CN102819857A - Method for creating cartoon character face in mobile phone based on whitening and skin tendering - Google Patents
Method for creating cartoon character face in mobile phone based on whitening and skin tendering Download PDFInfo
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- CN102819857A CN102819857A CN2012102613275A CN201210261327A CN102819857A CN 102819857 A CN102819857 A CN 102819857A CN 2012102613275 A CN2012102613275 A CN 2012102613275A CN 201210261327 A CN201210261327 A CN 201210261327A CN 102819857 A CN102819857 A CN 102819857A
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Abstract
The invention discloses a method for creating a cartoon character face in a mobile phone based on whitening and skin tendering. The method comprises the steps of extracting sample points and carrying out whitening processing or charcoal simulation processing on an original drawing. According to the method disclosed by the invention, a simple and practical digital image processing algorithm is used and more attention is paid to reducing the data volume and increasing the operation efficiency of a CPU (Central Processing Unit); the DIY (Do It Yourself) operation is carried out on a personal mobile phone of a mobile phone subscriber to create a mobile phone cartoon works with a unique artistic style; and in addition, the method is low in creation cost and quick in operation effect.
Description
Technical field
The present invention relates to a kind of based on the cartoon character on mobile phone types of facial makeup in Beijing operas creative method that brightens tender skin.
Background technology
For the yellow, often delicate with skin is U.S.A, does not find as yet based on the handset processes platform, to transform traditional digital photograph as report that this type of has the animation works that brighten tender skin effect through image processing techniques.
Summary of the invention
Technical matters to be solved by this invention provides a kind of based on the cartoon character on mobile phone types of facial makeup in Beijing operas creative method that brightens tender skin, should be fast, easy to implement based on the cartoon character on mobile phone types of facial makeup in Beijing operas creative method data processing that brightens tender skin.
The technical solution of invention is following:
A kind of based on the cartoon character on mobile phone types of facial makeup in Beijing operas creative method that brightens tender skin, adopt one of following two kinds of methods that original image is operated:
Method 1:
Step 1: the user selects a typical application A, and the brightness value Y corresponding according to computes typical application A
1
Y
1=0.257*r
1+ 0.504*g
1+ 0.98*b
1, r wherein
In, g
In, b
InBe respectively the RGB color component of typical application A;
Step 2: find the solution the output of each pixel through accomplish following step 3 ~ step 9 traversal line by line by row;
Step 3: according to current pixel color value r
In, g
In, b
InCalculate the brightness value Y of current pixel
In
Computing formula is Y=0.257*r
In+ 0.504*g
In+ 0.98*b
In, r wherein
In, g
In, b
InBe the original RGB value of current pixel point;
Step 4: according to Y
InThe interval M coefficient sets of calculating of the brightness step at place, the M coefficient sets comprises three part M
1, M
2, M
3: computing method are:
Y
in<100,M
1=0.4,M
2=0.2,M
3=0.1；
100≤Y
in≤200,M
1=0.2,M
2=0.1,M
3=0.05；
Y
in<200,M
1=0.1,M
2=0.05,M
3=0.025；
Step 5: according to Y
InAnd Y
1Difference calculate brightness decay coefficient L
D1
L
d1=(Y
in-Y
1)/Y
in;
Step 6: according to brightness decay coefficient L
D1Adjustment M coefficient sets:
M
1=M
1(1-L
d1)；
M
2=M
2(1-L
d1)；
M
3=M
3(1-L
d1)；
Step 7: during less than variation width variationWidth, change step (8), otherwise change step 9 like the aberration of this pixel and selected sample point;
Step 8:, start paleization and move the look process according to calculating the M coefficient sets that obtains:
The look that moves of current pixel point is operated back output component r
Out, g
Out, b
OutProvide by following formula;
r
out=abs(r
in+(M
1*r
in))；
g
out=abs(g
in+(M
2*g
in))；
b
out=abs(b
in+(M
3*b
in))；
The abs function is the operation that takes absolute value in the formula;
Step 9: do not have operation;
Method 2:
Step a:, obtain the I of each pixel to the operation of full figure gray processing
In
Step b: the data space zero clearing of reservation being deposited output image is white;
Step c: the color that calculates user's selection merges the gray-scale value I of typical application
S1
Steps d: accomplish the output that following step e ~ step g is found the solution each pixel through traveling through each pixel line by line by row;
Step e: if, the gray-scale value I of current pixel
InWith model color shade value I
S1Difference during less than variation width variationWidth, need not any operation and since this pixel of step b take off automatically and turn to white; Otherwise, change step f;
Step f: calculate Y according to current pixel color value
InAnd and then according to Y
InThe interval M that calculates in the M coefficient sets of the brightness step at place
1, computing method are following:
Y
in<100,M
1=0.4；
100≤Y
in≤200,M
1=0.2；
Y
in<200,M
1=0.1；
Step 7: the output I that obtains current pixel point
Out=abs (I
In-(M
1* I
In)).
Variation width variationWidth span is 1～100.
Beneficial effect:
Of the present invention based on the cartoon character on mobile phone types of facial makeup in Beijing operas creative method that brightens tender skin; With the digital photograph is material; Based on the handset processes platform; With former photo be transformed into different styles, have an image that brightens tender skin effect, on animation server or cellphone subscriber individual's mobile phone, carry out the DIY operation, create the cartoon character that effect is peculiar, be different from traditional digital photograph.
The present invention uses simple and practical Digital Image Processing algorithm; Note reducing data volume and improve the CPU operational efficiency; On cellphone subscriber individual's mobile phone, carry out the DIY operation; Create mobile phone cartoon works, make that be limited by can be with creation cost and operational effect fast on the mobile phone cartoon works of mobile phone screen size and mobile phone computing power with unique artistic style.
Description of drawings:
Fig. 1 is black race, the former figure of the Miss of the yellow race and (figure a, d and f are former figure to the look whitening effect comparison diagram that moves that is formed by this patent, and figure b and c are respectively and once move look and brighten and move the design sketch that look brightens twice scheming a; Figure e is respectively with figure g figure d and figure f is carried out moving for twice the design sketch that look brightens);
Fig. 2 for the former figure of the Miss of black race and with the high light whitening effect comparison diagram that forms by this patent (figure a is former figure, and figure b and c are respectively and once move look and brighten and move the design sketch that look brightens twice scheming a);
Fig. 3 draws simulate effect figure for carbon; (wherein scheme a and be the design sketch after Fig. 1 f is operated, scheming b is the design sketch to Fig. 1 d operation, and figure c is former figure, and figure d is to scheming the design sketch after c operates.）
Fig. 4 is the influence synoptic diagram of variation width to whitening effect.Wherein, (a) for the variation width is 10 o'clock design sketchs, be 90 o'clock design sketchs (b) for the variation width.
Embodiment
Below will combine specific embodiment that the present invention is explained further details:
Embodiment 1:
A kind ofly it is characterized in that, adopt one of following two kinds of methods that original image is operated based on the cartoon character on mobile phone types of facial makeup in Beijing operas creative method that brightens tender skin:
Method 1: realize brightening tender skin by Metzler matrix figure image drift look
Step 1: the user selects a typical application A, and the brightness value Y corresponding according to computes typical application A
1
Y
1=0.257*r
1+ 0.504*g
1+ 0.98*b
1, r wherein
In, g
In, b
InBe respectively the RGB color component of typical application A;
Step 2: find the solution the output of each pixel through accomplish following step 3 ~ step 9 traversal line by line by row;
Step 3: according to current pixel color value r
In, g
In, b
InCalculate the brightness value Y of current pixel
In
Computing formula is Y=0.257*r
In+ 0.504*g
In+ 0.98*b
In, r wherein
In, g
In, b
InBe the original RGB value of current pixel point;
Step 4: according to Y
InThe interval M coefficient sets of calculating of the brightness step at place, the M coefficient value comprises three component M
1, M
2, M
3: computing method are:
Y
in<100,M
1=0.4,M
2=0.2,M
3=0.1；
100≤Y
in≤200,M
1=0.2,M
2=0.1,M
3=0.05；
Y
in<200,M
1=0.1,M
2=0.05,M
3=0.025；
Step 5: according to Y
InAnd Y
1Difference calculate brightness decay coefficient L
D1
L
d1=(Y
in-Y
1)/Y
in;
Step 6: according to brightness decay coefficient L
D1Adjustment M coefficient sets:
M
1=M
1(1-L
d1)；
M
2=M
2(1-L
d1)；
M
3=M
3(1-L
d1)；
Step 7: less than variation width variationWidth, change step (8), otherwise change step 9 like the aberration of this pixel and selected sample point;
Step 8:, start paleization and move the look process according to calculating the M coefficient sets that obtains:
The look that moves of current pixel point is operated back output component r
Out, g
Out, b
OutProvide by following formula;
r
out=abs(r
in+(M
1*r
in))；
g
out=abs(g
in+(M
2*g
in))；
b
out=abs(b
in+(M
3*b
in))；
The abs function is the operation that takes absolute value in the formula;
Step 9: do not have operation;
Method 2:
Realize the simulation of carbon picture.It is a kind of very personnalit picture kind that carbon (powder) is drawn, and it can be combined in thick lines gimmick and fine and smooth gimmick in the same picture.Concrete steps are following:
Step 1:, obtain the I of each pixel to the operation of full figure gray processing
In
Step 2: the data space zero clearing of reservation being deposited output image is white;
Step 3: the color that calculates user's selection merges the gray-scale value I of typical application
S1
Step 4: accomplish the output that following step e ~ step g is found the solution each pixel through traveling through each pixel line by line by row;
Step 5: if, the gray-scale value I of current pixel
InWith model color shade value I
S1Difference during less than variation width variationWidth, need not any operation and since this pixel of step b take off automatically and turn to white; Otherwise, change step 6;
Step 6: calculate Y according to current pixel color value
InAnd and then according to Y
InThe interval M that calculates in the M coefficient of the brightness step at place
1, computing method are following:
Y
in<100,M
1=0.4；
100≤Y
in≤200,M
1=0.2；
Y
in<200,M
1=0.1；
Step 7: the output I that obtains current pixel point
Out=abs (I
In-(M
1* I
In)).
The practical implementation design sketch is with reference to Fig. 1-3; The variation width can be selected according to whitening effect by the user with souning out, and span is 1～100, and value is big more, and the zone that is influenced is big more, referring to Fig. 4.
Claims (2)
1. one kind based on the cartoon character on mobile phone types of facial makeup in Beijing operas creative method that brightens tender skin, it is characterized in that, adopts one of following two kinds of methods that original image is operated:
Method 1:
Step 1: the user selects a typical application A, and the brightness value Y corresponding according to computes typical application A
1
Y
1=0.257*r
1+ 0.504*g
1+ 0.98*b
1, r wherein
In, g
In, b
InBe respectively the RGB color component of typical application A;
Step 2: find the solution the output of each pixel through accomplish following step 3 ~ step 9 traversal line by line by row;
Step 3: according to current pixel color value r
In, g
In, b
InCalculate the brightness value Y of current pixel
In
Computing formula is Y=0.257*r
In+ 0.504*g
In+ 0.98*b
In, r wherein
In, g
In, b
InBe the original RGB value of current pixel point;
Step 4: according to Y
InThe interval M coefficient sets of calculating of the brightness step at place, the M coefficient sets comprises three part M
1, M
2, M
3: computing method are:
Y
in<100,M
1=0.4,M
2=0.2,M
3=0.1；
100≤Y
in≤200,M
1=0.2,M
2=0.1,M
3=0.05；
Y
in<200,M
1=0.1,M
2=0.05,M
3=0.025；
Step 5: according to Y
InAnd Y
1Difference calculate brightness decay coefficient L
D1
L
d1=(Y
in-Y
1)/Y
in;
Step 6: according to brightness decay coefficient L
D1Adjustment M coefficient sets:
M
1=M
1(1-L
d1)；
M
2=M
2(1-L
d1)；
M
3=M
3(1-L
d1)；
Step 7: during less than variation width variationWidth, change step (8), otherwise change step 9 like the aberration of this pixel and selected sample point;
Step 8:, start paleization and move the look process according to calculating the M coefficient sets that obtains:
The look that moves of current pixel point is operated back output component r
Out, g
Out, b
OutProvide by following formula;
r
out=abs(r
in+(M
1*r
in))；
g
out=abs(g
in+(M
2*g
in))；
b
out=abs(b
in+(M
3*b
in))；
The abs function is the operation that takes absolute value in the formula;
Step 9: do not have operation;
Method 2:
Step a:, obtain the I of each pixel to the operation of full figure gray processing
In
Step b: the data space zero clearing of reservation being deposited output image is white;
Step c: the color that calculates user's selection merges the gray-scale value I of typical application
S1
Steps d: accomplish the output that following step e ~ step g is found the solution each pixel through traveling through each pixel line by line by row;
Step e: if, the gray-scale value I of current pixel
InWith model color shade value I
S1Difference during less than variation width variationWidth, need not any operation and since this pixel of step b take off automatically and turn to white; Otherwise, change step f;
Step f: calculate Y according to current pixel color value
InAnd and then according to Y
InThe interval M that calculates in the M coefficient sets of the brightness step at place
1, computing method are following:
Y
in<100,M
1=0.4；
100≤Y
in≤200,M
1=0.2；
Y
in<200,M
1=0.1；
Step 7: the output I that obtains current pixel point
Out=abs (I
In-(M
1* I
In)).
2. according to claim 1ly it is characterized in that variation width variationWidth span is 1～100 based on the cartoon character on mobile phone types of facial makeup in Beijing operas creative method that brightens tender skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210261327.5A CN102819857B (en) | 2012-07-26 | 2012-07-26 | Method for creating cartoon character face in mobile phone based on whitening and skin tendering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210261327.5A CN102819857B (en) | 2012-07-26 | 2012-07-26 | Method for creating cartoon character face in mobile phone based on whitening and skin tendering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102819857A true CN102819857A (en) | 2012-12-12 |
| CN102819857B CN102819857B (en) | 2014-09-24 |
Family
ID=47303960
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210261327.5A Active CN102819857B (en) | 2012-07-26 | 2012-07-26 | Method for creating cartoon character face in mobile phone based on whitening and skin tendering |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004147288A (en) * | 2002-10-25 | 2004-05-20 | Reallusion Inc | Facial image correction method |
| CN1777913A (en) * | 2003-03-20 | 2006-05-24 | 欧姆龙株式会社 | Image processing device |
| CN102027505A (en) * | 2008-07-30 | 2011-04-20 | 泰塞拉技术爱尔兰公司 | Automatic face and skin beautification using face detection |
| WO2011105391A1 (en) * | 2010-02-26 | 2011-09-01 | 日本電気株式会社 | Image processing method, image processing device and program |
| CN102521867A (en) * | 2011-12-16 | 2012-06-27 | 拓维信息系统股份有限公司 | Mobile phone anime character and background creation method |
-
2012
- 2012-07-26 CN CN201210261327.5A patent/CN102819857B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004147288A (en) * | 2002-10-25 | 2004-05-20 | Reallusion Inc | Facial image correction method |
| CN1777913A (en) * | 2003-03-20 | 2006-05-24 | 欧姆龙株式会社 | Image processing device |
| CN102027505A (en) * | 2008-07-30 | 2011-04-20 | 泰塞拉技术爱尔兰公司 | Automatic face and skin beautification using face detection |
| WO2011105391A1 (en) * | 2010-02-26 | 2011-09-01 | 日本電気株式会社 | Image processing method, image processing device and program |
| CN102521867A (en) * | 2011-12-16 | 2012-06-27 | 拓维信息系统股份有限公司 | Mobile phone anime character and background creation method |
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| Publication number | Publication date |
|---|---|
| CN102819857B (en) | 2014-09-24 |
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