ROI and FOI algorithms for wavelet-based video compression

被引：0
|
作者：
Liu, CQ [1 ]
Xia, T
Li, H
机构：
[1] Natl Univ Singapore, Temasek Labs, Singapore 117548, Singapore
[2] Natl Univ Singapore, Ctr Wavelets, Singapore 117548, Singapore
来源：
ADVANCES IN MULTIMEDIA INFORMATION PROCESSING - PCM 2004, PT 3, PROCEEDINGS | 2004年 / 3333卷
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Many techniques make great contributions to video, compression with removal of spatial and temporal redundancy in and between frames. However, compressed video is still rather large for applications such as surveillance system. In order to compress more, in video compression techniques, region-of-interest (ROI) and frames-of-interest (FOI) codings could be addressed to set high priority to ROI or POI by allocating more bits than others. Normally, locations of related coefficients for the reconstruction of the ROI are calculated according to the filter lenghth. However, it is not efficient. In this paper a novel wavelet-based ROI and FOI scheme is proposed. Simulation results show excellent performance.
引用
收藏
页码：241 / 248
页数：8
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