CN105913389A - Image processing method and device for skin abnormity - Google Patents
Image processing method and device for skin abnormity Download PDFInfo
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- CN105913389A CN105913389A CN201610213335.0A CN201610213335A CN105913389A CN 105913389 A CN105913389 A CN 105913389A CN 201610213335 A CN201610213335 A CN 201610213335A CN 105913389 A CN105913389 A CN 105913389A
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- 238000003672 processing method Methods 0.000 title claims abstract description 44
- 230000002159 abnormal effect Effects 0.000 claims abstract description 106
- 208000003351 Melanosis Diseases 0.000 claims description 29
- 206010015150 Erythema Diseases 0.000 claims description 26
- 231100000321 erythema Toxicity 0.000 claims description 25
- 208000006981 Skin Abnormalities Diseases 0.000 claims description 23
- 210000001508 eye Anatomy 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 8
- 208000024891 symptom Diseases 0.000 abstract description 8
- 230000003796 beauty Effects 0.000 abstract 1
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 210000001061 forehead Anatomy 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 210000000216 zygoma Anatomy 0.000 description 5
- 230000001815 facial effect Effects 0.000 description 4
- 230000037311 normal skin Effects 0.000 description 4
- 235000015123 black coffee Nutrition 0.000 description 3
- 235000013353 coffee beverage Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 241000287127 Passeridae Species 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
Classifications
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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
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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
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Image Analysis (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention relates to an image processing method and device for skin abnormity. The image processing method comprises steps of performing human figure identification on an image to obtain a human figure area, partitioning the human figure area into a plurality of areas to be processed according to sub-areas of a preset feature database, wherein the preset feature database stores abnormal skin feature information contained by all the sub-areas and processing methods corresponding to the various abnormal skin features, performing comparison on the skin feature information in each the area to be processed with abnormal skin feature information contained by the corresponding sub-area to obtain the abnormal skin feature contained by each area to be processed, and performing corresponding processing on the abnormal skin feature contained by each area to be processed. The image processing method and device can perform beautification on various skin symptoms and enable the skin to be close to the nature beauty.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to picture processing side during a kind of skin abnormality
Picture processing device when method, skin abnormality.
Background technology
Along with the development of science and technology, U.S. face instrument is the most prevailing, and increasing people, when taking pictures, especially uses
When the skin at family has abnormal conditions, there are whelk or freckle etc. the most on the face, use U.S. face instrument to picture
Beautify, thus obtain the picture that the colour of skin is fine and smooth.But when skin has abnormal, existing U.S. face method
Being that whole facial zone is carried out Gaussian Blur process, the picture after process is more false, less natural.It addition,
If the redness that user occurs on the face is the ruddy colour of skin or " plateau is red ", to whole facial zone
Carry out comprehending at Gaussian Blur and cannot retain the Skin Color Information that user itself is healthy, make the picture after process the trueest
Real.
Summary of the invention
Based on this, it is necessary to for the problems referred to above, it is provided that image processing method during a kind of skin abnormality and dress
Put, it is possible to subregion carries out landscaping treatment for different skin symptoms, so that skin U.S. face is more natural
Truly.
In order to achieve the above object, the technical scheme that the present invention takes is as follows:
A kind of image processing method during skin abnormality, including step:
Picture is carried out Identification of Images, obtains portrait area；
According to each sub regions of default feature database, described portrait area is divided into each pending region,
Wherein preset the information of each abnormal skin characteristic that feature database storage has each sub regions to comprise, and with different
The processing method that often skin characteristic is corresponding；
The each abnormal skin that skin characteristic information in each pending region is comprised with corresponding subregion respectively
The information of skin feature is compared, and obtains the abnormal skin feature that each pending region comprises；
According to the processing method that each abnormal skin characteristic is corresponding, the abnormal skin that each pending region is comprised
Feature processes accordingly.
A kind of picture processing device during skin abnormality, including:
Portrait area acquisition module, for picture carries out Identification of Images, obtains portrait area；
Portrait area divides module, for each sub regions according to default feature database, by described portrait area
It is divided into each pending region, wherein presets each abnormal skin that feature database storage has each sub regions to comprise
The information of feature, and the processing method corresponding with each abnormal skin characteristic；
Abnormal skin feature acquisition module, for by the skin characteristic information in each pending region respectively with
The information of each abnormal skin characteristic that corresponding subregion comprises is compared, and obtains each pending region bag
The abnormal skin feature contained；
Abnormal skin feature processing block, for the processing method corresponding according to each abnormal skin characteristic, to respectively
The abnormal skin feature that individual pending region comprises processes accordingly.
Image processing method during skin abnormality of the present invention and device, for the rule of skin symptom region
Property, and the image feature information of skin symptom, set up the information of each sub regions and each abnormal skin characteristic
Corresponding relation, and be respectively provided with corresponding U.S. face method for each abnormal skin feature, thus construct
Preset feature database.When needs carry out U.S. face to picture, first the human face region of picture is divided, obtain
Each pending region, for each pending region, by with respective sub-areas in default feature database
Abnormal skin characteristic information mates, and detects the abnormal skin feature comprised in pending region, then according to pre-
If processing method to obtain each abnormal skin feature process accordingly.The present invention considers skin allusion quotation
The region that type problem occurs, and in facial different feature, carry out for different skin symptom subregions
Landscaping treatment, allows skin U.S. face be more nearly nature；Can just effectively distinguish according to abnormal skin characteristic information
Often the colour of skin and the abnormal colour of skin, such as " plateau is red " symptom and erythema, only beautify abnormal skin feature
Process, retain the normal skin feature of user, make picture more true nature.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of image processing method embodiment during skin abnormality of the present invention；
Fig. 2 is the structural representation of the picture processing device embodiment one during skin abnormality of the present invention；
Fig. 3 is the structural representation of the picture processing device embodiment two during skin abnormality of the present invention；
Fig. 4 is the structural representation of side of the present invention face detection module embodiment.
Detailed description of the invention
By further illustrating the technological means and the effect of acquirement that the present invention taked, below in conjunction with the accompanying drawings and
Preferred embodiment, to technical scheme, carries out clear and complete description.
As it is shown in figure 1, image processing method during a kind of skin abnormality, including step:
S110, picture is carried out Identification of Images, obtain portrait area；
S120, basis preset each sub regions of feature database, described portrait area are divided into each pending
Region, wherein presets the information of each abnormal skin characteristic that feature database storage has each sub regions to comprise, and
The processing method corresponding with each abnormal skin characteristic；
S130, the skin characteristic information in each pending region is each with what corresponding subregion comprised respectively
The information of abnormal skin feature is compared, and obtains the abnormal skin feature that each pending region comprises；
S140, according to processing method corresponding to each abnormal skin characteristic, comprise each pending region is different
Often skin characteristic processes accordingly.
In step s 110, picture can be the picture carrying out finding a view in picture during image taking, such as, open
When the front-facing camera of mobile phone is taken pictures, the picture of display in mobile phone screen, it is also possible to be completed figure
Sheet, the picture of the picture such as shot, terminal self storage or the picture etc. that obtains from other equipment.
The method being obtained portrait area by Identification of Images can be realized according to mode existing in prior art.
In one embodiment, picture is carried out Identification of Images, after obtaining portrait area, according to default spy
Levy each sub regions in storehouse, before described portrait area is divided into each pending region, it is also possible to include
Step:
Obtain the eye information in described portrait area and bridge of the nose information；
Angle according to eyes with the bridge of the nose obtains side face angle；
Whether detect described side face angle more than predetermined angle；
If so, return and picture is carried out Identification of Images, obtain the step of portrait area, otherwise enter according to pre-
If each sub regions of feature database, described portrait area is divided into the step in each pending region.
Obtain the eye information in portrait area and bridge of the nose information can be real according to existing mode in prior art
Existing.If be detected that portrait area has two eyes, then can use the line between two eyes and nose
The angle of beam knows side face angle.If be detected that portrait area has eyes, it is possible to use this eye
Eyeball detects side face angle with the angle of the bridge of the nose.Predetermined angle can be configured according to actual conditions.
In the step s 120, abnormal skin feature is the feature being different from normal skin, such as freckle, red
Spot etc..Processing picture to levy with subregion dtex, the present invention needs to pre-set feature database.
Considering the regularity that occurs in skin area of abnormal skin feature, arrange that each sub regions comprises is each
Abnormal skin feature, such as, freckle is generally present near cheekbone, and erythema or red point are generally present in down
Near bar or forehead etc..
In order to correctly identify abnormal skin feature, such as, distinguish that skin is the most ruddy and erythema,
Also need to arrange the information of each abnormal skin feature, if a certain skin characteristic information meets corresponding abnormal
The information of skin characteristic, then may determine that and occur in that this abnormal skin feature in this skin.
In one embodiment, the information of each abnormal skin characteristic can include the colour of each abnormal skin characteristic
Distance size between magnitude range and the adjacent same abnormal skin feature of abnormal skin characteristic interval, each
Deng.Such as, face cheekbone near zone includes freckle, and the information of freckle includes: colour is black-coffee color
(corresponding RGB scope), freckle magnitude range, the quantifiable data such as the distance between adjacent freckle.After
Continuous processing region for the treatment of is when detecting, if be detected that the skin of pending region septum reset cheekbone near zone
Skin characteristic information meets each condition of freckle, then is assured that in face cheekbone near zone and occurs in that
Freckle.User can also arrange the out of Memory of abnormal skin feature, and this is not made restriction by the present invention.
In order to carry out respective handling for different abnormal skin features, in addition it is also necessary to arrange each abnormal skin special
The processing method levied.The processing method implementation of each abnormal skin feature has a variety of.Such as, one
In individual embodiment, each abnormal skin characteristic includes freckle, and the processing method corresponding with described freckle includes: go
Except black rgb value.The colour of freckle is black-coffee color, removes black rgb value, retains coffee color
Rgb value, i.e. can realize beautifying freckle, i.e. desalinate this freckle, and the skin that can retain again user is thin
Joint, obtains more real U.S. face effect.In another embodiment, each abnormal skin characteristic includes erythema,
The processing method corresponding with described erythema includes: remove the colour more than predetermined threshold value.The colour of erythema is also
Certain colour is interval, removes colour higher in erythema, retains colour relatively low in erythema, equally
To desalinate this erythema, the skin detail of user can be retained again, obtain more real U.S. face effect.
According to above-mentioned design, user can also arrange the process side of other abnormal skin feature according to actual needs
Method, the present invention no longer carries out example one by one.
For the follow-up abnormal skin feature that can accurately detect and comprise in each pending region, to people
When dividing as region, according to the region division rule in default feature database, portrait area can be carried out phase
The division answered.Each pending region after division is corresponding with the subregion in default feature database.
In step s 130, respectively by the skin characteristic information in each pending region and corresponding subregion
Abnormal skin characteristic information mate.Such as, preset forehead region in feature database and comprise freckle and erythema,
The sparrow that the skin characteristic information in the forehead region in pending region is comprised with forehead region in default feature database
The information of spot is mated, if coupling is consistent, then confirms that the forehead region in pending region comprises freckle；
The skin characteristic information in the forehead region in pending region is red with what forehead region in default feature database comprised
The information of spot is mated, and finds that the forehead region in pending region does not has any skin characteristic information to meet
The information of erythema, then confirm that the forehead region in pending region does not comprise erythema.The result so obtained is just
It is that the forehead region in pending region comprises freckle.
In step S140, the processing method that each abnormal skin characteristic that stores according to default feature database is corresponding,
The abnormal skin feature comprising each pending region is beautified accordingly.Such as, in pending region
Forehead region comprise freckle, then remove the black rgb value in this freckle.
Based on same inventive concept, the present invention also provides for picture processing device during a kind of skin abnormality, below
In conjunction with accompanying drawing, the detailed description of the invention of apparatus of the present invention is described in detail.
As in figure 2 it is shown, picture processing device during a kind of skin abnormality, including:
Portrait area acquisition module 110, for picture carries out Identification of Images, obtains portrait area；
Portrait area divides module 120, for each sub regions according to default feature database, by described portrait district
Territory is divided into each pending region, wherein presets each abnormal skin that feature database storage has each sub regions to comprise
The information of skin feature, and the processing method corresponding with each abnormal skin characteristic；
Abnormal skin feature acquisition module 130, for by the skin characteristic information in each pending region respectively
The information of each abnormal skin characteristic comprised with corresponding subregion is compared, and obtains each pending region
The abnormal skin feature comprised；
Abnormal skin feature processing block 140, for the processing method corresponding according to each abnormal skin characteristic, right
The abnormal skin feature that each pending region comprises processes accordingly.
The picture that portrait area acquisition module 110 identifies can be the figure carrying out finding a view in picture during image taking
Sheet, it is also possible to be completed picture.Portrait area acquisition module 110 obtains portrait district by Identification of Images
The method in territory can realize according to mode existing in prior art.
In one embodiment, as it is shown on figure 3, apparatus of the present invention can also include being connected to described portrait district
Territory acquisition module 110 and described portrait area divide the side face detection module 150 between module 120.Such as Fig. 4
Shown in, described side face detection module 150 may include that
Eyes and bridge of the nose information acquisition unit 1501, for obtaining the eye information in described portrait area and nose
Beam information；
Side face angle obtainment unit 1502, for obtaining side face angle according to the angle of eyes with the bridge of the nose；
Side face angle detection unit 1503, is used for whether detecting described side face angle more than predetermined angle.
Picture, when side face angle is more than predetermined angle, is carried out by described portrait area acquisition module 110 again
Identification of Images, obtains portrait area.Described portrait area divides module 120 in side face angle less than or equal to pre-
If during angle, according to each sub regions of default feature database, described portrait area is divided into each pending
Region.
Eyes and bridge of the nose information acquisition unit 1501 obtain the eye information in portrait area and bridge of the nose information is permissible
Realize according to mode existing in prior art.If be detected that portrait area has two eyes, face angle, side
Degree obtains unit 1502 and the angle of the line between two eyes and the bridge of the nose can be used to know side face angle.As
Fruit detect that portrait area has eyes, side face angle obtainment unit 1502 can utilize these eyes with
The angle detection side face angle of the bridge of the nose.Predetermined angle can be configured according to actual conditions.
Considering the regularity that occurs in skin area of abnormal skin feature, arrange that each sub regions comprises is each
Abnormal skin feature, such as, freckle is generally present near cheekbone, and erythema or red point are generally present in down
Near bar or forehead etc..
In order to correctly identify abnormal skin feature, such as, distinguish that skin is the most ruddy and erythema,
Also need to arrange the information of each abnormal skin feature.In one embodiment, the letter of each abnormal skin characteristic
Breath can include that the colour of each abnormal skin characteristic is interval, the magnitude range of each abnormal skin characteristic and adjacent
Distance size etc. between same abnormal skin feature.User can also arrange other letter of abnormal skin feature
Breath, this is not made restriction by the present invention.
In order to carry out respective handling for different abnormal skin features, in addition it is also necessary to arrange each abnormal skin special
The processing method levied.The processing method implementation of each abnormal skin feature has a variety of.Such as, one
In individual embodiment, each abnormal skin characteristic includes freckle, and the processing method corresponding with described freckle includes: go
Except black rgb value.The colour of freckle is black-coffee color, removes black rgb value, retains coffee color
Rgb value, i.e. can realize beautifying freckle, i.e. desalinate this freckle, and the skin that can retain again user is thin
Joint, obtains more real U.S. face effect.In another embodiment, each abnormal skin characteristic includes erythema,
The processing method corresponding with described erythema includes: remove the colour more than predetermined threshold value.The colour of erythema is also
Certain colour is interval, removes colour higher in erythema, retains colour relatively low in erythema, equally
To desalinate this erythema, the skin detail of user can be retained again, obtain more real U.S. face effect.According to this
Design, user can also arrange the processing method of other abnormal skin feature according to actual needs, and the present invention is not
Carry out example one by one again.
After setting each above-mentioned information, just construct default feature database.Then this default feature database pair is used
Each picture processes.
For the follow-up abnormal skin feature that can accurately detect and comprise in each pending region, portrait district
Territory division module 120, when dividing portrait area, can divide rule according to the region in default feature
Then portrait area is divided accordingly.Each pending region after division and the son in default feature database
Region is corresponding.The skin characteristic in each pending region is believed by abnormal skin feature acquisition module 130 respectively
Breath mates with the abnormal skin characteristic information of corresponding subregion, obtains what each pending region comprised
Abnormal skin feature.Then each exception that abnormal skin feature processing block 140 stores according to default feature database
The processing method that skin characteristic is corresponding, the abnormal skin feature comprising each pending region is carried out accordingly
Beautify.
The present invention considers the region that skin typical problem occurs, and in facial different feature, for difference
Skin symptom subregion carry out landscaping treatment, allow skin U.S. face be more nearly nature.It addition, root of the present invention
Normal skin tone and the abnormal colour of skin, such as " plateau is red " symptom can be effectively distinguished according to abnormal skin characteristic information
And erythema, only abnormal skin feature is carried out landscaping treatment, retains the normal skin feature of user, make picture
More true nature.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. an image processing method during skin abnormality, it is characterised in that include step:
Picture is carried out Identification of Images, obtains portrait area；
According to each sub regions of default feature database, described portrait area is divided into each pending region,
Wherein preset the information of each abnormal skin characteristic that feature database storage has each sub regions to comprise, and with different
The processing method that often skin characteristic is corresponding；
The each abnormal skin that skin characteristic information in each pending region is comprised with corresponding subregion respectively
The information of skin feature is compared, and obtains the abnormal skin feature that each pending region comprises；
According to the processing method that each abnormal skin characteristic is corresponding, the abnormal skin that each pending region is comprised
Feature processes accordingly.
Image processing method during skin abnormality the most according to claim 1, it is characterised in that different
Often the information of skin characteristic includes that the colour of each abnormal skin characteristic is interval, the size model of each abnormal skin characteristic
Enclose and distance size between adjacent same abnormal skin feature.
Image processing method during skin abnormality the most according to claim 1, it is characterised in that different
Often skin characteristic includes freckle, and the processing method corresponding with described freckle includes: remove black rgb value.
Image processing method during skin abnormality the most according to claim 1, it is characterised in that different
Often skin characteristic includes erythema, and the processing method corresponding with described erythema includes: remove more than predetermined threshold value
Colour.
5., according to image processing method during skin abnormality described in Claims 1-4 any one, it is special
Levy and be, picture is carried out Identification of Images, after obtaining portrait area, according to each height of default feature database
Region, before described portrait area is divided into each pending region, further comprises the steps of:
Obtain the eye information in described portrait area and bridge of the nose information；
Angle according to eyes with the bridge of the nose obtains side face angle；
Whether detect described side face angle more than predetermined angle；
If so, return and picture is carried out Identification of Images, obtain the step of portrait area, otherwise enter according to pre-
If each sub regions of feature database, described portrait area is divided into the step in each pending region.
6. a picture processing device during skin abnormality, it is characterised in that including:
Portrait area acquisition module, for picture carries out Identification of Images, obtains portrait area；
Portrait area divides module, for each sub regions according to default feature database, by described portrait area
It is divided into each pending region, wherein presets each abnormal skin that feature database storage has each sub regions to comprise
The information of feature, and the processing method corresponding with each abnormal skin characteristic；
Abnormal skin feature acquisition module, for by the skin characteristic information in each pending region respectively with
The information of each abnormal skin characteristic that corresponding subregion comprises is compared, and obtains each pending region bag
The abnormal skin feature contained；
Abnormal skin feature processing block, for the processing method corresponding according to each abnormal skin characteristic, to respectively
The abnormal skin feature that individual pending region comprises processes accordingly.
Picture processing device during skin abnormality the most according to claim 6, it is characterised in that different
Often the information of skin characteristic includes that the colour of each abnormal skin characteristic is interval, the size model of each abnormal skin characteristic
Enclose and distance size between adjacent same abnormal skin feature.
Picture processing device during skin abnormality the most according to claim 6, it is characterised in that different
Often skin characteristic includes freckle, and the processing method corresponding with described freckle includes: remove black rgb value.
Picture processing device during skin abnormality the most according to claim 6, it is characterised in that different
Often skin characteristic includes erythema, and the processing method corresponding with described erythema includes: remove more than predetermined threshold value
Colour.
10. according to picture processing device during skin abnormality described in claim 6 to 9 any one, its
It is characterised by, also includes being connected to described portrait area acquisition module and described portrait area divides between module
Side face detection module, described side face detection module includes: eyes and bridge of the nose information acquisition unit, is used for obtaining
Take the eye information in described portrait area and bridge of the nose information；Side face angle obtainment unit, for according to eyes
Side face angle is obtained with the angle of the bridge of the nose；Side face angle detection unit, is used for whether detecting described side face angle
More than predetermined angle；
Described portrait area acquisition module, when side face angle is more than predetermined angle, carries out portrait to picture again
Identify, obtain portrait area；Described portrait area divide module side face angle less than or equal to predetermined angle time,
According to each sub regions of default feature database, described portrait area is divided into each pending region.
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| CN201610213335.0A CN105913389B (en) | 2016-04-07 | 2016-04-07 | Image processing method and device during skin abnormality |
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| CN201610213335.0A CN105913389B (en) | 2016-04-07 | 2016-04-07 | Image processing method and device during skin abnormality |
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| CN108229389A (en) * | 2017-12-29 | 2018-06-29 | 努比亚技术有限公司 | Facial image processing method, apparatus and computer readable storage medium |
| CN108647566A (en) * | 2018-03-29 | 2018-10-12 | 维沃移动通信有限公司 | A kind of method and terminal of identification skin characteristic |
| CN109325907A (en) * | 2018-09-18 | 2019-02-12 | 北京旷视科技有限公司 | Image landscaping treatment method, apparatus and system |
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