Real-time color management for displays

LV Guo-qiang; LIANG Jian-tian; LU Yun-long; ZHANG Ying-song; FANG Yong

doi:10.3788/OPE.20162402.0292

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Real-time color management for displays

更新时间：2020-08-13

- Real-time color management for displays
- Optics and Precision Engineering Vol. 24, Issue 2, Pages: 292-299(2016)
- 作者机构：
  
  1. 合肥工业大学光电技术研究院,安徽合肥,230009
  2. 合肥工业大学特种显示技术教育部重点实验室特种显示技术国家工程实验室现代显示技术省部共建国家重点实验室, 安徽合肥 230009
  3. 合肥工业大学仪器科学与光电工程学院, 安徽合肥 230009
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20162402.0292
  CLC： TN141.9
- Received：18 June 2015，
  
  Revised：15 August 2015，
  
  Published：25 February 2016
- 稿件说明：
移动端阅览
吕国强, 梁监天, 芦云龙等. 显示器的实时色彩管理[J]. 光学精密工程, 2016,24(2): 292-299

LV Guo-qiang, LIANG Jian-tian, LU Yun-long etc. Real-time color management for displays[J]. Editorial Office of Optics and Precision Engineering, 2016,24(2): 292-299
吕国强, 梁监天, 芦云龙等. 显示器的实时色彩管理[J]. 光学精密工程, 2016,24(2): 292-299 DOI： 10.3788/OPE.20162402.0292.

LV Guo-qiang, LIANG Jian-tian, LU Yun-long etc. Real-time color management for displays[J]. Editorial Office of Optics and Precision Engineering, 2016,24(2): 292-299 DOI： 10.3788/OPE.20162402.0292.

摘要

基于动态影像切换速度快的特点

提出一种可内嵌于显示器中

通过硬件实现的色彩管理方法来提高显示器图像颜色信息的一致性。研究了ICC规范的色彩管理理论

基于三维查找表与插值法

建立了显示器驱动信号值间的非均匀查找表;利用查找表数据

通过三维插值算法实现了显示器的色彩管理

并通过对图像特征的判断完成了自适应渲染功能。在现场可编程门阵列上建立了基于该方法的显示器实时色彩管理系统

利用该系统对两台显示器进行了色彩管理实验。结果表明

在实行色彩管理前后

两台显示器的最大色差/平均色差分别为14.56/5.08与5.4/1.83ΔE

色差单位;使用自适应渲染功能则较好地保留了原图像的细节信息。该系统可对显示器进行较高精度的色彩管理

且满足高清分辨率动态影像实时性的需求。

Abstract

On the basis of the high switching speeds of dynamic images

a color management method implemented by hardware was proposed to ensure the consistency of color information of images on different displays. The principle of ICC color management was researched

and a non-uniform look-up table between the RGBs of displays was established based on a look-up table and interpolation method. The color management was realized by three dimensional interpolation with look-up tables and the self-adaptive rendering was obtained by judging the characters of images. Meanwhile

a real-time color management system was designed under a Field-Programmable Gate Array by proposed method. The experiments were performed for two displays. The experimental results indicate that the maximum/average color errors of two displays before and after using this system are 14.56/5.08 and 5.4/1.83ΔE

unit

and the detail information of images is retained quite well by self-adaptive rendering. It concludes that the system implements higher precision color management for displays and satisfies the requirements for the precision

real time and stabilization.

关键词

Keywords

references

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