LED显示器颜色失真实时色域校正方法LED Display Real-time Color Gamut Calibration System
邓意成,苗静,丁铁夫,张鑫
摘要(Abstract)：
颜色显示质量一直是各显示器厂商和广大消费者最关心的问题之一。本文针对不同显示器之间的颜色失真问题,提出一种实时色域校正系统。文章首先介绍了不同显示器由于色域不同而出现的颜色失真的问题,进而提出进行色域校正而减小图像失真带来的影响。然后针对显示器的显示原理,给出显示器的显示模型,并根据显示模型给出了校正系数的计算方法。最后,根据显示控制系统的硬件特性,提出两种色域校正的方法:系统前校正和系统中校正,分析了两种方法的优劣和应用场合。
关键词(KeyWords)： 色域校正;颜色失真
基金项目(Foundation):
作者(Author): 邓意成,苗静,丁铁夫,张鑫
DOI: 10.16453/j.issn.2095-8595.2014.03.013
参考文献(References)：
- [1]邓宏贵,李志坚,郭晟伟.基于LED电脉冲响应的LED显示屏像素灰度校正方法[J].发光学报,2010,31(01):145-148.Deng Honggui,Li Zhijian,Guo Shengwei.Method of gray value correction in LED display screen based on LED electroluminescence response[J].Chinese Journal of Luminescence,2010,31(01):145-148(in Chinese).
- [2]常军,杨东升,孙智慧,等,应用在大尺寸LCD背照明的LED元件设计[J]发光学报,2008,29(01):195-199.Chang Jun,Yang Dongsheng,Sun Zhihui,et al.LED Design Using for large Dimension LCD Backlight[J].Chinese Journal of Luminescence,2008,29(01):195-199(in Chinese).
- [3]Zhang Xiandou,Xu Haisong.An adaptively spatial color gamut mapping algorithm[J].Chinese Optics Letters,2009,7(9):873-877.
- [4]黄庆梅,赵达尊.基于Zernike多项式表示色域边界的色域映射[J].《光学技术》,2003,29(02):168-169.HUANG Q M,ZHAO D Z.Gamut mapping based on gamut boundaries expressed with Zernike polynomials[J].Optical Technique.2003,29(02):168-169(in Chinese).
- [5]Sara J.J The Automated Reproduction of Pictures with Nonreproducible Colors[D].MIT,1984.
- [6]L.W.MacD onald.Gamut Mapping in Perceptual Color or Space[C].Proceeding of 1st IS&SID Color Imaging Conference,IS&T,Spring field,VA,1993.
- [7]Morovic J,Luo M R.Calculating Medium and Image Gamut Boundaries for Gamut Mapping[J].Col Res Appl,2000,25(6):394-401.
- [8]徐艳芳,刘文耀.数字影像输出设备色域边界的插值计算方法[J]光学精密工程,2006,14(02):262-265.Xu Yanfang,Liu Wenyao.Interpolation method for calculating gamut boundaries of digital imaging output devices[J]Optics and Precision Engineering,2006,14(02):262-265(in Chinese).
- [9]息丽丽,王义峰,刘瑞华,等.基于B样条色域描述的颜色匹配[J]计算机工程,2008,33(01):210-214.Xi Lili,Wang Yifeng,Liu Rui-hua,et al.Color mapping based on gamut description of B-spline Curve Fitting[J]Computer Engineering,2008,33(01):210-214(in Chinese).
- [10]张显斗,数字图像颜色复现理论与方法研究[C]浙江大学,2010.Zhang Xiandou,Study of color reproduction theory and method for digital image[C]Zhejiang University,2010(in Chinese).
- [11]Liu Ying,Song Gang,Li Hua.A hue-preserving gamut expansion algorithm in CIELUV color space for wide Gamut displays[J].Proceedings-2010 3rd International Congress on Image and Signal Processing,CISP 2010,5,2401-2404.