宽色域HDTV信号兼容传输方案研究  

Research on Compatible Transmission Schemes of Extended Gamut HDTV Signals

作　　者：李彦[1] 徐岩[1] 李桂苓[1] 

机构地区：[1]天津大学电子信息工程学院,天津300072

出　　处：《电视技术》2009年第12期45-48,共4页Video Engineering

基　　金：国家自然科学基金资助项目(60802050)

摘　　要：首先以Pointer色域为传输目标色域,在不改变常规色域高清电视(HDTV)系统基色和基准白色度学参数,不扩大亮度和色差信号动态范围前提下,提出了物体表面色宽色域传输方案,把色域传输范围由Pointer色域的44%提高到100%。为将传输色域扩展到涵盖电视系统饱和色,进一步提出两种可供选用的增强型宽色域传输方案,将传输色域再扩展为Pointer色域的1.07倍。Pointer gaumt is determined as target gamut, and the scheme to transmit all Pointer colors without changing the primaries are proposed. White and signal range of conventional HDTV gamut system is proposed, which improves the capability of transmission system from 40% to 100% of Pointer gamut. Furthermore, two enhanced schemes are proposed to transmit not only Pointer colors but also saturated colors of HDTV system, then the area of extended target gamut is 1.07 times of the Pointer gamut.

关 键 词：宽色域 目标色域 兼容传输 高清电视 

分 类 号：TN949.17[电子电信—信号与信息处理] TN949.197[电子电信—信息与通信工程]