Analysis of sub-pixel motion estimation

被引：0
|
作者：
Bellers, EB [1 ]
de Haan, G [1 ]
机构：
[1] Philips Res Labs, Televis Syst Grp, NL-5656 AA Eindhoven, Netherlands
来源：
VISUAL COMMUNICATIONS AND IMAGE PROCESSING '99, PARTS 1-2 | 1998年 / 3653卷
关键词：
motion estimation; interpolation; sub-pixel; generalized sampling;
D O I：
10.1117/12.334655
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The use of interpolation filters in a motion estimator to realize sub-pixel shifts, may lead to unintentional preferences for some velocities over other. In this paper we analize this phenomenon, focussing on the case of interlaced image data where the problem leads to the most pronounced errors. Linear interpolators, either applied directly or indirectly using generalized sampling are discussed. The conclusions are applicable to any type of motion, estimator.
引用
收藏
页码：1452 / 1463
页数：12
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