CN104899909B - Color Mapping Approach and device - Google Patents

Color Mapping Approach and device Download PDF

Info

Publication number
CN104899909B
CN104899909B CN201510239555.6A CN201510239555A CN104899909B CN 104899909 B CN104899909 B CN 104899909B CN 201510239555 A CN201510239555 A CN 201510239555A CN 104899909 B CN104899909 B CN 104899909B
Authority
CN
China
Prior art keywords
pixel
area
brightness value
sequence
color
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510239555.6A
Other languages
Chinese (zh)
Other versions
CN104899909A (en
Inventor
吴拥民
叶仲雯
许凯杰
何汉鑫
刘德建
陈宏展
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian TQ Digital Co Ltd
Original Assignee
Fujian TQ Digital Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian TQ Digital Co Ltd filed Critical Fujian TQ Digital Co Ltd
Priority to CN201510239555.6A priority Critical patent/CN104899909B/en
Publication of CN104899909A publication Critical patent/CN104899909A/en
Application granted granted Critical
Publication of CN104899909B publication Critical patent/CN104899909B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Color Image Communication Systems (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)

Abstract

To realize the color mapping effect of true nature, a kind of Color Mapping Approach is inventor provided, including step:The brightness value of first area and each pixel of second area is obtained according to predetermined luminance calculation formula;According to each pixel sequence to first area of the brightness value size of each pixel in first area, First ray is obtained, each pixel sorts to second area according to the brightness value size of each pixel of second area, obtains the second sequence;Its position data I in the second sequence is obtained to one pixel i of second areai, utilize IiRespective pixel point i ' is read from First ray, and the color value of respective pixel point i ' is mapped to the pixel i.Inventor also provides the device for realizing the above method simultaneously, mapping actual effect, which is equivalent to, caused by scheme maintains the constant of illumination condition, on this basis by the color mapping of target area to source region, acquired results more true nature can obtain meeting and practical estimate effect.

Description

Color Mapping Approach and device
Technical field
The present invention relates to image processing field, more particularly to a kind of Color Mapping Approach and device.
Background technology
Dressing moulding is important link indispensable in women daily life, and hair style and color development are even more the entirety to women Dressing image has crucial effect, therefore the hot spot that the color development of oneself is suitble to be increasingly becoming female group concern how to be selected to ask Topic.In recent years, with the development of Computer Simulation, people is begun to appear in using the method that image processing techniques is virtually made up The visual field in, this examination complete outfit for newlyweds method substantially increases the experience of user compared to traditional practical examination adornment, saves the time With the consumption of resource, it is with a wide range of applications.
However, application of the prior art in terms of virtual hair dyeing is seldom, only virtual hair color technology only will be on colour table Color be merely mapped to the hair zones of model, effect not natural reality, can not be that hair dye is applied to model's sheet Realistic colour after human hair is upper provides more reliable estimation.
Invention content
For this reason, it may be necessary to provide a kind of Color Mapping Approach and device of effect true nature.
To achieve the above object, a kind of Color Mapping Approach is inventor provided, is included the following steps:
The brightness value of each pixel in first area and each pixel of second area is obtained according to predetermined luminance calculation formula;
According to each pixel sequence to first area of the brightness value size of each pixel in first area, First ray is obtained, Also, according to the brightness value size of each pixel of second area, to second area, each pixel sorts, and obtains the second sequence;
Its position data I in the second sequence is obtained to one pixel i of second areai, utilize IiIt is read from First ray Respective pixel point i ' is taken, and the color value of the respective pixel point i ' is mapped to the pixel i.
Further, in the Color Mapping Approach, it is obtained to one pixel i of second area in the second area Position data IiFormula be:
Ii=(Yi-Ymin)/(Ymax-Ymin), wherein, YiFor the brightness value of pixel i, YmaxAnd YminRespectively second area Maximum value and minimum value in the brightness value of each pixel.
Further, in the Color Mapping Approach, the predetermined luminance formula is specially:
Y=(4899*R+9617*G+1868*B+8192)/16384, wherein Y represent the brightness value of pixel, and R, G, B divide Not Biao Shi in RGB color model each color component of pixel value.
Further, in the Color Mapping Approach, according to the brightness value size of each pixel in first area to first Each pixel sequence in region during each pixel sequence, arranges second area according to the brightness value size of each pixel of second area The foundation of sequence is from big to small or is from small to large.
Further, in the Color Mapping Approach, step is " according to the brightness value size pair of each pixel in first area Each pixel sequence in first area, obtains First ray " it specifically includes:
According to each pixel sequence to first area of the brightness value size of each pixel in first area, and given birth to by ranking results Into colour table image as First ray.
Inventor additionally provides a kind of color mapping device simultaneously, including luminance obtaining unit, sequencing unit, position data Acquiring unit and map unit;
The luminance obtaining unit is used to obtain each pixel in first area and second according to predetermined luminance calculation formula The brightness value of each pixel in region;
The sequencing unit is for according to the brightness value size of each pixel in first area, to first area, each pixel to be arranged Sequence, obtains First ray, also, to second area, each pixel sorts according to the brightness value size of each pixel of second area, Obtain the second sequence;
The position data acquiring unit is used to obtain its positional number in the second sequence to one pixel i of second area According to Ii
The map unit is used to utilize IiRespective pixel point i ' is read from First ray, and by the respective pixel point The color value of i ' is mapped to the pixel i.
Further, in the color mapping device, position data acquiring unit obtains one pixel i of second area Its position data I in the second areaiFormula be:
Ii=(Yi-Ymin)/(Ymax-Ymin), wherein, YiFor the brightness value of pixel i, YmaxAnd YminRespectively second area Maximum value and minimum value in the brightness value of each pixel.
Further, in the color mapping device, the predetermined luminance formula is specially:
Y=(4899*R+9617*G+1868*B+8192)/16384, wherein Y represent the brightness value of pixel, and R, G, B divide Not Biao Shi in RGB color model each color component of pixel value.
Further, in the color mapping device, sequencing unit is big according to the brightness value of each pixel in first area The small sequence of each pixel to first area or according to the brightness value size of each pixel of second area to second area each pixel During sequence, the foundation of sequence is from big to small or is from small to large.
Further, in the color mapping device, sequencing unit is big according to the brightness value of each pixel in first area Small pixel sequence each to first area, obtains First ray and specifically includes:
According to each pixel sequence to first area of the brightness value size of each pixel in first area, and given birth to by ranking results Into colour table image as First ray.
Be different from the prior art, above-mentioned technical proposal when applied to such as virtually hair dyeing scene, be capable of providing it is true from Right hair dyeing effect is carried for color of the color application on hair dye colour table after on the client itself hair for have hair dyeing demand Precisely reliable estimation is supplied.
Description of the drawings
Fig. 1 is the flow chart of Color Mapping Approach described in an embodiment of the present invention;
Fig. 2 is the structure diagram of color mapping device described in an embodiment of the present invention.
Reference sign:
1- luminance obtaining units
2- sequencing units
3- position data acquiring units
4- map units
Specific embodiment
For the technology contents of technical solution, construction feature, the objects and the effects are described in detail, below in conjunction with specific reality It applies example and attached drawing is coordinated to be explained in detail.
Referring to Fig. 1, the flow chart for Color Mapping Approach described in an embodiment of the present invention.The method includes as follows Step:
S1, the brightness that each pixel in first area and each pixel of second area are obtained according to predetermined luminance calculation formula Value;
In present embodiment, the predetermined luminance calculation formula is formula below:Y=(4899*R+9617*G+1868* B+8192)/16384, wherein Y represents the brightness value of pixel, and R, G, B represent each color of pixel in RGB color model respectively The value of component.In other embodiments, predetermined luminance calculation formula can also be that others are according to RGB color in the prior art The value of each color component of pixel calculates the formula of brightness in model, such as:
Y=0.2126R+0.7152G+0.0722B;Or
Y=0.33R+0.5G+0.16B;Or
Y=0.375R+0.5G+0.125B, etc..
In fact, the acquisition of brightness value can not also be confined to calculate using the RGB component value that RGB color model is provided Gained, it is of the prior art any brightness and chrominance separation to be all applied to the technology of the present invention side to obtain the method for brightness value In case, target area (i.e. the above first area) or source region (the secondth i.e. the above area are obtained to realize Domain) in pixel brightness purpose, for used in subsequent processing.
S2, according to the brightness value size of each pixel in first area, to first area, each pixel sorts, and obtains the first sequence Row;
S3, according to the brightness value size of each pixel of second area, to second area, each pixel sorts, and obtains the second sequence Row;
In present embodiment, the work that step S2 and step S3 are carried out all is the brightness to some region of each pixel Value size is ranked up, so point of actually two steps there is no priority, step S2 and S3 can with synchronization process or arbitrarily First post-process.
In addition, " sequence " described herein can also be the sequence of arbitrary standards carried out according to brightness value size, example If sorted or sorting from small to large or size interts sequence from big to small, need to ensure is only to obtain First ray and obtain Take standard based on the second sequence consistent.
It, can be by ranking results after being ranked up to the brightness value of each pixel of second area image in present embodiment (pixel) generates a colour table image as the second sequence and colour table image is presented on front end is checked for user.Certainly, In his embodiment, the second sequence or First ray can also be stored only and treat subsequent calls in the form of data.
S4, its position data I in the second sequence is obtained to one pixel i of second areai
In present embodiment, its position data I in the second area is obtained to one pixel i of second areaiFormula For:Ii=(Yi-Ymin)/(Ymax-Ymin), wherein, YiFor the brightness value of pixel i, YmaxAnd YminRespectively each picture of second area Maximum value and minimum value in the brightness value of vegetarian refreshments.The physical meaning that this formula is realized is to obtain in second area and own Range of luminance values (i.e. (the Y of formula the right denominator position of pixelmax-Ymin), with the brightness value Y of pixel iiWith second area Brightness value minimum value YminDifference make ratio with it, obtain relative position of its brightness in second area all the points overall brightness. In fact, being not limited to this formula, it also can be used in other embodiments and " obtain a certain brightness value in overall brightness value Other formula of relative position " same thought obtain this position data Ii
S5, I is utilizediRespective pixel point i ' is read from First ray, and the color value of the respective pixel point i ' is reflected It is mapped to the pixel i.
Mapping actual effect, which is equivalent to, caused by Color Mapping Approach described in present embodiment maintains illumination condition It is constant, on this basis by the color mapping of target area to source region, acquired results more true nature can be met Practical estimates effect.
Referring to Fig. 2, the structure diagram for color mapping device described in an embodiment of the present invention.Described device includes Luminance obtaining unit 1, sequencing unit 2, position data acquiring unit 3 and map unit 4;
The luminance obtaining unit 1 is used to obtain each pixel in first area and second according to predetermined luminance calculation formula The brightness value of each pixel in region;
The sequencing unit 2 is for according to the brightness value size of each pixel in first area, to first area, each pixel to be arranged Sequence, obtains First ray, also, to second area, each pixel sorts according to the brightness value size of each pixel of second area, Obtain the second sequence;
The position data acquiring unit 3 is used to obtain its position in the second sequence to one pixel i of second area Data Ii
The map unit 4 is used to utilize IiRespective pixel point i ' is read from First ray, and by the respective pixel The color value of point i ' is mapped to the pixel i.
Further, in the color mapping device, position data acquiring unit 3 obtains one pixel i of second area Take its position data I in the second areaiFormula be:
Ii=(Yi-Ymin)/(Ymax-Ymin), wherein, YiFor the brightness value of pixel i, YmaxAnd YminRespectively second area Maximum value and minimum value in the brightness value of each pixel.
Further, in the color mapping device, the predetermined luminance formula is specially:
Y=(4899*R+9617*G+1868*B+8192)/16384, wherein Y represent the brightness value of pixel, and R, G, B divide Not Biao Shi in RGB color model each color component of pixel value.
Further, in the color mapping device, sequencing unit 2 is big according to the brightness value of each pixel in first area The small sequence of each pixel to first area or according to the brightness value size of each pixel of second area to second area each pixel During sequence, the foundation of sequence is from big to small or is from small to large.
Further, in the color mapping device, sequencing unit 2 is big according to the brightness value of each pixel in first area Small pixel sequence each to first area, obtains First ray and specifically includes:It is big according to the brightness value of each pixel in first area Small pixel sequence each to first area, and colour table image is generated as First ray by ranking results.
Illustrate how above-mentioned color mapping device realizes color mapping function below with a specific implementation steps.This Flow includes the following steps:
S1, luminance obtaining unit 1 obtain each pixel in first area and second area according to predetermined luminance calculation formula The brightness value of each pixel;
In present embodiment, the predetermined luminance calculation formula that luminance obtaining unit 1 uses is formula below:Y= (4899*R+9617*G+1868*B+8192)/16384, wherein Y represent the brightness value of pixel, and R, G, B represent RGB face respectively The value of each color component of pixel in color model.In other embodiments, predetermined luminance calculation formula can also be existing skill Others calculate the formula of brightness according to the value of each color component of pixel in RGB color model in art, such as:
Y=0.2126R+0.7152G+0.0722B;Or
Y=0.33R+0.5G+0.16B;Or
Y=0.375R+0.5G+0.125B, etc..
In fact, the acquisition of brightness value can not also be confined to calculate using the RGB component value that RGB color model is provided Gained, it is of the prior art any brightness and chrominance separation to be all applied to the technology of the present invention side to obtain the method for brightness value In case, target area (i.e. the above first area) or source region (the secondth i.e. the above area are obtained to realize Domain) in pixel brightness purpose, for used in subsequent processing.
To first area, each pixel sorts according to the brightness value size of each pixel in first area for S2, sequencing unit 2, obtains To First ray;
To second area, each pixel sorts according to the brightness value size of each pixel of second area for S3, sequencing unit 2, obtains To the second sequence;
In present embodiment, the work of step S2 and step S3 that sequencing unit 2 is carried out all are to some region of each The brightness value size of pixel is ranked up, so point of actually two steps there is no priority, step S2 and S3 can be by 2 synchronization process of sequencing unit is handled with arbitrary precedence.
In addition, " sequence " described herein can also be the sequence of arbitrary standards carried out according to brightness value size, example If sorted or sorting from small to large or size interts sequence from big to small, need to ensure is only to obtain First ray and obtain Take standard based on the second sequence consistent.
In present embodiment, after sequencing unit 2 is ranked up the brightness value of each pixel of second area image, it can incite somebody to action Ranking results (pixel) generate a colour table image as the second sequence and colour table image is presented on front end is checked for user. Certainly, in other embodiment, after sequencing unit 2 generates the second sequence or First ray, these sequences can also be only It stores in the form of data and treats subsequent calls.
S4, position data acquiring unit 3 obtain its position data in the second sequence to one pixel i of second area Ii
In present embodiment, its position data I in the second area is obtained to one pixel i of second areaiFormula For:Ii=(Yi-Ymin)/(Ymax-Ymin), wherein, YiFor the brightness value of pixel i, YmaxAnd YminRespectively each picture of second area Maximum value and minimum value in the brightness value of vegetarian refreshments.The physical meaning that this formula is realized is to obtain in second area and own Range of luminance values (i.e. (the Y of formula the right denominator position of pixelmax-Ymin), with the brightness value Y of pixel iiWith second area Brightness value minimum value YminDifference make ratio with it, obtain relative position of its brightness in second area all the points overall brightness. In fact, being not limited to this formula, it also can be used in other embodiments and " obtain a certain brightness value in overall brightness value Other formula of relative position " same thought obtain this position data Ii
S5, map unit 4 utilize IiRespective pixel point i ' is read from First ray, and by the respective pixel point i's ' Color value is mapped to the pixel i.
Mapping actual effect, which is equivalent to, caused by color mapping device described in present embodiment maintains illumination condition It is constant, on this basis by the color mapping of target area to source region, acquired results more true nature can be met Practical estimates effect.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only include those Element, but also including other elements that are not explicitly listed or further include as this process, method, article or end The intrinsic element of end equipment.In the absence of more restrictions, limited by sentence " including ... " or " including ... " Element, it is not excluded that also there are other elements in the process including the element, method, article or terminal device.This Outside, herein, " being more than ", " being less than ", " being more than " etc. are interpreted as not including this number;" more than ", " following ", " within " etc. understandings It is to include this number.
It should be understood by those skilled in the art that, the various embodiments described above can be provided as method, apparatus or computer program production Product.The embodiment in terms of complete hardware embodiment, complete software embodiment or combination software and hardware can be used in these embodiments Form.All or part of step in the method that the various embodiments described above are related to can be instructed by program relevant hardware come It completes, the program can be stored in the storage medium that computer equipment can be read, for performing the various embodiments described above side All or part of step described in method.The computer equipment, including but not limited to:Personal computer, server, general-purpose computations It is machine, special purpose computer, the network equipment, embedded device, programmable device, intelligent mobile terminal, smart home device, wearable Smart machine, vehicle intelligent equipment etc.;The storage medium, including but not limited to:RAM, ROM, magnetic disc, tape, CD, sudden strain of a muscle It deposits, USB flash disk, mobile hard disk, storage card, memory stick, webserver storage, network cloud storage etc..
The various embodiments described above are with reference to method, equipment (system) and the computer program product according to embodiment Flowchart and/or the block diagram describes.It should be understood that it can be realized by computer program instructions every in flowchart and/or the block diagram The combination of flow and/or box in one flow and/or box and flowchart and/or the block diagram.These computers can be provided Program instruction is to the processor of computer equipment to generate a machine so that passes through the finger that the processor of computer equipment performs It enables generating and is used to implement what is specified in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes The device of function.
These computer program instructions may also be stored in the computer that computer equipment can be guided to work in a specific way and set In standby readable memory so that the instruction being stored in the computer equipment readable memory generates the manufacture for including command device Product, command device realization refer in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes Fixed function.
These computer program instructions can be also loaded on computer equipment so that performed on a computing device a series of To generate computer implemented processing, the instruction offer so as to perform on a computing device is used to implement in flow operating procedure The step of function of being specified in one flow of figure or multiple flows and/or one box of block diagram or multiple boxes.
Although the various embodiments described above are described, those skilled in the art once know basic wound The property made concept can then make these embodiments other change and modification, so the foregoing is merely the embodiment of the present invention, Not thereby the scope of patent protection of the present invention, every equivalent structure made using description of the invention and accompanying drawing content are limited Or equivalent process transformation, other related technical areas are directly or indirectly used in, are similarly included in the patent of the present invention Within protection domain.

Claims (8)

1. a kind of Color Mapping Approach, which is characterized in that include the following steps:
The brightness value of each pixel in first area and each pixel of second area is obtained according to predetermined luminance calculation formula;
According to each pixel sequence to first area of the brightness value size of each pixel in first area, First ray is obtained, also, According to each pixel sequence to second area of the brightness value size of each pixel of second area, the second sequence is obtained;
Its position data I in the second sequence is obtained to one pixel i of second areaiFormula be:Ii=(Yi-Ymin)/ (Ymax-Ymin), wherein, YiFor the brightness value of pixel i, YmaxAnd YminRespectively in the brightness value of each pixel of second area Maximum value and minimum value;
Utilize IiRespective pixel point i ' is read from First ray, and the color value of the respective pixel point i ' is mapped to described Pixel i.
2. Color Mapping Approach as described in claim 1, which is characterized in that the predetermined luminance formula is specially:
Y=(4899*R+9617*G+1868*B+8192)/16384, wherein Y represent the brightness value of pixel, R, G, B difference table Show the value of each color component of pixel in RGB color model.
3. Color Mapping Approach as described in claim 1, which is characterized in that big according to the brightness value of each pixel in first area The small sequence of each pixel to first area or according to the brightness value size of each pixel of second area to second area each pixel During sequence, the foundation of sequence is from big to small or is from small to large.
4. Color Mapping Approach as described in claim 1, which is characterized in that step is " according to the bright of each pixel in first area Each pixel sequence to first area of angle value size, obtains First ray " it specifically includes:
According to each pixel sequence to first area of the brightness value size of each pixel in first area, and color is generated by ranking results Plate image is as First ray.
5. a kind of color mapping device, which is characterized in that including luminance obtaining unit, sequencing unit, position data acquiring unit And map unit;
The luminance obtaining unit is used to obtain each pixel in first area and second area according to predetermined luminance calculation formula The brightness value of each pixel;
The sequencing unit is used to, according to each pixel sequence to first area of the brightness value size of each pixel in first area, obtain To First ray, also, according to the brightness value size of each pixel of second area, to second area, each pixel sorts, and obtains the Two sequences;
The position data acquiring unit is used to obtain its position data I in the second sequence to one pixel i of second areai Formula be:Ii=(Yi-Ymin)/(Ymax-Ymin), wherein, YiFor the brightness value of pixel i, YmaxAnd YminRespectively the secondth area Maximum value and minimum value in the brightness value of each pixel in domain;
The map unit is used to utilize IiRespective pixel point i ' is read from First ray, and by the respective pixel point i's ' Color value is mapped to the pixel i.
6. color mapping device as claimed in claim 5, which is characterized in that the predetermined luminance formula is specially:
Y=(4899*R+9617*G+1868*B+8192)/16384, wherein Y represent the brightness value of pixel, R, G, B difference table Show the value of each color component of pixel in RGB color model.
7. color mapping device as claimed in claim 5, which is characterized in that sequencing unit is according to each pixel in first area Brightness value size to first area the sequence of each pixel or according to the brightness value size of each pixel of second area to second area During each pixel sequence, the foundation of sequence is from big to small or is from small to large.
8. color mapping device as claimed in claim 5, which is characterized in that sequencing unit is according to each pixel in first area Each pixel sequence to first area of brightness value size, obtains First ray and specifically includes:
According to each pixel sequence to first area of the brightness value size of each pixel in first area, and color is generated by ranking results Plate image is as First ray.
CN201510239555.6A 2015-05-12 2015-05-12 Color Mapping Approach and device Active CN104899909B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510239555.6A CN104899909B (en) 2015-05-12 2015-05-12 Color Mapping Approach and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510239555.6A CN104899909B (en) 2015-05-12 2015-05-12 Color Mapping Approach and device

Publications (2)

Publication Number Publication Date
CN104899909A CN104899909A (en) 2015-09-09
CN104899909B true CN104899909B (en) 2018-06-15

Family

ID=54032553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510239555.6A Active CN104899909B (en) 2015-05-12 2015-05-12 Color Mapping Approach and device

Country Status (1)

Country Link
CN (1) CN104899909B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110781335A (en) * 2019-09-20 2020-02-11 深圳市元征科技股份有限公司 Light adjusting method, device and system
CN112037160B (en) * 2020-08-31 2024-03-01 维沃移动通信有限公司 Image processing method, device and equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1725868A (en) * 2005-07-14 2006-01-25 上海交通大学 Method for detecting GIF infomration hidden
EP2180461A1 (en) * 2008-10-23 2010-04-28 TPO Displays Corp. Method of color gamut mapping of color input values of input image pixels of an input image to RGBW output values for an RGBW display, display module, display controller and apparatus using such method
CN103340598A (en) * 2013-05-16 2013-10-09 李少文 Color card for human body, manufacturing method thereof and use method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100834762B1 (en) * 2006-09-29 2008-06-05 삼성전자주식회사 Method and apparatus for gamut mapping for cross medias
CN102542544A (en) * 2010-12-30 2012-07-04 北京大学 Color matching method and system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1725868A (en) * 2005-07-14 2006-01-25 上海交通大学 Method for detecting GIF infomration hidden
EP2180461A1 (en) * 2008-10-23 2010-04-28 TPO Displays Corp. Method of color gamut mapping of color input values of input image pixels of an input image to RGBW output values for an RGBW display, display module, display controller and apparatus using such method
CN103340598A (en) * 2013-05-16 2013-10-09 李少文 Color card for human body, manufacturing method thereof and use method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
图像着色技术研究及其在视频中的应用;韩真毅;《中国优秀硕士学位论文全文数据库(电子期刊)》;20120315;第四章4.2节 *

Also Published As

Publication number Publication date
CN104899909A (en) 2015-09-09

Similar Documents

Publication Publication Date Title
US10242589B2 (en) Makeup application assistance device, makeup application assistance method, and makeup application assistance program
EP2996087A2 (en) Image processing method and electronic apparatus
TW202234341A (en) Image processing method and device, electronic equipment and storage medium
JP2014149696A (en) Makeup support apparatus, makeup support method and makeup support program
CN104463938A (en) Three-dimensional virtual make-up trial method and device
CN108629339A (en) Image processing method and related product
CN104658030B (en) The method and apparatus of secondary image mixing
CN108305256B (en) Video keying processing method, processing unit and computer readable storage medium
CN105608699B (en) A kind of image processing method and electronic equipment
CN104952093B (en) Virtual hair colouring methods and device
CN109325990A (en) Image processing method and image processing apparatus, storage medium
WO2012078006A2 (en) Image processor, lighting processor and method therefor
CN109147023A (en) Three-dimensional special efficacy generation method, device and electronic equipment based on face
CN108460398A (en) Image processing method, device, cloud processing equipment and computer program product
CN107610239B (en) Virtual try-on method and device for facial makeup
WO2018177112A1 (en) Object rendering method, device, storage medium, and electronic device
CN111199573A (en) Virtual-real mutual reflection method, device, medium and equipment based on augmented reality
CN104899909B (en) Color Mapping Approach and device
CN109427038A (en) A kind of cell phone pictures display methods and system
CN105678208B (en) Extract the method and device of face texture
CN109445569A (en) Information processing method, device, equipment and readable storage medium storing program for executing based on AR
CN115965735B (en) Texture map generation method and device
CN110310357A (en) A kind of model interts processing method, device, calculates equipment and storage medium
CN113808246B (en) Method and device for generating map, computer equipment and computer readable storage medium
CN108898169A (en) Image processing method, picture processing unit and terminal device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant