CN105760868B - Target in adjustment image looks for the method, device and mobile terminal of tendency - Google Patents
Target in adjustment image looks for the method, device and mobile terminal of tendency Download PDFInfo
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- CN105760868B CN105760868B CN201610077531.XA CN201610077531A CN105760868B CN 105760868 B CN105760868 B CN 105760868B CN 201610077531 A CN201610077531 A CN 201610077531A CN 105760868 B CN105760868 B CN 105760868B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/56—Extraction of image or video features relating to colour
Abstract
The invention discloses the method, device and mobile terminal that the target in a kind of adjustment image looks for tendency.This method comprises: obtaining image to be processed；Image recognition is carried out to the image to be processed, obtains target object area；According to the target object area, the ambient color region of the image to be processed is determined；According to the color value of pixel in the ambient color region, main environment color corresponding with the ambient color region is obtained；According to the main environment color, the color value of target object area is deviated into preset gain to main environment color direction.Influence of the present invention by the ambient color around object to object improves the sense of reality of image to adjust the color tendency of object.
Description
Technical field
The present embodiments relate to the sides that the target in image processing techniques more particularly to a kind of adjustment image looks for tendency
Method, device and mobile terminal.
Background technique
The color of human eye perception is all the reflected light formation of nature, due to being reflected light, in one scenario
If occurring the flower of blue and red flower simultaneously, in real scene, blue takes red color, red flower
On also have the color of blue, color is the relationship of " you are among us and we are among you ", this is easily found pair in the toning of oil painting
It answers, when drawing the red flower stated in scene, red pigment will be mixed colours according to picture using blue pigment, here it is
A kind of color tendency.
When self-timer, in the case where complex light or polychrome, blee will receive the reflection of surrounding articles
Shadow is rung.U.S. face processing mode in the prior art, carries out the simple colour of skin just for face and handles, without considering environment pair
The influence of the colour of skin, after U.S. face, the sense of reality of photo is poor.
Summary of the invention
In view of this, the target that the embodiment of the present invention is provided in a kind of adjustment image looks for the method, apparatus and shifting of tendency
Dynamic terminal, to improve the sense of reality of image.
In a first aspect, the embodiment of the invention provides the method that the target in a kind of adjustment image looks for tendency, the side
Method includes:
Obtain image to be processed；
Image recognition is carried out to the image to be processed, obtains target object area；
According to the target object area, the ambient color region of the image to be processed is determined；
According to the color value of pixel in the ambient color region, main environment corresponding with the ambient color region is obtained
Color；
According to the main environment color, the color value of target object area is deviated into default increase to main environment color direction
Benefit.
Second aspect, it is described the embodiment of the invention also provides the device that the target in a kind of adjustment image looks for tendency
Device includes:
Image collection module, for obtaining image to be processed；
Picture recognition module obtains target object area for carrying out image recognition to the image to be processed；
Ambient color area determination module, for determining the ambient color of the image to be processed according to the target object area
Region；
Main environment color obtains module, for the color value according to pixel in the ambient color region, obtains and the ring
The corresponding main environment color in border color region；
Color tendency adjustment module, for according to the main environment color, by the color value of target object area to the main ring
Border color direction deviates preset gain.
The third aspect, the embodiment of the invention also provides a kind of mobile terminal, it is any which is integrated with the present invention
Target in adjustment image described in embodiment looks for the device of tendency.
The technical solution of the embodiment of the present invention obtains target object area, root by carrying out image recognition to image to be processed
According to target object area, the ambient color region of the image to be processed is determined, and according to the color of pixel in the ambient color region
Value obtains corresponding with ambient color region main environment color, thus by the color value of target object area to the main environment
The offset setting gain of color direction, the i.e. influence by the ambient color around object to object, incline to adjust the color of object
To improving the sense of reality of image.
Detailed description of the invention
Fig. 1 be the embodiment of the present invention one provide a kind of adjustment image in target look for tendency method flow chart；
Fig. 2 is the flow chart for the method that a kind of target adjusted in image provided by Embodiment 2 of the present invention looks for tendency；
Fig. 3 be the embodiment of the present invention three provide a kind of adjustment image in target look for tendency method flow chart；
Fig. 4 be the embodiment of the present invention four provide a kind of adjustment image in target look for tendency device structural representation
Figure.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
In description, only some but not all contents related to the present invention are shown in the drawings.
Embodiment one
Fig. 1 be the embodiment of the present invention one provide a kind of adjustment image in target look for tendency method flow chart,
The present embodiment is applicable to the case where being adjusted to the color tendency of the object in image, and this method can be by adjustment image
Target look for the device of tendency to execute, the target in the adjustment image looks for the device of tendency to can integrate in mobile terminal
In, specifically comprise the following steps:
Step 110, image to be processed is obtained.
When user, which will be inclined to the color of the object in an image, to be adjusted, it is possible to specify figure to be treated
Picture, then mobile terminal is available arrives the image to be processed.
Step 120, image recognition is carried out to the image to be processed, obtains target object area.
Wherein, image recognition refers to handles image, analyzed and is understood using computer, to identify various different moulds
The target of formula and technology to picture.Image recognition can be based on the main feature of image, and each target object has it solely
Some features, such as letter A have that point, a P have a circle and there is a acute angle at the center of Y；Image recognition can also be carried out according to template
Matching, to identify the object in image.
The feature according to possessed by object is matched according to template, carries out image knowledge to the image to be processed
Not, it identifies object in the image to be processed, and determines the region where the object, i.e. target object area.
Wherein, the object is preferably face, and general ordinary user likes beautifying the photo taken, especially
It is to the photo with portrait, and such as U.S. face camera is exactly to beautify to portrait photo.The face in image to be processed
It, can be by carrying out recognition of face to image to be processed, to obtain human face region when the colour of skin carries out color tendency adjustment.
Step 130, according to the target object area, the ambient color region of the image to be processed is determined.
Region other than the target object area is the ambient color region of the image to be processed.The color of the object
Tendency is influenced by environmental colors, that is, ambient color around the object, after the ambient color around object has been determined,
Can color clearly to the object be inclined to the direction being adjusted.
Step 140, according to the color value of pixel in the ambient color region, master corresponding with the ambient color region is obtained
Want ambient color.
According to the color value of the pixel in the ambient color region, and setting colour circle, the difference in image to be processed is determined
The region occupied of color, and the size in the region according to different colours gets master corresponding with the ambient color region
Want ambient color.
Step 150, according to the main environment color, the color value of target object area is deviated to main environment color direction
Preset gain.
After main environment color has been determined, it is believed that the color of object will receive the main influence of the main environment color,
Therefore, the color value of all pixels point of target object area is whole to main environment color direction offset preset gain, to increase
The sense of reality of object in strong photo., can be according to environment accounting such as in the color tendency adjustment of face, the corresponding adjustment colour of skin
Gain in ruddy degree and pale degree, colder color (such as blue) have gain to pale degree, and inclined warm colour (as red) is right
Ruddy degree has gain, certainly, can also have other than ruddy degree and pale degree in the color tendency of the adjustment colour of skin more
Dimension, dimension is more, can more restore scene when taking pictures, image is more true so that treated.
Such as: there are safflower and greenery, then being inclined to when rendering to safflower according to color in image to be processed
Principle should be deviated to green direction.Generally, there are two types of directions for offset, and it is inclined that one is warm colours, and it is inclined that one is cool colours.
The technical solution of the present embodiment obtains target object area, according to mesh by carrying out image recognition to image to be processed
Object area is marked, determines the ambient color region of the image to be processed, and according to the color value of pixel in the ambient color region, obtain
Main environment color corresponding with the ambient color region is taken, thus by the color value of target object area to main environment color direction
Offset setting gain, the i.e. influence by the ambient color around object to object improve to adjust the color tendency of object
The sense of reality of image.Such as in the case where ktv has multiple light sources, the face of people is obviously to have the light of various colors to irradiate
, only it is left the color of skin using prior art Mei Yanhou face and locating scene is not arranged in pairs or groups, can be extremely odd, and use
The present embodiment to face carry out color tendency adjustment after would not arise a problem that.
Embodiment two
Fig. 2 is the flow chart for the method that a kind of target adjusted in image provided by Embodiment 2 of the present invention looks for tendency,
The present embodiment on the basis of example 1, " according to the color value of pixel in the ambient color region, will obtain and the environment
The corresponding main environment color in color region " advanced optimizes as " according in the setting color value range of color and the ambient color region
The color value of pixel extracts the color region in the ambient color region；According to the color region in the ambient color region,
Obtain main environment color corresponding with the ambient color region ", specifically comprise the following steps:
Step 210, image to be processed is obtained.
Step 220, image recognition is carried out to the image to be processed, obtains target object area.
Step 230, according to the target object area, the ambient color region of the image to be processed is determined.
Step 240, according to the color value of pixel in the setting color value range of color and the ambient color region, institute is extracted
State the color region in ambient color region.
According to the setting color value range of each color, by the color value of each pixel in the ambient color region and every kind
The setting color value range of color is matched, if successful match, illustrates that the pixel belongs to represented by this color value range
Color, the extracted region that the neighbor pixel for belonging to same color is occupied is come out, which is the ambient color
Color region in region.
Step 250, it according to the color region in the ambient color region, obtains corresponding with the ambient color region main
Ambient color.
According to the size or area of each color region in the ambient color region, obtain and the ambient color region
Corresponding main environment color.
Wherein, according to the color region in the ambient color region, main ring corresponding with the ambient color region is obtained
Border color can preferably include:
Obtain the pixel number of the color region and total pixel number in the ambient color region；
Proportion of the pixel number of the color region in total pixel number is calculated, as environment accounting；
The color region for determining that the environment accounting is greater than setting ratio is main ambient color region, the main environment color
The corresponding color in region is main ambient color.
To be determined on the basis of proportion of the pixel number of color region in total pixel number in ambient color region
The color region that environment accounting is greater than setting ratio is determined as main environment color region, determined in this way by main environment color region
Main environment color region it is more accurate, to get accurate main environment color, shadow of the main environment color to object
Ring it is maximum, so as to the sense of reality for the image that further increases that treated.
Wherein, according to the color region in the ambient color region, main ring corresponding with the ambient color region is obtained
Border color can also preferably include:
The color region for determining that pixel number is greater than presetted pixel points is main ambient color region, the main environment color
The corresponding color in region is main ambient color.
Main environment color region, so determining main environment are determined on the basis of the pixel number in all colours region
Color region is more accurate, to get accurate main environment color, influence of the main environment color to object is maximum, thus
The sense of reality for the image that can be further improved that treated, and the calculating time-consuming is less, improves processing speed.
Step 260, according to the main environment color, the color value of target object area is deviated to main environment color direction
Preset gain.
The technical solution of the present embodiment obtains target object area, according to mesh by carrying out image recognition to image to be processed
Object area is marked, the ambient color region of the image to be processed is determined, according to the setting color value range of color and the ambient color area
The color value of pixel in domain extracts the color region in the ambient color region, according to the color in the ambient color region
Region obtains corresponding with ambient color region main environment color, thus by the color value of target object area to the main ring
The offset setting gain of border color direction, the i.e. influence by the ambient color around object to object, to adjust the color of object
Tendency, improves the sense of reality of image.Compared with embodiment one, the present embodiment is first extracted by the setting color value range of color
Color region in the ambient color region, and then main environment color corresponding with the ambient color region is obtained, so that obtaining
The main environment color arrived is more acurrate, so that the color tendency of the object of adjustment is more accurate, further improves image
The sense of reality.
Embodiment three
Fig. 3 be the embodiment of the present invention three provide a kind of adjustment image in target look for tendency method flow chart,
The present embodiment on the basis of the above embodiments, " according to the target object area, will determine the ambient color of the image to be processed
Region " advanced optimizes " to calculate the color average of the target object area；Determine that the color value of pixel is flat in the color
Region except the setting range of mean value is ambient color region ", specifically comprise the following steps:
Step 310, image to be processed is obtained.
Step 320, image recognition is carried out to the image to be processed, obtains target object area.
Step 330, the color average of the target object area is calculated.
According to the color value of each pixel of the target object area, the average value of the color value of all pixels point, meter are calculated
The average value of the color value of obtained all pixels point is the color average of target object area.
Step 340, it determines belonging to the pixel of the color value of pixel except the setting range of the color average
Region is ambient color region.
Using the color average of the target object area as benchmark, by color value the color average setting range it
Region belonging to outer pixel is determined as ambient color region.The determining ambient color region object single to color in this way
It is relatively more accurate for (such as face).
Step 350, according to the color value of pixel in the ambient color region, master corresponding with the ambient color region is obtained
Want ambient color.
Step 360, according to the main environment color, the color value of target object area is deviated to main environment color direction
Preset gain.
The technical solution of the present embodiment obtains target object area, and calculate by carrying out image recognition to image to be processed
The color average of target object area, and ambient color region is determined according to the color average of object, so obtain with it is described
The corresponding main environment color in ambient color region, thus according to main environment color, by the color value of target object area to the main ring
Border color direction deviates preset gain, i.e., by the influence around object to the ambient color of object, to adjust the color of object
Tendency, improves the sense of reality of image.Compared with above-described embodiment, the present embodiment by the color average of target object area come
Determine ambient color region, for the object single for color, determining ambient color region is more accurate, so that the mesh of adjustment
The color tendency for marking object is more accurate, further improves the sense of reality of the image with the single object of color.
Example IV
Fig. 4 be the embodiment of the present invention four provide a kind of adjustment image in target look for tendency device structural representation
Figure, as shown in figure 4, it includes: image collection module that the target in the adjustment image that the present embodiment improves, which looks for the device of tendency,
410, picture recognition module 420, ambient color area determination module 430, main environment color obtain module 440 and color tendency adjustment mould
Block 450.
Wherein, image collection module, for obtaining image to be processed；
Picture recognition module obtains target object area for carrying out image recognition to the image to be processed；
Ambient color area determination module, for determining the ambient color of the image to be processed according to the target object area
Region；
Main environment color obtains module, for the color value according to pixel in the ambient color region, obtains and the ring
The corresponding main environment color in border color region；
Color tendency adjustment module, for according to the main environment color, by the color value of target object area to the main ring
Border color direction deviates preset gain.
Wherein, the object is preferably face.
Preferably, the main environment color acquisition module includes:
Color region extraction unit, for according to pixel in the setting color value range of color and the ambient color region
Color value extracts the color region in the ambient color region；
Main environment color acquiring unit, for obtaining and the environment according to the color region in the ambient color region
The corresponding main environment color in color region.
Preferably, the main environment color acquiring unit is specifically used for:
Obtain the pixel number of the color region and total pixel number in the ambient color region；
Proportion of the pixel number of the color region in total pixel number is calculated, as environment accounting；
The color region for determining that the environment accounting is greater than setting ratio is main ambient color region, the main environment color
The corresponding color in region is main ambient color.
Preferably, the main environment color acquiring unit is specifically used for:
The color region for determining that pixel number is greater than presetted pixel points is main ambient color region, the main environment color
The corresponding color in region is main ambient color.
Preferably, the ambient color area determination module includes:
Color average computing unit, for calculating the color average of the target object area；
Ambient color area determination unit, for determining the color value of pixel except the setting range of the color average
Pixel belonging to region be ambient color region.
Target in above-mentioned adjustment image looks for the device of tendency that adjustment provided by any embodiment of the invention can be performed
The method that target in image looks for tendency has the corresponding functional module of execution method and beneficial effect.
Embodiment five
The embodiment of the present invention five provides a kind of mobile terminal, which is integrated with described in any embodiment of the present invention
Adjustment image in target look for the device of tendency, looked for possessed by the device of tendency with the target in the adjustment image
Beneficial effect.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (11)
1. the method that the target in a kind of adjustment image looks for tendency, which is characterized in that the described method includes:
Obtain image to be processed；
Image recognition is carried out to the image to be processed, obtains target object area；
According to the target object area, the ambient color region of the image to be processed is determined；
According to the color value of pixel in the setting color value range of color and the ambient color region, the ambient color region is extracted
In color region；
According to the color region in the ambient color region, main environment color corresponding with the ambient color region is obtained；According to
The color value of target object area is deviated preset gain to main environment color direction by the main environment color.
2. the method according to claim 1, wherein the object is face.
3. the method according to claim 1, wherein being obtained according to the color region in the ambient color region
Main environment color corresponding with the ambient color region, comprising:
Obtain the pixel number of the color region and total pixel number in the ambient color region；
Proportion of the pixel number of the color region in total pixel number is calculated, as environment accounting；
The color region for determining that the environment accounting is greater than setting ratio is main ambient color region, main environment color region
Corresponding color is main ambient color.
4. the method according to claim 1, wherein being obtained according to the color region in the ambient color region
Main environment color corresponding with the ambient color region, comprising:
The color region for determining that pixel number is greater than presetted pixel points is main ambient color region, main environment color region
Corresponding color is main ambient color.
5. method according to claim 1 or 2, which is characterized in that according to the target object area, determine described to be processed
The ambient color region of image, comprising:
Calculate the color average of the target object area；
Determine that region belonging to the pixel of the color value of pixel except the setting range of the color average is ambient color
Region.
6. the target in a kind of adjustment image looks for the device of tendency, which is characterized in that described device includes:
Image collection module, for obtaining image to be processed；
Picture recognition module obtains target object area for carrying out image recognition to the image to be processed；
Ambient color area determination module, for determining the ambient color region of the image to be processed according to the target object area；
Main environment color obtains module, comprising:
Color region extraction unit, for the color according to pixel in the setting color value range of color and the ambient color region
Value, extracts the color region in the ambient color region；
Main environment color acquiring unit, for obtaining and the ambient color area according to the color region in the ambient color region
The corresponding main environment color in domain；
Color tendency adjustment module, for according to the main environment color, by the color value of target object area to the main environment color
Direction deviates preset gain.
7. device according to claim 6, which is characterized in that the object is face.
8. device according to claim 6, which is characterized in that the main environment color acquiring unit is specifically used for:
Obtain the pixel number of the color region and total pixel number in the ambient color region；
Proportion of the pixel number of the color region in total pixel number is calculated, as environment accounting；
The color region for determining that the environment accounting is greater than setting ratio is main ambient color region, main environment color region
Corresponding color is main ambient color.
9. device according to claim 6, which is characterized in that the main environment color acquiring unit is specifically used for:
The color region for determining that pixel number is greater than presetted pixel points is main ambient color region, main environment color region
Corresponding color is main ambient color.
10. device according to claim 6 or 7, which is characterized in that the ambient color area determination module includes:
Color average computing unit, for calculating the color average of the target object area；
Ambient color area determination unit, for determining picture of the color value of pixel except the setting range of the color average
Region belonging to vegetarian refreshments is ambient color region.
11. a kind of mobile terminal, which is characterized in that the mobile terminal is integrated with the adjustment figure as described in claim 6-10 is any
Target as in looks for the device of tendency.
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| CN103617601A (en) * | 2013-11-29 | 2014-03-05 | 深圳超多维光电子有限公司 | Image processing method and device |
| CN104349149A (en) * | 2013-08-07 | 2015-02-11 | 联想(北京)有限公司 | Image imaging effect regulating method and electronic equipment |
| CN104767983A (en) * | 2015-03-19 | 2015-07-08 | 华为技术有限公司 | Picture processing method and device |
| CN105245933A (en) * | 2015-09-06 | 2016-01-13 | 青岛中星微电子有限公司 | Screen display method and device |
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| KR101676830B1 (en) * | 2010-08-16 | 2016-11-17 | 삼성전자주식회사 | Image processing apparatus and method |
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| CN104349149A (en) * | 2013-08-07 | 2015-02-11 | 联想(北京)有限公司 | Image imaging effect regulating method and electronic equipment |
| CN103617601A (en) * | 2013-11-29 | 2014-03-05 | 深圳超多维光电子有限公司 | Image processing method and device |
| CN104767983A (en) * | 2015-03-19 | 2015-07-08 | 华为技术有限公司 | Picture processing method and device |
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Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |