WO2016082174A1 - Dispositif de surveillance de retouche et procédé de retouche en temps réel - Google Patents

Dispositif de surveillance de retouche et procédé de retouche en temps réel Download PDF

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Publication number
WO2016082174A1
WO2016082174A1 PCT/CN2014/092436 CN2014092436W WO2016082174A1 WO 2016082174 A1 WO2016082174 A1 WO 2016082174A1 CN 2014092436 W CN2014092436 W CN 2014092436W WO 2016082174 A1 WO2016082174 A1 WO 2016082174A1
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WO
WIPO (PCT)
Prior art keywords
acdl
parameter
lut
module
data
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.)
Ceased
Application number
PCT/CN2014/092436
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English (en)
Chinese (zh)
Inventor
王尊正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sz Zunzheng Digital Video Co Ltd
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Sz Zunzheng Digital Video Co Ltd
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Publication date
Application filed by Sz Zunzheng Digital Video Co Ltd filed Critical Sz Zunzheng Digital Video Co Ltd
Priority to CN201480002957.8A priority Critical patent/CN104823151B/zh
Priority to PCT/CN2014/092436 priority patent/WO2016082174A1/fr
Publication of WO2016082174A1 publication Critical patent/WO2016082174A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/06—Colour space transformation

Definitions

  • the present invention relates to image processing, and more particularly to a color grading monitor and a real-time color grading method.
  • the process of color management can be seen as the process of color transitioning between different color spaces. If you do not make corrections, the performance of the same picture varies greatly in different color spaces.
  • the picture on the monitor and the film copy will be displayed on the screen very differently; different monitors and different projection environments There will be visually obvious differences.
  • In absolute terms there are no two color space systems in the world that are identical.
  • the role of the color management system currently on the market is to minimize the visual difference between images on different media and display devices. The most important part is to unify the picture of the monitor in the digital coloring process with the final film copy onto the screen, making them "look” more similar, in order to provide a relative for the colorist. "Accurate" visual reference. This type of color space conversion is often done by LUT mapping.
  • LUT mapping is a bridge that connects different color spaces in the process of color management.
  • the LUT mapping module can return an output value.
  • LUT mapping One of the characteristics of LUT mapping is that it can be The color correction of different display devices when the original file is changed, the advantage of this is that the original image is not processed, so that it does not cause any loss; and without changing the original image, it means saving a lot of rendering. time.
  • the monitor includes a LUT mapping module
  • the color palette also includes a LUT mapping module, wherein the LUT mapping module in the monitor is used to implement color space mapping, and the LUT mapping module in the color palette is used as a tone. Color processing.
  • system integration is not high and real-time color grading is not possible.
  • embodiments of the present invention provide a color grading monitor and a real-time color grading method which can simplify the color grading system and realize real-time color grading.
  • a color adjustment monitor for real-time color grading of an input image.
  • the color adjustment monitor includes a LUT mapping unit and a receiving module, configured to acquire an ACDL parameter, the ACDL parameter is used to generate LUT data, and a parsing module is configured to parse whether the acquired ACDL parameter meets a predetermined condition, if If yes, generate new LUT data according to the acquired ACDL parameters, and update the LUT data into the LUT mapping unit to perform new LUT mapping; if the predetermined condition is not met, discard the ACDL parameters; and display module Used to display the input image after the new LUT mapping.
  • a real-time color grading method for real-time color grading of an input image includes: acquiring an ACDL parameter for generating LUT data; parsing whether the acquired ACDL parameter meets a predetermined condition, and if so, generating new LUT data according to the ACDL parameter, and performing a new LUT mapping, if If the predetermined condition is not met, the ACDL parameters are discarded; and the input image after the new LUT mapping is displayed.
  • a color adjustment monitor for real-time color grading of an input image.
  • the color adjustment monitor includes an LUT mapping unit.
  • the color adjustment monitor further includes: an ACDL parameter generation module, configured to generate an ACDL parameter according to an operation of the console; a parsing module, configured to generate LUT data according to the ACDL parameter, and update the LUT data to the LUT mapping unit, Performing a new LUT mapping; and a display module for displaying the input image after the new LUT mapping.
  • the real-time color grading function is realized by a simple architecture.
  • FIG. 1 is a functional block diagram of a color grading monitor according to a first embodiment of the present invention
  • FIG. 2 is a functional block diagram of a color grading monitor according to a second embodiment of the present invention.
  • FIG. 3 is a flowchart of a real-time color grading method according to an embodiment of the present invention.
  • FIG. 1 is a functional block diagram of a color grading monitor 100 according to a first embodiment of the present invention.
  • the color adjustment monitor 100 is coupled to a user operating terminal 200.
  • the color adjustment monitor 100 has a real-time color grading function for real-time color grading of an input image.
  • the user operation terminal 200 includes color grading software, and the color grading software may be PC color grading software, Mac color grading software, mobile phone (such as iphone) color grading software, Android system color grading software or WP tone. Color software.
  • the user terminal 200 can also be a color palette (described in detail in the second embodiment).
  • the user operation terminal 200 is not limited thereto, and any device that can output ACDL parameters can be used as the user operation terminal 200.
  • the LUT data is 1D LUT data or 3D LUT data.
  • the user operation terminal 200 includes an ACDL parameter generation module 201 and a transmission module 202.
  • the ACDL parameter generating module 201 is configured to generate an ACDL parameter according to an operation of a user, where the ACDL parameter is used to generate LUT data.
  • the user adjusts parameters in the user operation end according to his own color adjustment requirement, so that the user operation end can execute certain algorithms to calculate the ACDL parameters.
  • the sending module 202 is configured to send the ACDL parameter to the color grading monitor 100. This embodiment The transmitting module 202 transmits the ACDL parameters to the color grading monitor 100 through a communication network.
  • the sending module 202 can send the ACDL through at least one of an Ethernet interface network, a Wifi interface network, a Bluetooth interface network, a USB interface network, a serial interface network, a lightning interface network, and a 1394 interface network. parameter.
  • the color adjustment monitor 100 includes a LUT mapping unit 10, a receiving module 20, a parsing module 30, a response module 40, an update module 50, and a display module 60.
  • the receiving module 20 is configured to receive the ACDL parameter sent by the user operation terminal 200.
  • the receiving module 20 receives the ACDL parameter through at least one of an Ethernet interface network, a Wifi interface network, a Bluetooth interface network, a USB interface network, a serial interface network, a lightning interface network, and a 1394 interface network.
  • the parsing module 30 is configured to parse whether the ACDL parameter meets a predetermined condition, and if yes, generate new LUT data according to the ACDL parameter, and update the LUT data to the LUT mapping unit 10 to perform a new LUT. Mapping; if the predetermined condition is not met, the ACDL parameters are discarded. It can be seen that one of the important functions of the parsing module 30 is to avoid data errors caused by network transmission errors. Specifically, the parsing module 30 may compare the data format, the data length, and/or the data check information of the received ACDL parameter with a preset corresponding condition, and if the matching is performed, the parsing result is that the predetermined condition is met.
  • the LUT mapping unit 10 can be implemented by using an FPGA or an ASIC, and can be connected to an external storage device or an external storage device. In the present embodiment, the LUT mapping unit 10 is implemented using an FPGA.
  • the response module 40 is configured to feed back the analysis result of the parsing module 30 to the user operation end.
  • the response information fed back by the response module 40 is “received data is correct” or “received data error”. Specifically, when the parsing result is that the predetermined condition is met, the response module 40 feeds back the information that “receives the data correctly”, and when the parsing result is that the predetermined condition is not met, the response module 40 feeds back the “receive data error” information.
  • the update module 50 is connected between the receiving module 20, the parsing module 30 and the LUT mapping unit 10, for generating new LUT data according to the acquired ACDL parameters, and updating the LUT data to the LUT mapping.
  • the receiving module 20 transmits the acquired ACDL parameter to the update module 50, and the update module 50 generates the latest LUT data according to the ACDL parameter, and Updating LUT data to the stated
  • the user can observe the change in the video chromaticity on the screen of the color adjustment monitor 100 in real time.
  • the display module 60 is configured to display an input image after the new LUT mapping according to the analysis result of the parsing module 30. Specifically, the display module 60 is connected to the LUT mapping unit 10, so that the display module 60 obtains an input image after the new LUT mapping is obtained from the LUT mapping unit 10 in real time and performs display.
  • the display module 60 may also be connected to the update module 50 and/or the LUT mapping unit 10, and when the parsing result is that the predetermined condition is met, the update module 50 outputs a control signal to the The display module 60 is configured to cause the display module 60 to acquire an input image after passing the new LUT mapping from the LUT mapping unit 10 and display it.
  • the user transmits the ACDL parameters to the color grading monitor 100 after the user operates the terminal 200 to generate the ACDL parameters.
  • the generated LUT data can be updated in real time to the LUT mapping unit 10 inside the color adjustment monitor 100, so that the toned image can be displayed in real time.
  • the real-time color grading function is realized by a simple architecture.
  • the color grading system 200a is substantially the same as the color grading monitor 200 provided by the first embodiment, except that the user operating terminal 200a includes a color grading station 203,
  • the ACDL parameter generation module 201a is integrated in the color adjustment monitor 100a.
  • the color palette 203 is connected to the color adjustment monitor 100a via a USB data line.
  • the color adjustment monitor 100a includes an ACDL parameter generation module 201a, an update module 50a, and a display module 60a.
  • the ACDL parameter generation module 201a is configured to receive a signal transmitted by the color palette 203 to generate an ACDL parameter.
  • the color palette can be a keyboard and/or a mouse.
  • the user operates the scroll wheel or the slider or the button of the color palette 203 according to the coloring requirement of the user, and the ACDL parameter generating module 201a reads the scroll wheel or the slider or the button information of the color palette 203 in real time. And generating the ACDL parameters according to a specific algorithm.
  • the update module 50a is connected between the ACDL parameter generation module 201a and the LUT mapping unit 10a, for generating new LUT data according to the ACDL parameters, and updating the LUT data to the LUT mapping unit 10a, and performing new LUT data mapping.
  • the display module 60a is configured to display an input image after the new LUT data mapping.
  • the display module 60a may also be connected to the update module 50a and/or the LUT mapping unit 10a, when the parsing result is that the predetermined condition is met.
  • the update module 50a outputs a control signal to the display module 60a to cause the display module 60a to acquire an input image after the new LUT data mapping from the LUT mapping unit 10a and display it.
  • the color grading monitor 100a in the second embodiment directly generates the ACDL parameters and updates the LUT data, which is more convenient and quick.
  • the color correction monitor 100a in the second embodiment may also be provided with a parsing module (not shown) for parsing whether the ACDL parameter generated by the ACDL parameter generating module 201a meets a predetermined condition. If yes, generate new LUT data according to ACDL parameters and perform new LUT mapping; if the predetermined condition is not met, discard the ACDL parameters. At this time, the role of the parsing module will be to ensure that the ACDL parameter generating module 201a is capable of generating correct ACDL parameters.
  • FIG. 3 is a flowchart of a real-time color grading method provided by the present invention.
  • the real-time color grading method includes the following steps:
  • Step S301 Connect the user operation terminal.
  • the user operation terminal is connected through at least one of an Ethernet interface network, a Wifi interface network, a Bluetooth interface network, a USB interface network, a serial interface network, a lightning interface network, and a 1394 interface network.
  • the user operating terminal 200 includes color grading software, and the color grading software may be PC color grading software, Mac color grading software, mobile phone (such as iphone) color grading software, Android system color grading software, or WP color grading software.
  • the user terminal 200 can also be a color palette.
  • the user terminal is connected via a USB cable.
  • the user operation terminal 200 is not limited thereto, and any device capable of providing accurate and convenient control of human-computer interaction function can be used as the user operation terminal 200.
  • Step S303 Acquire an ACDL parameter for generating LUT data according to a user operation.
  • the ACDL parameter sent by the user operation terminal 200 is received.
  • the ACDL parameter can be obtained through at least one of an Ethernet interface network, a Wifi interface network, a Bluetooth interface network, a USB interface network, a serial interface network, a lightning interface network, and a 1394 interface network.
  • the ACDL parameters are generated within the color grading monitor.
  • Step S305 Parse whether the ACDL parameter meets a predetermined condition. If yes, execute step S307: generate new LUT data according to the acquired ACDL parameter, and update the LUT data to the LUT mapping unit to perform a new LUT. Mapping; if the predetermined condition is not met, step S309 is performed: discarding the ACDL parameter. Specifically, when parsing, the data format, the data length, and/or the data check information of the received ACDL parameter may be compared with a preset corresponding condition. If they match, the analysis result is that the predetermined condition is met, if not If the match is made, the result of the analysis is that the predetermined condition is not met.
  • Step S311 The analysis result is fed back to the user operation terminal for the user to confirm whether to re-adjust the ACDL parameter.
  • the feedback information that is fed back is “received data correctly” or “received data error”.
  • the parsing result is that the predetermined condition is met
  • the “received data is correct” information is fed back
  • the parsing result is that the predetermined condition is not met, , feedback "receive data error” information.
  • the user needs to re-adjust the ACDL parameters.
  • Step S313 Display the input image after the new LUT mapping.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • User Interface Of Digital Computer (AREA)
  • Processing Or Creating Images (AREA)
  • Image Processing (AREA)

Abstract

L'invention concerne un dispositif de surveillance de retouche utilisé pour retoucher en temps réel une image d'entrée. Le dispositif de surveillance de retouche comprend une unité de mappage de table de correspondance (LUT). Le dispositif de surveillance de retouche comprend en outre : un module d'acquisition pour acquérir un paramètre ACDL utilisé pour générer des données de LUT ; un module d'analyse pour analyser le paramètre ACDL acquis afin de déterminer si le paramètre ACDL remplit une condition prédéterminée, puis générer de nouvelles données de LUT en fonction du paramètre ACDL acquis, mettre à jour les données de LUT dans l'unité de mappage de LUT et exécuter un nouveau mappage de LUT si le paramètre ACDL remplit la condition prédéterminée, ou abandonner le paramètre ACDL si le paramètre ACDL ne remplit pas la condition prédéterminée ; et un module d'affichage pour afficher une image d'entrée soumise au nouveau mappage de LUT.
PCT/CN2014/092436 2014-11-28 2014-11-28 Dispositif de surveillance de retouche et procédé de retouche en temps réel Ceased WO2016082174A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480002957.8A CN104823151B (zh) 2014-11-28 2014-11-28 调色监视器和实时调色方法
PCT/CN2014/092436 WO2016082174A1 (fr) 2014-11-28 2014-11-28 Dispositif de surveillance de retouche et procédé de retouche en temps réel

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Application Number Priority Date Filing Date Title
PCT/CN2014/092436 WO2016082174A1 (fr) 2014-11-28 2014-11-28 Dispositif de surveillance de retouche et procédé de retouche en temps réel

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CN106028003A (zh) * 2016-07-22 2016-10-12 北京盛火科技有限公司 一种雷电高清监视器
CN115798374B (zh) * 2022-11-15 2023-08-01 深圳市尊正数字视频有限公司 基于BoxIO进行现场实时调色的系统及方法

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CN1992779A (zh) * 2005-12-30 2007-07-04 三星电子株式会社 通过调节色彩信息来执行打印作业的方法和设备
CN101136998A (zh) * 2006-08-31 2008-03-05 索尼株式会社 图像处理设备和图像处理方法
JP2009010499A (ja) * 2007-06-26 2009-01-15 Fuji Xerox Co Ltd 色補正装置および画像形成装置
JP2010045558A (ja) * 2008-08-12 2010-02-25 Nec Corp 画像処理装置
CN101808183A (zh) * 2009-02-17 2010-08-18 佳能株式会社 校正读取文档时使用的颜色转换表的图像处理装置和方法
CN104813272A (zh) * 2014-06-20 2015-07-29 深圳市尊正数字视频有限公司 调色监视器、调色系统以及调色方法

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KR20070121181A (ko) * 2006-06-21 2007-12-27 삼성전자주식회사 프린트 데이터의 컬러 조정 시스템 및 방법
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Publication number Priority date Publication date Assignee Title
CN1992779A (zh) * 2005-12-30 2007-07-04 三星电子株式会社 通过调节色彩信息来执行打印作业的方法和设备
CN101136998A (zh) * 2006-08-31 2008-03-05 索尼株式会社 图像处理设备和图像处理方法
JP2009010499A (ja) * 2007-06-26 2009-01-15 Fuji Xerox Co Ltd 色補正装置および画像形成装置
JP2010045558A (ja) * 2008-08-12 2010-02-25 Nec Corp 画像処理装置
CN101808183A (zh) * 2009-02-17 2010-08-18 佳能株式会社 校正读取文档时使用的颜色转换表的图像处理装置和方法
CN104813272A (zh) * 2014-06-20 2015-07-29 深圳市尊正数字视频有限公司 调色监视器、调色系统以及调色方法

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