AN ERROR ANALYSIS OF GRADIENT-BASED METHODS

被引：5
|
作者：
LEE, JH
KIM, SD
机构：
[1] Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Taejon, 305-701, 373-1, Kusong-Dong, Yusong-Gu
来源：
SIGNAL PROCESSING | 1994年 / 35卷 / 02期
关键词：
VELOCITY COMPUTATION; ERROR ANALYSIS; QUANTIZATION ERROR; SAMPLING;
D O I：
10.1016/0165-1684(94)90044-2
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：
This short communication derives an estimate for the relative error in the velocity computed through gradient-based methods. The effects caused by the image quantization and sampling process are analyzed separately. For the sake of simplicity, we deal with the one-dimensional image brightness translating with a constant velocity. It is hoped that the results obtained will be utilized for an improved estimation of the velocity.
引用
收藏
页码：157 / 162
页数：6
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