基于球坐标及三角形插值的颜色信号色域映射算法

doi:10.3969/j.issn.0372-2112.2015.11.007

电子学报 ›› 2015, Vol. 43 ›› Issue (11): 2180-2186.DOI: 10.3969/j.issn.0372-2112.2015.11.007

基于球坐标及三角形插值的颜色信号色域映射算法

叶程¹, 刘真¹, 吴明光²

1. 上海理工大学出版印刷与艺术设计学院, 上海 200093;
2. 南京师范大学虚拟地理环境教育部重点实验室, 江苏南京 200046

收稿日期:2014-09-23 修回日期:2015-03-12 出版日期:2015-11-25
- 作者简介:
- 叶程男,1991年1月出生,福建南平人.上海理工大学硕士研究生,主要研究方向为色彩管理、颜色科学和图像处理.E-mail:printyecheng@163.com;刘真女,1953年1月出生,江苏泰州人.上海理工大学教授,博士生导师,主要研究方向为数字图文信息处理、色彩再现理论与应用、印刷数字化工作流程.E-mail:lunaprint@163.com
- 基金资助:
- 国家自然科学基金 (No.41271446); 上海市研究生创新基金 (No.JWCXSL1402)

Gamut Mapping Algorithm for Color Signal Based on Spherical Coordinates and Triangular Interpolation

YE Cheng¹, LIU Zhen¹, WU Ming-guang²

1. College of Communication and Art Design, University of Shanghai for Science and Technology, Shanghai 200093, China;
2. Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Nanjing, Jiangsu 200046, China

Received:2014-09-23 Revised:2015-03-12 Online:2015-11-25 Published:2015-11-25
- Supported by:
- National Natural Science Foundation of China (No.41271446); Postgraduate Innovation Fund of Shanghai Municipality (No.JWCXSL1402)

摘要/Abstract

摘要：

针对颜色信号在进行跨媒体传输时出现的失真问题,提出一种基于球坐标及三角形插值的色域映射算法.首先,在球坐标系内选取出目标色域的边界颜色点以作为三角形插值的节点;其次,通过插值节点预查找方法选取出3个符合插值要求的最优节点;最后,使用三角形插值计算得到待映射颜色信号对应的目标色域边界.在EPSON及HP打印机上的实验结果表明本文算法具有良好的可靠性、计算精度及执行效率,可广泛应用于各类呈色设备及彩色图像的色域映射中.

关键词: 跨媒体, 色彩管理, 色域映射, 打印机, CIELAB颜色空间

Abstract:

In order to solve the distortion problem of color signal in cross media reproduction process,a gamut mapping algorithm based on spherical coordinates and triangular interpolation was proposed.Firstly,the algorithm chooses the boundary color samples of target gamut as the triangular interpolation nodes.Secondly,three optimal interpolation nodes are selected through a pre-search process.Finally,the algorithm calculates the correspondent gamut boundary point of the mapping color by triangular interpolation.The experimental results demonstrate that the algorithm has good calculation precision and efficiency,and can be used in the color mapping process of different color devices and images.

Key words: cross media, color management, gamut mapping, printer, CIELAB color space

中图分类号:

TP391

叶程, 刘真, 吴明光. 基于球坐标及三角形插值的颜色信号色域映射算法[J]. 电子学报, 2015, 43(11): 2180-2186.

YE Cheng, LIU Zhen, WU Ming-guang . Gamut Mapping Algorithm for Color Signal Based on Spherical Coordinates and Triangular Interpolation[J]. Acta Electronica Sinica, 2015, 43(11): 2180-2186.

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基于球坐标及三角形插值的颜色信号色域映射算法

Gamut Mapping Algorithm for Color Signal Based on Spherical Coordinates and Triangular Interpolation

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[9]	刘瑞华, 曾平, 王义峰. 一种自适应分区回归的打印机色彩校正方法[J]. 电子学报, 2007, 35(11): 2201-2204.
[10]	卫保国;沈兰荪;蔡轶珩. 虚拟标准显色设备——跨网络色彩重现的新方案[J]. 电子学报, 2003, 31(12): 1828-1831.