CN108449541A - A kind of panoramic picture image pickup method and mobile terminal - Google Patents
A kind of panoramic picture image pickup method and mobile terminal Download PDFInfo
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- CN108449541A CN108449541A CN201810200223.0A CN201810200223A CN108449541A CN 108449541 A CN108449541 A CN 108449541A CN 201810200223 A CN201810200223 A CN 201810200223A CN 108449541 A CN108449541 A CN 108449541A
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- 230000015572 biosynthetic process Effects 0.000 claims abstract description 81
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- 230000002194 synthesizing effect Effects 0.000 claims description 12
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
- G06T3/4038—Scaling the whole image or part thereof for image mosaicing, i.e. plane images composed of plane sub-images
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
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- G06T5/90—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20212—Image combination
- G06T2207/20221—Image fusion; Image merging
Abstract
A kind of panoramic picture image pickup method of present invention offer and mobile terminal, the different image of three kinds of depth of exposure is obtained respectively to synthesize three initial panoramic pictures, reuse high dynamic range images treated three initial panoramic pictures synthesis target panoramic pictures, in this way, the probability that the light and dark striped of target panoramic picture occurs can be reduced, the uniformity of brightness on target panoramic picture is improved, the image detail and picture quality of target panoramic picture are improved.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of panoramic picture image pickup methods and mobile terminal.
Background technology
It improving with the development of science and technology, the communication technology is developed rapidly and significant progress, and with the communication technology
Raising, mobile terminal is at an indispensable part in for people's lives, and while mobile terminal is popularized, user is to movement
The functional type and performance requirement that terminal has are higher and higher, as function of surfing the Net, audio-frequency function, shooting function and fast charge charge
Function etc. all has become the necessary functions of intelligent terminal or mobile terminal.
Have become a kind of trend currently, being taken pictures or being imaged using mobile terminal.Wherein, panoramic picture due to
With a wide range of visual angle and abundant picture material, liking for photographer is obtained.But the shooting of current panoramic picture, it is clapping
It is unstable due to ambient light during taking the photograph, such as there is backlight environment or angle, and by the brighter environment of light or
Person's angular movement to dark environment or angle when, can make shooting process occur it is over-exposed and/or exposure not
The situation of foot easily leads on the panoramic picture that shooting obtains and light and dark striped occurs, influences the image detail of panoramic picture
And picture quality.
Invention content
A kind of panoramic picture image pickup method of offer of the embodiment of the present invention and mobile terminal are shot with solving existing mobile terminal
When panoramic picture, easily occurs light and dark striped on panoramic picture, image detail is insufficient, the bad problem of picture quality.
In order to solve the above technical problems, an embodiment of the present invention provides a kind of panoramic picture image pickup method, using mobile whole
End, the mobile terminal includes the camera module of the first camera, second camera and third camera, the method packet
It includes：
Obtain at least first image of frame, the second camera acquisition of the normal exposure of the first camera acquisition
Over-exposed at least second image of frame and third camera acquisition a under-exposed at least frame third image；
Based at least first image of frame, the first initial panoramic picture is synthesized, based at least second figure of frame
Picture synthesizes the second initial panoramic picture, and based on an at least frame third image, synthesizes the initial panoramic picture of third；
Respectively to the described first initial panoramic picture, the second initial panoramic picture and the initial panoramic picture of the third
Carry out high dynamic range images processing；
Will treated the first initial panoramic picture, the second initial panoramic picture and the third it is initially complete
Scape image synthesizes, and generates target panoramic picture；
Wherein, data frame synthesis frame per second and acquisition described first image, described second of the target panoramic picture are synthesized
It is identical that the data frame of image and the third image obtains frame per second.
The embodiment of the present invention also provides a kind of mobile terminal, and the mobile terminal includes the first camera, second camera
With the camera module of third camera, the mobile terminal includes：
Acquisition module, it is at least first image of frame for the normal exposure for obtaining first camera acquisition, described
The under-exposure of over-exposed at least second image of frame and third camera acquisition for second camera acquisition is extremely
A few frame third image；
First synthesis module is based on institute for based at least first image of frame, synthesizing the first initial panoramic picture
At least second image of frame is stated, the second initial panoramic picture is synthesized, and based on an at least frame third image, at the beginning of synthesizing third
Beginning panoramic picture；
First processing module, for respectively to the described first initial panoramic picture, the second initial panoramic picture and institute
It states the initial panoramic picture of third and carries out high dynamic range images processing；
Second synthesis module, for will treated the first initial panoramic picture, the second initial panoramic picture
And the initial panoramic picture synthesis of third, generate target panoramic picture；
Wherein, data frame synthesis frame per second and acquisition described first image, described second of the target panoramic picture are synthesized
It is identical that the data frame of image and the third image obtains frame per second.
The embodiment of the present invention also provides a kind of mobile terminal, including processor, memory and is stored on the memory
And the computer program that can be run on the processor, the computer program are realized above-mentioned full when being executed by the processor
The step of scape image capturing method.
Fourth aspect, the embodiment of the present invention also provide a kind of computer readable storage medium, the computer-readable storage
Computer program is stored on medium, the computer program realizes above-mentioned panoramic picture image pickup method when being executed by processor
Step.
In embodiments of the present invention, pass through at least first figure of frame for the normal exposure of acquisition the first camera acquisition
The exposure that picture, over-exposed at least second image of frame for second camera acquisition and the third camera acquire is not
An at least frame third image for foot；Based at least first image of frame, the first initial panoramic picture is synthesized, based on described in extremely
Few second image of frame synthesizes the second initial panoramic picture, and based on an at least frame third image, synthesis third is initially complete
Scape image；Respectively to the described first initial panoramic picture, the second initial panoramic picture and the initial panoramic picture of the third
Carry out high dynamic range images processing；Will treated the first initial panoramic picture, the second initial panoramic picture with
And the initial panoramic picture synthesis of third, generate target panoramic picture；Wherein, the data frame of the target panoramic picture is synthesized
It is identical as the data frame acquisition frame per second of described first image, second image and the third image is obtained to synthesize frame per second.This
Sample can reduce the probability that the light and dark striped of target panoramic picture occurs, improve the uniformity of brightness on target panoramic picture,
Improve the image detail and picture quality of target panoramic picture.
Description of the drawings
Fig. 1 is the flow chart for the panoramic picture image pickup method that one embodiment of the invention provides；
Fig. 2 is one of the structure chart of mobile terminal that one embodiment of the invention provides；
Fig. 3 is the two of the structure chart for the mobile terminal that one embodiment of the invention provides；
Fig. 4 is the three of the structure chart for the mobile terminal that one embodiment of the invention provides；
Fig. 5 is the four of the structure chart for the mobile terminal that one embodiment of the invention provides；
Fig. 6 is the structure chart of the second synthesis module shown in Fig. 2；
Fig. 7 is the structure chart for the mobile terminal that another embodiment of the present invention provides.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
It is the flow chart for the panoramic picture image pickup method that one embodiment of the invention provides referring to Fig. 1, Fig. 1.The method is answered
For mobile terminal, the mobile terminal includes the camera module of the first camera, second camera and third camera, such as
Shown in Fig. 1, it the described method comprises the following steps：
Step 101, at least first image of frame, described second for obtaining the normal exposure that first camera acquires are taken the photograph
As over-exposed at least second image of frame that head acquires and the under-exposed at least frame that the third camera acquires
Third image.
In the step, for the mobile terminal after receiving the shooting instruction of user, the mobile terminal can control institute
Camera module work is stated, carrying out image using first camera, the second camera and the third camera adopts
Collection, specifically, can be an at least frame first of the mobile terminal control using first camera acquisition normal exposure
Image, the second camera acquire over-exposed at least second image of frame and third camera acquisition is under-exposed
An at least frame third image, come obtain normal exposure at least first image of frame, over-exposed described at least one
The second image of frame and a under-exposed at least frame third image.
Wherein, described at least second image of frame and acquisition described at least first image of frame, acquisition described in obtaining at least
One frame third image can be all made of and followed using first camera, the second camera and the third camera
The mode of ring crawl data frame carries out the acquisition of image data frame, first camera, the second camera and described
The image data frame of third camera acquisition can be cached to 3 buffer queues respectively.
Preferably, in present embodiment, first camera can be main camera, the second camera and described
Third camera can be secondary camera.However, it is not limited to this, and in other embodiments, first camera can also
It is secondary camera, one of the second camera and the third camera are main camera, and another one is secondary camera.
Wherein, the normal exposure can be that when shooting, exposure parameter is the shooting of the first predetermined threshold value；The exposure
When excessively can be shooting, exposure parameter be more than the shooting of the second predetermined threshold value；When the under-exposure can be shooting, exposure
Parameter is less than the shooting of third predetermined threshold value.
Step 102, at least first image of frame based on described in, synthesize the first initial panoramic picture, based on described at least one
The second image of frame synthesizes the second initial panoramic picture, and based on an at least frame third image, synthesizes the initial panorama sketch of third
Picture.
In the step, the mobile terminal is getting at least first image of frame, at least second figure of frame
After picture and an at least frame third image, the mobile terminal can be at least first image of frame, described at least one
The second image of frame and an at least frame third image carry out synthesis processing, to be based at least first image of frame, synthesis
First initial panoramic picture synthesizes the second initial panoramic picture, and based on described at least based at least second image of frame
One frame third image synthesizes the initial panoramic picture of third.
Wherein, it is based at least first image of frame, the first initial panoramic picture is synthesized, can be the mobile terminal
Splice together after getting the first all images, then to the first all images, it is initial to synthesize described first
Panoramic picture can also be after the mobile terminal gradually gets the first image of every frame, successively to the first figure of every frame of acquisition
As carrying out cumulative splicing, to synthesize the described first initial panoramic picture, such as after getting the first image of front cross frame, with regard to carrying out
Primary splicing, then after getting the first image of third frame, then the first image of third frame and the first image mosaic of front cross frame
The image of synthesis is synthesized, and is spliced successively, to synthesize the described first initial panoramic picture.It is initial complete to synthesize described second
Scape image is identical with the first initial panoramic picture is synthesized with the mode of the initial panoramic picture of the third, repeats no more.
In this way, after the acquisition for mobile terminal to described first image, second image and the third image, and
Shi Jinhang initial panoramic picture synthesis processing, come synthesize the described first initial panoramic picture, the second initial panoramic picture and
The initial panoramic picture of third can improve the fluency of panoramic picture synthesis, make the described first initial panoramic picture, described
The synthesis frame per second of second initial panoramic picture and the initial panoramic picture of the third respectively with obtain described first image, described the
Two images are identical with the acquisition frame per second of the third image, reduce the dependence to mobile terminal hardware, ensure synthesis panorama sketch
The frame per second of picture.
It is step 103, initial to the described first initial panoramic picture, the second initial panoramic picture and the third respectively
Panoramic picture carries out high dynamic range images processing.
In the step, when the mobile terminal synthesizes the first initial panoramic picture, the second initial panoramic picture
After the initial panoramic picture of the third, the mobile terminal can be first at the beginning of the described first initial panoramic picture, described second
Beginning panoramic picture and the initial panoramic picture of the third carry out high dynamic range images processing.
In this way, to the described first initial panoramic picture, the second initial panoramic picture and the initial panorama sketch of the third
As carry out high dynamic range images processing, can improve the described first initial panoramic picture, the second initial panoramic picture and
The contrast of respective image on the initial panoramic picture of third improves the first initial panoramic picture, described second initially
The uniformity of brightness, makes the described first initial panoramic picture, described second on panoramic picture and the initial panoramic picture of the third
Initial panoramic picture and the image detail on the initial panoramic picture of the third and picture material more horn of plenty.
Step 104, will treated the first initial panoramic picture, the second initial panoramic picture and described the
Three initial panoramic picture synthesis, generate target panoramic picture.
In the step, the mobile terminal is to the described first initial panoramic picture, the second initial panoramic picture and institute
It states after the initial panoramic picture of third carries out high dynamic range images processing, the mobile terminal can be described the to treated
One initial panoramic picture, the second initial panoramic picture and the initial panoramic picture of the third carry out synthesis processing, to raw
At target panoramic picture.
Specifically, initially complete using the described first initial panoramic picture, the second initial panoramic picture and the third
Scape image synthesizes the target panoramic picture, can be by way of scratching figure either by way of cutting and splicing etc. come into
The synthesis of row target panoramic picture.
Wherein, due to being the first initial panorama for first synthesizing after getting the first image, the second image and third image
Image, the second initial panoramic picture and the initial panoramic picture of third, then synthesize the target panoramic picture so that first is initial complete
The synthesis frame per second of scape image, the second initial panoramic picture and the initial panoramic picture of third with obtain the first image, the second image and
The acquisition frame per second of third image is identical, so that the data frame synthesis frame per second of synthesis target panoramic picture and the first figure of acquisition
The data frame acquisition frame per second of picture, the second image of acquisition and acquisition third image is identical, in this way, panoramic picture synthesis can be improved
Fluency can reduce the dependence to mobile terminal hardware, ensure the frame per second of synthesis panoramic picture.
In this way, the probability that the light and dark striped of target panoramic picture occurs can be reduced, improve bright on target panoramic picture
The uniformity of degree improves the image detail and picture quality of target panoramic picture.
Above-mentioned panoramic picture image pickup method is first respectively synthesized three after obtaining the different image of three kinds of depth of exposure respectively
Three different initial panoramic pictures of kind depth of exposure, after doing high dynamic range images processing to three initial panoramic pictures,
The three initial panoramic pictures synthesis target panoramic pictures that reuse that treated, in this way, three initial panoramas being first respectively synthesized
Since respective exposure is identical on image, the probability that light and dark striped occurs on each initial panoramic picture can be reduced,
The uniformity of brightness on each initial panoramic picture is improved, and then high dynamic range images are done respectively to three initial panoramic pictures
Processing, to effectively improve the image detail and picture quality of three initial panoramic pictures so that the target panorama sketch being finally synthesizing
As upper brightness uniformity, details is clear, and picture quality is improved, and is carried out in time just after getting image using camera
Beginning panoramic picture synthesis is handled, and can improve the fluency of panoramic picture synthesis, is made the synthesis frame per second of initial panoramic picture and is obtained
Take the acquisition frame per second of three kinds of different images of depth of exposure identical, so the synthesis frame per second for making synthesis target panoramic picture with obtain
It takes the acquisition frame per second of three kinds of different images of depth of exposure identical, the dependence to mobile terminal hardware can be reduced, ensure to close
At the frame per second of panoramic picture.
Optionally, step 104 includes：
The over-exposed area image and region of underexposure in the described first initial panoramic picture after identifying processing
Image；The picture material phase in treated the second initial panoramic picture with the region of underexposure area image is obtained respectively
With the second compensation image, and the figure in treated the initial panoramic picture of third with the over-exposed area image
As the identical third of content compensates image；To treated the first initial panoramic picture, the second compensation image and described
Third compensation image carries out synthesis processing, generates target panoramic picture.
In the step, the mobile terminal is synthesizing the first initial panoramic picture, the second initial panoramic picture
After the initial panoramic picture of the third, since the described first initial panoramic picture is the first image synthesis of normal exposure,
Benchmark image is may act as, so the mobile terminal can be detected the described first initial panoramic picture, to identify
Go out over-exposed area image and region of underexposure area image in the described first initial panoramic picture；Further, the shifting
Dynamic terminal can be detected the described second initial panoramic picture and the initial panoramic picture of the third, to identify by place
In the described second initial panoramic picture after reason, the second compensation image corresponding with the region of underexposure area image, and
It identifies in the initial panoramic picture of the third after treatment, third corresponding with the over-exposed area image is mended
Repay image；Finally, the mobile terminal is initial using after corrected processing, frame synchronization process and noise reduction process described first
Panoramic picture and the second compensation image and third compensation image carry out synthesis processing, to complete to generate target
Scape image.
Wherein, the second compensation image corresponding with the region of underexposure area image in the described second initial panoramic picture,
Picture material portion identical with the picture material in the region of underexposure area image in the as described second initial panoramic picture
Subregion area image；Third corresponding with the over-exposed area image compensates image in the initial panoramic picture of third, i.e.,
For the part identical with the picture material in the over-exposed area image of picture material in the initial panoramic picture of the third
Area image.
Wherein, after treatment the described second initial panoramic picture and the initial panorama of the third after treatment
Image can be handled by high dynamic range images or corrected processing, frame synchronization process and noise reduction process etc.
The second initial panoramic picture after image procossing and the initial panoramic picture of third, to improve picture quality.
Wherein, to treated, the first initial panoramic picture, the second compensation image and the third compensate image
Synthesis processing is carried out, can be carrying out target panoramic picture by way of scratching figure or by way of cutting and splicing etc.
Synthesis.
Optionally, after step 101, and before step 102, the method includes：
Frame synchronization process is done to described first image, second image and the third image, by first figure
As, second image and the third image rectification to same time field.
Since the first camera, the second camera and the respective parameter of third camera have differences, and
In the time for being respectively received shooting instruction, there is also differences, thus the time for respectively shooting obtained image also have it is certain poor
It is different.
Therefore, in this step, when the mobile terminal respectively by first camera, the second camera and
After the third camera gets described first image, second image and the third image, the mobile terminal can
With according to the parameter of the dual camera module, such as first camera, the second camera and the third camera
Mutual alignment, focus adjustment and shooting each other needs the parameters such as time length, to described first image, second figure
Picture and the third image carry out frame synchronization process, respective initial complete subsequently to synthesize to be corrected to same time field
Scape image.
Wherein, frame synchronization process is carried out to described first image, second image and the third image, can refers to
By at least second image of frame described in acquisition and an at least frame third image, with an at least frame first described in acquisition
A frame third image in image in identical the second image of a frame of the display content of the first image of each frame, to do at frame synchronization
Reason, to correction to same time field.
Wherein, frame synchronization process is carried out to described first image, second image and the third image, can refers to
The acquisition time of described first image, second image and the third image is corrected to same time field.
In this way, after frame synchronization process, can make to be respectively synthesized the first initial panoramic picture, the second initial panoramic picture
With the initial panoramic picture of third in same time field, when can be to avoid follow-up synthesis target panoramic picture, due to being the time
Field difference leads to problems such as to synthesize in target panoramic picture in the presence of overlapping, interruption or ghost.
Optionally, after step 101, and before step 102, the method includes：
Based on the parameter of the camera module, to described first image, second image and the third image into
Row correction process, by described first image, second image and the third image rectification to same visual field.
Since the camera module includes first camera, the second camera and the third camera,
And the parameters such as first camera, the position of the second camera and the third camera and shooting angle can not
Together, it has differences, so the visual field for respectively shooting obtained image is different.
Therefore, in this step, when the mobile terminal respectively by first camera, the second camera and
After the third camera gets described first image, second image and the third image, the mobile terminal can
With according to the parameter of the dual camera module, such as first camera, the second camera and the third camera
The parameters such as mutual alignment, respective shooting angle and focal length each other, to described first image, second image and described
Third image is corrected processing, to be corrected to same visual field, subsequently to synthesize respective initial panoramic picture.
Wherein, the same visual field, it is believed that be same display surface, it is also assumed that being in same display frame.
Wherein, can refer to same visual field by described first image, second image and the third image rectification
By at least second image of frame described in acquisition and an at least frame third image, with an at least frame first described in acquisition
A frame third image in image in identical the second image of a frame of the display content of the first image of each frame, to correct to same
Visual field.
In this way, after corrected, it is initially complete to be respectively synthesized the first initial panoramic picture, the second initial panoramic picture and third
Scape image is in same visual field, when can be to avoid follow-up synthesis target panoramic picture, due to visual field difference, causes to synthesize target
There is the problems such as overlapping, interruption or ghost in panoramic picture.
Optionally, after step 101, and before step 102, the method includes：
At least first image of frame, at least second image of frame and an at least frame third image are carried out
Noise reduction process.
In the step, when the mobile terminal passes through first camera, the second camera and described respectively
After three cameras get described first image, second image and the third image, the mobile terminal can be to institute
It states the first image, second image and the third image and carries out noise reduction process.
In this way, the noise on described first image, second image and the third image can be reduced, described in raising
The image definition and quality of first image, second image and the third image.
In the embodiment of the present invention, above-mentioned mobile terminal can any include by the first camera, second camera and third
The mobile terminal of the camera module of camera composition, such as：Mobile phone, tablet computer (Tablet Personal
Computer), laptop computer (Laptop Computer), personal digital assistant (personal digital
Assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID) or wearable device
(Wearable Device) etc..
Panoramic picture image pickup method provided in an embodiment of the present invention obtains normal exposure extremely using first camera
Few first image of frame is obtained over-exposed at least second image of frame using the second camera and uses the third
Camera obtains a under-exposed at least frame third image；The first initial panorama is synthesized using at least first image of frame
Image synthesizes the second initial panoramic picture and an at least frame third image described in using at least second image of frame
Synthesize the initial panoramic picture of third；Respectively to the described first initial panoramic picture, the second initial panoramic picture and described
Three initial panoramic pictures carry out high dynamic range images processing；Will treated the first initial panoramic picture, treated
The second initial panoramic picture and treated that the initial panoramic picture of the third synthesizes target panoramic picture；Wherein, it closes
Data frame synthesis frame per second at the target panoramic picture and acquisition described first image, acquisition second image and acquisition institute
The data frame acquisition frame per second for stating third image is identical.In this way, due to respective on three initial panoramic pictures being first respectively synthesized
Exposure is identical, can reduce the probability that light and dark striped occurs on each initial panoramic picture, improves each initial panorama
The uniformity of brightness on image, and then high dynamic range images processing is done respectively to three initial panoramic pictures, to effectively improve
The image detail and picture quality of three initial panoramic pictures so that brightness uniformity on the target panoramic picture being finally synthesizing, carefully
Section is clear, and picture quality is improved, and carries out initial panoramic picture synthesis in time after getting image using camera
Processing can improve the fluency of panoramic picture synthesis, make three kinds of depth of exposure of synthesis frame per second and acquisition of initial panoramic picture
The acquisition frame per second of different images is identical, and then in three kinds of depth of exposure of the synthesis frame per second for making synthesis target panoramic picture and acquisition
The acquisition frame per second of different images is identical, can reduce the dependence to mobile terminal hardware, ensures the frame of synthesis panoramic picture
Rate.
It is one of the structure chart of mobile terminal that one embodiment of the invention provides referring to Fig. 2 to Fig. 6, Fig. 2, Fig. 3 is this hair
Two, Fig. 4 of the structure chart for the mobile terminal that a bright embodiment provides is the structure for the mobile terminal that one embodiment of the invention provides
Three, Fig. 5 of figure is that four, Fig. 6 of the structure chart for the mobile terminal that one embodiment of the invention provides is the second synthesis mould shown in Fig. 2
The structure chart of block.The mobile terminal 200 includes the camera being made of the first camera, second camera and third camera
Module.As shown in Fig. 2, mobile terminal 200 includes：
Acquisition module 210, at least first image of frame, the institute of the normal exposure for obtaining the first camera acquisition
State the under-exposure of over-exposed at least second image of frame and third camera acquisition for second camera acquisition
An at least frame third image.
First synthesis module 220, for based at least first image of frame, synthesizing the first initial panoramic picture, base
In at least second image of frame, the second initial panoramic picture is synthesized, and based on an at least frame third image, synthesis the
Three initial panoramic pictures.
First processing module 230, for respectively to the described first initial panoramic picture, the second initial panoramic picture and
The initial panoramic picture of third carries out high dynamic range images processing.
Second synthesis module 240, for will treated the first initial panoramic picture, the second initial panorama sketch
Picture and the initial panoramic picture of the third synthesize target panoramic picture.
Wherein, data frame synthesis frame per second and acquisition described first image, described second of the target panoramic picture are synthesized
It is identical that the data frame of image and the third image obtains frame per second.
Optionally, as shown in figure 3, second synthesis module 240 includes：
Recognition unit 241, the over-exposed area image in treated for identification first initial panoramic picture
And region of underexposure area image.
Acquiring unit 242, for obtain respectively in treated the second initial panoramic picture with the under-exposure
In the identical second compensation image of the picture material of area image, and treated the initial panoramic picture of third with it is described
The identical third of picture material of over-exposed area image compensates image.
Generation unit 243, for treated the first initial panoramic picture, the second compensation image and described the
Three compensation images carry out synthesis processing, generate target panoramic picture.
Optionally, such as Fig. 4, the mobile terminal 200 includes：
Frame synchronization process module 260, it is same for doing frame to described first image, second image and the third image
Step processing, by described first image, second image and the third image rectification to same time field.
Optionally, as shown in figure 5, the mobile terminal 200 includes：
Correction process module 250 is used for the parameter based on the camera module, to described first image, described second
Image and the third image are corrected processing, by described first image, second image and the third image calibration
Just to same visual field.
Optionally, as shown in fig. 6, the mobile terminal 200 includes：
Noise reduction process module 270, for carrying out noise reduction to described first image, second image and the third image
Processing.
Mobile terminal 200 can realize each process that mobile terminal is realized in the embodiment of the method for Fig. 1, to avoid weight
Multiple, which is not described herein again.
Mobile terminal provided in an embodiment of the present invention obtains an at least frame for normal exposure using first camera
One image is obtained over-exposed at least second image of frame using the second camera and is obtained using the third camera
Take a under-exposed at least frame third image；The first initial panoramic picture is synthesized using at least first image of frame, is made
The second initial panoramic picture is synthesized at least second image of frame and synthesizes the using an at least frame third image
Three initial panoramic pictures；It is initial to the described first initial panoramic picture, the second initial panoramic picture and the third respectively
Panoramic picture carries out high dynamic range images processing；Will treated the first initial panoramic picture, treated described the
Two initial panoramic pictures and treated that the initial panoramic picture of the third synthesizes target panoramic picture；Wherein, described in synthesis
The data frame synthesis frame per second of target panoramic picture and acquisition described first image, acquisition second image and the acquisition third
It is identical that the data frame of image obtains frame per second.After obtaining the different image of three kinds of depth of exposure respectively, it is first respectively synthesized three kinds of exposures
Three different initial panoramic pictures of light path degree after doing high dynamic range images processing to three initial panoramic pictures, then make
With treated, three initial panoramic pictures synthesize target panoramic picture, in this way, three initial panoramic pictures being first respectively synthesized
On due to respective exposure it is identical, the probability that light and dark striped occurs on each initial panoramic picture can be reduced, improved
The uniformity of brightness on each initial panoramic picture, and then three initial panoramic pictures are done at high dynamic range images respectively
Reason, to effectively improve the image detail and picture quality of three initial panoramic pictures so that the target panoramic picture being finally synthesizing
Upper brightness uniformity, details is clear, and picture quality is improved, and is carried out in time initially after getting image using camera
Panoramic picture synthesis is handled, and can improve the fluency of panoramic picture synthesis, makes synthesis frame per second and the acquisition of initial panoramic picture
The acquisition frame per second of three kinds of different images of depth of exposure is identical, and then in the synthesis frame per second for making synthesis target panoramic picture and acquisition
The acquisition frame per second of three kinds of different images of depth of exposure is identical, can reduce the dependence to mobile terminal hardware, ensures synthesis
The frame per second of panoramic picture.
Referring to Fig. 7, a kind of hardware architecture diagram of Fig. 7 mobile terminals of each embodiment to realize the present invention.Such as Fig. 7
Shown in, which includes but not limited to：Radio frequency unit 701, network module 702, audio output unit 703, input
Unit 704, sensor 705, display unit 706, user input unit 707, interface unit 708, memory 709, processor
The components such as 710 and power supply 711.It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 7 is not constituted
Restriction to mobile terminal, mobile terminal may include than illustrating more or fewer components, either combine certain components or
Different component arrangements.In embodiments of the present invention, mobile terminal include but not limited to mobile phone, tablet computer, laptop,
Palm PC, car-mounted terminal, wearable device and pedometer etc..
The mobile terminal includes camera module, and camera module includes the first camera, second camera and third
Camera.
Wherein, processor 710, at least first figure of frame for the normal exposure for obtaining the first camera acquisition
The exposure that picture, over-exposed at least second image of frame for second camera acquisition and the third camera acquire is not
An at least frame third image for foot；Based at least first image of frame, the first initial panoramic picture is synthesized, based on described in extremely
Few second image of frame synthesizes the second initial panoramic picture, and based on an at least frame third image, synthesis third is initially complete
Scape image；Respectively to the described first initial panoramic picture, the second initial panoramic picture and the initial panoramic picture of the third
Carry out high dynamic range images processing；Will treated the first initial panoramic picture, the second initial panoramic picture with
And the initial panoramic picture synthesis of third, generate target panoramic picture；Wherein, the data frame of the target panoramic picture is synthesized
It is identical as the data frame acquisition frame per second of described first image, second image and the third image is obtained to synthesize frame per second.
In this way, can be reduced each on three initial panoramic pictures being first respectively synthesized since respective exposure is identical
The probability that light and dark striped occurs on initial panoramic picture improves the uniformity of brightness on each initial panoramic picture, in turn
High dynamic range images processing is done respectively to three initial panoramic pictures, it is thin with the image for effectively improving three initial panoramic pictures
Section and picture quality so that brightness uniformity on the target panoramic picture being finally synthesizing, details is clear, and picture quality is improved,
And carry out initial panoramic picture synthesis processing in time after getting image using camera, panoramic picture synthesis can be improved
Fluency, the acquisition frame per second for the image for keeping the synthesis frame per second of initial panoramic picture different from three kinds of depth of exposure are obtained is identical,
And then it is identical in the acquisition frame per second of the synthesis frame per second for the making synthesis target panoramic picture image different from three kinds of depth of exposure are obtained,
The dependence to mobile terminal hardware can be reduced, ensures the frame per second of synthesis panoramic picture.
It should be understood that the embodiment of the present invention in, radio frequency unit 701 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 710 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 701 includes but not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 701 can also by radio communication system and network and other set
Standby communication.
Mobile terminal has provided wireless broadband internet to the user by network module 702 and has accessed, and such as user is helped to receive
Send e-mails, browse webpage and access streaming video etc..
It is that audio output unit 703 can receive radio frequency unit 701 or network module 702 or in memory 709
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 703 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 700 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 703 includes loud speaker, buzzer and receiver etc..
Input unit 704 is for receiving audio or video signal.Input unit 704 may include graphics processor
(Graphics Processing Unit, GPU) 7041 and microphone 7042, graphics processor 7041 is in video acquisition mode
Or the image data of the static images or video obtained by image capture apparatus (such as camera) in image capture mode carries out
Reason.Treated, and picture frame may be displayed on display unit 706.Through graphics processor 7041, treated that picture frame can be deposited
Storage is sent in memory 709 (or other storage mediums) or via radio frequency unit 701 or network module 702.Mike
Wind 7042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output of mobile communication base station can be sent to via radio frequency unit 701 by being converted in the case of telephone calling model.
Mobile terminal 700 further includes at least one sensor 705, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 7061, and proximity sensor can close when mobile terminal 700 is moved in one's ear
Display panel 7061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, size and the direction of gravity are can detect that when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 705 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 706 is for showing information input by user or being supplied to the information of user.Display unit 706 can wrap
Display panel 7061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode may be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 7061.
User input unit 707 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family is arranged and the related key signals input of function control.Specifically, user input unit 707 include touch panel 7071 and
Other input equipments 7072.Touch panel 7071, also referred to as touch screen collect user on it or neighbouring touch operation
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 7071 or in touch panel 7071
Neighbouring operation).Touch panel 7071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects the signal that touch operation is brought, and transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 710, receiving area
It manages the order that device 710 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Type realizes touch panel 7071.In addition to touch panel 7071, user input unit 707 can also include other input equipments
7072.Specifically, other input equipments 7072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating lever, details are not described herein.
Further, touch panel 7071 can be covered on display panel 7061, when touch panel 7071 is detected at it
On or near touch operation after, send processor 710 to determine the type of touch event, be followed by subsequent processing device 710 according to touch
The type for touching event provides corresponding visual output on display panel 7061.Although in the figure 7, touch panel 7071 and display
Panel 7061 is to realize the function that outputs and inputs of mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 7071 and display panel 7061 and realize the function that outputs and inputs of mobile terminal, it is specific this
Place does not limit.
Interface unit 708 is the interface that external device (ED) is connect with mobile terminal 700.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 708 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in mobile terminal 700 or can be used in 700 He of mobile terminal
Transmission data between external device (ED).
Memory 709 can be used for storing software program and various data.Memory 709 can include mainly storing program area
And storage data field, wherein storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 709 may include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 710 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 709, and calls and is stored in storage
Data in device 709 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Reason device 710 may include one or more processing units；Preferably, processor 710 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 710.
Mobile terminal 700 can also include the power supply 711 (such as battery) powered to all parts, it is preferred that power supply 711
Can be logically contiguous by power-supply management system and processor 710, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 700 includes some unshowned function modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 710, and memory 709 is stored in
On memory 709 and the computer program that can be run on the processor 710, the computer program are executed by processor 710
Each process of the above-mentioned panoramic picture image pickup method embodiments of Shi Shixian, and identical technique effect can be reached, to avoid repeating,
Which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned panoramic picture image pickup method embodiment when being executed by processor,
And identical technique effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium,
Such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, letter
Claim RAM), magnetic disc or CD etc..
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within the protection of the present invention.
Claims (12)
1. a kind of panoramic picture image pickup method is applied to mobile terminal, which is characterized in that the mobile terminal includes being taken the photograph by first
As head, second camera and third camera form camera module, the method includes：
Obtain at least first image of frame for the normal exposure of the first camera acquisition, the exposure of second camera acquisition
A under-exposed at least frame third image for excessive at least second image of frame of light and third camera acquisition；
Based at least first image of frame, the first initial panoramic picture is synthesized, based at least second image of frame, is closed
At the second initial panoramic picture, and based on an at least frame third image, synthesize the initial panoramic picture of third；
The described first initial panoramic picture, the second initial panoramic picture and the initial panoramic picture of the third are carried out respectively
High dynamic range images processing；
It will treated the first initial panoramic picture, the second initial panoramic picture and the initial panorama sketch of the third
As synthesis, target panoramic picture is generated；
Wherein, the data frame synthesis frame per second and acquisition described first image, second image of the target panoramic picture are synthesized
It is identical that frame per second is obtained with the data frame of the third image.
2. according to the method described in claim 1, it is characterized in that, described by the described first initial panoramic picture, described second
Initial panoramic picture and the initial panoramic picture synthesis of the third, generate target panoramic picture, including：
The over-exposed area image and region of underexposure area image in the described first initial panoramic picture after identifying processing；
The picture material phase in treated the second initial panoramic picture with the region of underexposure area image is obtained respectively
With the second compensation image, and the figure in treated the initial panoramic picture of third with the over-exposed area image
As the identical third of content compensates image；
To treated, the first initial panoramic picture, the second compensation image and third compensation image carry out at synthesis
Reason generates target panoramic picture.
3. according to the method described in claim 1, it is characterized in that, obtaining the normal exposure of the first camera acquisition
At least first image of frame, over-exposed at least second image of frame for second camera acquisition and the third image
After a under-exposed at least frame third image for head acquisition, and based at least first image of frame, synthesis the
One initial panoramic picture synthesizes the second initial panoramic picture, and based on described at least one based at least second image of frame
Frame third image, before synthesizing the initial panoramic picture of third, the method includes：
Frame synchronization process is done to described first image, second image and the third image, by described first image, institute
The second image and the third image rectification are stated to same time field.
4. according to the method described in claim 1, it is characterized in that, obtaining the normal exposure of the first camera acquisition
At least first image of frame, over-exposed at least second image of frame for second camera acquisition and the third image
After a under-exposed at least frame third image for head acquisition, and based at least first image of frame, synthesis the
One initial panoramic picture synthesizes the second initial panoramic picture, and based on described at least one based at least second image of frame
Frame third image, before synthesizing the initial panoramic picture of third, the method includes：
Based on the parameter of the camera module, school is carried out to described first image, second image and the third image
Positive processing, by described first image, second image and the third image rectification to same visual field.
5. according to the method described in claim 1, it is characterized in that, obtaining the normal exposure of the first camera acquisition
At least first image of frame, over-exposed at least second image of frame for second camera acquisition and the third image
After a under-exposed at least frame third image for head acquisition, and based at least first image of frame, synthesis the
One initial panoramic picture synthesizes the second initial panoramic picture, and based on described at least one based at least second image of frame
Frame third image, before synthesizing the initial panoramic picture of third, the method includes：
Noise reduction process is carried out to described first image, second image and the third image.
6. a kind of mobile terminal, which is characterized in that the mobile terminal includes being taken the photograph by the first camera, second camera and third
As the camera module that head forms, the mobile terminal includes：
Acquisition module, at least first image of frame, described second of the normal exposure for obtaining the first camera acquisition
Under-exposed at least one of over-exposed at least second image of frame and third camera acquisition for camera acquisition
Frame third image；
First synthesis module is used to, based at least first image of frame, synthesize the first initial panoramic picture, based on described in extremely
Few second image of frame synthesizes the second initial panoramic picture, and based on an at least frame third image, synthesis third is initially complete
Scape image；
First processing module, for respectively to the described first initial panoramic picture, the second initial panoramic picture and described the
Three initial panoramic pictures carry out high dynamic range images processing；
Second synthesis module, for will treated the first initial panoramic picture, the second initial panoramic picture and
The initial panoramic picture synthesis of third, generates target panoramic picture；
Wherein, the data frame synthesis frame per second and acquisition described first image, second image of the target panoramic picture are synthesized
It is identical that frame per second is obtained with the data frame of the third image.
7. mobile terminal according to claim 6, which is characterized in that second synthesis module includes：
Recognition unit, the over-exposed area image in treated for identification first initial panoramic picture and exposure
Insufficient area image；
Acquiring unit, for obtain respectively in treated the second initial panoramic picture with the region of underexposure area image
The identical second compensation image of picture material, and in treated the initial panoramic picture of third with it is described over-exposed
The identical third of picture material of area image compensates image；
Generation unit, for the first initial panoramic picture, the second compensation image and the third to compensate to treated
Image carries out synthesis processing, generates target panoramic picture.
8. mobile terminal according to claim 6, which is characterized in that the mobile terminal includes：
Frame synchronization process module, for doing frame synchronization process to described first image, second image and the third image,
With by described first image, second image and the third image rectification to same time field.
9. mobile terminal according to claim 6, which is characterized in that the mobile terminal includes：
Correction process module is used for the parameter based on the camera module, to described first image, second image and institute
It states third image and is corrected processing, by described first image, second image and the third image rectification to same
Visual field.
10. mobile terminal according to claim 6, which is characterized in that the mobile terminal includes：
Noise reduction process module, for carrying out noise reduction process to described first image, second image and the third image.
11. a kind of mobile terminal, which is characterized in that including processor, memory and be stored on the memory and can be in institute
The computer program run on processor is stated, such as claim 1 to 5 is realized when the computer program is executed by the processor
Any one of described in panoramic picture image pickup method the step of.
12. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the panoramic picture shooting as described in any one of claim 1 to 5 when the computer program is executed by processor
The step of method.
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| CN113012052A (en) * | 2019-12-19 | 2021-06-22 | 浙江商汤科技开发有限公司 | Image processing method and device, electronic equipment and storage medium |
| GB2620224A (en) * | 2022-06-30 | 2024-01-03 | Lenovo Beijing Ltd | Image capturing method and apparatus, device and storage medium |
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