CN108289170A - The camera arrangement and method of metering region can be detected - Google Patents
The camera arrangement and method of metering region can be detected Download PDFInfo
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- CN108289170A CN108289170A CN201810030737.6A CN201810030737A CN108289170A CN 108289170 A CN108289170 A CN 108289170A CN 201810030737 A CN201810030737 A CN 201810030737A CN 108289170 A CN108289170 A CN 108289170A
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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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
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
Abstract
The present invention proposes a kind of camera arrangement that can detect metering region, including：Processor and memory, the memory include the instruction that can be executed by the processor, and described instruction includes following operation：Acquire image including depth information；The depth information is analyzed to determine metering region.The present invention also proposes a kind of photographic method that can detect metering region.The camera arrangement and method that can detect metering region of the present invention, metering region is automatically determined using depth information, to which there is only when the face of part in backlight light intensity is improper or viewing field of camera, also human face region can be automatically identified, captured image definition, exposure, color saturation disclosure satisfy that the general requirement of user, greatly improve the experience of taking pictures of user.
Description
Technical field
Camera apparatus field of the present invention, more particularly to a kind of camera arrangement and method that can detect metering region.
Background technology
Self-timer one of activity relatively common in having become for people's lives, matches on the computing devices such as mobile phone, computer, tablet
Standby camera, and shooting is controlled to complete self-timer, big portion by being configured to control the software and hardware of camera in a device
The state of display screen real-time display subject is also equipped in the equipment divided.The quality of photo depends on many factors, such as
Focusing, exposure of camera etc., the experienced personnel of taking pictures can be by adjusting the parameters of these factors to high quality of taking pictures out
Photo, however and not all user all have this ability.
In this regard, more and more cameras or relevant camera arrangement all have adjust automatically ability, such as auto-focusing
(AF) technology, automatic exposure (AE) technology etc..With the development of human face detection tech, automatic human face detection tech can also be realized
Auto-focusing, automatic exposure quickly automatically are carried out to face, to realize the self-timer of high quality.
However, in some conditions, these technologies are difficult to be applied.For example when backlight light intensity is too strong, lead to face
Field strength is too weak so that can not detect face；In addition, for there is only part face or face parts in viewing field of camera
Also face can not be detected when region is blocked automatically.These conditions reduce the experience of taking pictures of user.
Invention content
The purpose of the present invention is to solve there is only portions during backlight light intensity in the prior art is improper or viewing field of camera
The problem of the experience difference of taking pictures of user, proposes a kind of camera arrangement and method that can detect metering region when dividing face.
The camera arrangement that can detect metering region of the present invention, including：Processor and memory, the memory include
The instruction that can be executed by the processor, described instruction include following operation：Acquire image including depth information；Described in analysis
Depth information is to determine metering region.
In a preferred embodiment, described instruction further includes following operation：Calculate the variable of the metering region simultaneously
It is compared with predetermined threshold value, adjusts the parameter of camera based on comparative result.In preferred embodiment, the variable
Pixel value including reflecting light intensity, the parameter include one or more in shutter speed, aperture size, sensitivity；Or
In preferred embodiment, the variable includes distance, and the parameter includes the lens focus of the camera.
In a preferred embodiment, the image including depth information includes depth image and two dimensional image, described
Two dimensional image includes one or more in coloured image, gray level image.
In a preferred embodiment, the analysis depth information is to determine that metering region further includes following sub-step
Suddenly：Obtain the closest approach in the depth information；The metering region is determined according to closest approach.Or in preferred embodiment
In, the analysis depth information is to determine that metering region further includes following sub-step：The depth information is analyzed with determination
Objective contour；Metering region is calculated according to the objective contour.
The present invention also proposes that a kind of computer-readable medium including computer program, the computer program can be operated
To make computer execute following operation：Image including depth information is acquired using camera；The depth information is analyzed with determination
Metering region；The variable of the metering region is calculated to adjust the parameter of the camera；According to the parameter acquisition figure after adjustment
Picture.
The present invention also proposes a kind of photographic method that can detect metering region, includes the following steps：It is acquired using camera
Image including depth information；The depth information is analyzed to determine metering region；Calculate the variable of the metering region with
Adjust the parameter of the camera；According to the parameter acquisition image after adjustment.
In a preferred embodiment, further include following before the image including depth information using camera acquisition
Step：Image is acquired using camera；Analysis described image exists to judge whether there is target, if in the presence of without target, into
Row can detect the photographic method of metering region as described above.
Compared with prior art, beneficial effects of the present invention have：
The camera arrangement and method that can detect metering region of the present invention, metering zone is automatically determined using depth information
Domain, and then adjust automatically camera parameter, in backlight light intensity is improper or viewing field of camera there is only when the face of part,
Human face region can be automatically identified, captured image definition, exposure, color saturation disclosure satisfy that the one of user
As require, greatly improve the experience of taking pictures of user.
Description of the drawings
Fig. 1 is that user takes pictures schematic diagram in one embodiment of the invention.
Fig. 2 is the camera arrangement structural schematic diagram that metering region can be detected in one embodiment of the invention.
Fig. 3 is camera parameter adjust automatically flow chart in one embodiment of the invention.
Fig. 4 is the flow chart for determining metering region in one embodiment of the invention using depth image.
Fig. 5 is that metering region determines flow chart in one embodiment of the invention.
Fig. 6 is camera arrangement and schematic diagram of taking pictures in one embodiment of the invention.
Fig. 7 is endless full face metering region schematic diagram in one embodiment of the invention.
Fig. 8 is the metering region schematic diagram that part face is blocked in one embodiment of the invention.
Specific implementation mode
With reference to embodiment and compares attached drawing the present invention is described in further details.Wherein identical attached drawing
Label indicates identical component, unless stated otherwise.It is emphasized that following the description is only exemplary, without
It is to limit the scope of the invention and its apply.
Fig. 1 is that user according to an embodiment of the invention takes pictures schematic diagram.User 10 holds camera arrangement 11 to oneself
It takes pictures to obtain image, when taking pictures by the camera 111 of camera arrangement 11 alignment user face 101 to acquire face's figure
Picture.This shooting style is commonly referred to as self-timer, in some embodiments, camera arrangement 11 can also by other users control or
Automatically it takes pictures to user.The camera 111 for taking pictures is provided in camera arrangement 11, camera can be distributed in device not
Same position, such as the front and rear surfaces of device are both provided with photographing camera；Camera 111 can be color camera, gray scale camera, wide-angle
Any suitable camera types such as camera, focal length camera, light-field camera, depth camera, double cameras, captured image are corresponding
May include colored (such as RGB image), gray scale two dimensional image, can also including depth image etc. 3-D views.
When to portrait, especially face is taken pictures, generally require to focus to human face region clear to face to realize
Clear imaging.In addition to focal length, influence image quality also has shutter, aperture, sensitivity etc., these are referred to as exposure ginseng later
Number, exposure parameter, which is reasonably arranged, will make human face region be presented with rational brightness, expose to avoid a small amount of exposure or excessively
The situation of light.
The present invention will provide a kind of camera arrangement that can detect metering region, being capable of adjust automatically phase during taking pictures
Machine parameter will be illustrated so that color camera, captured image are RGB image as an example in the explanation below.It is appreciated that
, the solution of the present invention is also applied for other cameras.
Fig. 2 is camera arrangement structural schematic diagram according to an embodiment of the invention.Camera arrangement includes camera processor
20, camera 21, memory 24 can also include display 22, depth camera 23 in some embodiments.
Camera 21 includes lens 210, aperture 211, imaging sensor 212, shutter (not shown) and camera lens adjustment
System 213 etc..Lens 210 are used to target light being gathered in imaging sensor 212, and imaging sensor 212 receives light simultaneously
Convert optical signals into electric signal, electric signal by after the processing of image processor (not shown) to export the image of target.
During taking pictures, camera lens adjustment system 213 is adjusted for controlling camera lens comprising realize the Mechanical Driven of adjustment, such as
Fast door motor, voice coil motor etc..
Camera 21 is connect with processor 20, processor 20 be used for receives by camera 21 transmission Lai image data, image can
It is shown with being further transmitted to display 22.Meanwhile processor 20 can be also used for the adjustment of control camera, for example send out
Go out to control signal to camera lens and adjusts system to realize the adjustment of focal length, exposure parameter.
For having the camera arrangement of adjust automatically ability, the relative program containing adjust automatically, such as automatically
Focusing program 240, automatic exposure program 241 etc., are stored in memory 24, when activating corresponding automatic regulating function,
Processor 20 will call corresponding adjust automatically program and be executed from memory 24.Memory 24 can be any kind of
Storage medium, such as ROM, RAM, FLASH etc..Memory 24 can also include metering region detection program 242, RGBD registration journeys
Sequence 243 can also be included in the ephemeral data etc. generated in program process.
Processor 20 can be made of single or multiple processor units.Display 22 can also include touch function with reality
Now with the interaction of user.
Depth camera 23 is used for sampling depth image, will use the depth camera of active optical illumination in the present invention, such as
Infrared structure optical depth camera, TOF depth cameras etc..In sampling depth image, master is provided first with active light illuminator
Dynamic optical illumination, such as floodlight, Structured Illumination etc..Depth camera 23 can be that integrated single camera can also be with camera 21
Independent camera.When being independent camera, since the difference of position leads to have parallax to the two in space, in some applications
It needs the image of the two being registrated.In one embodiment, camera 21 is RGB camera, and registration procedure is that RGBD is registrated journey
Sequence 243.After camera 21 and depth camera 23 obtain RGB image with depth image, RGBD is executed by processor 20 and is registrated journey
Sequence 243, realization RGB image are aligned with depth image.When being integrated camera, it is possible to understand that the camera is for obtaining
Take image including depth information, such as RGBD images etc..
Fig. 3 is the flow chart of camera parameter adjust automatically according to an embodiment of the invention.It is with automatic exposure function
Example carries out step S301 after program starts, and processor control camera is imaged target and acquires target image, then
Step S302 is carried out, determines that the flash spotter amount region in image, flash spotter amount region are the area for needing blur-free imaging in image
Domain, such as human face region.The determination in flash spotter amount region can also call in the adjust automatically program process of the present invention
Metering region detects program to determine, for example the metering region based on Face datection detects program, is detected automatically by the program
To human face region, using human face region as flash spotter amount region.In some embodiments, flash spotter amount region can also be by user
Manually determined, such as by touching interaction come designated photometric metering region.Then step S303 is carried out, is calculated in metering region
Variable, variable can be the pixel values (average value or weighted average etc.) for reflecting light intensity in the region, can also
It is the numerical value of reflection image definition or brightness that other modes define.Next step S304 is executed, i.e., according to variable tune
Whole camera parameter, more specifically, be in one embodiment compared variable with preset threshold value, such as variable
It is to set a threshold to the 18% of pixel value maximum value, the i.e. pixel format for 8, pixel in the case of average pixel value
Threshold value is then chosen for 46 by value between 0~255.When variable is less than 46, adjustment exposure parameter is as reduced shutter speed
Degree, the sensitivity (ISO) etc. for improving f-number, improving imaging sensor, on the contrary it is then toward opposite direction adjustment exposure parameter.Most
Afterwards, processor adjusts system 213 by camera lens according to the parameter after adjustment and is adjusted to camera 21, and based on the ginseng after adjustment
Number acquisition image (305).It should be noted that in step S301, the target image that processor control camera is acquired is
Preview image, general pattern poor display effect, and in step S305, based on the parameter acquisition image after adjustment, exposure and
Clarity has been transferred to preferable state, is generally possible to meet the requirement of taking pictures of user.
For auto-focusing program, principle is similar with automatic exposure program, unlike, metering region can be face area
Domain can also be a single point, the variable of metering region be focusing area/range information, the camera parameter adjusted is mirror
The focal length of head.
Core link in adjust automatically program is the determination of metering region, the metering region inspection based on conventional face's identification
Survey mode is defective, i.e., when backlight is too strong or human face region is not full-time, it is difficult to human face region is detected, to cannot achieve certainly
Dynamic adjustment.
Fig. 4 is the flow chart according to an embodiment of the invention that metering region is determined using depth image.The flow chart
The instruction repertorie of reflection can be the part in adjust automatically program such as auto-focusing program 240, automatic exposure program 241,
It can also be the part in other programs, such as metering region detection program 242 either metering region detection program 242.
After program starts, step S401 is carried out, processor will call depth camera sampling depth image, and then carry out step S402, point
The depth image is analysed, judging whether there is face based on analysis result exists, and in the presence of having face, then carries out step S403, i.e.,
Metering region is determined according to face；When face is not detected, then step S404 is carried out, obtains the closest approach in depth image,
Then step S405 is carried out, metering region is determined according to the region where closest approach.In step S402, using depth image into
Any appropriate method, such as template matching method, feature extraction etc. may be used in the method for row Face datection.Due to depth image
Acquisition be often based upon active optical illumination, such as infrared light, therefore the backlight shadow suffered by the Face datection based on depth image
Sound is smaller, to solve the problems, such as that tradition causes Face datection to fail by backlight intensity is improper.
In some embodiments, when only part face is in depth image, based on template matches, feature extraction etc.
Face datection algorithm will be difficult to detect human face region.In view of when taking pictures, face is the region nearest from camera, therefore
Human face region can be determined in one embodiment by searching closest approach in depth image.It obtains first in step s 404
Closest approach in depth image, it should be noted that closest approach here not just refers to single pixel point, can also refer to multiple pictures
Secondly the region of element composition determines metering region in step S405 according to closest approach, such as using region-growing method by nearest
Point grows human face region；In some embodiments, it is also possible to be partitioned into the various pieces of image by image segmentation algorithm, contain
It is human face region to have the part of closest approach；In some embodiments, the geodesic distance calculating method based on closest approach can be utilized
It is partitioned into human face region.
In the embodiment shown in fig. 4, in step S403 or step S405 metering zone is got using depth image
It, can also will be in the step S302 in the metering region application embodiment illustrated in fig. 3 adjust automatically flow behind domain.Work as depth camera
23 with camera 21 when being independent camera, due between each other with the presence of parallax, the step for also need to that RGBD is called to match
Quasi-ordering 243 is to realize being aligned for depth image and RGB image, so as to be obtained according to the metering region in depth image
Metering region in RGB image.In some embodiments, depth camera 23 is integrated with camera 21, it is possible thereby to simultaneously
The depth image and RGB image of not parallax are obtained, in other words, obtains the RGB image containing depth information.
It is understood that in some embodiments, it is also possible to removing step S402 and step S403, i.e., in step S401
It is middle acquired depth image after, directly carry out step S404 and S405, that is, obtain the closest approach in depth image, and most according to this
Near point obtains metering region, it is possible thereby to quickly carry out the positioning of metering region, to skip pictures analysis, Face datection
Complicated and time-consuming process.
In some embodiments, it is also possible to determine metering region with depth image in conjunction with based on RGB image.Fig. 5 is root
Flow chart is determined according to the metering region of one embodiment of the invention.After program starts, step S501 is carried out first, that is, is acquired
Then RGB image carries out step S502, analyze the RGB image to judge whether there is face presence, in the presence of having face, then
Step S503 is carried out, i.e., metering region is determined according to face, if face, which is not detected, (occurs that backlight is too strong, face is not congruent
When condition) when, then flow, embodiment shown in Fig. 5 are determined using the metering region based on depth image as shown in Figure 4
In, step S504 and step S505, i.e. depth image in acquisition and analysis depth viewing field of camera are specifically included, based on analysis knot
Fruit judges whether there is face presence, in the presence of having face, then carries out step S506, i.e., determines metering region according to face；When
When face is not detected, then step S507 is carried out, obtain the closest approach in depth image, step S508 is then carried out, according to most
Region where near point determines metering region.It can also be appreciated that as described above, in some embodiments, can remove
Step S505 and step S506 after having acquired depth image in step S504, directly carries out step S507 and S508, that is, obtains
The closest approach in depth image is taken, and metering region is obtained according to the closest approach, thus quickly carries out the positioning of metering region,
To skip pictures analysis, the complexity of Face datection and time-consuming process.
Fig. 6 is camera arrangement according to an embodiment of the invention and schematic diagram of taking pictures.Device 60 includes for acquiring RGB
The Front camera 602 of image, for sampling depth image structure light depth camera (including infrared structure light projection module 604,
Infrared camera 601), display 605, processor (not shown) and other sensors 603.User using device 60 into
When row self-timer, processor opens Front camera 602 to acquire the RGB image of current face and by 61 real-time display of facial image
On display 605, being followed by subsequent processing device will call and executes adjust automatically program (such as auto-focusing program, automatic exposure program
Deng) to realize auto-focusing and exposure.Specific method can be found in above-mentioned combination Fig. 3 to Fig. 5 described embodiments.
In Fig. 4 and embodiment shown in fig. 5, related in step S403, step S405, step S506 and step S508
And to the algorithm for determining metering region based on face.Usually, the output of traditional two-dimension human face detection algorithm is comprising face
Square region.In view of some intensity for exposing abnormal situation human face edge have obviously relative to the intensity of intermediate region
Variation, if by metering region be arranged it is excessive contain face fringe region when, will be inaccurate when carrying out variable calculating
(variable needs to accurately reflect the intensity of human face region, if including edge or face perimeter, variable cannot be accurate
Reflect the intensity of human face region), therefore, square region is generally set less than human face region, only includes face main feature
Region, such as the metering region 62 in human eye, nose, face, such as Fig. 6.
When metering region is less than face, and it will appear the situation that variable cannot completely reflect whole face intensity.
In the present invention, when carrying out Face datection using depth image, such as in the above-described method for detecting human face based on closest approach,
It can detect the edge contour (such as image segmentation, region-growing method etc.) of face, facial contour as shown in Figure 6
63, the nearly elliptical region (such as geodesic distance method etc.) for including face main portions can also be detected, due to the wheel of face
Exterior feature is inherently similar to ellipse, thus for convenience of description for the sake of, by the nearly ellipse detected by geodesic distance method etc.
Region is also considered as facial contour.Face intensity value can be accurately reflected by then carrying out variable calculating to the metering region
(intensity value reflects clarity, the exposure etc. of image).In some embodiments, it is also possible to which metering region to be carried out to certain contracting
Subtract, for example contour area is reduced into several pixel values, to avoid the problem that fringe region Strength Changes are apparent.It needs to illustrate herein
, based on the nearly elliptical region of detections such as geodesic distance method, can according to the closest approach determined in above-mentioned depth image come into
Row detection can also use other methods, such as be detected by the lattice information in analysis depth image main comprising face
The nearly elliptical region at position.
In some embodiments, Front camera 602 can also include multiple cameras, such as double cameras.It at this time can profit
RGBD is carried out after obtaining depth image with depth camera with the image of two cameras respectively to be registrated, in terms of obtaining depth image
It measures region and is applied to double cameras further to carry out auto-focusing, automatic exposure etc..
Fig. 7 is endless full face metering region schematic diagram according to an embodiment of the invention.Fig. 8 is according to the present invention one
A embodiment blocks face metering region schematic diagram.Fig. 7, Fig. 8 unlike embodiment illustrated in fig. 6, current face due to
Part appears in viewing field of camera or is blocked, and only includes part face in captured image, since face information is not complete,
Face datection algorithm in prior art is difficult to out face location.Metering zone will be carried out using depth image in the present invention
Domain is detected, such as based on the above-described method for detecting human face based on closest approach, you can to obtain human face region in the figure 7
Profile 70, obtains the profile 80 of human face region in fig. 8, and is based further on the profile and determines metering region.
It is understood that method or apparatus shown in the above various embodiments can be used for its other than face is taken pictures
He takes pictures at object, for example Whole Body is taken pictures, animal is taken pictures.It herein can be by facial contour, whole body profile, animal profile etc.
It is photographed object and is referred to as objective contour, it, can when the objective contour is due to partly appearing in viewing field of camera or being blocked
With metering region detection device through the invention, analysis depth image determines the objective contour, then further according to the target
Profile calculates metering region.The present invention when determining objective contour, can be based on above-mentioned depth information by analysis depth image
In closest approach, such as image segmentation, region-growing method etc., can also be examined by the lattice information in analysis depth image
It surveys comprising being photographed the regions of object main portions, and objective contour is determined with this.
It may be noted that according to the needs of implementation, each step/component described in the present invention can be split as more multistep
The part operation of two or more step/components or step/component can be also combined into new step/component by suddenly/component,
To achieve the object of the present invention, the simple deformation to this case or transformation are belonged to, falls into the protection domain of this case.
The present invention can be in hardware, firmware in fact with the flow and method for obtaining metering region above by analysis depth image
It is existing, or it is implemented as the software or meter that are storable in recording medium (such as CD ROM, RAM, floppy disk, hard disk or magneto-optic disk)
Calculation machine code, or the original storage of network download is implemented through in long-range recording medium or nonvolatile machine readable media
And the computer code that will be stored in local recording medium, use general meter to which method described here can be stored in
At such software in calculation machine, application specific processor or the programmable or recording medium of specialized hardware (such as ASIC or FPGA)
Reason.It is appreciated that computer, processor, microprocessor controller or programmable hardware include that can store or receive software or meter
The storage assembly (for example, RAM, ROM, flash memory etc.) of calculation machine code, when the software or computer code are by computer, processor
Or hardware access and execute when, realize processing method described here.It is accessed in addition, working as all-purpose computer for realizing showing herein
When the code of the processing gone out, all-purpose computer is converted to the dedicated computing for executing the processing being shown here by the execution of code
Machine.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those skilled in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, several equivalent substitute or obvious modifications can also be made, and performance or use is identical, all answered
When being considered as belonging to protection scope of the present invention.
Claims (10)
1. a kind of camera arrangement that can detect metering region, which is characterized in that including：
Processor and memory, the memory include the instruction that can be executed by the processor, and described instruction includes following behaviour
Make；
Acquire image including depth information；
The depth information is analyzed to determine metering region.
2. the camera arrangement according to claim 1 that metering region can be detected, which is characterized in that described instruction further includes
It operates below：
It calculates the variable of the metering region and is compared with predetermined threshold value, adjust the parameter of camera based on comparative result.
3. the camera arrangement according to claim 2 that metering region can be detected, which is characterized in that the variable includes
Reflect that the pixel value of light intensity, the parameter include one or more in shutter speed, aperture size, sensitivity.
4. the camera arrangement according to claim 2 that metering region can be detected, which is characterized in that the variable includes
Distance, the parameter include the lens focus of the camera.
5. the camera arrangement according to claim 1 that metering region can be detected, which is characterized in that described to believe comprising depth
The image of breath includes depth image and two dimensional image, and the two dimensional image includes one kind or more in coloured image, gray level image
Kind.
6. according to any camera arrangements that can detect metering region of claim 1-5, which is characterized in that the analysis
The depth information is to determine that metering region is further comprising the steps of：
Obtain the closest approach in the depth information；
The metering region is determined according to the closest approach.
7. according to any camera arrangements that can detect metering region of claim 1-5, which is characterized in that the analysis
The depth information is to determine that metering region is further comprising the steps of：
The depth information is analyzed to determine objective contour；
Metering region is calculated according to the objective contour.
8. a kind of computer-readable medium including computer program, which is characterized in that the computer program can be operated to
Computer is set to execute following operation：
Image including depth information is acquired using camera；
The depth information is analyzed to determine metering region；
The variable of the metering region is calculated to adjust the parameter of the camera；
According to the parameter acquisition image after adjustment.
9. a kind of photographic method that can detect metering region, which is characterized in that include the following steps：
Image including depth information is acquired using camera；
The depth information is analyzed to determine metering region；
The variable of the metering region is calculated to adjust the parameter of the camera；
According to the parameter acquisition image after adjustment.
10. the photographic method according to claim 9 that metering region can be detected, which is characterized in that utilize phase described
Machine is further comprising the steps of before acquiring image including depth information：
Image is acquired using camera；
Analysis described image is to judge whether there is target presence, if in the presence of without target, carried out as claimed in claim 9
The photographic method of metering region can be detected.
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| CN201810030737.6A CN108289170B (en) | 2018-01-12 | 2018-01-12 | Photographing apparatus, method and computer readable medium capable of detecting measurement area |
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| CN201810030737.6A CN108289170B (en) | 2018-01-12 | 2018-01-12 | Photographing apparatus, method and computer readable medium capable of detecting measurement area |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932505A (en) * | 2018-07-25 | 2018-12-04 | 维沃移动通信有限公司 | A kind of image processing method and electronic equipment |
| CN110349132A (en) * | 2019-06-25 | 2019-10-18 | 武汉纺织大学 | A kind of fabric defects detection method based on light-field camera extraction of depth information |
| CN111182199A (en) * | 2018-11-13 | 2020-05-19 | 深圳富泰宏精密工业有限公司 | Electronic device and photographing method |
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