CN107197169A - A kind of high dynamic range images image pickup method and mobile terminal - Google Patents
A kind of high dynamic range images image pickup method and mobile terminal Download PDFInfo
- Publication number
- CN107197169A CN107197169A CN201710480243.3A CN201710480243A CN107197169A CN 107197169 A CN107197169 A CN 107197169A CN 201710480243 A CN201710480243 A CN 201710480243A CN 107197169 A CN107197169 A CN 107197169A
- Authority
- CN
- China
- Prior art keywords
- image
- region
- preview image
- preview
- foreground
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Image Processing (AREA)
Abstract
The present invention provides a kind of high dynamic range images image pickup method and mobile terminal, and method includes：Obtain the first preview image of the first camera collection；Determine the foreground image areas and background image region in first preview image；If receiving photographing instruction, the second preview image of the first camera collection and the 3rd preview image of second camera collection are obtained respectively；Image synthesis processing is carried out to second preview image and the 3rd preview image, high dynamic range images are exported；Wherein, second preview image is the image exposed to the foreground image areas, and the 3rd preview image is the image exposed to the background image region.High dynamic range images image pickup method provided in an embodiment of the present invention, mobile terminal can avoid for synthesize HDR image photo between existence time it is poor, so as to reduce the generation of ghost image or ghost, improve the photographic quality that mobile terminal is shot.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of high dynamic range images image pickup method and mobile terminal.
Background technology
With the development of the communication technology, the mobile terminal such as mobile phone and tablet personal computer has become can not in people's daily life
Or scarce instrument.For the requirement of the camera function to mobile terminal, HDR (High-Dynamic Range, HDR)
Image taking technology is gradually applied in mobile terminal, and mobile terminal can capture long exposure, short exposure respectively by camera
The photo of light and normal exposure, and the multiple pictures of crawl synthesize obtaining HDR image, the HDR image of synthesis has
Exposure effect more in a balanced way, so as to lift the photographic quality that mobile terminal is taken pictures.
But, mobile terminal using HDR technologies during being taken pictures, because mobile terminal is in continuously two photos of crawl
There can be the time difference of two frames or three frames, if mobile terminal, which is in motion or is photographed object, is in motion, continuous crawl
The images of two photos change, the HDR image after synthesis is there is the phenomenon of ghost image or ghost, thus cause it is mobile eventually
The photographic quality reduction that end is shot.It can be seen that, current mobile terminal exists because ghost image or ghost are serious during taking pictures
Cause the low problem of photographic quality.
The content of the invention
The embodiment of the present invention provides a kind of high dynamic range images image pickup method and mobile terminal, is existed with solving mobile terminal
During taking pictures, exist causes the low problem of photographic quality because ghost image or ghost are serious.
In a first aspect, the embodiments of the invention provide a kind of high dynamic range images image pickup method, applied to one side setting
There is the mobile terminal of the first camera and second camera, methods described includes：
Obtain the first preview image of the first camera collection；
Determine the foreground image areas and background image region in first preview image；
If receiving photographing instruction, the second preview image and described second of the first camera collection is obtained respectively
3rd preview image of camera collection；
Image synthesis processing is carried out to second preview image and the 3rd preview image, HDR figure is exported
Picture；
Wherein, second preview image is the image exposed to the foreground image areas, the 3rd preview image
For the image exposed to the background image region.
Second aspect, the embodiment of the present invention also provides a kind of mobile terminal, and the one side of the mobile terminal is provided with first
Camera and second camera, the mobile terminal also include：
First image collection module, the first preview image for obtaining the collection of the first camera；
Area determination module, for determining the foreground picture in the first preview image that described first image acquisition module is obtained
As region and background image region；
Second image collection module, if for receiving photographing instruction, the first camera collection is obtained respectively
Second preview image and the 3rd preview image of second camera collection；
Synthesis module, the second preview image and the 3rd preview image for being obtained to second image collection module enter
The synthesis of row image is handled, and exports high dynamic range images；
Wherein, second preview image is the figure of the foreground image areas exposure determined to the area determination module
Picture, the 3rd preview image is the image of the background image region exposure determined to the area determination module.
The third aspect, the embodiment of the present invention also provides a kind of mobile terminal, and the one side of the mobile terminal is provided with first
Camera and second camera, the mobile terminal also include processor, and memory is stored on the memory and can be in institute
The computer program run on processor is stated, above-mentioned HDR is realized when the computer program is by the computing device
The step of image capturing method.
Fourth aspect, the embodiment of the present invention also provides a kind of computer-readable recording medium, the computer-readable storage
Be stored with computer program on medium, and the computer program realizes that above-mentioned high dynamic range images are shot when being executed by processor
The step of method.
So, in the embodiment of the present invention, the first preview image of the first camera collection is obtained；Determine first preview
Foreground image areas and background image region in image；If receiving photographing instruction, first camera is obtained respectively
Second preview image of collection and the 3rd preview image of second camera collection；To second preview image and described
3rd preview image carries out image synthesis processing, exports high dynamic range images；Wherein, second preview image is to described
The image of foreground image areas exposure, the 3rd preview image is the image exposed to the background image region.It is mobile whole
End can avoid for synthesize HDR image photo between existence time it is poor, so as to reduce the generation of ghost image or ghost, raising
The photographic quality that mobile terminal is shot.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed for description of the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is one of flow chart of high dynamic range images image pickup method provided in an embodiment of the present invention；
Fig. 2 is the two of the flow chart of high dynamic range images image pickup method provided in an embodiment of the present invention；
Fig. 3 is the three of the flow chart of high dynamic range images image pickup method provided in an embodiment of the present invention；
Fig. 4 is one of structure chart of mobile terminal provided in an embodiment of the present invention；
Fig. 5 is one of structure chart of area determination module in mobile terminal provided in an embodiment of the present invention；
Fig. 6 is the two of the structure chart of area determination module in mobile terminal provided in an embodiment of the present invention；
Fig. 7 is the structure chart of background area determining unit in mobile terminal provided in an embodiment of the present invention；
Fig. 8 is the two of the structure chart of mobile terminal provided in an embodiment of the present invention；
Fig. 9 is the three of the structure chart of mobile terminal provided in an embodiment of the present invention；
Figure 10 is the four of the structure chart of mobile terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is one of flow chart of high dynamic range images image pickup method provided in an embodiment of the present invention, should
For the unilateral mobile terminal for being provided with the first camera and second camera, as shown in figure 1, methods described includes：
Step 101, the first preview image for obtaining the collection of the first camera.
In the embodiment of the present invention, opened if the camera application program of mobile terminal is in, and the first shooting of mobile terminal
Head is in image preview state, and mobile terminal can obtain the image of the first camera collection as above-mentioned first preview image.
Step 102, the foreground image areas and background image region determined in first preview image.
In the embodiment of the present invention, when above-mentioned steps 101 get the first preview image, mobile terminal can determine first
Foreground image areas and background image region in preview image.
Wherein, the foreground image areas and background image region in the above-mentioned preview image of determination first, can be by first
Preassigned two different images regions in preview image, respectively as foreground image areas and background image region, for example：
A certain still image region can be preassigned in the first preview image as foreground image areas, and except foreground image areas with
Outer image-region is used as background image region；Or can also make the partial image region in addition to foreground image areas
For background image region etc..
If step 103, receiving photographing instruction, obtain respectively the first camera collection the second preview image and
3rd preview image of the second camera collection.
In the embodiment of the present invention, if above-mentioned steps 102 determine foreground image areas and Background in the first preview image
As region, when mobile terminal receives photographing instruction, mobile terminal can control the first camera to gather the second preview simultaneously
Image, and second camera gathers the 3rd preview image, the second preview image and the 3rd preview image for making acquisition are same frame
Image, so as to reduce or even avoid synthesis HDR image to occur ghost image or ghost.
Wherein, above-mentioned second preview image be to foreground image areas expose image, above-mentioned 3rd preview image for pair
The image of background image region exposure, i.e., gather the second preview image in the first camera, and second camera collection the 3rd is pre-
Look at image when, the image that mobile terminal can control the first camera to gather it exposes click-through on the basis of foreground image areas
Row exposure, and control the image after the crawl exposure of the first camera to be used as the second preview image；Mobile terminal control second is imaged
The image that head is gathered to it exposure point on the basis of background image region is exposed, and is controlled after second camera crawl exposure
Image as the 3rd preview image so that the Expose f iotaducials point of the second preview image and the 3rd preview image is different, improve
The quality of the HDR image of synthesis.Above-mentioned first camera and second camera can use automatic exposure (Automatic
Exposure, AE) technology is exposed to foreground image areas and background image region respectively.
It should be noted that above-mentioned first camera and above-mentioned second camera are arranged at mobile terminal the same side, such as：
First camera and second camera can constitute the preposition dual camera or rearmounted dual camera of mobile terminal.In addition, being
Ensure that the HDR image of synthesis is undistorted, focal length and the angle of visual field of the first camera and second camera etc., which are set, tends to one
Cause, the size and reference object of the image of the first camera collection and the image of second camera collection can be made to keep one
Cause.
Step 104, image synthesis processing is carried out to second preview image and the 3rd preview image, output is high dynamic
State range image.
In the embodiment of the present invention, if above-mentioned steps 103 get the second preview image and the 3rd preview image, mobile terminal
Second preview image and the 3rd preview image can be synthesized, mobile terminal, can be to second during composograph
Preview image and the 3rd preview image carry out image registration, exposure synthesis and tone mapping etc., so as to synthesize high-quality HDR
Image.
In the embodiment of the present invention, the mobile terminal can be that any one side is provided with the first camera and second camera
Mobile terminal, for example：Mobile phone, tablet personal computer (Tablet Personal Computer), laptop computer (Laptop
Computer), personal digital assistant (personal digital assistant, abbreviation PDA), mobile Internet access device
The mobile terminal such as (Mobile Internet Device, MID) or wearable device (Wearable Device).
In the embodiment of the present invention, the first preview image of the first camera collection is obtained；Determine first preview image
In foreground image areas and background image region；If receiving photographing instruction, the first camera collection is obtained respectively
The second preview image and the second camera collection the 3rd preview image；To second preview image and the described 3rd
Preview image carries out image synthesis processing, exports high dynamic range images；Wherein, second preview image is to the prospect
The image of image-region exposure, the 3rd preview image is the image exposed to the background image region.Mobile terminal can
With avoid for synthesize HDR image photo between existence time it is poor, so as to reduce the generation of ghost image or ghost, improve movement
The photographic quality of terminal taking.
Referring to Fig. 2, Fig. 2 is a kind of flow chart of high dynamic range images image pickup method provided in an embodiment of the present invention, such as
Shown in Fig. 2, methods described includes：
Step 201, the first preview image for obtaining the collection of the first camera.
Step 202, to first preview image carry out recognition of face, obtain facial image region.
In the embodiment of the present invention, if above-mentioned steps 201 get the first preview image, mobile terminal can be known by face
Facial image in other technology, the first preview image of identification, so that obtain facial image region, i.e. face in the first preview image
Region where image.Wherein, above-mentioned face recognition technology is known for those skilled in the art, is no longer repeated herein.
Step 203, the facial image region is defined as foreground image areas.
In the embodiment of the present invention, if above-mentioned steps 202 obtain facial image region, mobile terminal can determine above-mentioned face
Image-region is foreground image areas.
Step 204, based on the foreground image areas, determine background image region.
In the embodiment of the present invention, if above-mentioned steps 203 determine foreground image areas, mobile terminal can be according to default rule
Then, determine any region in the first preview image in addition to facial image region as background image region.For example：Can be
By in the first preview image, the region in addition to facial image region is used as background image region；Or in the first preview image
The image-region in addition to facial image region in, it is random to determine that subregion is used as above-mentioned background image region.
Optionally, above-mentioned steps 204 can include：Obtain the Y channel images of first preview image；With m*n picture
Plain block is unit block of pixels, and all image-regions in the Y channel images in addition to the foreground image areas are schemed
As segmentation, T block of pixels is obtained；For each block of pixels in the T block of pixels, all pixels point in each block of pixels is calculated
Brightness and value；Image-region where the corresponding block of pixels of high-high brightness and value in all brightness and value is defined as Background
As region.
In the embodiment, mobile terminal can be to the image-region in the first preview image in addition to foreground image areas
It is divided into multiple block of pixels of default size, and the image district where the block of pixels of determination high-high brightness and value in multiple block of pixels
Domain is background image region, so that mobile terminal is exposed to obtain the in control second camera with background image region
During three pre-set images, it, as Expose f iotaducials point, can scheme the HDR of synthesis using image-region where the block of pixels of high-high brightness and value
The exposure effect of picture more preferably, further improves the quality of HDR image.
Wherein, above-mentioned Y channel images are to include YUV (" Y " expression gray values；" U " and " V " represent colourity) form image
The image of data.Certainly, above-mentioned first preview image can also be the image for the view data for including extended formatting, mobile terminal
The form of the view data of first preview image can be changed, to obtain the Y channel images of the first preview image, example
Such as：If the first preview image is to include RGB (red, i.e. Red；It is green, i.e. Green；Indigo plant, i.e. Blue) form view data figure
Its view data by rgb format can be converted to yuv format by picture, mobile terminal, so as to obtain the Y passages of the first preview image
Image.
If step 205, receiving photographing instruction, obtain respectively the first camera collection the second preview image and
3rd preview image of the second camera collection.
In the embodiment of the present invention, if above-mentioned steps 204 determine foreground image areas and Background in the first preview image
As region, when mobile terminal receives photographing instruction, mobile terminal can control the first camera to gather the second preview simultaneously
Image, and second camera gathers the 3rd preview image, the second preview image and the 3rd preview image for making acquisition are same frame
Image, so as to reduce or even avoid synthesis HDR image to occur ghost image or ghost.
Optionally, before above-mentioned steps 205, it can also include：To the foreground image areas and the background image area
Domain carries out light-metering respectively, respectively obtains the first exposure value of the foreground image areas and the second of the background image region exposes
Light value；Above-mentioned steps 205 can include：If first exposure value and second exposure value are differed, institute is obtained respectively
State the second preview image of the first camera collection and the 3rd preview image of second camera collection.
In the embodiment, it is in the camera applications of mobile terminal under unlatching, and if above-mentioned steps 204 determine foreground picture
As region and background image region, mobile terminal can enter to the foreground image areas and background image region of the first pre-set image
Row light-metering, if foreground image areas is different with the exposure value of background image region, it is determined that need to open when mobile terminal is taken pictures
HDR functions, when receiving photographing instruction, then mobile terminal can control the first camera collection the second preview image and second to take the photograph
As head the 3rd preview image of collection, and pass through the second preview image and the 3rd preview image synthesis HDR image, improve mobile terminal
The photographic quality of shooting.
If it should be noted that above-mentioned foreground image areas is identical with the exposure value of background image region, determining mobile terminal
The photo shot by single camera can also have higher picture quality, and mobile terminal can control the first camera to adopt
Collect image, and the image output that the first camera is gathered is as photo, so as to save the battery electric quantity of mobile terminal with
And storage resource.
Step 206, image synthesis processing is carried out to second preview image and the 3rd preview image, output is high dynamic
State range image.
In the embodiment of the present invention, by carrying out recognition of face to first preview image, facial image region is obtained；Will
The facial image region is defined as foreground image areas；Based on the foreground image areas, background image region is determined.This
Sample, when the photo of shooting includes facial image, mobile terminal can determine foreground image areas by facial image region
And background image region, the exposure effect of the HDR image of synthesis can be improved, so as to lift the picture quality of HDR image.
Referring to Fig. 3, Fig. 3 is a kind of flow chart of high dynamic range images image pickup method provided in an embodiment of the present invention, such as
Shown in Fig. 3, methods described includes：
Step 301, the first preview image for obtaining the collection of the first camera.
Step 302, the depth data for obtaining first preview image, the depth data include the depth of each pixel
Angle value.
In the embodiment of the present invention, if above-mentioned steps 301 get the first preview image, mobile terminal can obtain first
The depth data of preview image.Wherein, the depth data of above-mentioned first preview image, can be that the collection first of the first camera is pre-
Look at image when, mobile terminal by thereon in detection components, such as infrared transmitter, the first preview image of detection it is every
The depth value of individual pixel.
Step 303, the minimum depth value v obtained in the depth data0。
In the embodiment of the present invention, if above-mentioned steps 302 get the depth of field data of the first preview image, mobile terminal can be with
The depth value of each pixel in first preview image is compared, so as to get the minimum depth value in depth of field data
v0。
Step 304, based on the minimum depth value v0, by depth value value in v0~(v0+v1) in the range of pixel
Set is defined as foreground image areas.
In the embodiment of the present invention, when gathering the first preview image due to the first camera, subject distance first is taken the photograph
The distance of picture head is nearer, and pixel of the subject in the first preview image where corresponding image has smaller depth
Value, and in the corresponding image of same reference object each pixel depth value generally relatively, mobile terminal takes depth value
Value is in v0~(v0+v1) in the range of the set of pixel be defined as foreground image areas, so as to by the camera of distance first
Image-region of the corresponding image of near reference object in the first preview image, as foreground image areas, is realized mobile whole
The suitable foreground image areas of end selection, so as to so that the HDR image exposure effect of synthesis more preferably.
Step 305, based on the foreground image areas, determine background image region.
In the embodiment of the present invention, above-mentioned steps 304 determine foreground image areas, mobile terminal can according to preset rules,
Determine any region in the first preview image in addition to foreground image areas as background image region.
Optionally, above-mentioned steps 305 can include：Obtain the Y channel images of first preview image；With m*n picture
Plain block is unit block of pixels, and all image-regions in the Y channel images in addition to the foreground image areas are schemed
As segmentation, T block of pixels is obtained；For each block of pixels in the T block of pixels, all pixels point in each block of pixels is calculated
Brightness and value；Image-region where the corresponding block of pixels of high-high brightness and value in all brightness and value is defined as Background
As region.
In the embodiment, mobile terminal can be to the image-region in the first preview image in addition to facial image region
It is divided into multiple block of pixels of default size, and the image district where the block of pixels of determination high-high brightness and value in multiple block of pixels
Domain is background image region, so that mobile terminal is exposed to obtain the in control second camera with background image region
During three pre-set images, it, as Expose f iotaducials point, can scheme the HDR of synthesis using image-region where the block of pixels of high-high brightness and value
The exposure effect of picture more preferably, further improves the quality of HDR image.
If step 306, receiving photographing instruction, obtain respectively the first camera collection the second preview image and
3rd preview image of the second camera collection.
In the embodiment of the present invention, if above-mentioned steps 305 determine foreground image areas and Background in the first preview image
As region, when mobile terminal receives photographing instruction, mobile terminal can control the first camera to gather the second preview simultaneously
Image, and second camera gathers the 3rd preview image, the second preview image and the 3rd preview image for making acquisition are same frame
Image, so as to reduce or even avoid synthesis HDR image to occur ghost image or ghost.
Optionally, before above-mentioned steps 306, it can also include：To the foreground image areas and the background image area
Domain carries out light-metering respectively, respectively obtains the first exposure value of the foreground image areas and the second of the background image region exposes
Light value；Above-mentioned steps 306 can include：If first exposure value and second exposure value are differed, institute is obtained respectively
The second preview image of the first camera collection and the 3rd preview image of second camera collection are stated, so that mobile whole
End can open HDR functions in time automatically, improve the photographic quality that mobile terminal is shot, at the same avoid wasting battery electric quantity and
Storage resource.
Step 307, image synthesis processing is carried out to second preview image and the 3rd preview image, output is high dynamic
State range image.
In the embodiment of the present invention, by obtaining the depth data of first preview image, the depth data includes every
The depth value of individual pixel；Obtain the minimum depth value v in the depth data0；Based on the minimum depth value v0, by depth
It is worth value in v0~(v0+v1) in the range of the set of pixel be defined as foreground image areas；Based on the foreground image area
Domain, determines background image region.So, mobile terminal can determine foreground image areas and the back of the body according to the depth data of image
Scape image-region, according to foreground image areas and background image region, to be gathered respectively to the first camera and second camera
Image exposure, improve synthesis HDR image exposure effect, so as to lift the picture quality of HDR image.
Referring to Fig. 4, Fig. 4 is a kind of structure chart for mobile terminal that the present invention implements offer, the list of the mobile terminal 400
Side is provided with the first camera and second camera, as shown in figure 4, the first image that mobile terminal 400 includes being sequentially connected is obtained
Modulus block 401, area determination module 402, the second image collection module 403 and synthesis module 404：
First image collection module 401, the first preview image for obtaining the collection of the first camera；
Area determination module 402, for determining in the first preview image that described first image acquisition module 401 is obtained
Foreground image areas and background image region；
Second image collection module 403, if for receiving photographing instruction, the first camera collection is obtained respectively
The second preview image and the second camera collection the 3rd preview image；
Synthesis module 404, for the second preview image obtained to second image collection module and the 3rd preview graph
As carrying out image synthesis processing, high dynamic range images are exported；
Wherein, second preview image is the foreground image areas exposure determined to the area determination module 402
Image, the 3rd preview image is the image of the background image region exposure determined to the area determination module 402.
Optionally, as shown in figure 5, the area determination module 402 can include：
Face identification unit 4021, the first preview image for being obtained to described first image acquisition module 401 is carried out
Recognition of face, obtains facial image region；
First foreground area determining unit 4022, for the facial image region for recognizing the face identification unit 4021
It is defined as foreground image areas；
Background area determining unit 4023, for the foreground picture determined based on the first foreground area determining unit 4022
As region, background image region is determined.
Optionally, as shown in fig. 6, the area determination module 402 can include：
Depth data acquiring unit 4024, the first preview graph for obtaining the acquisition of described first image acquisition module 401
The depth data of picture, the depth data includes the depth value of each pixel；
Minimum depth value acquiring unit 4025, for obtaining the depth data that the depth data acquiring unit 4024 is obtained
In minimum depth value v0；
Second foreground area determining unit 4026, for the minimum obtained based on the minimum depth value acquiring unit 4025
Depth value v0, by depth value value in v0~(v0+v1) in the range of the set of pixel be defined as foreground image areas；
Background area determining unit 4027, for the foreground picture determined based on the second foreground area determining unit 4026
As region, background image region is determined；
Wherein, v1 is default threshold value.
Optionally, as shown in fig. 7, the background area determining unit 4027 can include：
Y channel images obtain subelement 40271, and first for obtaining the acquisition of described first image acquisition module 401 is pre-
Look at the Y channel images of image；
Block of pixels splits subelement 40272, for using m*n block of pixels as unit block of pixels, being obtained to the Y channel images
All image-regions in the Y channel images of the acquisition of subelement 40271 in addition to the foreground image areas are taken to carry out image point
Cut, obtain T block of pixels；
Brightness and value computation subunit 40273, for splitting the T picture that subelement 40272 is obtained for the block of pixels
Each block of pixels in plain block, calculates the brightness of all pixels point and value in each block of pixels；
Background area determination subelement 40274, for the brightness and value computation subunit 40273 to be calculated into obtained institute
Image-region where having the corresponding block of pixels of high-high brightness and value in brightness and value is defined as background image region.
Optionally, as shown in figure 8, the mobile terminal 400 can also include：
Light-metering module 405, for the foreground image areas and background image region determined to the area determination module 402
Light-metering is carried out respectively, respectively obtains the first exposure value of the foreground image areas and the second exposure of the background image region
Value；
If second image collection module 403 be additionally operable to the light-metering module 405 measure obtained the first exposure value and
Second exposure value is differed, then the second preview image and the second camera for obtaining the first camera collection respectively are adopted
3rd preview image of collection.
Mobile terminal 400 can realize Fig. 1 each process that mobile terminal is realized in embodiment into Fig. 3, to avoid weight
It is multiple, repeat no more here.
The mobile terminal 400 of the embodiment of the present invention, obtains the first preview image of the first camera collection；Determine described
Foreground image areas and background image region in one preview image；If receiving photographing instruction, described first is obtained respectively
Second preview image of camera collection and the 3rd preview image of second camera collection；To second preview image
Image synthesis processing is carried out with the 3rd preview image, high dynamic range images are exported；Wherein, second preview image is
The image exposed to the foreground image areas, the 3rd preview image is the image exposed to the background image region.
Mobile terminal can avoid for synthesize HDR image photo between existence time it is poor, so as to reduce the hair of ghost image or ghost
It is raw, improve the photographic quality that mobile terminal is shot.
The embodiment of the present invention also provides a kind of mobile terminal, including processor, memory, is stored on the memory simultaneously
The computer program that can be run on the processor, is realized above-mentioned high dynamic when the computer program is by the computing device
Each process of state range image image pickup method embodiment, and identical technique effect can be reached, to avoid repeating, here no longer
Repeat.
The embodiment of the present invention also provides the meter that is stored with a kind of computer-readable recording medium, computer-readable recording medium
Calculation machine program, the computer program realizes each of above-mentioned high dynamic range images image pickup method embodiment when being executed by processor
Individual process, and identical technique effect can be reached, to avoid repeating, repeat no more here.Wherein, it is described computer-readable to deposit
Storage media, such as read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random Access
Memory, abbreviation RAM), magnetic disc or CD etc..
Referring to Fig. 9, Fig. 9 is a kind of structure chart for mobile terminal that the present invention implements offer, as shown in figure 9, mobile terminal
900 include：At least one processor 901, memory 902, at least one network interface 904 and user interface 903.Mobile terminal
Each component in 900 is coupled by bus system 905.It is understood that bus system 905 be used for realize these components it
Between connection communication.Bus system 905 is in addition to including data/address bus, in addition to power bus, controlling bus and status signal
Bus.But for the sake of clear explanation, various buses are all designated as bus system 905 in fig .9, mobile terminal 900 is also wrapped
The first camera 906 and second camera 907 for being arranged on one side are included, the first camera 906 and second camera 907 are by total
Linear system system 905 is connected with each component of mobile terminal.
Wherein, user interface 903 can include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 902 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DRRAM).The memory 902 of system and method described herein be intended to including but not limited to these and it is any its
It is adapted to the memory of type.
In some embodiments, memory 902 stores following element, can perform module or data structure, or
Their subset of person, or their superset：Operating system 9021 and application program 9022.
Wherein, operating system 9021, comprising various system programs, such as ccf layer, core library layer, driving layer, are used for
Realize various basic businesses and handle hardware based task.Application program 9022, includes various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 9022.
In embodiments of the present invention, mobile terminal 900 also includes：It is stored on memory 902 and can be on processor 901
The computer program of operation, can be the computer program in application program 9022, computer program is by processor specifically
901 realize following steps when performing：Obtain the first preview image of the first camera collection；Determine in first preview image
Foreground image areas and background image region；If receiving photographing instruction, the first camera collection is obtained respectively
Second preview image and the 3rd preview image of second camera collection；To second preview image and described 3rd pre-
Image of looking at carries out image synthesis processing, exports high dynamic range images；Wherein, second preview image is to the foreground picture
As the image of regional exposure, the 3rd preview image is the image exposed to the background image region.
The method that the embodiments of the present invention are disclosed can apply in processor 901, or be realized by processor 901.
Processor 901 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 901 or the instruction of software form.Above-mentioned processing
Device 901 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module can be located at random access memory, and flash memory, read-only storage may be programmed read-only
In the ripe computer-readable recording medium in this area such as memory or electrically erasable programmable memory, register.The meter
Calculation machine readable storage medium storing program for executing is located at memory 902, and processor 901 reads the information in memory 902, is completed with reference to its hardware
The step of stating method.Specifically, be stored with computer program on the computer-readable recording medium, and computer program is by processor
901 realize each step such as above-mentioned high dynamic range images image pickup method embodiment when performing.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination.
Realize, can be realized by performing the module (such as process, function) of function described herein herein for software
Described technology.Software code is storable in memory and by computing device.Memory can within a processor or
Realized outside processor.
Optionally, following steps can be also realized when computer program is performed by processor 901：To first preview image
Recognition of face is carried out, facial image region is obtained；The facial image region is defined as foreground image areas；Before described
Scape image-region, determines background image region.
Optionally, following steps can be also realized when computer program is performed by processor 901：Obtain first preview graph
The depth data of picture, the depth data includes the depth value of each pixel；Obtain the minimum-depth in the depth data
Value v0；Based on the minimum depth value v0, by depth value value in v0~(v0+v1) in the range of pixel set be defined as before
Scape image-region；Based on the foreground image areas, background image region is determined；Wherein, v1For default threshold value.
Optionally, following steps can be also realized when computer program is performed by processor 901：Obtain first preview graph
The Y channel images of picture；Using m*n block of pixels as unit block of pixels, in the Y channel images except the foreground image areas it
Outer all image-regions carry out image segmentation, obtain T block of pixels；For each block of pixels in the T block of pixels, calculate
The brightness of all pixels point and value in each block of pixels；By the high-high brightness in all brightness and value and the corresponding block of pixels institute of value
It is defined as background image region in image-region.
Optionally, following steps can be also realized when computer program is performed by processor 901：To the foreground image areas
Light-metering is carried out respectively with the background image region, respectively obtains the first exposure value and the background of the foreground image areas
Second exposure value of image-region；If first exposure value and second exposure value are differed, described is obtained respectively
Second preview image of one camera collection and the 3rd preview image of second camera collection.
Mobile terminal 900 can realize each process that mobile terminal is realized in previous embodiment, to avoid repeating, here
Repeat no more.
The mobile terminal 900 of the embodiment of the present invention, obtains the first preview image of the first camera collection；Determine described
Foreground image areas and background image region in one preview image；If receiving photographing instruction, described first is obtained respectively
Second preview image of camera collection and the 3rd preview image of second camera collection；To second preview image
Image synthesis processing is carried out with the 3rd preview image, high dynamic range images are exported；Wherein, second preview image is
The image exposed to the foreground image areas, the 3rd preview image is the image exposed to the background image region.
Mobile terminal can avoid for synthesize HDR image photo between existence time it is poor, so as to reduce the hair of ghost image or ghost
It is raw, improve the photographic quality that mobile terminal is shot.
Referring to Fig. 10, Figure 10 is a kind of structure chart for mobile terminal that the present invention implements offer, Fig. 1 can be realized to figure
In 3 in embodiment high dynamic range images image pickup method details, and reach identical effect.As shown in Figure 10, mobile terminal
1000 include radio frequency (Radio Frequency, RF) circuit 1010, memory 1020, input block 1030, display unit
1040th, processor 1050, voicefrequency circuit 1060, communication module 1070, power supply 1080, the first camera 1090 and second camera
1100, the first camera 1090 and second camera 1100 are arranged on the same side of mobile terminal 1 000.
Wherein, input block 1030 can be used for the numeral or character information of reception user's input, and produce and mobile whole
The signal input that the user at end 1000 is set and function control is relevant.Specifically, in the embodiment of the present invention, the input block
1030 can include contact panel 1031.Contact panel 1031, also referred to as touch-screen, collect user's touching on or near it
Operation (such as user uses the operations of any suitable object or annex on contact panel 1031 such as finger, stylus) is touched, and
Corresponding attachment means are driven according to formula set in advance.Optionally, contact panel 1031 may include touch detecting apparatus and
Two parts of touch controller.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the letter that touch operation is brought
Number, transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into
Contact coordinate, then give the processor 1050, and the order sent of reception processing device 1050 and can be performed.Furthermore, it is possible to
Contact panel 1031 is realized using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel
1031, input block 1030 can also include other input equipments 1032, and other input equipments 1032 can include but is not limited to
One kind or many in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
Kind.
Wherein, display unit 1040 can be used for information and the movement for showing the information inputted by user or being supplied to user
The various menu interfaces of terminal 1000.Display unit 1040 may include display panel 1041, optionally, using LCD or can have
The forms such as machine light emitting diode (Organic Light-Emitting Diode, OLED) configure display panel 1041.
It should be noted that contact panel 1031 can cover display panel 1041, touch display screen is formed, when the touch display screen
Detect after the touch operation on or near it, processor 1050 is sent to determine the type of touch event, with post processing
Device 1050 provides corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area
And arrangement mode of the conventional control viewing area is not limited, can be arranged above and below, left-right situs etc. can distinguish two and show
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area
It can also be the empty interface not comprising any content.The conventional control viewing area is used to show the higher control of utilization rate, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..The touch-screen of the embodiment of the present invention is soft
Property screen, organic nesa coating of CNT is posted in two faces of flexible screen.
Wherein processor 1050 is the control centre of mobile terminal 1 000, utilizes various interfaces and connection whole mobile phone
Various pieces, by operation or perform and be stored in software program and/or module in first memory 1021, and call and deposit
The data in second memory 1022 are stored up, the various functions and processing data of mobile terminal 1 000 are performed, so as to mobile whole
End 1000 carries out integral monitoring.Optionally, processor 1050 may include one or more processing units.
In embodiments of the present invention, mobile terminal also includes：It is stored in first memory 1021 and can be in processor 1050
The computer program of upper operation, computer program realizes following steps when being performed by processor 1050：The first camera is obtained to adopt
First preview image of collection；Determine the foreground image areas and background image region in first preview image；If receiving
Photographing instruction, then obtain the second preview image and the second camera of the first camera collection are gathered the 3rd respectively
Preview image；Image synthesis processing is carried out to second preview image and the 3rd preview image, HDR is exported
Image；Wherein, second preview image be to the foreground image areas expose image, the 3rd preview image for pair
The image of the background image region exposure.
Optionally, following steps can be also realized when computer program is performed by processor 1050：To first preview graph
As carrying out recognition of face, facial image region is obtained；The facial image region is defined as foreground image areas；Based on described
Foreground image areas, determines background image region.
Optionally, following steps can be also realized when computer program is performed by processor 1050：Obtain first preview
The depth data of image, the depth data includes the depth value of each pixel；The minimum obtained in the depth data is deep
Angle value v0；Based on the minimum depth value v0, by depth value value in v0~(v0+v1) in the range of the set of pixel be defined as
Foreground image areas；Based on the foreground image areas, background image region is determined；Wherein, v1 is default threshold value.
Optionally, following steps can be also realized when computer program is performed by processor 1050：Obtain first preview
The Y channel images of image；Using m*n block of pixels as unit block of pixels, to removing the foreground image areas in the Y channel images
Outside all image-regions carry out image segmentation, obtain T block of pixels；For each block of pixels in the T block of pixels, meter
Calculate the brightness of all pixels point and value in each block of pixels；By the high-high brightness in all brightness and value and the corresponding block of pixels of value
Place image-region is defined as background image region.
Optionally, following steps can be also realized when computer program is performed by processor 1050：To the foreground image area
Domain and the background image region carry out light-metering respectively, respectively obtain the first exposure value and the back of the body of the foreground image areas
Second exposure value of scape image-region；If first exposure value and second exposure value are differed, obtain respectively described
Second preview image of the first camera collection and the 3rd preview image of second camera collection.
Mobile terminal 1 000 can realize each process that mobile terminal is realized in previous embodiment, to avoid repeating, this
In repeat no more.
The mobile terminal 1 000 of the embodiment of the present invention, obtains the first preview image of the first camera collection；It is determined that described
Foreground image areas and background image region in first preview image；If receiving photographing instruction, described is obtained respectively
Second preview image of one camera collection and the 3rd preview image of second camera collection；To second preview graph
Picture and the 3rd preview image carry out image synthesis processing, export high dynamic range images；Wherein, second preview image
For the image exposed to the foreground image areas, the 3rd preview image is the figure exposed to the background image region
Picture.Mobile terminal can avoid for synthesize HDR image photo between existence time it is poor, so as to reduce ghost image or ghost
Occur, improve the photographic quality that mobile terminal is shot.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of mobile terminal and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
, can be by it in embodiment provided herein, it should be understood that disclosed mobile terminal and method
Its mode is realized.For example, mobile terminal embodiment described above is only schematical, for example, the division of unit, only
Only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLINGs of mobile terminal or unit by some interfaces
Or communication connection, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be physically separate, be shown as unit
Part can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple networks
On unit.Some or all of unit therein can be selected to realize the mesh of scheme of the embodiment of the present invention according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If function is realized using in the form of SFU software functional unit and as independent production marketing or in use, can stored
In a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words to existing
The part for having part that technology contributes or the technical scheme can be embodied in the form of software product, the computer
Software product is stored in a storage medium, including some instructions are to cause a computer equipment (can be personal meter
Calculation machine, server, or network equipment etc.) perform all or part of step of each of the invention embodiment method.And it is foregoing
Storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
More than, it is only the embodiment of the present invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (12)
1. a kind of high dynamic range images image pickup method, applied to the unilateral movement for being provided with the first camera and second camera
Terminal, it is characterised in that methods described includes：
Obtain the first preview image of the first camera collection；
Determine the foreground image areas and background image region in first preview image；
If receiving photographing instruction, the second preview image of the first camera collection and second shooting are obtained respectively
3rd preview image of head collection；
Image synthesis processing is carried out to second preview image and the 3rd preview image, high dynamic range images are exported；
Wherein, second preview image be to the foreground image areas expose image, the 3rd preview image for pair
The image of the background image region exposure.
2. high dynamic range images image pickup method according to claim 1, it is characterised in that the determination described first is pre-
Look at foreground image areas and background image region in image the step of, including：
Recognition of face is carried out to first preview image, facial image region is obtained；
The facial image region is defined as foreground image areas；
Based on the foreground image areas, background image region is determined.
3. high dynamic range images image pickup method according to claim 1, it is characterised in that the determination described first is pre-
Look at foreground image areas and background image region in image the step of, including：
The depth data of first preview image is obtained, the depth data includes the depth value of each pixel；
Obtain the minimum depth value v in the depth data0；
Based on the minimum depth value v0, by depth value value in v0~(v0+v1) in the range of pixel set be defined as before
Scape image-region；
Based on the foreground image areas, background image region is determined；
Wherein, v1For default threshold value.
4. the high dynamic range images image pickup method according to Claims 2 or 3, it is characterised in that described based on before described
Scape image-region, the step of determining background image region, including：
Obtain the Y channel images of first preview image；
Using m*n block of pixels as unit block of pixels, to all figures in the Y channel images in addition to the foreground image areas
As region carries out image segmentation, T block of pixels is obtained；
For each block of pixels in the T block of pixels, the brightness of all pixels point and value in each block of pixels are calculated；
Image-region where the corresponding block of pixels of high-high brightness and value in all brightness and value is defined as background image region.
5. high dynamic range images image pickup method according to any one of claim 1 to 3, it is characterised in that described point
The step of the second preview image of the first camera collection and the 3rd preview image of second camera collection is not obtained
Before rapid, in addition to：
Light-metering is carried out respectively to the foreground image areas and the background image region, the foreground image areas is respectively obtained
The first exposure value and the background image region the second exposure value；
The 3rd of second preview image for obtaining first camera collection respectively and second camera collection is pre-
Look at image the step of, including：
If first exposure value and second exposure value are differed, the second of the first camera collection is obtained respectively
Preview image and the 3rd preview image of second camera collection.
6. a kind of mobile terminal, the one side of the mobile terminal is provided with the first camera and second camera, it is characterised in that
The mobile terminal also includes：
First image collection module, the first preview image for obtaining the collection of the first camera；
Area determination module, for determining the foreground image area in the first preview image that described first image acquisition module is obtained
Domain and background image region；
Second image collection module, if for receiving photographing instruction, the second of the first camera collection is obtained respectively
Preview image and the 3rd preview image of second camera collection；
Synthesis module, the second preview image and the 3rd preview image for being obtained to second image collection module are schemed
As synthesis processing, high dynamic range images are exported；
Wherein, second preview image is the image of the foreground image areas exposure determined to the area determination module, institute
State the image that the 3rd preview image is the background image region exposure determined to the area determination module.
7. mobile terminal according to claim 6, it is characterised in that the area determination module includes：
Face identification unit, the first preview image for being obtained to described first image acquisition module carries out recognition of face, obtains
To facial image region；
First foreground area determining unit, the facial image region for the face identification unit to be recognized is defined as foreground picture
As region；
Background area determining unit, for the foreground image areas determined based on the first foreground area determining unit, it is determined that
Background image region.
8. mobile terminal according to claim 6, it is characterised in that the area determination module includes：
Depth data acquiring unit, the depth number of the first preview image for obtaining the acquisition of described first image acquisition module
According to the depth data includes the depth value of each pixel；
Minimum depth value acquiring unit, for obtaining the minimum-depth in the depth data that the depth data acquiring unit is obtained
Value v0；
Second foreground area determining unit, for the minimum depth value v obtained based on the minimum depth value acquiring unit0, will be deep
Angle value value is in v0~(v0+v1) in the range of the set of pixel be defined as foreground image areas；
Background area determining unit, for the foreground image areas determined based on the second foreground area determining unit, it is determined that
Background image region；
Wherein, v1For default threshold value.
9. the mobile terminal according to claim 7 or 8, it is characterised in that the background area determining unit includes：
Y channel images obtain subelement, the Y passages of the first preview image for obtaining the acquisition of described first image acquisition module
Image；
Block of pixels splits subelement, for using m*n block of pixels as unit block of pixels, subelement to be obtained to the Y channel images
All image-regions in the Y channel images of acquisition in addition to the foreground image areas carry out image segmentation, obtain T pixel
Block；
Brightness and value computation subunit, for splitting each pixel in the T block of pixels that subelement is obtained for the block of pixels
Block, calculates the brightness of all pixels point and value in each block of pixels；
Background area determination subelement, for the brightness and value computation subunit to be calculated in obtained all brightness and value
Image-region where high-high brightness and the corresponding block of pixels of value is defined as background image region.
10. the mobile terminal according to any one of claim 6 to 8, it is characterised in that the mobile terminal also includes：
Light-metering module, foreground image areas and background image region for being determined to the area determination module are surveyed respectively
Light, respectively obtains the first exposure value of the foreground image areas and the second exposure value of the background image region；
If second image collection module is additionally operable to the first exposure value and the second exposure value that the light-metering module measurement is obtained
Differ, then obtain respectively first camera collection the second preview image and second camera collection it is the 3rd pre-
Look at image.
11. a kind of mobile terminal, the one side of the mobile terminal is provided with the first camera and second camera, its feature exists
In the mobile terminal also includes processor, and memory is stored on the memory and can run on the processor
Computer program, the computer program is by height of the realization as any one of claim 1 to 5 during the computing device
The step of dynamic image image pickup method.
12. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium
Program, realizes the HDR figure as any one of claim 1 to 5 when the computer program is executed by processor
As the step of image pickup method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480243.3A CN107197169B (en) | 2017-06-22 | 2017-06-22 | high dynamic range image shooting method and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480243.3A CN107197169B (en) | 2017-06-22 | 2017-06-22 | high dynamic range image shooting method and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107197169A true CN107197169A (en) | 2017-09-22 |
| CN107197169B CN107197169B (en) | 2019-12-06 |
Family
ID=59878327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710480243.3A Active CN107197169B (en) | 2017-06-22 | 2017-06-22 | high dynamic range image shooting method and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107197169B (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623818A (en) * | 2017-10-30 | 2018-01-23 | 维沃移动通信有限公司 | A kind of image exposure method and mobile terminal |
| CN108156366A (en) * | 2017-11-30 | 2018-06-12 | 维沃移动通信有限公司 | A kind of image capturing method and mobile device based on dual camera |
| CN108377341A (en) * | 2018-05-14 | 2018-08-07 | Oppo广东移动通信有限公司 | Photographic method, device, terminal and storage medium |
| CN108564558A (en) * | 2018-01-05 | 2018-09-21 | 广州广电运通金融电子股份有限公司 | Wide dynamic images processing method, device, equipment and storage medium |
| CN108616687A (en) * | 2018-03-23 | 2018-10-02 | 维沃移动通信有限公司 | A kind of photographic method, device and mobile terminal |
| CN108718388A (en) * | 2018-08-29 | 2018-10-30 | 维沃移动通信有限公司 | A kind of photographic method and mobile terminal |
| CN108833804A (en) * | 2018-09-20 | 2018-11-16 | Oppo广东移动通信有限公司 | Imaging method, device and electronic equipment |
| CN108848321A (en) * | 2018-09-28 | 2018-11-20 | 努比亚技术有限公司 | Expose optimization method, device and computer readable storage medium |
| CN109005367A (en) * | 2018-10-15 | 2018-12-14 | Oppo广东移动通信有限公司 | A kind of generation method of high dynamic range images, mobile terminal and storage medium |
| CN109194855A (en) * | 2018-09-20 | 2019-01-11 | Oppo广东移动通信有限公司 | Imaging method, device and electronic equipment |
| CN109447031A (en) * | 2018-11-12 | 2019-03-08 | 北京旷视科技有限公司 | Image processing method, device, equipment and storage medium |
| CN110012229A (en) * | 2019-04-12 | 2019-07-12 | 维沃移动通信有限公司 | A kind of image processing method and terminal |
| CN110177221A (en) * | 2019-06-25 | 2019-08-27 | 维沃移动通信有限公司 | The image pickup method and device of high dynamic range images |
| CN110458860A (en) * | 2018-05-08 | 2019-11-15 | 华晶科技股份有限公司 | Image processing method and image processing apparatus |
| CN110493538A (en) * | 2019-08-16 | 2019-11-22 | Oppo广东移动通信有限公司 | Image processing method, device, storage medium and electronic equipment |
| CN110677558A (en) * | 2018-07-02 | 2020-01-10 | 华晶科技股份有限公司 | Image processing method and electronic device |
| CN111083389A (en) * | 2019-12-27 | 2020-04-28 | 维沃移动通信有限公司 | Method and device for shooting image |
| CN111340731A (en) * | 2020-02-27 | 2020-06-26 | 深圳市商汤科技有限公司 | Image processing method and device, electronic equipment and storage medium |
| CN111766606A (en) * | 2020-06-19 | 2020-10-13 | Oppo广东移动通信有限公司 | Image processing method, device and equipment of TOF depth image and storage medium |
| CN112822404A (en) * | 2021-01-12 | 2021-05-18 | Oppo广东移动通信有限公司 | Image processing method and device and storage medium |
| CN112887624A (en) * | 2021-01-26 | 2021-06-01 | 维沃移动通信有限公司 | Shooting method and device and electronic equipment |
| CN113382169A (en) * | 2021-06-18 | 2021-09-10 | 荣耀终端有限公司 | Photographing method and electronic equipment |
| CN113794829A (en) * | 2021-08-02 | 2021-12-14 | 维沃移动通信（杭州）有限公司 | Shooting method and device and electronic equipment |
| CN113923367A (en) * | 2021-11-24 | 2022-01-11 | 维沃移动通信有限公司 | Shooting method and shooting device |
| WO2023015981A1 (en) * | 2021-08-12 | 2023-02-16 | 荣耀终端有限公司 | Image processing method and related device therefor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049726A (en) * | 2015-08-05 | 2015-11-11 | 广东欧珀移动通信有限公司 | Mobile terminal shooting method and mobile terminal |
| US20150379740A1 (en) * | 2014-06-26 | 2015-12-31 | Qualcomm Incorporated | Exposure metering based on background pixels |
| CN105847694A (en) * | 2016-04-27 | 2016-08-10 | 乐视控股（北京）有限公司 | Multiple exposure shooting method and system based on picture synthesis |
| CN106161980A (en) * | 2016-07-29 | 2016-11-23 | 宇龙计算机通信科技(深圳)有限公司 | Photographic method and system based on dual camera |
| CN106851124A (en) * | 2017-03-09 | 2017-06-13 | 广东欧珀移动通信有限公司 | Image processing method, processing unit and electronic installation based on the depth of field |
| CN106851063A (en) * | 2017-02-27 | 2017-06-13 | 努比亚技术有限公司 | A kind of exposure regulation terminal and method based on dual camera |
| CN106851123A (en) * | 2017-03-09 | 2017-06-13 | 广东欧珀移动通信有限公司 | Exposal control method, exposure-control device and electronic installation |
-
2017
- 2017-06-22 CN CN201710480243.3A patent/CN107197169B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150379740A1 (en) * | 2014-06-26 | 2015-12-31 | Qualcomm Incorporated | Exposure metering based on background pixels |
| CN105049726A (en) * | 2015-08-05 | 2015-11-11 | 广东欧珀移动通信有限公司 | Mobile terminal shooting method and mobile terminal |
| CN105847694A (en) * | 2016-04-27 | 2016-08-10 | 乐视控股（北京）有限公司 | Multiple exposure shooting method and system based on picture synthesis |
| CN106161980A (en) * | 2016-07-29 | 2016-11-23 | 宇龙计算机通信科技(深圳)有限公司 | Photographic method and system based on dual camera |
| CN106851063A (en) * | 2017-02-27 | 2017-06-13 | 努比亚技术有限公司 | A kind of exposure regulation terminal and method based on dual camera |
| CN106851124A (en) * | 2017-03-09 | 2017-06-13 | 广东欧珀移动通信有限公司 | Image processing method, processing unit and electronic installation based on the depth of field |
| CN106851123A (en) * | 2017-03-09 | 2017-06-13 | 广东欧珀移动通信有限公司 | Exposal control method, exposure-control device and electronic installation |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623818A (en) * | 2017-10-30 | 2018-01-23 | 维沃移动通信有限公司 | A kind of image exposure method and mobile terminal |
| CN108156366A (en) * | 2017-11-30 | 2018-06-12 | 维沃移动通信有限公司 | A kind of image capturing method and mobile device based on dual camera |
| CN108564558A (en) * | 2018-01-05 | 2018-09-21 | 广州广电运通金融电子股份有限公司 | Wide dynamic images processing method, device, equipment and storage medium |
| CN108616687A (en) * | 2018-03-23 | 2018-10-02 | 维沃移动通信有限公司 | A kind of photographic method, device and mobile terminal |
| CN110458860A (en) * | 2018-05-08 | 2019-11-15 | 华晶科技股份有限公司 | Image processing method and image processing apparatus |
| CN108377341A (en) * | 2018-05-14 | 2018-08-07 | Oppo广东移动通信有限公司 | Photographic method, device, terminal and storage medium |
| CN110677558B (en) * | 2018-07-02 | 2021-11-02 | 华晶科技股份有限公司 | Image processing method and electronic device |
| CN110677558A (en) * | 2018-07-02 | 2020-01-10 | 华晶科技股份有限公司 | Image processing method and electronic device |
| CN108718388A (en) * | 2018-08-29 | 2018-10-30 | 维沃移动通信有限公司 | A kind of photographic method and mobile terminal |
| CN109194855A (en) * | 2018-09-20 | 2019-01-11 | Oppo广东移动通信有限公司 | Imaging method, device and electronic equipment |
| WO2020057199A1 (en) * | 2018-09-20 | 2020-03-26 | Oppo广东移动通信有限公司 | Imaging method and device, and electronic device |
| CN108833804A (en) * | 2018-09-20 | 2018-11-16 | Oppo广东移动通信有限公司 | Imaging method, device and electronic equipment |
| CN108848321B (en) * | 2018-09-28 | 2021-03-19 | 南昌努比亚技术有限公司 | Exposure optimization method, device and computer-readable storage medium |
| CN108848321A (en) * | 2018-09-28 | 2018-11-20 | 努比亚技术有限公司 | Expose optimization method, device and computer readable storage medium |
| CN109005367B (en) * | 2018-10-15 | 2020-10-13 | Oppo广东移动通信有限公司 | High dynamic range image generation method, mobile terminal and storage medium |
| CN109005367A (en) * | 2018-10-15 | 2018-12-14 | Oppo广东移动通信有限公司 | A kind of generation method of high dynamic range images, mobile terminal and storage medium |
| CN109447031A (en) * | 2018-11-12 | 2019-03-08 | 北京旷视科技有限公司 | Image processing method, device, equipment and storage medium |
| CN109447031B (en) * | 2018-11-12 | 2022-02-18 | 北京旷视科技有限公司 | Image processing method, device, equipment and storage medium |
| CN110012229B (en) * | 2019-04-12 | 2021-01-08 | 维沃移动通信有限公司 | Image processing method and terminal |
| CN110012229A (en) * | 2019-04-12 | 2019-07-12 | 维沃移动通信有限公司 | A kind of image processing method and terminal |
| CN110177221A (en) * | 2019-06-25 | 2019-08-27 | 维沃移动通信有限公司 | The image pickup method and device of high dynamic range images |
| CN110493538B (en) * | 2019-08-16 | 2021-08-24 | Oppo广东移动通信有限公司 | Image processing method, image processing device, storage medium and electronic equipment |
| CN110493538A (en) * | 2019-08-16 | 2019-11-22 | Oppo广东移动通信有限公司 | Image processing method, device, storage medium and electronic equipment |
| CN111083389A (en) * | 2019-12-27 | 2020-04-28 | 维沃移动通信有限公司 | Method and device for shooting image |
| CN111340731B (en) * | 2020-02-27 | 2023-09-12 | 深圳市商汤科技有限公司 | Image processing method and device, electronic equipment and storage medium |
| CN111340731A (en) * | 2020-02-27 | 2020-06-26 | 深圳市商汤科技有限公司 | Image processing method and device, electronic equipment and storage medium |
| CN111766606A (en) * | 2020-06-19 | 2020-10-13 | Oppo广东移动通信有限公司 | Image processing method, device and equipment of TOF depth image and storage medium |
| CN112822404B (en) * | 2021-01-12 | 2022-08-09 | Oppo广东移动通信有限公司 | Image processing method and device and storage medium |
| CN112822404A (en) * | 2021-01-12 | 2021-05-18 | Oppo广东移动通信有限公司 | Image processing method and device and storage medium |
| CN112887624A (en) * | 2021-01-26 | 2021-06-01 | 维沃移动通信有限公司 | Shooting method and device and electronic equipment |
| CN113382169A (en) * | 2021-06-18 | 2021-09-10 | 荣耀终端有限公司 | Photographing method and electronic equipment |
| CN113794829A (en) * | 2021-08-02 | 2021-12-14 | 维沃移动通信（杭州）有限公司 | Shooting method and device and electronic equipment |
| CN113794829B (en) * | 2021-08-02 | 2023-11-10 | 维沃移动通信（杭州）有限公司 | Shooting method and device and electronic equipment |
| WO2023015981A1 (en) * | 2021-08-12 | 2023-02-16 | 荣耀终端有限公司 | Image processing method and related device therefor |
| CN113923367B (en) * | 2021-11-24 | 2024-04-12 | 维沃移动通信有限公司 | Shooting method and shooting device |
| CN113923367A (en) * | 2021-11-24 | 2022-01-11 | 维沃移动通信有限公司 | Shooting method and shooting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107197169B (en) | 2019-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107197169A (en) | A kind of high dynamic range images image pickup method and mobile terminal | |
| CN107172296A (en) | A kind of image capturing method and mobile terminal | |
| CN105872148B (en) | A kind of generation method and mobile terminal of high dynamic range images | |
| CN107277387A (en) | High dynamic range images image pickup method, terminal and computer-readable recording medium | |
| CN107197170A (en) | A kind of exposal control method and mobile terminal | |
| CN107395998A (en) | A kind of image capturing method and mobile terminal | |
| CN107302664A (en) | A kind of image pickup method and mobile terminal | |
| CN106331510A (en) | Backlight photographing method and mobile terminal | |
| CN107396019A (en) | A kind of slow motion video method for recording and mobile terminal | |
| CN106777329B (en) | A kind of processing method and mobile terminal of image information | |
| CN106060406A (en) | Photographing method and mobile terminal | |
| CN107395976B (en) | A kind of acquisition parameters setting method and mobile terminal | |
| CN107635093A (en) | A kind of image processing method, mobile terminal and computer-readable recording medium | |
| CN106161967A (en) | A kind of backlight scene panorama shooting method and mobile terminal | |
| CN107395898A (en) | A kind of image pickup method and mobile terminal | |
| CN107231530A (en) | A kind of photographic method and mobile terminal | |
| CN106937055A (en) | A kind of image processing method and mobile terminal | |
| CN107147837A (en) | The method to set up and mobile terminal of a kind of acquisition parameters | |
| CN107277481A (en) | A kind of image processing method and mobile terminal | |
| CN107465874B (en) | A kind of dark current processing method and mobile terminal | |
| CN107317993A (en) | A kind of video call method and mobile terminal | |
| CN106170058A (en) | A kind of exposure method and mobile terminal | |
| CN106506960A (en) | A kind of processing method of view data and mobile terminal | |
| CN107659769A (en) | A kind of image pickup method, first terminal and second terminal | |
| CN105959574B (en) | A kind of photographic method and mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |