is similar with structure.Similarly with device 200, in device 300,
Beam splitting means 320 include beam splitter 321 and light guide structure.Light guide structure includes two light induction elements 322.Wherein beam splitting
Device 321 and 221 function of beam splitter in device 200 are similar with structure.For sake of simplicity, repeating no more.
In this embodiment, each smooth induction element 322 is reflecting element.Light induction element 322 is respectively used to be connect
The light beam of receipts reflexes to corresponding aperture.In the embodiment shown in fig. 3, one of light induction element 322 is by the received light beam of institute
It is reflected into the light beam towards the first aperture 331, the received light beam of institute is reflected into towards the second light by another light induction element 322
The light beam of circle 332.Reflecting element can include but is not limited to reflecting mirror etc..Reflecting mirror can include but is not limited to total reflective mirror or half
Saturating semi-reflective mirror etc..
Fig. 4 shows the schematic block diagram of photographic device 400 according to yet another embodiment of the invention.The device 400 includes
Imaging lens system 410, beam splitting means 420, aperture assemblies 430, image-forming assembly 440 and ISP 450.Wherein, imaging lens system 410, light
The function of coil assembly 430, image-forming assembly 440 and ISP 450 and structure respectively with imaging lens system 110 described in detail above,
The function of aperture assemblies 130, image-forming assembly 140 and ISP 150 is similar with structure.Similarly with device 200, in device 400,
Beam splitting means 420 include beam splitter 421 and light guide structure.Light guide structure includes two light induction elements 422.Wherein beam splitting
Device 421 and 221 function of beam splitter in device 200 are similar with structure.For sake of simplicity, repeating no more.
In this embodiment, a light induction element 422 is refracting element, for the received light beam of institute to be refracted to correspondence
Aperture.Another light induction element 422 is reflecting element, for the received light beam of institute to be reflexed to corresponding aperture.In Fig. 4
Shown in embodiment, a light induction element 422 by received light beam be refracted as the light beam towards the first aperture 431, separately
One light induction element 322 by received light beam be reflected into the light beam towards the second aperture 332.
Schematically, photographic device can also include diaphragm control unit part, for controlling aperture when shooting image, with
The light passing amount of the aperture is set to be set as different.
In some embodiments, diaphragm control unit part determines shot according to the initial pictures that at least one image-forming block exports
The brightness of target.Optionally, diaphragm control unit part controls at least two apertures according to the brightness of target subject.For example, if shot
The brightness of target is greater than or equal to the first predetermined luminance, then it is pre- to be greater than first for the f-number of any aperture at least two apertures
If value；If the brightness of target subject, less than the second predetermined luminance, the f-number of any aperture at least two apertures is less than
Second preset value.
In one example, diaphragm control unit part is ISP.In other words, ISP can be also used in addition to being used for image co-registration
The aperture in photographic device is controlled, keeps its light passing amount suitable.
In one example, ISP is for according to the brightness of the different zones of target subject, automatically controlling aperture respectively.?
In above-described embodiment, ISP can control the first aperture according to the inclined dark areas of target and obtain lesser f-number, preferably to clap
Take the photograph the inclined dark areas of target；The second aperture is controlled according to the inclined bright area of target and obtains biggish f-number, preferably to shoot
The inclined bright area of target.
In another example, ISP can be used for controlling aperture depending on the user's operation.User can empirically be each
Desired f-number is respectively set in a aperture, and carries out corresponding setting operation.Photographic device receives the operational order of user,
ISP controls each aperture according to the operational order.
In another example, diaphragm control unit part is a special-purpose member, is exclusively used in controlling light when shooting image
Circle, so that the light passing amount of the aperture is set as different.The control can be based on mechanically operated.For example, user can
To manually adjust the diaphragm control unit part, each aperture is respectively set to desired f-number to realize.Diaphragm control unit part
Such as it is embodied as aperture control ring.It should be understood that diaphragm control unit part is also possible to send out based on controller or ISP to the control of aperture
The instruction operation sent.
According to a further aspect of the invention, a kind of image capture method is additionally provided.Fig. 5 is shown according to an embodiment of the present invention
Image capture method 500 schematic flow chart.As shown in figure 5, method 500 include step S510, step S520, step S530 and
Step S540.
In step S510, the light beam from target subject is collected.
In step S520, the light beam collected in step S510 is divided into and is respectively facing each of at least two apertures
Different light beams.It is appreciated that there are how many a apertures, and incident light to be divided into how many a light beams.Exist between light beam and aperture
One-to-one relationship.Wherein the light passing amount of at least two aperture is set as different.
In step S530, photoelectric conversion will be carried out by the light beam of at least two aperture respectively, to generate correspondence
At least two initial pictures.For the light beam by any aperture, an initial pictures are generated all in accordance with it.
In step S540, at least two initial pictures generated in step S530 are subjected to image co-registration processing, with
Generate target image.It is appreciated that step S540 can be completed by the ISP of photographic device.
Above-mentioned image capture method 500 measures the image of different brightness by the light passing of the aperture in control photographic device, and
The image of different brightness is carried out image co-registration to handle to obtain target image, solves brightness between various pieces in photographic subjects
The excessive problem of difference.This also avoids using image streaking problem caused by different exposure times.It is obtained as a result,
Target image is apparent.
Illustratively, the step S520 in the method 500 can specifically include following sub-step.
The incident light is carried out different refractions by step S521, to generate the light beam of different directions；And
Step S522 respectively reflects the light beam of the different directions again, described to be respectively facing described in generation
The different light beams of each of at least two apertures.
Illustratively, during generating above-mentioned initial pictures, the exposure time of initial pictures is identical.Optionally, root
According to the brightness of target subject, exposure time is determined.Such as：The brightness of target subject is bigger, then exposure time is shorter；Target subject
Brightness it is darker, then exposure time is longer.
Illustratively, the method 500 can also include the brightness according to target subject, control at least two light
Circle.For example, the brightness of target subject is greater than or equal to the first predetermined luminance, the then aperture of any aperture at least two apertures
Value is greater than the first preset value；The brightness of target subject is less than the second predetermined luminance, then any aperture at least two apertures
F-number is less than or equal to the second preset value.
Illustratively, the method 500 can also include that instruction depending on the user's operation controls at least two aperture.
Those of ordinary skill in the art by read above for photographic device description it will be appreciated that the above method step
Suddenly, realization and advantage, therefore which is not described herein again.
Although describing example embodiment by reference to attached drawing here, it should be understood that above example embodiment are only exemplary
, and be not intended to limit the scope of the invention to this.Those of ordinary skill in the art can carry out various changes wherein
And modification, it is made without departing from the scope of the present invention and spiritual.All such changes and modifications are intended to be included in appended claims
Within required the scope of the present invention.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions actually with hardware still
Software mode executes, specific application and design constraint depending on technical solution.Professional technician can be to each
Specific application is to use different methods to achieve the described function, but this realization is it is not considered that exceed model of the invention
It encloses.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, apparatus embodiments described above are merely indicative, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be tied
Another equipment is closed or is desirably integrated into, or some features can be ignored or not executed.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the present invention and help to understand one or more of the various inventive aspects,
To in the description of exemplary embodiment of the present invention, each feature of the invention be grouped together into sometimes single embodiment, figure,
Or in descriptions thereof.However, the method for the invention should not be construed to reflect following intention：It is i.e. claimed
The present invention claims features more more than feature expressly recited in each claim.More precisely, such as corresponding power
As sharp claim reflects, inventive point is that the spy of all features less than some disclosed single embodiment can be used
Sign is to solve corresponding technical problem.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in this specific
Embodiment, wherein each, the claims themselves are regarded as separate embodiments of the invention.
It will be understood to those skilled in the art that any combination pair can be used other than mutually exclusive between feature
All features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed any method
Or all process or units of equipment are combined.Unless expressly stated otherwise, this specification (is wanted including adjoint right
Ask, make a summary and attached drawing) disclosed in each feature can be replaced with an alternative feature that provides the same, equivalent, or similar purpose.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of any
Can in any combination mode come using.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
The above description is merely a specific embodiment or to the explanation of specific embodiment, protection of the invention
Range is not limited thereto, and anyone skilled in the art in the technical scope disclosed by the present invention, can be easily
Expect change or replacement, should be covered by the protection scope of the present invention.Protection scope of the present invention should be with claim
Subject to protection scope.
Claims (10)
1. a kind of photographic device, including imaging lens system, beam splitting means, at least two apertures, at least two imagings set gradually
Component and image-signal processor, at least two aperture and at least two image-forming block correspond,
The imaging lens system is for collecting the light beam from target subject；
The beam splitting means are used to be divided by the light beam of the imaging lens system and be respectively facing at least two aperture
The different light beams of each, wherein the light passing amount of at least two aperture is set as different；
Each image-forming block at least two image-forming block turns for that will carry out photoelectricity by the light beam of corresponding aperture
It changes, to generate initial pictures；
At least two initial pictures that described image signal processor is used to generate at least two image-forming block carry out figure
As fusion treatment, to generate target image.
2. the apparatus according to claim 1, wherein described device further includes diaphragm control unit part, in shooting image
When, at least two aperture is controlled, so that the light passing amount of at least two aperture is set as different.
3. the apparatus of claim 2, wherein the diaphragm control unit part is specifically used for according to the target subject
Brightness controls at least two aperture.
4. device according to any one of claim 1 to 3, wherein described device further includes：Exposure control unit is used
It is exposed in controlling at least two image-forming block in the same period.
5. device according to any one of claim 1 to 3, wherein the beam splitting means include：
Beam splitter, for the light beam for passing through the imaging lens system to be divided at least two light beams；And
Light guide structure, for guiding at least one light beam at least two light beam at least two aperture
At least one aperture.
6. device according to claim 5, wherein the smooth guide structure includes at least one light induction element, described
Light induction element and the aperture correspond.
7. device according to claim 6, wherein
Each smooth induction element is refracting element, wherein each refracting element is used to a light beam refracting to corresponding aperture；
Alternatively,
Each smooth induction element is reflecting element, wherein each reflecting element is used to a light beam reflexing to corresponding aperture；
Alternatively,
At least one described light induction element be it is multiple, at least one described light induction element include at least one refracting element and
At least one reflecting element, wherein each refracting element is used to a light beam refracting to corresponding aperture, each reflecting element
For a light beam to be reflexed to corresponding aperture.
8. a kind of image capture method, including：
Collect the light beam from target subject；
The light beam is divided into the different light beams for being respectively facing each of at least two apertures, wherein described at least two
The light passing amount of aperture is set as different；
Photoelectric conversion will be carried out by the light beam of at least two aperture respectively, to generate at least two initial pictures；And
At least two initial pictures are subjected to image co-registration processing, to generate target image.
9. according to the method described in claim 8, wherein, the method also includes：
According to the brightness of the target subject, at least two aperture is controlled.
10. method according to claim 8 or claim 9, wherein the exposure time of at least two initial pictures is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693337.9A CN108881677A (en) | 2017-08-14 | 2017-08-14 | Photographic device and image capture method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693337.9A CN108881677A (en) | 2017-08-14 | 2017-08-14 | Photographic device and image capture method |
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| CN201710693337.9A Pending CN108881677A (en) | 2017-08-14 | 2017-08-14 | Photographic device and image capture method |
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Cited By (1)
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| CN110166675A (en) * | 2019-06-14 | 2019-08-23 | 深圳扑浪创新科技有限公司 | Synchronous shooting device and sync pulse jamming method |
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