CN105827897B - Adjust card manufacturing method, system, debugging color correction matrix method and apparatus - Google Patents
Adjust card manufacturing method, system, debugging color correction matrix method and apparatus Download PDFInfo
- Publication number
- CN105827897B CN105827897B CN201510790494.2A CN201510790494A CN105827897B CN 105827897 B CN105827897 B CN 105827897B CN 201510790494 A CN201510790494 A CN 201510790494A CN 105827897 B CN105827897 B CN 105827897B
- Authority
- CN
- China
- Prior art keywords
- color
- matrix
- lump
- correction matrix
- cards
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6077—Colour balance, e.g. colour cast correction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
- H04N1/6033—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/67—Circuits for processing colour signals for matrixing
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
Abstract
The present invention provides a kind of methods for debugging color correction matrix, obtain the rgb value of color lump on one 24 color adjustment cards, save as color of object matrix；The rgb value for obtaining color lump on picture to be adjusted saves as source color matrix；According to the color of object matrix and source color matrix, color correction matrix is calculated；The source color matrix is converted according to the color correction matrix, obtains samples pictures；According to the samples pictures and 24 color adjustment cards, the color correction matrix is debugged.The present invention also provides electronic equipments corresponding with the method for above-mentioned debugging color correction matrix.The present invention also provides the production methods and system of above-mentioned 24 color adjustment card.The method of debugging color correction matrix provided by the invention, debugs color correction matrix by using 24 color adjustment cards of above-mentioned production method production, the color restored can improve the debugging effect of color correction matrix close to color seen by person.
Description
Technical field
The present invention relates to color correction matrix debugging technique fields, and more particularly, to a kind of 24 color adjustment cards
Production method, system, the method and electronic equipment for debugging color correction matrix.
Background technique
The camera of current smart phone mostly uses greatly the mould group of undressed data RAW Data format, is transferred to mobile phone terminal
The method for carrying out color rendition using image processor ISP back-end processing afterwards.Wherein there is a CCM (Color
Correction Matrix, color correction matrix) debugging process is a link of all necessary mistake of each middle platform vendor.
But current essentially all of cell phone manufacturer, including platform quotient, CCM are substantially when debugging with a fixed electronics
24 colour charts of shelves shoot the RAW figure of mobile phone as target Target, then convert；Generate CCM parameter.
This 24 colour chart of electronics shelves fixed is usually the standard RGB coloured silk for pressing 24 colour atlas of international testing definition of mechanism
The electronics shelves that color rgb value is produced；But often join by the CCM that this fixed 24 colour atla of standard electronic shelves generates
Number is not the desired legitimate reading of manufacturer, because the color restored at present through CCM parameter cannot be close to face seen by person
Color.
Summary of the invention
The present invention provides the production method, system, the method and electronics for debugging color correction matrix of a kind of 24 color adjustment cards
Equipment is restored using the color correction matrix that 24 colour chart of electronics shelves of standard is debugged as target out in the prior art using solving
The problem of color come can not be close to color seen by person.
In a first aspect, the embodiment of the present invention provides a kind of production method of 24 color adjustment cards, comprising:
It takes pictures to the 24 colour standard cards in default photo environment, obtains the first image；
Obtained the first image is shown in preset standard display；
The control 24 colour standard cards in default photo environment, adjust the color lump in the first image
It is whole, make the solid colour for corresponding to color lump on the color lump and the 24 colour standard cards in default photo environment, is fitted
Answer 24 color adjustment cards of the default photo environment.
Second aspect, the present invention also provides a kind of manufacturing systems of 24 color adjustment cards, comprising:
Photo module obtains the first image for taking pictures to the 24 colour standard cards in default photo environment；
Display module, for that will be carried out by the first image that the photo module obtains in preset standard display
Display；
Module is adjusted, for compareing the 24 colour standard cards in default photo environment, to passing through the display mould
The color lump in the first image that block is shown is adjusted, and makes the color lump and 24 colors in default photo environment
The solid colour that color lump is corresponded on standard card obtains the 24 color adjustment cards for adapting to the default photo environment.
The third aspect, the present invention also provides a kind of 24 color adjustment cards using the production of above-mentioned production method to debug color school
The method of positive matrices, comprising:
The rgb value for obtaining color lump on the 24 color adjustment card, saves as color of object matrix；
The rgb value for obtaining color lump on picture to be adjusted saves as source color matrix；
According to the color of object matrix and source color matrix, color correction matrix is calculated；
The source color matrix is converted according to the color correction matrix, obtains samples pictures；
According to the samples pictures and 24 color adjustment cards, the color correction matrix is debugged.
Fourth aspect, the present invention also provides a kind of electronic equipment, the 24 color adjustment cards made of above-mentioned production method
Debug color correction matrix, comprising:
First processing module saves as color of object matrix for obtaining the rgb value of color lump on the 24 color adjustment card；
Second processing module saves as source color matrix for obtaining the rgb value of color lump on picture to be adjusted；
Computing module, the color of object for being respectively obtained according to the first processing module and Second processing module
Matrix and source color matrix, are calculated color correction matrix；
Conversion module, what the source color matrix for obtaining the Second processing module was obtained according to the computing module
Color correction matrix is converted, and samples pictures are obtained；
Debugging module, the samples pictures and 24 color adjustment cards for being obtained according to the conversion module are to the calculating mould
The color correction matrix that block obtains is debugged.
24 colors of the production method of the 24 color adjustment card provided by the invention by control in default photo environment
Standard card carries out the color lump in the first image (being taken pictures to the 24 colour standard cards in default photo environment)
Adjustment makes color lump and corresponds to the solid colour of color lump on 24 colour standard cards in default photo environment, it is default to obtain adaptation
24 color adjustment cards of photo environment, so that the color of 24 obtained color adjustment cards is truer, using 24 obtained color adjustment cards as mesh
Color correction matrix can be improved close to color seen by person by marking the color that the color correction matrix for debugging out restores
Debugging effect.
Detailed description of the invention
Fig. 1 is the production method flow diagram of 24 color adjustment cards of first embodiment of the invention；
Fig. 2 is the method flow schematic diagram of the debugging color correction matrix of second embodiment of the invention；
Fig. 3 is the method flow schematic diagram of the debugging color correction matrix of third embodiment of the invention；
Fig. 4 is the manufacturing system configuration diagram one of 24 color adjustment cards of fifth embodiment of the invention；
Fig. 5 is the manufacturing system configuration diagram two of 24 color adjustment cards of fifth embodiment of the invention；
Fig. 6 is the electronic devices structure schematic diagram one of sixth embodiment of the invention；
Fig. 7 is the electronic devices structure schematic diagram two of sixth embodiment of the invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention in view of the prior art in the colour correction debugging out as target using 24 colour chart of electronics shelves of standard
The problem of color that matrix restores can not be close to color seen by person, provides a variety of solutions, specific as follows:
First embodiment
As shown in Figure 1, the first embodiment of the present invention provides a kind of production method of 24 color adjustment cards, the production side
Method includes:
Step 101: taking pictures to the 24 colour standard cards in default photo environment, obtain the first image.
Wherein, default photo environment is preferably in the environment of lamp box irradiation.
Step 102: obtained the first image is shown in preset standard display.
Wherein, preset standard display is preferably that color difference is aobvious less than or equal to 100% greater than 99% less than 0.5, saturation degree
Show device.
Step 103: the control 24 colour standard cards in default photo environment are to the color lump in the first image
It is adjusted, makes the solid colour for corresponding to color lump on the color lump and the 24 colour standard cards in default photo environment,
Obtain adapting to 24 color adjustment cards of the default photo environment.
Wherein, the 24 colour standard cards in default photo environment are compareed in step 103, in the first image
The operation that is adjusted of color lump include: the control 24 colour standard cards in default photo environment, pass through picture editor
Software is adjusted the color lump in the first image.
Preferably, photo-editing software is chosen as PhotoShop or PhotoFiltre Studio X etc..
The first embodiment of the present invention is (right to the first image by 24 colour standard cards of the control in default photo environment
What the 24 colour standard cards in default photo environment were taken pictures) in color lump be adjusted, make color lump in pre-
If corresponding to the solid colour of color lump on 24 colour standard cards in photo environment, 24 color adjustments for adapting to default photo environment are obtained
Card, so that the color of 24 obtained color adjustment cards is truer, the color school for debugging out as target using 24 obtained color adjustment cards
The color that positive matrices restores can improve the debugging effect of color correction matrix close to color seen by person.
Second embodiment
As shown in Fig. 2, the second embodiment of the present invention provides production method described in a kind of above-mentioned first embodiment of use
The method of the 24 color adjustment cards debugging color correction matrix of production, which comprises
Step 201: obtaining the red-green-blue color rgb value of color lump on the 24 color adjustment card, save as color of object matrix；
Wherein, 24 color adjustment cards are arranged as 4 × 6 color lump matrix, and the color lump of last line is lime black, only brightness
It is different, it is possible to the rgb value of the color lump of upper three row is only obtained, the rgb value of color lump is corresponded on corresponding adjustment picture to be adjusted,
Namely color of object matrix can be 3 × 6 matrix.
Step 202: obtaining the rgb value of color lump on picture to be adjusted, save as source color matrix；
Wherein, the form of source color matrix is consistent with the form of color of object matrix, also for 3 × 6 matrix, and obtain
Color lump on the picture to be adjusted of rgb value is corresponding with the color lump on 24 color adjustment cards.
Step 203: according to the color of object matrix and source color matrix, color correction matrix is calculated；
Since color correction matrix is equal to color of object matrix, and known target color matrix and source multiplied by source color matrix
The specific data of color matrix, it is easy to obtain the concrete matrix data of color correction matrix.
Step 204: the source color matrix being converted according to the color correction matrix, obtains samples pictures；
In order to enable the solid colour of the picture to be adjusted and 24 adjustment cards converted by color correction matrix, needs to color
Correction matrix is adjusted, and the color lump on picture to be adjusted for exactly needing will acquire first is carried out by color correction matrix
Conversion.
Step 205: according to the samples pictures and 24 color adjustment cards, the color correction matrix being debugged.
Preferably, step 205 includes: in the color lump color in the samples pictures and the color lump on the 24 color adjustment card
When solid colour, saved the color correction matrix as target debugging result；Color lump in the samples pictures
When color lump color in color and the 24 color adjustment card has deviation, the color correction matrix is finely adjusted.
It is, needing to turn by color correction matrix to fast and effectively adjust color correction matrix
The color lump in samples pictures after changing is compared with the color lump on 24 color adjustment cards, according to comparing result to color correction matrix
Carry out corresponding adjustment.
Wherein, target debugging result is the color to call directly when carrying out image correction after rear camera intake image
Correction matrix data.
In addition, since color correction matrix is the 24 color adjustment cards made using production method described in above-mentioned first embodiment
Calculated data closer to realistic performance, need to adjust fewer, need to only be finely adjusted can reach so relatively accurate
Target effect.
From the foregoing, it will be observed that the second embodiment of the present invention made by using production method described in above-mentioned first embodiment 24
Color adjustment card debugs color correction matrix, so that the color correction matrix obtained for the first time is more accurate, close to realistic performance, debugging
Faster, debug time is shorter for speed, further also improves the debugging efficiency of camera.
3rd embodiment
Based on above-mentioned second embodiment, the 24 color adjustment cards made of production method described in above-mentioned first embodiment
The method of debugging color correction matrix includes: the rgb value for obtaining color lump on the 24 color adjustment card, saves as color of object square
Battle array；The rgb value for obtaining color lump on picture to be adjusted saves as source color matrix；According to the color of object matrix and source color
The color correction matrix is calculated in matrix；The source color matrix is converted according to the color correction matrix, is obtained
To samples pictures；In the color lump color in the samples pictures and the color lump solid colour on the 24 color adjustment card, by institute
Color correction matrix is stated to be saved as target debugging result；Color lump color and 24 tone in the samples pictures
When color lump color on whole card has deviation, the color correction matrix is finely adjusted.
In the third embodiment of the present invention, in the color lump color and the 24 color adjustment card in the samples pictures
When color lump color has deviation, after being finely adjusted to the color correction matrix, the method also includes: return is described will be described
The step of source color matrix is converted according to the color correction matrix, until color lump color and institute in the samples pictures
State the color lump solid colour on 24 color adjustment cards.
It is, as shown in figure 3, using production method described in above-mentioned first embodiment described in third embodiment of the invention
Production 24 color adjustment cards debugging color correction matrix method include:
Step 301: obtaining the rgb value of color lump on the 24 color adjustment card, save as color of object matrix.
Wherein, 24 color adjustment cards are arranged as 4 × 6 color lump matrix, and the color lump of last line is lime black, only brightness
It is different, it is possible to the rgb value of the color lump of upper three row is only obtained, the rgb value of color lump is corresponded on corresponding adjustment picture to be adjusted,
Namely color of object matrix can be 3 × 6 matrix.
Step 302: obtaining the rgb value of color lump on picture to be adjusted, save as source color matrix.
Wherein, the form of source color matrix is consistent with the form of color of object matrix, also for 3 × 6 matrix, and obtain
Color lump on the picture to be adjusted of rgb value is corresponding with the color lump on 24 color adjustment cards.Step 303: according to the color of object
Matrix and source color matrix, are calculated color correction matrix.
Since color correction matrix is equal to color of object matrix, and known target color matrix and source multiplied by source color matrix
The specific data of color matrix, it is easy to obtain the concrete matrix data of color correction matrix.
Step 304: the source color matrix being converted according to the color correction matrix, obtains samples pictures；Than
Whether the color lump color in the samples pictures and the color lump color on the 24 color adjustment card are consistent, if unanimously, executing
Step 305, if it is inconsistent, then follow the steps 306.
In order to enable the solid colour of the picture to be adjusted and 24 adjustment cards converted by color correction matrix, needs to color
Correction matrix is adjusted, and the color lump on picture to be adjusted for exactly needing will acquire first is carried out by color correction matrix
Conversion.
Step 305: being saved the color correction matrix as target debugging result.
This step is it is, in order to preserve for future use satisfactory color correction matrix；Target therein
Debugging result is the color correction matrix data to call directly when carrying out image correction after rear camera intake image.
Step 306: the color lump color in the color lump color and the 24 color adjustment card in the samples pictures has deviation
When, the color correction matrix is finely adjusted, return again to it is described by the source color matrix according to the color correction matrix
The step 304 converted, until the color lump color in the samples pictures and the color lump color one on the 24 color adjustment card
It causes, executes step 306.
This operation is in order to confirm to color correction matrix adjusted, to guarantee the colour correction after being adjusted
Solid colour on the picture of matrix conversion and 24 color adjustment cards, is more nearly true representation.
The third embodiment of the present invention passes through the 24 color adjustment cards using the production of production method described in above-mentioned first embodiment
Color correction matrix is debugged, so that debugging speed is faster, and the color school for being more nearly realistic performance can be obtained by fine tuning
Positive matrices improves the debugging effect of color correction matrix.
Fourth embodiment
The fourth embodiment of the present invention is by the production method to 24 color adjustment card provided by the above embodiment below, and adopts
The method of the 24 color adjustment cards debugging color correction matrix of the production of the production method described in above-mentioned first embodiment carries out specifically
It is bright.
In short, the purpose of fourth embodiment of the invention is to improve color correction matrix debugging process, is made close to true
Target when 24 color adjustment cards under real environment are debugged as color correction matrix so that color correction matrix is directly converted out
Compared with close to true 24 colour atla normal pictures, debugging effect accuracy and efficiency is promoted.
The fourth embodiment of the invention display excellent using a color representation, i.e., it is assorted to show over the display not partially
Color (color difference is small), saturation degree nearly 100%, insatiety and also not undersaturation (hereinafter referred to as standard indicator).
Using this display, the tone of 24 colour atlas in true lamp box environment, saturation degree, brightness are compared repeatedly by human eye
Etc. information, debug the color of 24 colour atla of electronics shelves on display repeatedly using PS, be allowed to see color representation one with human eye substantially
It causes, specific as follows:
Utilize D65 (alpine light in standard sources) environment in the electronic equipment shooting lamp box of performance standard color
Under 24 colour atlas, this 24 colour atla and lamp box are to debug the environment that color correction matrix is used.It is shone based on this 24 colour atla taken
Piece is imported into computer, connects standard indicator.This 24 colour atla of electronics shelves is opened using PhotoShop, compares 24 in lamp box
Colour atla is adjusted, and obtains 24 satisfied color adjustment cards.
In fact it is, actual environment under comparison lamp box D65 lamp, human eye this electronics shelves on contrast standard display repeatedly
Photo is corrected almost the same with finding repeatedly.Herein because final effect is close with actual effect, therefore without more objective quantization
Index indicates；The picture of performance standard color can also be introduced to do reference, the photo shot such as electronic equipment.
After completing above-mentioned adjustment, 24 color adjustment cards are imported in color correction matrix debugging software (by taking MT6752 as an example):
Target Target is set as the 24 color adjustment card of electronics shelves come out using standard indicator PS, sets gray scale curve
Gamma (brightness for the picture that adjustment sensor obtains)；
Source figure Source be set as RAW figure that practical mould group shoots (Processed RAW, to have removed dark current, and
Finish the RAW that LSC compensated-promoted four dark angular brightness)
After the completion, target saturation degree Saturation value is set, starts to generate color correction matrix；Ultimately generate out minimum
The color correction matrix of color difference and optimal color rendition.
Color correction matrix generating process:
24 color adjustment card of Target takes the R of 3 18 color lumps of row above, G, B value；Be stored in m (row: 6) × n (column: 3) ×
In the matrix of 3 (colors), the matrix for being simplified shown as k (k=m × n) × 3 is as follows:
[T_R1 T_G1 T_B1]
T=[T_R2 T_G2 T_B2]
[··· ··· ···]
[T_Rk T_Gk T_Bk]
Wherein [T_Ri, T_Gi, T_Bi] represents the value of the mean pixel RGB of the i-th color lump, this T is color of object matrix.
The matrix that color correction matrix is 3 × 3, is indicated with C.
Source is source figure (picture to be adjusted) each color lump rgb value matrix, is equally indicated with the matrix S of k × 3.
So conversion formula is: T=S × C, that is:
[T_R1 T_G1 T_B1] [S_R1 S_G1 S_B1] [C11 C12 C13]
T=[T_R2 T_G2 T_B2]=[S_R2 S_G2 S_B2] × [C21 C22 C23]
[··· ··· ···] [··· ··· ···] [C31 C32 C33]
[T_Rk T_Gk T_Bk] [S_Rk S_Gk S_Bk]
It is available in this way:
T_Ri=S_Ri × C11+S_Gi × C21+S_Bi × C31
T_Gi=S_Ri × C12+S_Gi × C22+S_Bi × C32
T_Bi=S_Ri × C13+S_Gi × C23+S_Bi × C33
Next, being easy for that the specific data of the Matrix C of color correction matrix can be obtained, details are not described herein.
From the foregoing, it will be observed that in former debugging process, it is substantially that there are some by the image that color correction matrix converts
It is too big that biggish deviation or saturation degree deviate too many or tone variation；Also need to do some color correction matrix tune manually
It is whole, so that the tone near the biggish tone of the deviation converted is furthered with saturation degree；The primary conversion of adjustment is primary, then with
The comparison of 24 color adjustment cards, moves in circles until obtained color correction matrix is met the requirements；And the embodiment of the present invention is taken to provide
Scheme after, this debugging process can be omitted or very quickly simple adjustment, and debug time, and energy is greatly saved
Enough improve the debugging effect of color correction matrix.
Generally speaking, the final purpose of color correction matrix is real output value of the reduction source figure after calibration calculates
Color difference colour cast；The present invention is exactly to improve according to the expected deviation requirement wanted close to actual scene, modify Target 24
The electronics shelves of colour atla, so that more accurate color correction matrix is obtained, so that each color lump average color difference of the photo of final output is more
It is small, closer to practical manifestation.
The scheme that the fourth embodiment of the present invention provides makes color correction matrix debugging speed fast, and color correction matrix turns
It is more acurrate to change matrix coefficient, color is more acurrate, can be rapidly achieved the purpose of color representation true effect, while also improving and taking the photograph
As the debugging efficiency of head.
5th embodiment
As shown in Figure 4 and Figure 5, the fifth embodiment of the present invention provides a kind of manufacturing system of 24 color adjustment cards, described
Manufacturing system includes:
Photo module 401 obtains the first figure for taking pictures to the 24 colour standard cards in default photo environment
Picture.
Wherein, default photo environment is preferably in the environment of lamp box irradiation.
Display module 402, for will be by the first image that the photo module obtains in preset standard display
It is shown.
Wherein, preset standard display is preferably that color difference is aobvious less than or equal to 100% greater than 99% less than 0.5, saturation degree
Show device.
Module 403 is adjusted, for compareing the 24 colour standard cards in default photo environment, to passing through the display
The color lump in the first image that module is shown is adjusted, and makes the color lump and 24 in default photo environment
The solid colour that color lump is corresponded on colour standard card obtains the 24 color adjustment cards for adapting to the default photo environment.
Wherein, described in default bat for compareing as shown in figure 5, adjustment module 403 includes: adjusting submodule 4031
According to 24 colour standard cards in environment, the color lump in the first image is adjusted by photo-editing software.
Preferably, photo-editing software is chosen as PhotoShop or PhotoFiltre Studio X etc..
24 colour standards of the system of the fifth embodiment of the present invention by the control of above-mentioned module in default photo environment
Block and the color lump in the first image (being taken pictures to the 24 colour standard cards in default photo environment) be adjusted,
Make the solid colour for corresponding to color lump on color lump and the 24 colour standard cards in default photo environment, obtains and adapt to default ring of taking pictures
The 24 color adjustment cards in border are debugged using 24 obtained color adjustment cards as target so that the color of 24 obtained color adjustment cards is truer
The color that color correction matrix out restores can improve the debugging of color correction matrix close to color seen by person
Effect.
It should be noted that the realization embodiment of the production method of above-mentioned 24 color adjustment card is suitable for 24 tone
In the embodiment of the manufacturing system of whole card, it can also reach identical technical effect.
Sixth embodiment
As shown in Figure 6 and Figure 7, the sixth embodiment of the present invention provides a kind of electronic equipment, implements using above-mentioned first
24 color adjustment cards of the example production method production debug color correction matrix, and the electronic equipment includes:
First processing module 601 saves as color of object square for obtaining the rgb value of color lump on the 24 color adjustment card
Battle array；
Wherein, 24 color adjustment cards are arranged as 4 × 6 color lump matrix, and the color lump of last line is lime black, only brightness
It is different, it is possible to the rgb value of the color lump of upper three row is only obtained, the rgb value of color lump is corresponded on corresponding adjustment picture to be adjusted,
Namely color of object matrix can be 3 × 6 matrix.
Second processing module 602 saves as source color matrix for obtaining the rgb value of color lump on picture to be adjusted；
Wherein, the form of source color matrix is consistent with the form of color of object matrix, also for 3 × 6 matrix, and obtain
Color lump on the picture to be adjusted of rgb value is corresponding with the color lump on 24 color adjustment cards.
Computing module 603, the target for being respectively obtained according to the first processing module and Second processing module
Color matrix and source color matrix, are calculated the color correction matrix；
Since color correction matrix is equal to color of object matrix, and known target color matrix and source multiplied by source color matrix
The specific data of color matrix, it is easy to obtain the concrete matrix data of color correction matrix.
Conversion module 604, the source color matrix for obtaining the Second processing module are obtained according to the computing module
To color correction matrix converted, obtain samples pictures；
In order to enable the solid colour of the picture to be adjusted and 24 adjustment cards converted by color correction matrix, needs to color
Correction matrix is adjusted, and the color lump on picture to be adjusted for exactly needing will acquire first is carried out by color correction matrix
Conversion.
Debugging module 605, samples pictures and 24 color adjustment cards by being obtained according to the conversion module are to based on described
The color correction matrix that module obtains is calculated to be debugged.
Preferably, the debugging module 605 includes:
Sub-module stored 6051, for the color lump color in the samples pictures and the color lump on the 24 color adjustment card
When solid colour, saved the color correction matrix as target debugging result.
Wherein, target debugging result is the color to call directly when carrying out image correction after rear camera intake image
Correction matrix data.
Submodule 6052 is finely tuned, for the color lump color in the samples pictures and the color lump on the 24 color adjustment card
When color has deviation, the color correction matrix is finely adjusted.
It is, successively executing operation in first processing module, Second processing module, computing module and conversion module
Afterwards, it can be sub-module stored and execute operation, be also possible to fine tuning submodule and execute operation.
In order to fast and effectively be adjusted to color correction matrix, after needing to convert by color correction matrix to
Color lump on adjustment picture is compared with the color lump on 24 color adjustment cards, is carried out pair according to comparing result to color correction matrix
It should adjust.
In addition, since color correction matrix is the 24 color adjustment cards made using production method described in above-mentioned first embodiment
Calculated data closer to realistic performance, need to adjust fewer, need to only be finely adjusted can reach so relatively accurate
Target effect.
From the foregoing, it will be observed that the sixth embodiment of the present invention made by using production method described in above-mentioned first embodiment 24
Color adjustment card debugs color correction matrix, so that the color correction matrix obtained for the first time is more accurate, close to realistic performance, debugging
Faster, debug time is shorter for speed, further also improves the debugging efficiency of camera.
In addition, in order to confirm to color correction matrix adjusted, to guarantee the colour correction square after being adjusted
Solid colour on the picture and 24 color adjustment cards of battle array conversion, is more nearly true representation, as shown in fig. 7, the of the invention the 6th
Electronic equipment described in embodiment further include: third processing module 606 is used for after the fine tuning submodule executes operation,
The operation for converting the source color matrix according to the color correction matrix is returned to, until in the samples pictures
Color lump color and the 24 color adjustment card on color lump solid colour.
It is, successively executing operation in first processing module, Second processing module, computing module and conversion module
Afterwards, if fine tuning submodule executes operation, then by third processing module return it is described by the source color matrix according to the color
The operation that correction matrix is converted, then operation is executed by sub-module stored or fine tuning submodule, until the samples pictures
On color lump color and the 24 color adjustment card on color lump solid colour.
The electronic equipment of the sixth embodiment of the present invention utilizes production side described in above-mentioned first embodiment by above-mentioned module
24 color adjustment cards of method production debug color correction matrix, so that debugging speed is faster, and more adjunction can be obtained by fine tuning
The color correction matrix of nearly realistic performance, improves the debugging effect of color correction matrix.
It should be noted that the above-mentioned 24 color adjustment cards using the production of production method described in above-mentioned first embodiment debug color
The realization embodiment of the method for correction matrix can also reach identical skill suitable for the embodiment of the electronic equipment
Art effect.Wherein, which can be the smart machines such as digital camera, smart phone, tablet computer, herein no longer in detail
It states.
This many functional component described in this description is all referred to as module/submodule, specifically to emphasize
The independence of its implementation.
In the embodiment of the present invention, module/submodule can use software realization, to be executed by various types of processors.
For example, the executable code module of a mark may include the one or more physics or logic of computer instruction
Block, for example, it can be built as object, process or function.Nevertheless, the executable code of institute's mark module is not necessarily to
It is physically located together, but may include the different instructions being stored in different positions, combined when in these command logics
When together, constitutes module and realize the regulation purpose of the module.
In fact, executable code module can be the either many item instructions of individual instructions, and can even be distributed
It on multiple and different code segments, is distributed in distinct program, and is distributed across multiple memory devices.Similarly, it grasps
Making data can be identified in module, and can realize according to any form appropriate and be organized in any appropriate class
In the data structure of type.The operation data can be used as individual data collection and be collected, or can be distributed on different location
(including in different storage device), and at least partly can only be present in system or network as electronic signal.
When module can use software realization, it is contemplated that the level of existing hardware technique, it is possible to implemented in software
Module, without considering the cost, those skilled in the art can build corresponding hardware circuit to realize correspondence
Function, the hardware circuit includes conventional ultra-large integrated (VLSI) circuit or gate array and such as logic core
The existing semiconductor of piece, transistor etc either other discrete elements.Module can also use programmable hardware device, such as
Field programmable gate array, programmable logic array, programmable logic device etc. are realized.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, under the premise of not departing from principle of the present invention, can also make several improvements and retouch, these improvements and modifications should also regard
For protection scope of the present invention.
Claims (12)
1. a kind of production method of 24 color adjustment cards characterized by comprising
It takes pictures to the 24 colour standard cards in default photo environment, obtains the first image；
Obtained the first image is shown in preset standard display；
The control 24 colour standard cards in default photo environment, are adjusted the color lump in the first image, make
The solid colour that color lump is corresponded on the color lump and the 24 colour standard cards in default photo environment, obtains described in adaptation
24 color adjustment cards of default photo environment；
Wherein, the 24 color adjustment card is 24 color adjustment card of electronics shelves；
24 colour standard cards described in the control in default photo environment, are adjusted the color lump in the first image
The step of include:
The control 24 colour standard cards in default photo environment, by photo-editing software in the first image
Color lump is adjusted.
2. manufacturing method according to claim 1, which is characterized in that the preset standard display be color difference less than 0.5,
Saturation degree is greater than 99% display for being less than or equal to 100%.
3. manufacturing method according to claim 1, which is characterized in that the default photo environment is to irradiate in lamp box
Environment.
4. a kind of manufacturing system of 24 color adjustment cards characterized by comprising
Photo module obtains the first image for taking pictures to the 24 colour standard cards in default photo environment；
Display module, for showing the first image obtained by the photo module in preset standard display
Show；
Module is adjusted, for compareing the 24 colour standard cards in default photo environment, to aobvious by the display module
The color lump in the first image shown is adjusted, and makes the color lump and 24 colour standards in default photo environment
The solid colour that color lump is corresponded on card obtains the 24 color adjustment cards for adapting to the default photo environment；
Wherein, the 24 color adjustment card is 24 color adjustment card of electronics shelves；
The adjustment module includes:
Adjusting submodule passes through photo-editing software pair for compareing the 24 colour standard cards in default photo environment
Color lump in the first image is adjusted.
5. manufacturing system according to claim 4, which is characterized in that the preset standard display be color difference less than 0.5,
Saturation degree is greater than 99% display for being less than or equal to 100%.
6. manufacturing system according to claim 4, which is characterized in that the default photo environment is to irradiate in lamp box
Environment.
7. a kind of 24 color adjustment cards using the production of production method described in any one of the claims 1 to 3 debug color school
The method of positive matrices characterized by comprising
The rgb value for obtaining color lump on the 24 color adjustment card, saves as color of object matrix；
The rgb value for obtaining color lump on the first image saves as source color matrix；
According to the color of object matrix and source color matrix, color correction matrix is calculated；
The source color matrix is converted according to the color correction matrix, obtains samples pictures；
According to the samples pictures and 24 color adjustment cards, the color correction matrix is debugged.
8. the method according to the description of claim 7 is characterized in that described according to the samples pictures and 24 color adjustment cards,
The step of debugging to the color correction matrix include:
In the color lump color in the samples pictures and the color lump solid colour on the 24 color adjustment card, by the color school
Positive matrices is saved as target debugging result；
When the color lump color in the color lump color and the 24 color adjustment card in the samples pictures has deviation, to the color
Correction matrix is finely adjusted.
9. according to the method described in claim 8, it is characterized in that, color lump color in the samples pictures and 24 color
When color lump color on adjustment card has deviation, after being finely adjusted to the color correction matrix, the method also includes:
Described the step of being converted the source color matrix according to the color correction matrix is returned to, until the sample graph
Color lump solid colour in the color lump color of on piece and the 24 color adjustment card.
10. a kind of electronic equipment, the 24 color adjustment cards made of production method described in any one of the claims 1 to 3
Debug color correction matrix characterized by comprising
First processing module saves as color of object matrix for obtaining the rgb value of color lump on the 24 color adjustment card；
Second processing module saves as source color matrix for obtaining the rgb value of color lump on the first image；
Computing module, the color of object matrix for being respectively obtained according to the first processing module and Second processing module
With source color matrix, color correction matrix is calculated；
Conversion module, the color that the source color matrix for obtaining the Second processing module is obtained according to the computing module
Correction matrix is converted, and samples pictures are obtained；
Debugging module, samples pictures and 24 color adjustment cards for being obtained according to the conversion module obtain the computing module
To color correction matrix debugged.
11. electronic equipment according to claim 10, which is characterized in that the debugging module includes:
Sub-module stored, for the color lump color in the samples pictures and the color lump solid colour on the 24 color adjustment card
When, it is saved the color correction matrix as target debugging result；
Submodule is finely tuned, is had partially for the color lump color in the samples pictures and the color lump color on the 24 color adjustment card
When poor, the color correction matrix is finely adjusted.
12. electronic equipment according to claim 11, which is characterized in that the electronic equipment further include:
Third processing module, for returning described by the source color matrix root after the fine tuning submodule executes operation
According to the operation that the color correction matrix is converted, until color lump color and the 24 color adjustment card in the samples pictures
On color lump solid colour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790494.2A CN105827897B (en) | 2015-11-16 | 2015-11-16 | Adjust card manufacturing method, system, debugging color correction matrix method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790494.2A CN105827897B (en) | 2015-11-16 | 2015-11-16 | Adjust card manufacturing method, system, debugging color correction matrix method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105827897A CN105827897A (en) | 2016-08-03 |
| CN105827897B true CN105827897B (en) | 2019-06-07 |
Family
ID=56514611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510790494.2A Active CN105827897B (en) | 2015-11-16 | 2015-11-16 | Adjust card manufacturing method, system, debugging color correction matrix method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105827897B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274948B (en) * | 2017-07-17 | 2021-03-26 | 深圳市道通智能航空技术有限公司 | Image color correction method, device, storage medium and computer equipment |
| CN108600723A (en) * | 2018-07-20 | 2018-09-28 | 长沙全度影像科技有限公司 | A kind of color calibration method and evaluation method of panorama camera |
| CN110830778B (en) * | 2018-08-14 | 2021-05-14 | 杭州海康威视数字技术股份有限公司 | Imaging device color correction method, imaging device color correction device, electronic device and storage medium |
| CN111480331A (en) * | 2018-08-24 | 2020-07-31 | 华为技术有限公司 | Color correction method and device |
| WO2020097802A1 (en) * | 2018-11-13 | 2020-05-22 | 华为技术有限公司 | Image colour correction method and device, and storage medium |
| CN109636728A (en) * | 2018-12-24 | 2019-04-16 | 天津天地伟业信息***集成有限公司 | A kind of color calibration method of image mosaic |
| US11727476B2 (en) * | 2020-01-22 | 2023-08-15 | Lydia Ann Colby | Color rendering |
| CN111369924A (en) * | 2020-03-10 | 2020-07-03 | 海的电子科技(苏州)有限公司 | Display screen color measurement system based on photodiode and test method thereof |
| CN111640161B (en) * | 2020-07-09 | 2022-07-12 | 上海紫恩数码科技有限公司 | Method for manufacturing true material color card |
| CN112839216B (en) * | 2021-01-13 | 2022-07-19 | 合肥埃科光电科技股份有限公司 | Image color correction method and device |
| CN113542593B (en) * | 2021-06-16 | 2023-04-07 | 深圳市景阳科技股份有限公司 | Image processing method and device and terminal equipment |
| CN113676712B (en) * | 2021-06-25 | 2023-08-01 | 浙江大华技术股份有限公司 | Color correction method and related device thereof |
| CN113506332B (en) * | 2021-09-09 | 2021-12-17 | 北京的卢深视科技有限公司 | Target object identification method, electronic device and storage medium |
| CN115456894A (en) * | 2022-09-02 | 2022-12-09 | 北京墨境天合数字图像科技有限公司 | Video production color correction method, device, equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11178013A (en) * | 1997-12-11 | 1999-07-02 | Toppan Printing Co Ltd | Color adjustment chart for self-emitting type color display device |
| CN102158727A (en) * | 2011-03-31 | 2011-08-17 | 惠州Tcl移动通信有限公司 | Method and system for detecting color reducibility of camera of mobile phone |
| CN102572206A (en) * | 2010-12-31 | 2012-07-11 | 比亚迪股份有限公司 | Color correction method |
| CN104219511A (en) * | 2013-06-03 | 2014-12-17 | 鸿富锦精密工业（深圳）有限公司 | Color correction system and method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244790A (en) * | 2011-06-27 | 2011-11-16 | 展讯通信（上海）有限公司 | Device and method for adaptively adjusting supporting parameters of image signal processor |
| US20140168253A1 (en) * | 2012-12-18 | 2014-06-19 | Canon Kabushiki Kaisha | Color processing apparatus and method |
| CN103079076B (en) * | 2013-01-22 | 2015-04-08 | 无锡鸿图微电子技术有限公司 | Method and device for generating color calibration matrix of self-adaption gamma calibration curve |
| CN104316192B (en) * | 2014-10-27 | 2016-08-24 | 京东方科技集团股份有限公司 | The method of testing of image displaying quality, test platform and system |
-
2015
- 2015-11-16 CN CN201510790494.2A patent/CN105827897B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11178013A (en) * | 1997-12-11 | 1999-07-02 | Toppan Printing Co Ltd | Color adjustment chart for self-emitting type color display device |
| CN102572206A (en) * | 2010-12-31 | 2012-07-11 | 比亚迪股份有限公司 | Color correction method |
| CN102158727A (en) * | 2011-03-31 | 2011-08-17 | 惠州Tcl移动通信有限公司 | Method and system for detecting color reducibility of camera of mobile phone |
| CN104219511A (en) * | 2013-06-03 | 2014-12-17 | 鸿富锦精密工业（深圳）有限公司 | Color correction system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105827897A (en) | 2016-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105827897B (en) | Adjust card manufacturing method, system, debugging color correction matrix method and apparatus | |
| CN105409211B (en) | For the automatic white balance positive with skin-color adjustment of image procossing | |
| CN102420944B (en) | High dynamic-range image synthesis method and device | |
| US8531573B2 (en) | Digital camera and operating method thereof | |
| CN111292246B (en) | Image color correction method, storage medium, and endoscope | |
| CN105338334B (en) | The calibration method and system of camera in mobile terminal | |
| CN109191403A (en) | Image processing method and device, electronic equipment, computer readable storage medium | |
| CN102469265B (en) | Image capturing apparatus and image capturing method | |
| CN108632537A (en) | Control method and device, imaging device, computer equipment and readable storage medium storing program for executing | |
| CN109246354A (en) | Image processing method and device, electronic equipment, computer readable storage medium | |
| CN103268596B (en) | A kind of method for reducing picture noise and making color be near the mark | |
| CN101742336B (en) | Image processing apparatus and image processing method | |
| CN110213502A (en) | Image processing method, device, storage medium and electronic equipment | |
| CN107396079B (en) | White balance adjustment method and device | |
| CN108540716A (en) | Image processing method, device, electronic equipment and computer readable storage medium | |
| CN107509044A (en) | Image combining method, device, computer-readable recording medium and computer equipment | |
| CN108632512A (en) | Image processing method, device, electronic equipment and computer readable storage medium | |
| CN112164005A (en) | Image color correction method, device, equipment and storage medium | |
| CN108616700A (en) | Image processing method and device, electronic equipment, computer readable storage medium | |
| CN109242794A (en) | Image processing method, device, electronic equipment and computer readable storage medium | |
| CN106327444B (en) | One kind is for color synthetic method and device in high dynamic range images synthesis | |
| CN104869319B (en) | Image treatment method and image processor | |
| US20160050357A1 (en) | Imaging device shooting a common subject in synchronization with other imaging devices | |
| CN107424117A (en) | Image U.S. face method, apparatus, computer-readable recording medium and computer equipment | |
| US9854218B2 (en) | Electronic system and image processing method |
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 | ||
| GR01 | Patent grant |