3D多视点立体显示及其关键技术_英文_张兆杨

第31卷　第1期

2008年2月

电子器件

Ch inese Jo u rnal Of Electro n Devi ces

Vol .31　No .1Feb .2008

3D Multi -View Stereoscopic Display and Its Key Technologies ＊

ZH A NG Zhao -y ang 1,2,A N P ing 1,2,LIU Su -xing 1,2

1.S chool o f Communication an d In f ormation Eng ineerin g ,S han ghai Un iver sity ,S hang hai 200072,China ;

2.K ey Laborator y o f Ad vanced D isp la ys an d S ystem Ap p lication ,Ministry o f Ed ucation ,S hangh ai 200072,China

A bstract :As the nex t generatio n video display technique afte r 2D display based on DTV /H DTV ,three -di -m ensio nal (3D )multi -view stereoscopic display has been o ne of the mo st popular re search issues in the

w orld .And for building a multi -view stereo scopic display system ,related key technolog ies are detailed ,w hich includes :Light field representation m odel and lig ht field capturing sy stem ,high efficiency multi -view video coding and transmissio n method compatible with current video standard ,high efficiency render -ing metho d fo r arbitrary position view at the decoder ,3D display techno logies and multi -view auto stereo -sco pic display .Fo cusing on the key technologies above ,the latest international development trends and ex -isting pro blem s is analyzed .Meanw hile a so lution for implementing a 3D video processing system based on interactive auto -stereoscopic display is propo sed .Key words :stereo scopic display ;light filed acquisition ;multi -view video coding ;view rendering EEACC :7260

3D 多视点立体显示及其关键技术

＊

张兆杨

1,2

,安　平

1,2

,刘苏醒

1,2

1.上海大学通信与信息工程学院,上海200072;

2.新型显示技术及应用集成教育部重点实验室,上海200072

收稿日期:2007-04-30基金项目:国家自然科学基金资助项目(60672052、60572127);上海市曙光计划项目资助(06SG43);上海市重点学科建设项目资助(T0102)作者简介:张兆杨(1938-),男,教授,博士生导师,研究方向为图象及视频处理、编码与多媒体通信,zhyzhang @shu .edu .cn ;

安　平(1968-),女,教授,研究方向为图象及视频处理、三维视觉,anping @shu .edu .cn ;

刘苏醒(1980-),男,博士研究生,主要从事三维视频处理、编码与系统研究,liusuxing @sina .com .

摘　要:

作为基于DT V /HDT V 的二维(2D )显示之后的下一代视频显示技术,三维(3D )多视点立体显示已成为国际上的研究热点之一。为建立多视点立体显示系统,阐述了相关的关键技术,包括:光场表示模型和光场获取系统、高效的与现行视频标准兼容的多视点编码和传输方法、解码端任意位置视点的高效绘制方法、3D 显示技术以及多视点自由立体显示。针对上述关键技术,分析了当前国际上的发展趋势及存在的问题,同时提出了一种基于交互式自由立体显示的3D 视频处理系统的解决方案。

关键词:

立体显示;光场获取;多视点视频编码;视点绘制中图分类号:TP399.41 文献标识码:A 文章编号:1005-9490(2008)01-0302-06

Three -dimensional (3D )stereoscopic display

can provides mo re natural and im mersive visual effect w hich wins tremendous attention .A s is know n to all ,tw o of the impo rtant cues for human to gain three -dimensional information are binocular parallax and m otion parallax .Binocular parallax refers to seeing a different image o f the same object with each eye ,w hereas mo tio n parallax refers to

seeing different im ages of an object w hen mo ving

the head [1].To day ,although binocular stereopsis is still appreciated as the mo st im pressive w ay of perceiving 3D scene ,the classic tw o -view image form at is no longer reg arded to be the best w ay of representing 3D spatial info rmatio n due to its limit -ed view point .Therefo re ,the m ulti -view auto ster -eoscopic display ,w hich can pro vide binocular and