CN108777783A - A kind of image processing method and device - Google Patents
A kind of image processing method and device Download PDFInfo
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- CN108777783A CN108777783A CN201810746159.6A CN201810746159A CN108777783A CN 108777783 A CN108777783 A CN 108777783A CN 201810746159 A CN201810746159 A CN 201810746159A CN 108777783 A CN108777783 A CN 108777783A
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- 238000000605 extraction Methods 0.000 claims abstract description 23
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- 238000012545 processing Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 4
- 239000000284 extract Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4038—Image mosaicing, e.g. composing plane images from plane sub-images
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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
- H04N23/80—Camera processing pipelines; Components thereof
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Abstract
The invention discloses a kind of image processing method and devices, including：S1：The area-of-interest in original image is extracted by ROI extraction algorithms；S2：The area-of-interest of original image and background image are carried out background to piece together to obtain stitching image；S3：The color conversion of coloured image to stitching image is obtained into result images by color pass-algorithm.Image processing method in the present invention extracts the area-of-interest of original image by ROI extraction algorithms and is pieced together with background image, then color conversion is carried out according to color pass-algorithm again, compared with current color Transfer Technology can only carry out overall color change to original image, it can be in the case where not influencing the expression of image body matter, improve the flexibility ratio of image color matching, so that scheme of colour is more lively changeable, more personalized, add the interest of image color matching, it is dull to solve current image procossing scheme, the technical issues of being difficult to meet people the multiple demand for image procossing.
Description
Technical field
The present invention relates to technical field of image processing more particularly to a kind of image processing methods and device.
Background technology
With the development of science and technology, great amount of images enters people's lives, such as people pass through miscellaneous shooting work
The art pattern etc. that the image for the personage and landscape that tool shooting is liked oneself and progress artistic creation obtain.
Sometimes people want that these images are further processed, but the scheme of present image processing is all more dull,
Such as most of mobile phone U.S. figure class (or image processing class) softwares can adjust the style of image, but simple can only also obtain logical
Overregulate image tone make image have miss old times or old friends, be honorable, the images style such as indifferent to fame or gain and Blues, it is difficult to meet people for figure
As processing increasingly multiple demands.
Therefore, it is dull to result in current image procossing scheme, it is difficult to meet diversification need of the people for image procossing
The technical issues of asking.
Invention content
The present invention provides a kind of image processing method and devices, and it is dull to solve current image procossing scheme, it is difficult to
The technical issues of meeting multiple demand of the people for image procossing.
The present invention provides a kind of image processing methods, including：
S1：The area-of-interest in original image is extracted by ROI extraction algorithms；
S2：The area-of-interest of original image and background image are carried out background to piece together to obtain stitching image；
S3：The color conversion of coloured image to stitching image is obtained into result images by color pass-algorithm.
Preferably, further include before step S1：Step S0；
S0：Obtain the background image and the coloured image for carrying out color transmission for carrying out that background is pieced together.
The present invention provides a kind of image processing apparatus, including：
Image extraction unit, for extracting the area-of-interest in original image by ROI extraction algorithms；
Background pieces unit together, is spliced for piecing the area-of-interest of original image together with background image progress background
Image；
Color transfer unit, for being tied the color conversion of coloured image to stitching image by color pass-algorithm
Fruit image.
Preferably, further include：Image acquisition unit；
Image acquisition unit carries out the background image and the coloured image for carrying out color transmission that background is pieced together for obtaining.
As can be seen from the above technical solutions, the present invention has the following advantages：
The present invention provides a kind of image processing methods, including：S1：It is extracted in original image by ROI extraction algorithms
Area-of-interest；S2：The area-of-interest of original image and background image are carried out background to piece together to obtain stitching image；S3：It is logical
It crosses color pass-algorithm and the color conversion of coloured image to stitching image is obtained into result images.
Image processing method in the present invention can be extracted by ROI (region of interest, area-of-interest)
The area-of-interest of algorithm extraction original image is simultaneously pieced together with background image, replaces background according to the hobby of user, so
Color conversion is carried out according to color pass-algorithm again afterwards, whole color can only be carried out to original image with current color Transfer Technology
Coloured silk change is compared, and in the case where not influencing the expression of image body matter, improves the flexibility ratio of image color matching so that color matching side
More lively changeable, the more personalized of case, adds the interest of image color matching, solves current image procossing scheme list
It adjusts, it is difficult to the technical issues of meeting multiple demand of the people for image procossing.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow diagram of one embodiment of image processing method provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of one embodiment of image processing apparatus provided in an embodiment of the present invention
Fig. 3 is the first exemplary plot that background provided in an embodiment of the present invention is pieced together；
Fig. 4 is the second exemplary plot that background provided in an embodiment of the present invention is pieced together.
Specific implementation mode
An embodiment of the present invention provides a kind of image processing method and devices, solve current image procossing scheme list
It adjusts, it is difficult to the technical issues of meeting multiple demand of the people for image procossing.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
It please refers to Fig.1, Fig. 3 and Fig. 4, an embodiment of the present invention provides a kind of one embodiment of image processing method, packets
It includes：
Step 101：Obtain the background image and the coloured image for carrying out color transmission for carrying out that background is pieced together；
It should be noted that people occasionally want to handle some images in life, such as one image of self-timer,
It is but less satisfied to background and scheme of colour, it is desirable to replace background and scheme of colour.
So the background image needed replacing and the cromogram with the scheme of colour for enabling operator be satisfied with can be obtained first
Picture.
Step 102：The area-of-interest in original image is extracted by ROI extraction algorithms；
It should be noted that area-of-interest refers to that can most cause user interest in image, can most show picture material
Region.
This image representing method based on area-of-interest has distinguished the significance level in region, eliminates to a certain extent
The redundancy of image, highlights the main contents of image.The interference that minor coverage is brought is eliminated, ROI theories are introduced
In image analysis, image analysis can be made more targeted.
Can extract the area-of-interest in original image by ROI extraction algorithms, for example, can individually using personage as
Area-of-interest extracts.
Step 103：The area-of-interest of original image and background image are carried out background to piece together to obtain stitching image；
It should be noted that be extracted after the area-of-interest of original image, by area-of-interest and background image into
Row, which is pieced together, can be obtained stitching image.
By taking Fig. 3 and Fig. 4 as an example, region A is original image, and region B is area-of-interest, and region C is background image, from area
Area-of-interest B can be extracted in the A of domain, stitching image can be obtained by then piecing it with region C together.
Step 104：The color conversion of coloured image to stitching image is obtained into result images by color pass-algorithm.
It should be noted that color pass-algorithm can be by the color matching side of a secondary coloured picture (i.e. coloured image, also referred to as source images)
Case is automatically transferred to an other sub-picture (i.e. original image, also referred to as target image), and realization carries out color automatically to target image
Addition and change transmit result figure to obtain color.
Color transmits the various harmonious color allocation plans of source images, has opened up extensively and has matched color range, has kept color matching more flexible, and
This method is realized simply, easy to operate.
The main thought that color transmits is to utilize statistical nature, and by a series of transformation, color class ratio is transformed into
On target image, make two images that there is similar statistical information.
Color pass-algorithm be mainly according to the statistical information of overall importance of color catalog image to the color of target image into
Row migration, that is, utilize statistical information --- and mean value and standard deviation carry out color correction, are carried out to the respective channel value of target image
Offset and scaling, make the statistical value distribution having the same in each channel of two images, to reach the similar of visually color.
When operator is satisfied with the scheme of colour of a certain image, color can be passed through as selected coloured image
Color pass-algorithm is by its color conversion to stitching image, the result images after being matched colors again.
Such as the scheme of colour satisfaction of the image of the secondary setting sun of operator couple one, then it can be as selected cromogram
Its color conversion to stitching image is obtained result images by picture by color pass-algorithm so that result images and setting sun image
Each channel statistical value distribution having the same, it is similar to both make to reach whole visual color.
The Fast transforms that can be used to realize paintings color style by above-mentioned image processing step, to color on black-and-white photograph,
Older picture renovates, and the processing of coloured image color effect and correction etc. are pieced together in combination with region of interesting extraction and background, can be made
Color transmit result it is more personalized, above-mentioned image processing step also can be used as conventional images processing software colors countenance part
What's new and expanded function.
ROI extraction algorithms can be divided into according to the difference of extracting mode：ROI extraction algorithms based on degree of variation are based on inflection point
ROI extraction algorithms, the ROI extraction algorithms that pay attention to of the ROI extraction algorithms based on gray scale and view-based access control model.
In image processing process, can according to the concrete condition of original image select one of which ROI extraction algorithms into
It exercises and uses.
Image processing method in the present invention can be extracted by ROI extraction algorithms the area-of-interest of original image and with
Background image is pieced together, can replace background according to the hobby of user.
The concrete type of ROI extraction algorithms can be selected according to the actual conditions of original image.
And after replacing background, the color conversion of coloured image can be transferred to spliced map by color pass-algorithm
Picture.
Color Transfer Technology is in accordance with color pass-algorithm and has done whole color change, whole picture to original image at present
The scheme of colour of image is all changed, and effect is more inflexible, underaction, it cannot be guaranteed that color matching result meets everyone
Aesthetical standard.
Image processing method in the present embodiment is not influencing the expression of image body matter by extracting area-of-interest
In the case of, the background image that replacement meets user's hobby carries out color transmission again, improves the flexibility ratio of image color matching so that
More lively changeable, the more personalized of scheme of colour, adds the interest of image color matching.
In conclusion the image processing method of the present embodiment solves current image procossing scheme dullness, it is difficult to meet
People for image procossing multiple demand the technical issues of.
It is a kind of one embodiment of image processing method provided in an embodiment of the present invention above, implements below for the present invention
A kind of one embodiment for image processing apparatus that example provides.
Referring to Fig. 2, an embodiment of the present invention provides a kind of one embodiment of image processing apparatus, including：
Image extraction unit 201, for extracting the area-of-interest in original image by ROI extraction algorithms；
Background pieces unit 202 together, pieces together to obtain for the area-of-interest of original image to be carried out background with background image
Stitching image；
Color transfer unit 203, for being obtained the color conversion of coloured image to stitching image by color pass-algorithm
To result images.
Further, further include：Image acquisition unit 200；
Image acquisition unit 200 carries out the background image and the cromogram for carrying out color transmission that background is pieced together for obtaining
Picture.
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 device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (4)
1. a kind of image processing method, which is characterized in that including：
S1：The area-of-interest in original image is extracted by ROI extraction algorithms；
S2：The area-of-interest of original image and background image are carried out background to piece together to obtain stitching image；
S3：The color conversion of coloured image to stitching image is obtained into result images by color pass-algorithm.
2. a kind of image processing method according to claim 1, which is characterized in that further include before step S1：Step S0；
S0：Obtain the background image and the coloured image for carrying out color transmission for carrying out that background is pieced together.
3. a kind of image processing apparatus, which is characterized in that including：
Image extraction unit, for extracting the area-of-interest in original image by ROI extraction algorithms；
Background pieces unit together, pieces together to obtain spliced map for the area-of-interest of original image and background image to be carried out background
Picture；
Color transfer unit, for the color conversion of coloured image to stitching image to be obtained result figure by color pass-algorithm
Picture.
4. a kind of image processing apparatus according to claim 3, which is characterized in that further include：Image acquisition unit；
Image acquisition unit carries out the background image and the coloured image for carrying out color transmission that background is pieced together for obtaining.
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