CN104992402A - Facial beautification processing method and device - Google Patents
Facial beautification processing method and device Download PDFInfo
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- CN104992402A CN104992402A CN201510388235.7A CN201510388235A CN104992402A CN 104992402 A CN104992402 A CN 104992402A CN 201510388235 A CN201510388235 A CN 201510388235A CN 104992402 A CN104992402 A CN 104992402A
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- 230000001815 facial effect Effects 0.000 title abstract 11
- 238000003672 processing method Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 47
- 210000004709 eyebrow Anatomy 0.000 claims description 24
- 238000003708 edge detection Methods 0.000 claims description 21
- 210000000720 eyelash Anatomy 0.000 claims description 13
- 210000001061 forehead Anatomy 0.000 claims description 12
- 230000002087 whitening effect Effects 0.000 claims description 10
- 210000004209 hair Anatomy 0.000 claims description 9
- 210000001747 pupil Anatomy 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 210000000056 organ Anatomy 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- VYMDGNCVAMGZFE-UHFFFAOYSA-N phenylbutazonum Chemical compound O=C1C(CCCC)C(=O)N(C=2C=CC=CC=2)N1C1=CC=CC=C1 VYMDGNCVAMGZFE-UHFFFAOYSA-N 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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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
- G06T3/04—Context-preserving transformations, e.g. by using an importance map
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Abstract
The embodiment of the invention discloses a facial beautification processing method and device. The method includes the following steps that: face recognition is performed on pictures, and a face region can be determined, the face region is divided into a plurality of regions to be processed based on facial organ information; as for each region to be processed, facial beautification processing rules corresponding to the region to be processed are determined according to facial organs corresponding to the region to be processed; and the facial beautification processing rules are utilized to perform facial beautification processing on corresponding regions to be processed. According to the facial beautification processing method, different facial beautification processing rules are adopted to perform facial beautification processing on different regions, and therefore, the differences of the regions to be processed are fully considered, and facial beautification processing effects can be improved.
Description
Technical field
The embodiment of the present invention relates to picture Processing Technique, especially a kind of U.S. face disposal route and device.
Background technology
Along with the fast development of mobile communication technology, the intelligent terminal such as smart mobile phone, panel computer has been widely used in the every field of work, life.Shooting personage also carries out to taking the picture obtained the common function that U.S. face process is intelligent terminal.
Existing U.S. face disposal route is mainly through differentiating segmentation to face area work in picture etc., generally the picture average mark of W*H resolution is slit into M*N opens sub-pictures, the resolution of often opening sub-pictures is made to be (W/M) * (H/N), and do the identical U.S. face process such as mill skin, whitening to often opening sub-pictures, namely existing U.S. face disposal route is comparatively simple, and the effect of U.S. face process is more single cannot meet consumers' demand.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of U.S. face disposal route and device, to do differentiation process to face area, promotes the effect of U.S. face process.
First aspect, embodiments provides a kind of U.S. face disposal route, comprising:
Recognition of face is carried out to picture, determines face area and based on face information, described face area be divided into multiple pending region;
For each pending region, the face corresponding according to this pending region determine the U.S. face processing rule that this pending region is corresponding;
The pending region of U.S. face processing rule to correspondence determined is used to carry out U.S. face process.
Second aspect, embodiments provides a kind of U.S. face treating apparatus, comprising:
Face identification unit, for carrying out recognition of face to picture, determining face area and based on face information, described face area being divided into multiple pending region;
U.S. face rule determination unit, for for each pending region, the face corresponding according to this pending region determine the U.S. face processing rule that this pending region is corresponding;
U.S. face processing unit, carries out U.S. face process for using the pending region of U.S. face processing rule to correspondence determined.
The U.S. face disposal route that the embodiment of the present invention provides and device, the U.S. face processing rule that each pending region is corresponding is determined respectively by the face corresponding according to each pending region, and use each pending region of each U.S. face processing rule to correspondence determined to do the U.S. face process of differentiation, improve the effect of U.S. face process.
Accompanying drawing explanation
The schematic flow sheet of a kind of U.S. face disposal route that Fig. 1 a provides for the embodiment of the present invention one;
A kind of face area schematic diagram that Fig. 1 b provides for the embodiment of the present invention one;
A kind of face area schematic diagram that Fig. 1 c provides for the embodiment of the present invention one;
The schematic flow sheet of a kind of U.S. face disposal route that Fig. 2 provides for the embodiment of the present invention two;
The schematic flow sheet of a kind of U.S. face disposal route that Fig. 3 provides for the embodiment of the present invention three;
The structural representation of a kind of U.S. face treating apparatus that Fig. 4 provides for the embodiment of the present invention four.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
The schematic flow sheet of a kind of U.S. face disposal route that Fig. 1 a provides for the embodiment of the present invention one, the method can be performed by U.S. face treating apparatus, wherein this device can by software and/or hardware implementing, and the part that can be used as mobile terminal is built in mobile terminal inside.As shown in Figure 1a, this realization flow comprises:
Step 11, recognition of face is carried out to picture, determine face area and based on face information, described face area be divided into multiple pending region.
Wherein, picture is the personage's picture comprising face, and the region of degree of beautifying, for needing by adopting U.S. face processing rule to carry out U.S. face process, is improved in pending region.With reference to figure 1b and Fig. 1 c, adopt multistage edge detection algorithm to identify face area in picture, and based on face information, face area is divided into non-face region I1, eyebrow region I2, nasal area I3 and lip region I4.
Step 12, for each pending region, the face corresponding according to this pending region determine the U.S. face processing rule that this pending region is corresponding.
Exemplary, for each pending region, determine whether this pending region comprises face, if not, then this pending region is defined as non-face region, and the first U.S. face processing rule preset is defined as the U.S. face processing rule in this pending region; If, when face then in this pending region are eyes, the the second U.S. face processing rule preset is defined as the U.S. face processing rule in this pending region, when face in this pending region are nose, the 3rd U.S. face processing rule preset is defined as the U.S. face processing rule in this pending region, when face in this pending region are face, the U.S. face processing rule the 4th U.S. face processing rule preset being defined as this pending region is the U.S. face processing rule in this pending region.
U.S. face process is carried out in the pending region of U.S. face processing rule to correspondence that step 13, use are determined.
Optionally, when described pending region comprises nasal area, the 3rd U.S. face processing rule is adopted to carry out U.S. face process to nasal area and comprise: to adopt multistage edge detection algorithm to determine nasal bridge region in described nasal area and wing of nose region; Improve the brightness value of described nasal bridge region, and reduce the area in described wing of nose region, by improving the brightness of nasal bridge region and reducing the area in wing of nose region, the contrast between nasal bridge region and wing of nose region can be increased, reach the object of beautifying nasal area.
Optionally, when described pending region comprises lip region, adopt the 4th U.S. face processing rule to carry out U.S. face process to lip region to comprise: the pixel value of described lip region is treated to default lip pixel value, by changing lip pixel value, lip being processed into orange, dark brown or pink colour etc., being reached for the effect that lip region adds lip gloss.
The U.S. face disposal route that the embodiment of the present invention provides, adopts different U.S. face processing rules to carry out U.S. face process to each pending region, has taken into full account the otherness in each pending region, has improved the effect of U.S. face process.
Embodiment two
The present embodiment, on the basis of above-described embodiment, does concrete restriction to the U.S. face disposal route in face region non-in face area.As shown in Figure 2, this realization flow comprises:
Step 21, recognition of face is carried out to picture, determine face area and based on face information, described face area be divided into multiple pending region.
Step 22, for each pending region, the face corresponding according to this pending region determine the U.S. face processing rule that this pending region is corresponding.
Exemplary, to the pending region of face do not comprised as non-face region, and the first U.S. face processing rule preset is defined as U.S. face processing rule corresponding to non-face region, following steps 23-step 25 is use first U.S. face processing rule helps face process detailed processes to non-face region.
Step 23, be multiple subregion by described non-face Region dividing.
Optionally, be multiple subregion by described non-face Region dividing, comprise:
A, be forehead region, Zhongting region and chin area by described non-face Region dividing.
Exemplary, position-based information divides non-face region, such as using the non-face region of eyebrow overlying regions as forehead region, using the non-face region below lip region as chin area, using the non-face region except forehead region, chin area as Zhongting region.
B, adopt multistage edge detection algorithm to identify hair line, and be multiple subregion by the forehead Region dividing below hair line.
In order to accurately distinguish forehead region and hair, multistage edge detection algorithm is adopted to identify hair line.Further, employing waits resolution algorithm to be multiple subregion by the forehead Region dividing below hair line.Generally, waiting resolution algorithm to carry out Region dividing is the picture average mark of W*H resolution is slit into M*N open sub-pictures, makes the resolution of often opening sub-pictures be (W/M) * (H/N).
C, adopt multistage edge detection algorithm to identify the wing of nose and lower canthus, and be multiple subregion by the Zhongting Region dividing except the wing of nose and lower canthus.
In order to identify Zhongting region exactly further, multistage edge detection algorithm is adopted to identify the wing of nose and lower canthus.Further, employing waits resolution algorithm to be multiple subregion by the Zhongting Region dividing except the wing of nose and lower canthus.
D, adopt multistage edge detection algorithm to identify lip edge, and the chin area except the lip region that lip edge limits is divided into multiple subregion.
In order to identify chin area exactly further, multistage edge detection algorithm is adopted to identify lip edge.Further, employing waits resolution algorithm that the chin area except the lip region that lip edge limits is divided into multiple subregion.
Step 24, obtain the gray-scale value of described multiple subregion.
The gray-scale value that step 25, foundation obtain does whitening and/or the process of mill skin to described multiple subregion.
In the present embodiment, white or mill skin process can be helped to subregion, also can not only help white process to subregion but also the process of mill skin be done to subregion.Exemplary, the whitening weighted value of corresponding subregion is determined according to gray-scale value, and do whitening process according to the subregion of whitening weighted value to correspondence, determine the mill skin weighted value of corresponding subregion according to gray-scale value, and do whitening process according to the subregion of mill skin weighted value to correspondence.
The U.S. face disposal route that the embodiment of the present invention provides, by being forehead region, Zhongting region and chin area by non-face Region dividing, and forehead region, Zhongting region and chin area Further Division are become multiple subregion by the resolution partitioning algorithms such as use, subsequently mill skin, whitening process are done to all subregion, compared to existing U.S. face disposal route, improve U.S. face treatment effect.
Embodiment three
The present embodiment, on the basis of above-described embodiment, does concrete restriction to the U.S. face disposal route in eyebrow region in face area.As shown in Figure 3, this realization flow comprises:
Step 31, recognition of face is carried out to picture, determine face area and based on face information, described face area be divided into multiple pending region.
Step 32, for each pending region, the face corresponding according to this pending region determine the U.S. face processing rule that this pending region is corresponding.
Exemplary, to the pending region of eyes be comprised as eyebrow region, and the second U.S. face processing rule preset is defined as U.S. face processing rule corresponding to eyebrow region, following steps 33-step 35 is the U.S. face processing rule of use second helps face process detailed processes to eyebrow region.
Step 33, multistage edge detection algorithm is adopted to determine palpebral region in described eyebrow region, pupil region, eyelashes region and brow region.
Step 34, change the pixel value of described palpebral region, to add color shadow to described palpebral region.
Step 35, improve the brightness value of described pupil region, increase the eyelashes width value in described eyelashes region, and adjust the eyebrow shape in described brow region.
The U.S. face disposal route that the embodiment of the present invention provides, does different U.S. face process to palpebral region, pupil region, eyelashes region and brow region, has taken into full account the otherness of eyebrow intra-zone, improve the effect of U.S. face process.
4th embodiment
Fig. 4 is the structural representation of a kind of U.S. face treating apparatus provided in fourth embodiment of the invention, and this device can be built in mobile terminal inside.As shown in Figure 4, described U.S. face treating apparatus can comprise face identification unit 41, U.S. face rule determination unit 42 and U.S. face processing unit 43.
Wherein, face identification unit 41, for carrying out recognition of face to picture, is determined face area and based on face information, described face area is divided into multiple pending region;
U.S. face rule determination unit 42 is for for each pending region, and the face corresponding according to this pending region determine the U.S. face processing rule that this pending region is corresponding;
U.S. face processing unit 43 carries out U.S. face process for using the pending region of U.S. face processing rule to correspondence determined.
Optionally, when pending region comprises nasal area, described U.S. face processing unit 43 comprises:
Nasal area divides subelement, determines nasal bridge region in described nasal area and wing of nose region for adopting multistage edge detection algorithm;
The U.S. face subelement of nose, for improving the brightness value of described nasal bridge region, and reduces the area in described wing of nose region.
Optionally, when pending region comprises lip region, described U.S. face processing unit 43 specifically for: the pixel value of described lip region is treated to default lip pixel value.
Optionally, when described pending region comprises non-face region, described U.S. face processing unit 43 comprises:
Non-face divide subelement, for being multiple subregion by described non-face Region dividing;
Gray-scale value obtains subelement, for obtaining the gray-scale value of described multiple subregion;
The U.S. face subelement of non-face, for doing whitening and/or the process of mill skin according to the gray-scale value obtained to described multiple subregion.
Optionally, non-face divide subelement specifically for:
Be forehead region, Zhongting region and chin area by described non-face Region dividing;
Adopt multistage edge detection algorithm to identify hair line, and be multiple subregion by the forehead Region dividing below hair line;
Adopt multistage edge detection algorithm to identify the wing of nose and lower canthus, and be multiple subregion by the Zhongting Region dividing except the wing of nose and lower canthus;
Adopt multistage edge detection algorithm to identify lip edge, and the chin area except the lip region that lip edge limits is divided into multiple subregion.
Optionally, when described pending region comprises eyebrow region, described U.S. face processing unit 43 comprises:
Eyebrow divides subelement, determines palpebral region in described eyebrow region, pupil region, eyelashes region and brow region for adopting multistage edge detection algorithm;
The U.S. face subelement of first eyebrow, for changing the pixel value of described palpebral region, to add color shadow to described palpebral region;
The U.S. face subelement of second eyebrow, improves the brightness value of described pupil region, increases the eyelashes width value in described eyelashes region, and adjust the eyebrow shape in described brow region.
The U.S. face treating apparatus that the embodiment of the present invention provides, adopts different U.S. face processing rules to carry out U.S. face process to each pending region, has taken into full account the otherness in each pending region, has improved the effect of U.S. face process.
Be only the preferred embodiment of the embodiment of the present invention described in upper, be not limited to the embodiment of the present invention, to those skilled in the art, the embodiment of the present invention can have various change and change.Any amendment done within all spirit in the embodiment of the present invention and principle, equivalent replacement, improvement etc., within the protection domain that all should be included in the embodiment of the present invention.
Claims (11)
1. a U.S. face disposal route, is characterized in that, comprising:
Recognition of face is carried out to picture, determines face area and based on face information, described face area be divided into multiple pending region;
For each pending region, the face corresponding according to this pending region determine the U.S. face processing rule that this pending region is corresponding;
The pending region of U.S. face processing rule to correspondence determined is used to carry out U.S. face process.
2. method according to claim 1, is characterized in that, described pending region comprises nasal area,
U.S. face process is carried out in the pending region of U.S. face processing rule to correspondence that described use is determined, comprising:
Multistage edge detection algorithm is adopted to determine nasal bridge region in described nasal area and wing of nose region;
Improve the brightness value of described nasal bridge region, and reduce the area in described wing of nose region.
3. method according to claim 1, is characterized in that, described pending region comprises lip region,
U.S. face process is carried out in the pending region of U.S. face processing rule to correspondence that described use is determined, comprising:
The pixel value of described lip region is treated to default lip pixel value.
4. method according to claim 1, is characterized in that, described pending region comprises non-face region,
U.S. face process is carried out in the pending region of U.S. face processing rule to correspondence that described use is determined, comprising:
Be multiple subregion by described non-face Region dividing;
Obtain the gray-scale value of described multiple subregion;
According to the gray-scale value obtained, whitening and/or the process of mill skin are done to described multiple subregion.
5. method according to claim 4, is characterized in that, described is multiple subregion by described non-face Region dividing, comprising:
Be forehead region, Zhongting region and chin area by described non-face Region dividing;
Adopt multistage edge detection algorithm to identify hair line, and be multiple subregion by the forehead Region dividing below hair line;
Adopt multistage edge detection algorithm to identify the wing of nose and lower canthus, and be multiple subregion by the Zhongting Region dividing except the wing of nose and lower canthus;
Adopt multistage edge detection algorithm to identify lip edge, and the chin area except the lip region that lip edge limits is divided into multiple subregion.
6. method according to claim 1, is characterized in that, described pending region comprises eyebrow region,
U.S. face process is carried out in the pending region of U.S. face processing rule to correspondence that described use is determined, comprising:
Multistage edge detection algorithm is adopted to determine palpebral region in described eyebrow region, pupil region, eyelashes region and brow region;
Change the pixel value of described palpebral region, to add color shadow to described palpebral region;
Improve the brightness value of described pupil region, increase the eyelashes width value in described eyelashes region, and adjust the eyebrow shape in described brow region.
7. a U.S. face treating apparatus, is characterized in that, comprising:
Face identification unit, for carrying out recognition of face to picture, determining face area and based on face information, described face area being divided into multiple pending region;
U.S. face rule determination unit, for for each pending region, the face corresponding according to this pending region determine the U.S. face processing rule that this pending region is corresponding;
U.S. face processing unit, carries out U.S. face process for using the pending region of U.S. face processing rule to correspondence determined.
8. device according to claim 7, is characterized in that, described pending region comprises nasal area,
Described U.S. face processing unit comprises:
Nasal area divides subelement, determines nasal bridge region in described nasal area and wing of nose region for adopting multistage edge detection algorithm;
The U.S. face subelement of nose, for improving the brightness value of described nasal bridge region, and reduces the area in described wing of nose region.
9. device according to claim 7, is characterized in that, described pending region comprises lip region,
Described U.S. face processing unit specifically for:
The pixel value of described lip region is treated to default lip pixel value.
10. device according to claim 7, is characterized in that, described pending region comprises non-face region,
Described U.S. face processing unit comprises:
Non-face divide subelement, for being multiple subregion by described non-face Region dividing;
Gray-scale value obtains subelement, for obtaining the gray-scale value of described multiple subregion;
The U.S. face subelement of non-face, for doing whitening and/or the process of mill skin according to the gray-scale value obtained to described multiple subregion.
11. devices according to claim 7, is characterized in that, described pending region comprises eyebrow region,
Described U.S. face processing unit comprises:
Eyebrow divides subelement, determines palpebral region in described eyebrow region, pupil region, eyelashes region and brow region for adopting multistage edge detection algorithm;
The U.S. face subelement of first eyebrow, for changing the pixel value of described palpebral region, to add color shadow to described palpebral region;
The U.S. face subelement of second eyebrow, improves the brightness value of described pupil region, increases the eyelashes width value in described eyelashes region, and adjust the eyebrow shape in described brow region.
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| CN201510388235.7A CN104992402B (en) | 2015-07-02 | 2015-07-02 | A kind of U.S. face processing method and processing device |
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| CN105825486A (en) * | 2016-04-05 | 2016-08-03 | 北京小米移动软件有限公司 | Beautifying processing method and apparatus |
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