CN115798374A - System and method for carrying out on-site real-time color matching based on BoxIO - Google Patents
System and method for carrying out on-site real-time color matching based on BoxIO Download PDFInfo
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Abstract
The invention discloses a method for carrying out on-site real-time color matching based on a BoxIO, which comprises the following steps: measuring a display index of an image in the display equipment and a parameter corresponding to the chromaticity of a display screen after inputting an image needing color mixing based on a BoxIO color control box connected with the display equipment to obtain corresponding parameter data; calculating the corresponding parameter data in the LUT running software, and acquiring the LUT data through calculation; the boxIO color control box is connected with the display device, the LUT data is adjusted based on real-time color matching software, new LUT data is generated after adjustment, the new LUT data is transmitted to the display device terminal, and the display device terminal displays the picture subjected to field real-time color matching. Professional color correction is carried out through the BoxIO color control box, so that the on-site efficient real-time color matching function is realized, and the color transmission and color management of a shooting site are facilitated.
Description
Technical Field
The invention relates to the technical field of color management, in particular to a system and a method for carrying out on-site real-time color matching based on a BoxIO.
Background
At present, some high-end brands or high-end product lines can perform factory color management (only aiming at white balance) on display equipment, but gradually attenuate along with the influence of factors such as use time, use environment and the like to influence the color accuracy; therefore, the accuracy of delivery is not enough, and daily color management is also needed;
with the rapid development of related color matching technologies, the accuracy of color transmission becomes crucial, and in addition, signal acquisition and daily color management of digital equipment become more convenient and faster, so a system for on-site real-time color matching is urgently required to be built for the accuracy and stability of colors.
Disclosure of Invention
The invention provides a system and a method for carrying out on-site real-time color matching based on a BoxIO (BoxIO) to solve the problems that some high-end brands or high-end product lines can carry out factory color management (only aiming at white balance) on display equipment at present in the prior art, but gradually attenuate along with the influence of factors such as use time and use environment and the like to influence the color correctness; therefore, the accuracy of delivery is not enough, and daily color management is also needed; with the rapid development of related color matching technologies, the accuracy of color transmission becomes crucial, and signal acquisition and daily color management of digital equipment become more and more convenient and faster, so that the problem that a system for on-site real-time color matching is urgently needed to be built for the accuracy and stability of colors is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the method for carrying out on-site real-time color matching based on the boxIO is characterized by comprising the following steps:
s101: based on a BoxIO color control box, measuring a display index of an image in display equipment and a parameter corresponding to the chromaticity of a display screen after the image needing color mixing is input, and acquiring corresponding parameter data;
s102: calculating the corresponding parameter data in the LUT running software, and acquiring the LUT data through calculation;
s103: and adjusting the LUT data based on real-time color matching software, generating new LUT data after adjustment, transmitting the new LUT data to a display equipment terminal, and displaying the picture subjected to field real-time color matching by the display equipment terminal.
Wherein the step S101 includes:
s1011: based on the BoxIO, measuring the display index in the current display index operation system software of the BoxIO to acquire display index data, wherein the display index data comprises: color temperature, brightness, and gamma;
s1012: measuring display parameters of a chromaticity standard color block of the display screen based on a colorimeter, and acquiring display parameter data;
s1013: and preprocessing the display index data and the display parameter data to obtain a target measurement data set.
Wherein the step S102 includes:
s1021: processing the target mapping data set by using a matrix algorithm in LUT running software according to an international display standard to obtain a conversion matrix corresponding to brightness and chroma;
s1022: and constructing an LUT file based on the conversion matrix corresponding to the brightness and the chroma, and storing the LUT file in an LUT memory bank.
Wherein the step S103 includes:
s1031: editing the LUT file by using LUT operating software to obtain controllable color difference;
s1032: in a controllable color difference range, carrying out on-site real-time color matching processing on original color data transmitted by a video signal receiver through real-time color matching software;
s1033: in the field real-time color matching process, real-time color matching software analyzes the LUT file and then calls corresponding colors in the LUT data, the color data in the original image is adjusted based on the called colors, and the corresponding color matching result is displayed at the terminal of the display device after the corresponding color matching result is obtained.
Wherein the step S1032 includes:
creating a color level library based on a color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning;
and carrying out on-site real-time color matching on the original color data transmitted by the video signal receiver through real-time color matching software based on the divided graded color matching, adding the color-matched data to a rendering queue for previewing after the on-site real-time color matching is finished, and storing in a file form after confirming the color matching result through previewing.
System for on-spot real-time mixing of colors based on boxIO includes:
the measurement data acquisition unit is used for measuring the display index of the image in the display equipment and the parameter corresponding to the chromaticity of the display screen after the image needing color mixing is input based on the boxIO color control box, and acquiring corresponding parameter data;
the LUT operation software unit is used for operating the corresponding parameter data in the LUT operation software and acquiring the LUT data through operation;
and the real-time color matching software unit is used for adjusting the LUT data based on the real-time color matching software, generating new LUT data after adjustment, transmitting the new LUT data to the display equipment terminal, and displaying the picture subjected to field real-time color matching by the display equipment terminal.
Wherein the measurement data acquisition unit includes:
the measurement data acquisition first subunit is configured to measure, based on the BoxIO, a display index in display index operating system software of the current BoxIO, and acquire display index data, where the display index data includes: color temperature, brightness, and gamma;
the measurement data acquisition second subunit is used for measuring the display parameters of the chromaticity standard color block of the display screen based on the colorimeter and acquiring display parameter data;
the measurement data acquisition third subunit is used for preprocessing the display index data and the display parameter data to acquire a target measurement data set.
Wherein the LUT running software unit comprises:
the LUT running software first subunit is used for processing the target mapping quantity data set by using a matrix algorithm in the LUT running software according to the international display standard to obtain a conversion matrix corresponding to brightness and chromaticity;
the second subunit of the LUT operating software is used for constructing an LUT file based on the conversion matrix corresponding to the brightness and the chromaticity, and storing the LUT file in an LUT storage bank.
Wherein the real-time toning software unit comprises:
the real-time color matching software first subunit is used for editing the LUT file by using LUT running software to acquire controllable color difference;
the second subunit of the real-time color matching software is used for carrying out on-site real-time color matching processing on the original color data transmitted by the video signal receiver through the real-time color matching software within the controllable color difference range;
and the third subunit of the real-time color matching software is used for analyzing the LUT file and calling the corresponding color in the LUT data by the real-time color matching software in the field real-time color matching processing process, adjusting the color data in the original image based on the called color, and displaying the corresponding color matching result on the display equipment terminal after the corresponding color matching result is obtained.
Wherein, the second subunit of the real-time toning software comprises: a color balance controller;
creating a color level library based on a color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning;
based on the divided graded color matching, the original color data transmitted by the video signal receiver is subjected to on-site real-time color matching through real-time color matching software, the color-matched data is added to a rendering queue for previewing after the on-site real-time color matching is finished, and the color matching result is confirmed through previewing and then stored in a file form.
Compared with the prior art, the invention has the following advantages:
the method for carrying out on-site real-time color matching based on the BoxIO comprises the following steps: based on a BoxIO color control box, measuring a display index of an image in display equipment and a parameter corresponding to chromaticity of a display screen after inputting an image needing color mixing to obtain corresponding parameter data; calculating the corresponding parameter data in the LUT running software, and acquiring the LUT data through calculation; and adjusting the LUT data based on real-time color matching software, generating new LUT data after adjustment, transmitting the new LUT data to a display equipment terminal, and displaying the picture subjected to field real-time color matching by the display equipment terminal. Professional color correction is carried out through the boxIO color control box, so that the on-site efficient real-time color matching function is realized, and the color transmission and color management on the shooting site are facilitated.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flowchart of a method for performing on-site real-time color matching based on BoxIO in an embodiment of the present invention;
FIG. 2 is a flowchart of measured data in a method for performing on-site real-time color matching based on BoxIO according to an embodiment of the present invention;
fig. 3 is a flowchart of LUT data acquisition in the method for performing field real-time color matching based on BoxIO in the embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a system and a method for performing field real-time color matching based on a BoxIO (BoxIO), and referring to FIGS. 1-3, the method for performing field real-time color matching based on the BoxIO comprises the following steps:
s101: based on a BoxIO color control box, measuring a display index of an image in the color control box and a parameter corresponding to the chromaticity of a display screen after the image needing color mixing is input, and acquiring corresponding parameter data;
s102: calculating the corresponding parameter data in the LUT running software, and acquiring the LUT data through calculation;
s103: and adjusting the LUT data based on real-time color matching software, generating new LUT data after adjustment, connecting the boxIO color control box with a display device terminal, transmitting the new LUT data to the display device terminal, and displaying the picture subjected to field real-time color matching by the display device terminal.
The working principle of the technical scheme is as follows: the boxIO color control box belongs to an advanced color management device, and is connected with corresponding control program and color management program through corresponding interfaces, wherein, the corresponding interfaces include: two groups of input and output interfaces, a looped-out 3G-SDI interface and a Mini-DP interface; the method comprises the following steps that an IP Remote Utilities control program is selected as a corresponding control program, monitoring of real-time brightness and vector waveforms of videos is achieved through the control program, a BoxIO color control box comprises a plurality of LUT storage areas, each LUT storage area can store 16 LUT files at most, and LUT data obtained through operation and rapid preview of picture effects in the process of real-time color matching of images can be checked through a display equipment terminal;
the real-time mixing of colors flow of on-the-spot efficient is realized to real-time mixing of colors software of box collocation color control box, through collocation color management software, carries out professional color correction to the terminal, and wherein, real-time mixing of colors software includes: QTake, scratch, liveGrade PRO, firePlay;
the device comprises a BoxIO color control box, a display device, a digital image processing (LUT) and a digital image processing (BOxIO) module, wherein the BoxIO color control box is connected with the display device, supports 3D and 1DLUT, and has an image control function for correction, field color matching and LUT-based operation; the BoxIO is equipped with an integrated test pattern generator, and can generate a test sequence manually or automatically generate a test pattern by using LightSpace or CalMAN correction software. 3D LUT correction can be easily and quickly carried out only by matching the probe with the LightSpace or CalMAN software through the BoxIO; RAW format grabbed frames, self-contained in BoxIO, may be displayed through a frame call function that may be used in a number of practical scenarios, including viewing reference still frames in a scene environment, displaying complex test patterns, and making new style previews on previously grabbed content. The frame can be loaded quickly through connected display equipment, and can also be directly loaded from 16 memory slots of the boxIO, so that faster frame calling is realized.
The beneficial effects of the above technical scheme are: based on a BoxIO color control box, after an image needing color mixing is input, measuring a display index of the image in display equipment (the display equipment comprises a monitor, an LED large screen, a display, a television and the like) and a parameter corresponding to the chromaticity of the display screen, and acquiring corresponding parameter data; calculating the corresponding parameter data in the LUT running software, and acquiring the LUT data through calculation; and adjusting the LUT data based on real-time color matching software, generating new LUT data after adjustment, transmitting the new LUT data to a display equipment terminal, and displaying the picture subjected to field real-time color matching by the display equipment terminal. Professional color correction is carried out through the BoxIO color control box, so that the on-site efficient real-time color matching function is realized, and the color transmission and color management of a shooting site are facilitated.
In another embodiment, the S101 step includes:
s1011: based on the BoxIO, measuring the display index in the current display index operation system software of the BoxIO to acquire display index data, wherein the display index data comprises: color temperature, brightness, and gamma;
s1012: measuring display parameters of a chromaticity standard color block of the display screen based on a colorimeter, and acquiring display parameter data;
s1013: and preprocessing the display index data and the display parameter data to obtain a target map data set.
The working principle of the technical scheme is as follows: based on the BoxIO, measuring the display index in the current display index operation system software of the BoxIO to acquire display index data, wherein the display index data comprises: color temperature, brightness and gamma, wherein the gamma value is adjusted by a program, and the gamma value of the liquid crystal control center is obtained by detection; measuring display parameters of a chromaticity standard color block of the display screen based on a colorimeter, and acquiring display parameter data; and preprocessing the display index data and the display parameter data to obtain a target measurement data set.
Abnormal data exist in the acquired display index data and the acquired display parameter data, wherein the abnormal data comprise loss, outliers, noise and deviation, the lost data are data loss caused by the fact that a measuring instrument fails in the data measuring process, recorded data are NULL or 0, and the measured data deviate from real load data. The measured data is subjected to clustering algorithm and standardization processing, abnormal data are removed, finally standardized data are obtained, the standardized data are subjected to standardization processing, the influence of the measured data on a clustering result due to overlarge magnitude difference is avoided, and the influence of the data size on clustering analysis can be eliminated.
The beneficial effects of the above technical scheme are: based on the BoxIO, measuring the display index in the current display index operation system software of the BoxIO to acquire display index data, wherein the display index data comprises: color temperature, brightness, and gamma; measuring display parameters of a chromaticity standard color block of the display screen based on a colorimeter, and acquiring display parameter data; and preprocessing the display index data and the display parameter data to obtain a target measurement data set. Corresponding data are obtained through measurement, and feasibility data are provided for realizing a field efficient real-time color matching function.
In another embodiment, the S102 step includes:
s1021: processing the target measurement data set by using a matrix algorithm in LUT running software according to an international display standard to obtain a conversion matrix corresponding to brightness and chromaticity;
s1022: and constructing an LUT file based on the conversion matrix corresponding to the brightness and the chroma, and storing the LUT file in an LUT memory bank.
The working principle of the technical scheme is as follows: processing the target measurement data set by using a matrix algorithm in LUT running software according to an international display standard to obtain a conversion matrix corresponding to brightness and chromaticity; and constructing an LUT file based on a conversion matrix corresponding to the brightness and the chromaticity, presetting a judgment condition after constructing the LUT file, presetting the judgment on the LUT file, if the judgment condition is met, updating the LUT file and storing the LUT file in an LUT storage bank, and if the judgment condition is not met, discarding the LUT file.
The preset judgment setting condition is that a comparison result is obtained by extracting some parameters in the LUT file, comparing the corresponding parameters with preset values, comparing the data format, the data length and the data verification information of the LUT file with the preset corresponding conditions, if the comparison result is matched with the preset conditions, the comparison result is in accordance with the preset conditions, and if the comparison result is not matched with the preset conditions, the comparison result is not in accordance with the preset conditions.
The beneficial effects of the above technical scheme are: processing the target measurement data set by using a matrix algorithm in LUT running software according to an international display standard to obtain a conversion matrix corresponding to brightness and chromaticity; and constructing an LUT file based on the conversion matrix corresponding to the brightness and the chroma, and storing the LUT file in an LUT memory bank. Therefore, feasible LUT files are provided for realizing the on-site efficient real-time color matching function.
In another embodiment, the step S103 includes:
s1031: editing the LUT file by using LUT operating software to obtain controllable color difference;
s1032: in the controllable color difference range, carrying out on-site real-time color matching processing on the original color data transmitted by the video signal receiver through real-time color matching software;
s1033: in the field real-time color matching process, real-time color matching software analyzes the LUT file and then calls corresponding colors in the LUT data, the color data in the original image is adjusted based on the called colors, and the corresponding color matching result is displayed at the terminal of the display device after the corresponding color matching result is obtained.
The working principle of the technical scheme is as follows: editing the LUT file by using LUT operating software to obtain controllable color difference; in a controllable color difference range, carrying out on-site real-time color matching processing on original color data transmitted by a video signal receiver through real-time color matching software; in the field real-time color matching processing process, the real-time color matching software analyzes the LUT file and calls corresponding colors in the LUT data, the color data in the original image is adjusted based on the called colors, and corresponding color matching results are displayed on a display device terminal after the corresponding color matching results are obtained.
In the process of editing the LUT file by using the LUT operating software, calculating coordinate points corresponding to the original image transformation matrix through feature point matching pairs corresponding to the LUT data matrix in the LUT file, thereby obtaining the mapping relation between the coordinate points in the LUT data matrix and the coordinate points corresponding to the original image transformation matrix; then, an LUT table is constructed by calculating all coordinate points in the original image to which the matrix is applied, a two-dimensional matrix is constructed, the row and column number of the two-dimensional matrix is consistent with that of the panoramic image, and elements in the matrix are address information of the coordinate points; performing inverse transformation operation through the corresponding matrix to obtain points, corresponding to each point on the panoramic image, in the original image; and finally, storing the address of the original graph point at the corresponding position of the two-dimensional matrix. Thereby constructing a mapping relationship between the LUT file and the image to be processed.
The beneficial effects of the above technical scheme are: editing the LUT file by using LUT operating software to obtain controllable color difference; in a controllable color difference range, carrying out on-site real-time color matching processing on original color data transmitted by a video signal receiver through real-time color matching software; in the field real-time color matching process, real-time color matching software analyzes the LUT file and then calls corresponding colors in the LUT data, the color data in the original image is adjusted based on the called colors, and the corresponding color matching result is displayed at the terminal of the display device after the corresponding color matching result is obtained. Therefore, the on-site efficient real-time color matching function is realized, and the color transmission and the color management on the shooting site are facilitated.
In another embodiment, the S1032 step includes:
creating a color level library based on a color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning;
and carrying out on-site real-time color matching on the original color data transmitted by the video signal receiver through real-time color matching software based on the divided graded color matching, adding the color-matched data to a rendering queue for previewing after the on-site real-time color matching is finished, and storing in a file form after confirming the color matching result through previewing.
The working principle of the technical scheme is as follows: creating a color level library based on a color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning; and carrying out on-site real-time color matching on the original color data transmitted by the video signal receiver through real-time color matching software based on the divided graded color matching, adding the color-matched data to a rendering queue for previewing after the on-site real-time color matching is finished, and storing in a file form after confirming the color matching result through previewing.
The primary color mixing is to adjust the contrast of the image to be processed, adjust the image from dark tone and bright tone to intermediate tone in a color controller, and correct the color cast in the image to be processed by the matching adjustment of a color bar and a color saturation bar in the color controller; the secondary color mixing is the adjustment of the local color of the image to be processed through a curve editor and a mask controller which are positioned in a panel; the three-level color mixing is to perform color contrast adjustment on the color tone of the image to be processed and the color tone of a preset target image; the four-level color matching is to add a color special effect to the background color of the image and then carry out pre-browsing.
The beneficial effects of the above technical scheme are: creating a color level library based on a color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning; and carrying out on-site real-time color matching on the original color data transmitted by the video signal receiver through real-time color matching software based on the divided graded color matching, adding the color-matched data to a rendering queue for previewing after the on-site real-time color matching is finished, and storing in a file form after confirming the color matching result through previewing. Therefore, the on-site efficient real-time color matching function is realized, and the color transmission and color management of the shooting site are facilitated.
In another embodiment, a system for performing on-site real-time color matching based on BoxIO, comprises:
the measurement data acquisition unit is used for measuring the display index of the image in the display equipment and the parameter corresponding to the chromaticity of the display screen after the image needing color mixing is input based on the boxIO color control box, and acquiring corresponding parameter data;
the LUT operation software unit is used for operating the corresponding parameter data in the LUT operation software and acquiring the LUT data through operation;
and the real-time color matching software unit is used for adjusting the LUT data based on real-time color matching software, generating new LUT data after adjustment, transmitting the new LUT data to the display equipment terminal, and displaying the picture subjected to field real-time color matching by the display equipment terminal.
The working principle of the technical scheme is as follows: the boxIO color control box belongs to advanced color management equipment, and is connected with corresponding control program and color management program through corresponding interfaces, wherein, the corresponding interfaces include: two groups of input and output interfaces, a looped-out 3G-SDI interface and a Mini-DP interface; the corresponding control program selects an IP Remote Utilities control program, the monitoring of real-time brightness and vector waveforms of the video is realized through the control program, the BoxIO color control box comprises a plurality of LUT storage areas, each LUT storage area can store 16 LUT files at most, LUT data obtained through operation can be checked through the BoxIO color control box, and the fast preview of picture effects in the real-time color mixing process of the image is realized;
the real-time mixing of colors flow of on-the-spot efficient is realized to real-time mixing of colors software of box collocation color control box, through collocation color management software, carries out professional color correction to the terminal, and wherein, real-time mixing of colors software includes: QTake, scratch, liveGrade PRO, firePlay.
The beneficial effects of the above technical scheme are: the measurement data acquisition unit is used for measuring the display index of the image in the display equipment and the parameter corresponding to the chromaticity of the display screen after the image needing color mixing is input based on the boxIO color control box, and acquiring corresponding parameter data; the LUT operation software unit is used for operating the corresponding parameter data in the LUT operation software and acquiring the LUT data through operation; and the real-time color matching software unit is used for adjusting the LUT data based on real-time color matching software, generating new LUT data after adjustment, transmitting the new LUT data to the display equipment terminal, and displaying the picture subjected to field real-time color matching by the display equipment terminal. Professional color correction is carried out through the BoxIO color control box, so that the on-site efficient real-time color matching function is realized, and the color transmission and color management of a shooting site are facilitated.
In another embodiment, the measurement data acquisition unit includes:
the measurement data acquisition first subunit is configured to measure, based on the BoxIO, a display index in display index operating system software of the current BoxIO, and acquire display index data, where the display index data includes: color temperature, brightness, and gamma;
the measurement data acquisition second subunit is used for measuring the display parameters of the chromaticity standard color block of the display screen based on the colorimeter and acquiring display parameter data;
the measurement data acquisition third subunit is used for preprocessing the display index data and the display parameter data to acquire a target measurement data set.
The working principle of the technical scheme is as follows: the measurement data acquisition first subunit is configured to measure, based on the BoxIO, a display index in display index operating system software of the current BoxIO, and acquire display index data, where the display index data includes: color temperature, brightness, and gamma; the measurement data acquisition second subunit is used for measuring the display parameters of the chromaticity standard color block of the display screen based on the colorimeter and acquiring display parameter data; the measurement data acquisition third subunit is used for carrying out preprocessing operation on the display index data and the display parameter data to acquire a target measurement data set.
Abnormal data exist in the acquired display index data and the acquired display parameter data, wherein the abnormal data comprise loss, outliers, noise and deviation, the lost data are data loss caused by the fact that a measuring instrument fails in the data measuring process, recorded data are NULL or 0, and the measured data deviate from real load data. The measured data is subjected to clustering algorithm and standardization processing, abnormal data are removed, finally standardized data are obtained, the standardized data are subjected to standardization processing, the influence of the measured data on a clustering result due to overlarge magnitude difference is avoided, and the influence of the data size on clustering analysis can be eliminated.
The beneficial effects of the above technical scheme are: the measurement data acquisition first subunit is configured to measure, based on the BoxIO, a display index in display index operating system software of the current BoxIO, and acquire display index data, where the display index data includes: color temperature, brightness, and gamma; the measurement data acquisition second subunit is used for measuring the display parameters of the chromaticity standard color block of the display screen based on the colorimeter and acquiring display parameter data; the measurement data acquisition third subunit is used for preprocessing the display index data and the display parameter data to acquire a target measurement data set. Corresponding data are obtained through measurement, and feasibility data are provided for realizing a field efficient real-time color matching function.
In another embodiment, the LUT run software unit comprises:
the LUT running software first subunit is used for processing the target mapping quantity data set by using a matrix algorithm in the LUT running software according to the international display standard to obtain a conversion matrix corresponding to brightness and chromaticity;
the second subunit of the LUT operating software is used for constructing an LUT file based on the conversion matrix corresponding to the brightness and the chromaticity, and storing the LUT file in an LUT storage bank.
The working principle of the technical scheme is as follows: the LUT running software first subunit is used for processing the target mapping quantity data set by using a matrix algorithm in the LUT running software according to the international display standard to obtain a conversion matrix corresponding to brightness and chromaticity; the second subunit of the LUT operating software is used for constructing an LUT file based on the conversion matrix corresponding to the brightness and the chromaticity, and storing the LUT file in an LUT storage bank.
The preset judgment setting condition is that a comparison result is obtained by extracting some parameters in the LUT file, comparing the corresponding parameters with preset values, comparing the data format, the data length and the data verification information of the LUT file with the preset corresponding conditions, if the comparison result is matched with the preset conditions, the comparison result is in line with the preset conditions, and if the comparison result is not in line with the preset conditions.
The beneficial effects of the above technical scheme are: processing the target measurement data set by using a matrix algorithm in LUT running software according to an international display standard to obtain a conversion matrix corresponding to brightness and chromaticity; and constructing an LUT file based on the conversion matrix corresponding to the brightness and the chroma, and storing the LUT file in an LUT memory bank. Therefore, feasible LUT files are provided for realizing the on-site efficient real-time color matching function.
In another embodiment, the real-time toning software unit includes:
the real-time color matching software first subunit is used for editing the LUT file by using LUT running software to acquire controllable color difference;
the second subunit of the real-time color matching software is used for carrying out on-site real-time color matching processing on the original color data transmitted by the video signal receiver through the real-time color matching software within the controllable color difference range;
and the third subunit of the real-time color matching software is used for analyzing the LUT file and calling the corresponding color in the LUT data by the real-time color matching software in the field real-time color matching processing process, adjusting the color data in the original image based on the called color, and displaying the corresponding color matching result on the display equipment terminal after the corresponding color matching result is obtained.
The working principle of the technical scheme is as follows: the real-time color matching software first subunit is used for editing the LUT file by using LUT running software to acquire controllable color difference; the second subunit of the real-time color matching software is used for carrying out on-site real-time color matching processing on the original color data transmitted by the video signal receiver through the real-time color matching software within the controllable color difference range; and the third subunit of the real-time color matching software is used for analyzing the LUT file and calling the corresponding color in the LUT data by the real-time color matching software in the field real-time color matching processing process, adjusting the color data in the original image based on the called color, and displaying the corresponding color matching result on the display equipment terminal after the corresponding color matching result is obtained.
In the process of editing the LUT file by using the LUT operating software, calculating coordinate points corresponding to the original image transformation matrix through feature point matching pairs corresponding to the LUT data matrix in the LUT file, thereby obtaining the mapping relation between the coordinate points in the LUT data matrix and the coordinate points corresponding to the original image transformation matrix; then, an LUT table is constructed by calculating all coordinate points in the original image to which the matrix is applied, a two-dimensional matrix is constructed, the row and column number of the two-dimensional matrix is consistent with that of the panoramic image, and elements in the matrix are address information of the coordinate points; performing inverse transformation operation through the corresponding matrix to obtain points, corresponding to each point on the panoramic image, in the original image; and finally, storing the address of the original graph point at the corresponding position of the two-dimensional matrix. Thereby constructing a mapping relationship between the LUT file and the image to be processed.
For an image in an original color space, the minimum value and the maximum value of the original image in the color space of three color axes need to be acquired, the value taking domain of the image on each color axis is divided into a plurality of color subspaces at equal intervals through uniform quantization, the uniform quantity is divided at equal intervals through quantization intervals, and the quantization interval formula is as follows:
wherein D is (i) Representing a quantization interval value;
denotes the maximum value on the i color axis, i =0,1,1 denotes the color axis in the three color lookup tables, respectively, l i Representing the number of bits on each color axis after quantization, the division boundaries on the divided color axes having
A plurality of;
representing the minimum value on the i color axis;
the coordinate points in each divided color interval are expressed by using the same quantized value, the quantized value adopts an interval midpoint mode, and the quantized color values on the coordinate points are calculated in the following mode:
wherein, Q (f) (i) ) Representing the corresponding pixel value f of the original image (i) A quantized value of (a); f. of (i) Representing the corresponding pixel value of the original image;
represents the minimum of the i color axis; d (i) Representing a quantization interval value;
establishing a corresponding color index table through the quantized color values on the coordinate points, and if the pixel value f corresponding to the original image (i) Quantized value Q (f) of (i) ) If the index in the index table is m, the quantized value is subjected to data storage by using m, and the index value range is 0-2 l When reading image color data, the index value m on the image pixel is mapped back to Q (f) through the color index table (i) ) Thereby ensuring the accuracy of color matching.
The beneficial effects of the above technical scheme are: editing the LUT file by using LUT operating software to obtain controllable color difference; in a controllable color difference range, carrying out on-site real-time color matching processing on original color data transmitted by a video signal receiver through real-time color matching software; in the field real-time color matching process, real-time color matching software analyzes the LUT file and then calls corresponding colors in the LUT data, the color data in the original image is adjusted based on the called colors, and the corresponding color matching result is displayed at the terminal of the display device after the corresponding color matching result is obtained. Therefore, the on-site efficient real-time color matching function is realized, and the color transmission and color management of the shooting site are facilitated.
In another embodiment, the real-time toning software second subunit includes: a color balance controller;
creating a color level library based on the color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning;
and carrying out on-site real-time color matching on the original color data transmitted by the video signal receiver through real-time color matching software based on the divided graded color matching, adding the color-matched data to a rendering queue for previewing after the on-site real-time color matching is finished, and storing in a file form after confirming the color matching result through previewing.
The working principle of the technical scheme is as follows: creating a color level library based on a color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning; and carrying out on-site real-time color matching on the original color data transmitted by the video signal receiver through real-time color matching software based on the divided graded color matching, adding the color-matched data to a rendering queue for previewing after the on-site real-time color matching is finished, and storing in a file form after confirming the color matching result through previewing.
The primary color mixing is to adjust the contrast of the image to be processed, adjust the image from dark tone and bright tone to intermediate tone in a color controller, and correct the color cast in the image to be processed by the matching adjustment of a color bar and a color saturation bar in the color controller; the secondary color mixing is the adjustment of the local color of the image to be processed through a curve editor and a mask controller which are positioned in a panel; the three-level color mixing is to perform color contrast adjustment on the color tone of the image to be processed and the color tone of a preset target image; the four-level color matching is to add a color special effect to the background color of the image and then carry out pre-browsing.
The beneficial effects of the above technical scheme are: creating a color level library based on a color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning; and carrying out on-site real-time color matching on the original color data transmitted by the video signal receiver through real-time color matching software based on the divided graded color matching, adding the color-matched data to a rendering queue for previewing after the on-site real-time color matching is finished, and storing in a file form after confirming the color matching result through previewing. Therefore, the on-site efficient real-time color matching function is realized, and the color transmission and color management of the shooting site are facilitated.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The method for carrying out on-site real-time color matching based on the boxIO is characterized by comprising the following steps:
s101: based on a BoxIO color control box, measuring a display index of an image in display equipment and a parameter corresponding to the chromaticity of a display screen after the image needing color mixing is input, and acquiring corresponding parameter data;
s102: calculating the corresponding parameter data in the LUT running software, and acquiring the LUT data through calculation;
s103: and adjusting the LUT data based on real-time color matching software, generating new LUT data after adjustment, transmitting the new LUT data to a display equipment terminal, and displaying the picture subjected to field real-time color matching by the display equipment terminal.
2. The method for performing on-site real-time color matching based on the BoxIO as claimed in claim 1, wherein the step S101 comprises:
s1011: based on the boxIO, measuring the display index in the current display index operation system software, and acquiring display index data, wherein the display index data comprises: color temperature, brightness, and gamma;
s1012: measuring display parameters of a chromaticity standard color block of the display screen based on a colorimeter, and acquiring display parameter data;
s1013: and preprocessing the display index data and the display parameter data to obtain a corresponding parameter data set.
3. The method for field real-time color matching based on BoxIO as claimed in claim 1, wherein the step S102 comprises:
s1021: processing the target mapping quantity data set by using a matrix algorithm in LUT running software to obtain a conversion matrix corresponding to brightness and chromaticity;
s1022: and constructing an LUT file based on the conversion matrix corresponding to the brightness and the chroma, and storing the LUT file in an LUT memory bank.
4. The method for performing on-site real-time color matching based on the BoxIO of claim 1, wherein the step S103 comprises:
s1031: editing the LUT file by using LUT operating software to obtain controllable color difference;
s1032: in a controllable color difference range, carrying out on-site real-time color matching processing on original color data transmitted by a video signal receiver through real-time color matching software;
s1033: in the field real-time color matching process, real-time color matching software analyzes the LUT file and then calls corresponding colors in the LUT data, the color data in the original image is adjusted based on the called colors, and the corresponding color matching result is displayed at the terminal of the display device after the corresponding color matching result is obtained.
5. The method for performing field real-time color matching based on BoxIO according to claim 4, wherein the step S1032 comprises:
creating a color level library based on a color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning;
and carrying out on-site real-time color matching on the original color data transmitted by the video signal receiver through real-time color matching software based on the divided graded color matching, adding the color-matched data to a rendering queue for previewing after the on-site real-time color matching is finished, and storing in a file form after confirming the color matching result through previewing.
6. System for on-spot real-time mixing of colors carries out based on boxIO, its characterized in that includes:
the measurement data acquisition unit is used for measuring the display index of the image in the display equipment and the parameter corresponding to the chromaticity of the display screen after the image needing color mixing is input based on the boxIO color control box, and acquiring corresponding parameter data;
the LUT operation software unit is used for operating the corresponding parameter data in the LUT operation software and acquiring the LUT data through operation;
and the real-time color matching software unit is used for adjusting the LUT data based on real-time color matching software, generating new LUT data after adjustment, transmitting the new LUT data to the display equipment terminal, and displaying the picture subjected to field real-time color matching by the display equipment terminal.
7. The system for field real-time color matching based on BoxIO according to claim 6, wherein the measurement data obtaining unit comprises:
the measurement data acquisition first subunit is configured to measure, based on the BoxIO, a display index in display index operating system software of the current BoxIO, and acquire display index data, where the display index data includes: color temperature, brightness, and gamma;
the measurement data acquisition second subunit is used for measuring the display parameters of the chromaticity standard color block of the display screen based on the colorimeter and acquiring display parameter data;
the measurement data acquisition third subunit is used for preprocessing the display index data and the display parameter data to acquire a target measurement data set.
8. The system for performing field real-time color matching based on BoxIO according to claim 6, wherein the LUT running software unit comprises:
the LUT running software first subunit is used for processing the target mapping quantity data set by using a matrix algorithm in the LUT running software according to the international display standard to obtain a conversion matrix corresponding to brightness and chromaticity;
the second subunit of the LUT operating software is used for constructing an LUT file based on the conversion matrix corresponding to the brightness and the chromaticity, and storing the LUT file in an LUT storage bank.
9. The system for field real-time color matching based on BoxIO according to claim 6, wherein the real-time color matching software unit comprises:
the real-time color matching software first subunit is used for editing the LUT file by using LUT running software to acquire controllable color difference;
the second subunit of the real-time color matching software is used for carrying out on-site real-time color matching processing on the original color data transmitted by the video signal receiver through the real-time color matching software within the controllable color difference range;
and the third subunit of the real-time color matching software is used for analyzing the LUT file and calling the corresponding color in the LUT data by the real-time color matching software in the field real-time color matching processing process, adjusting the color data in the original image based on the called color, and displaying the corresponding color matching result on the display equipment terminal after the corresponding color matching result is obtained.
10. The system for performing live real-time color matching based on BoxIO according to claim 9, wherein the second subunit of real-time color matching software comprises: a color balance controller;
creating a color level library based on a color balance controller; based on a color grade library and an LUT file, grading and toning division is carried out through real-time toning software, and the graded toning after the division comprises the following steps: primary toning, secondary toning, tertiary toning and quaternary toning;
and carrying out on-site real-time color matching on the original color data transmitted by the video signal receiver through real-time color matching software based on the divided graded color matching, adding the color-matched data to a rendering queue for previewing after the on-site real-time color matching is finished, and storing in a file form after confirming the color matching result through previewing.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060087172A (en) * | 2005-01-28 | 2006-08-02 | 삼성전자주식회사 | Image display device and method for regulating color thereof |
| JP2009101802A (en) * | 2007-10-22 | 2009-05-14 | Jtekt Corp | Steering device for vehicle |
| CN104813272A (en) * | 2014-06-20 | 2015-07-29 | 深圳市尊正数字视频有限公司 | Colour modulation monitor, colour modulation system and colour modulation method |
| CN104813363A (en) * | 2014-11-28 | 2015-07-29 | 深圳市尊正数字视频有限公司 | Color modulation and real-time color modulation method |
| CN104823151A (en) * | 2014-11-28 | 2015-08-05 | 深圳市尊正数字视频有限公司 | Colour mixing monitor and real time colour mixing method |
-
2022
- 2022-11-15 CN CN202211428043.0A patent/CN115798374B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060087172A (en) * | 2005-01-28 | 2006-08-02 | 삼성전자주식회사 | Image display device and method for regulating color thereof |
| JP2009101802A (en) * | 2007-10-22 | 2009-05-14 | Jtekt Corp | Steering device for vehicle |
| CN104813272A (en) * | 2014-06-20 | 2015-07-29 | 深圳市尊正数字视频有限公司 | Colour modulation monitor, colour modulation system and colour modulation method |
| CN104813363A (en) * | 2014-11-28 | 2015-07-29 | 深圳市尊正数字视频有限公司 | Color modulation and real-time color modulation method |
| CN104823151A (en) * | 2014-11-28 | 2015-08-05 | 深圳市尊正数字视频有限公司 | Colour mixing monitor and real time colour mixing method |
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