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A Study on Low-Band-Shift with Integer Lifting for Effective Motion Estimation  

Baek, Jung-Eun (홍익대학교 컴퓨터정보통신공학과)
Jang, Sun-Bong (홍익대학교 전자공학과)
Shin, Jong-Hong (한국사이버대학교 컴퓨터정보통신학부)
Jee, Inn-Ho (홍익대학교 컴퓨터정보통신공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.10C, 2006 , pp. 948-955 More about this Journal
Abstract
In this paper, we propose motion estimation and compensation using Low-Band-Shift(LBS) with Integer Lifting Shift property. To overcome shift-variant property on wavelet coefficients, the LBS was previously proposed. This method which is applied to reference frame in video coding technique has superior performance in terms of rate-distortion characteristic. However, this method needs more memory and computational complexity. For the enhancement of those disadvantages, we propose motion estimation using Low-Band-Shift with Integer Lifting. The Integer Lifting implementation gives us good efficiency of calculation and storage.
Keywords
Integer Lilting; Low-Band-Shift( LBS); Shift Variant; Motion Estimation;
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