CN107682644A - A kind of personalized image synthetic method, system and device - Google Patents
A kind of personalized image synthetic method, system and device Download PDFInfo
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- CN107682644A CN107682644A CN201710785940.XA CN201710785940A CN107682644A CN 107682644 A CN107682644 A CN 107682644A CN 201710785940 A CN201710785940 A CN 201710785940A CN 107682644 A CN107682644 A CN 107682644A
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- translucent image
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
Abstract
The invention discloses a kind of personalized image synthetic method, system and device, method includes：Obtain the first original input picture and the second original input picture；Translucentization processing is carried out to the first original input picture and the second original input picture respectively, obtains the first translucent image and the second translucent image；Each respective pixel value of RGB channel in the first translucent image and the second translucent image carries out composite calulation, obtains composograph.The present invention by carrying out synthesis processing again after translucentization, it is possible to achieve the flexible setting of personalized image synthesis, and also computation complexity of the present invention is relatively low, and it is not high to equipment requirement, it is easy to the realization of equipment.It the composite can be widely applied in image composing technique.
Description
Technical field
The present invention relates to technical field of image processing, more particularly to a kind of personalized image synthetic method, system and device.
Background technology
In order to obtain the image of synthesis, current way is to need to download to these background images in electronic equipment, so
The image of figure acquisition destination object will be scratched in the image of shooting afterwards, the destination object plucked out is finally edited into these background images
In, the image finally synthesized is obtained, this mode is comparatively laborious.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to provide one kind to realize simple personalized image synthesis side
Method, system and device.
The technical solution used in the present invention is：
A kind of personalized image synthetic method, comprises the following steps：
Obtain the first original input picture and the second original input picture；
Translucentization processing is carried out to the first original input picture and the second original input picture respectively, it is semi-transparent to obtain first
Bright image and the second translucent image；
Each respective pixel value of RGB channel in the first translucent image and the second translucent image is synthesized
Calculate, obtain composograph.
As a kind of further improvement of described personalized image synthetic method, described translucentization is handled, this
Step is specially：
By setting the alpha channel values of image translucent image is obtained and then processing.
As a kind of further improvement of described personalized image synthetic method, the specific formula of described composite calulation
For：
As the alpha channel values AlphaB≤0.5 of the second translucent image, C=2*A*B；
As the alpha channel value AlphaB ＞ 0.5 of the second translucent image, C=1-2* (1-A) * (1-B)；
Wherein, C represents the corresponding a certain pixel of the RGB channel of composograph, and A represents the first translucent image
The corresponding a certain pixel of RGB channel, B represent the corresponding a certain pixel of the RGB channel of the second translucent image.
Another technical scheme of the present invention is：
A kind of personalized image synthesis system, including：
Original image acquiring unit, for obtaining the first original input picture and the second original input picture；
Translucentization processing unit, the first original input picture and the second original input picture are carried out for respectively semi-transparent
Brightization processing, obtains the first translucent image and the second translucent image；
Synthesis unit, each correspondence for the RGB channel in the first translucent image and the second translucent image
Pixel value carries out composite calulation, obtains composograph.
As a kind of further improvement of described personalized image synthesis system, in described translucentization processing unit
Translucentization processing, the step for be specially：
By setting the alpha channel values of image translucent image is obtained and then processing.
As a kind of further improvement of described personalized image synthesis system, the specific formula of described composite calulation
For：
As the alpha channel values AlphaB≤0.5 of the second translucent image, C=2*A*B；
As the alpha channel value AlphaB ＞ 0.5 of the second translucent image, C=1-2* (1-A) * (1-B)；
Wherein, C represents the corresponding a certain pixel of the RGB channel of composograph, and A represents the first translucent image
The corresponding a certain pixel of RGB channel, B represent the corresponding a certain pixel of the RGB channel of the second translucent image.
Another technical scheme of the present invention is：
A kind of personalized image synthesizer, including：
Memory, for depositing program；
Processor, for perform described program for：
Obtain the first original input picture and the second original input picture；
Translucentization processing is carried out to the first original input picture and the second original input picture respectively, it is semi-transparent to obtain first
Bright image and the second translucent image；
Each respective pixel value of RGB channel in the first translucent image and the second translucent image is synthesized
Calculate, obtain composograph.
As a kind of further improvement of described personalized image synthesizer, described translucentization is handled, this
Step is specially：
By setting the alpha channel values of image translucent image is obtained and then processing.
As a kind of further improvement of described personalized image synthesizer, the specific formula of described composite calulation
For：
As the alpha channel values AlphaB≤0.5 of the second translucent image, C=2*A*B；
As the alpha channel value AlphaB ＞ 0.5 of the second translucent image, C=1-2* (1-A) * (1-B)；
Wherein, C represents the corresponding a certain pixel of the RGB channel of composograph, and A represents the first translucent image
The corresponding a certain pixel of RGB channel, B represent the corresponding a certain pixel of the RGB channel of the second translucent image.
The beneficial effects of the invention are as follows：
The present invention a kind of personalized image synthetic method, system and device by the way that synthesis processing is carried out after translucentization again,
The flexible setting of personalized image synthesis can be realized, and computation complexity of the present invention is relatively low, it is not high to equipment requirement, it is easy to
The realization of equipment.
Brief description of the drawings
Fig. 1 is a kind of step flow chart of personalized image synthetic method of the present invention；
Fig. 2 is a kind of block diagram of personalized image synthesis system of the present invention.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
With reference to figure 1, a kind of personalized image synthetic method of the present invention, comprise the following steps：
Obtain the first original input picture and the second original input picture；
Translucentization processing is carried out to the first original input picture and the second original input picture respectively, it is semi-transparent to obtain first
Bright image and the second translucent image；
Each respective pixel value of RGB channel in the first translucent image and the second translucent image is synthesized
Calculate, obtain composograph.
Be further used as preferred embodiment, the processing of described translucentization, the step for be specially：
By setting the alpha channel values of image translucent image is obtained and then processing.
Wherein, the alpha channel values can need voluntarily to set adjustment according to user.
Preferred embodiment is further used as, the specific formula of described composite calulation is：
As the alpha channel values AlphaB≤0.5 of the second translucent image, C=2*A*B；
As the alpha channel value AlphaB ＞ 0.5 of the second translucent image, C=1-2* (1-A) * (1-B)；
Wherein, C represents the corresponding a certain pixel of the RGB channel of composograph, and A represents the first translucent image
The corresponding a certain pixel of RGB channel, B represent the corresponding a certain pixel of the RGB channel of the second translucent image.
With reference to figure 2, a kind of personalized image synthesis system of the invention, including：
Original image acquiring unit, for obtaining the first original input picture and the second original input picture；
Translucentization processing unit, the first original input picture and the second original input picture are carried out for respectively semi-transparent
Brightization processing, obtains the first translucent image and the second translucent image；
Synthesis unit, each correspondence for the RGB channel in the first translucent image and the second translucent image
Pixel value carries out composite calulation, obtains composograph.
It is further used as preferred embodiment, the translucentization processing in described translucentization processing unit, this
Step is specially：
By setting the alpha channel values of image translucent image is obtained and then processing.
Preferred embodiment is further used as, the specific formula of described composite calulation is：
As the alpha channel values AlphaB≤0.5 of the second translucent image, C=2*A*B；
As the alpha channel value AlphaB ＞ 0.5 of the second translucent image, C=1-2* (1-A) * (1-B)；
Wherein, C represents the corresponding a certain pixel of the RGB channel of composograph, and A represents the first translucent image
The corresponding a certain pixel of RGB channel, B represent the corresponding a certain pixel of the RGB channel of the second translucent image.
A kind of personalized image synthesizer of the present invention, including：
Memory, for depositing program；
Processor, for perform described program for：
Obtain the first original input picture and the second original input picture；
Translucentization processing is carried out to the first original input picture and the second original input picture respectively, it is semi-transparent to obtain first
Bright image and the second translucent image；
Each respective pixel value of RGB channel in the first translucent image and the second translucent image is synthesized
Calculate, obtain composograph.
Be further used as preferred embodiment, the processing of described translucentization, the step for be specially：
By setting the alpha channel values of image translucent image is obtained and then processing.
Preferred embodiment is further used as, the specific formula of described composite calulation is：
As the alpha channel values AlphaB≤0.5 of the second translucent image, C=2*A*B；
As the alpha channel value AlphaB ＞ 0.5 of the second translucent image, C=1-2* (1-A) * (1-B)；
Wherein, C represents the corresponding a certain pixel of the RGB channel of composograph, and A represents the first translucent image
The corresponding a certain pixel of RGB channel, B represent the corresponding a certain pixel of the RGB channel of the second translucent image.
From the foregoing it can be that after the present invention a kind of personalized image synthetic method, system and device are by translucentization
Synthesis processing is carried out again, it is possible to achieve the flexible setting of personalized image synthesis so that the picture existing first being finally synthesizing is former
The content of beginning input picture also has the content of the second original input picture, this content that may apply to two images compare and
The synthesis of personalized intention picture, and computation complexity of the present invention is relatively low, it is not high to equipment configratioin requirement, it is easy to the reality of equipment
It is existing.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (9)
1. a kind of personalized image synthetic method, it is characterised in that comprise the following steps：
Obtain the first original input picture and the second original input picture；
Translucentization processing is carried out to the first original input picture and the second original input picture respectively, obtains the first translucent figure
Picture and the second translucent image；
Each respective pixel value of RGB channel in the first translucent image and the second translucent image carries out synthesis meter
Calculate, obtain composograph.
A kind of 2. personalized image synthetic method according to claim 1, it is characterised in that：At described translucentization
Reason, the step for be specially：
By setting the alpha channel values of image translucent image is obtained and then processing.
A kind of 3. personalized image synthetic method according to claim 1, it is characterised in that：The tool of described composite calulation
Body formula is：
As the alpha channel values AlphaB≤0.5 of the second translucent image, C=2*A*B；
As the alpha channel value AlphaB ＞ 0.5 of the second translucent image, C=1-2* (1-A) * (1-B)；
Wherein, C represents the corresponding a certain pixel of the RGB channel of composograph, and A represents that the RGB of the first translucent image leads to
The corresponding a certain pixel in road, B represent the corresponding a certain pixel of the RGB channel of the second translucent image.
A kind of 4. personalized image synthesis system, it is characterised in that including：
Original image acquiring unit, for obtaining the first original input picture and the second original input picture；
Translucentization processing unit, for carrying out translucentization to the first original input picture and the second original input picture respectively
Processing, obtains the first translucent image and the second translucent image；
Synthesis unit, each respective pixel for the RGB channel in the first translucent image and the second translucent image
Value carries out composite calulation, obtains composograph.
A kind of 5. personalized image synthesis system according to claim 4, it is characterised in that：Described translucentization processing
In unit translucentization processing, the step for be specially：
By setting the alpha channel values of image translucent image is obtained and then processing.
A kind of 6. personalized image synthesis system according to claim 4, it is characterised in that：The tool of described composite calulation
Body formula is：
As the alpha channel values AlphaB≤0.5 of the second translucent image, C=2*A*B；
As the alpha channel value AlphaB ＞ 0.5 of the second translucent image, C=1-2* (1-A) * (1-B)；
Wherein, C represents the corresponding a certain pixel of the RGB channel of composograph, and A represents that the RGB of the first translucent image leads to
The corresponding a certain pixel in road, B represent the corresponding a certain pixel of the RGB channel of the second translucent image.
A kind of 7. personalized image synthesizer, it is characterised in that including：
Memory, for depositing program；
Processor, for perform described program for：
Obtain the first original input picture and the second original input picture；
Translucentization processing is carried out to the first original input picture and the second original input picture respectively, obtains the first translucent figure
Picture and the second translucent image；
Each respective pixel value of RGB channel in the first translucent image and the second translucent image carries out synthesis meter
Calculate, obtain composograph.
A kind of 8. personalized image synthesizer according to claim 7, it is characterised in that：At described translucentization
Reason, the step for be specially：
By setting the alpha channel values of image translucent image is obtained and then processing.
A kind of 9. personalized image synthesizer according to claim 7, it is characterised in that：The tool of described composite calulation
Body formula is：
As the alpha channel values AlphaB≤0.5 of the second translucent image, C=2*A*B；
As the alpha channel value AlphaB ＞ 0.5 of the second translucent image, C=1-2* (1-A) * (1-B)；
Wherein, C represents the corresponding a certain pixel of the RGB channel of composograph, and A represents that the RGB of the first translucent image leads to
The corresponding a certain pixel in road, B represent the corresponding a certain pixel of the RGB channel of the second translucent image.
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| CN1791199A (en) * | 2004-11-26 | 2006-06-21 | Lg电子株式会社 | Apparatus and method for combining images in a terminal device |
| CN1878247A (en) * | 2006-07-06 | 2006-12-13 | 北京中星微电子有限公司 | Image frame handling method for digital pick-up device and its system |
| JP2011044061A (en) * | 2009-08-24 | 2011-03-03 | Tokyo Univ Of Agriculture & Technology | Image display device, input device and image display method |
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