Please use this identifier to cite or link to this item: http://hdl.handle.net/1783.1/2590

Efficient motion estimation algorithms for resolution down-conversion of compressed video

Authors Wong, Wai Chuen
Au, Oscar C.
Issue Date 2001
Summary In this paper, we propose several fast motion estimation algorithms for the compression of video down converted from some original compressed video. Firstly, we propose the Predictive Motion Estimation (PME) and its variants which achieve significantly higher PSNR than existing algorithms by perfoming a simple low-complexity search using candidate motion vectors from the original compressed video. Secondly, we propose the modified PME (MPME) with increased efficiency for cases with high conversion factor. Thirdly, we propose the ME-SVF which can achieve significantly higher PSNR than existing algorithtms by applying spatial varying filtering on the motion field without performing any search.
Subjects
Language English
Format Preprint
Access
Files in this item:
File Description Size Format
effic.pdf 2500947 B Adobe PDF