A biomimetic VLSI sensor for visual tracking of small moving targets

被引：13
|
作者：
Higgins, CM [1 ]
Pant, V
机构：
[1] Univ Arizona, Dept Elect & Comp Engn, Tucson, AZ 85721 USA
[2] Univ Arizona, Arizona Res Labs, Div Neurobiol, Tucson, AZ 85721 USA
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2004年 / 51卷 / 12期
关键词：
analog very large-scale integration (VLSI); biomimetic; spatiotemporal frequency; target tracking; visual motion;
D O I：
10.1109/TCSI.2004.836856
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：
Taking inspiration from the visual system of the fly, we describe and characterize a monolithic analog very large-scale integration sensor, which produces control signals appropriate for the guidance of an autonomous robot to visually track a small moving target. This sensor is specifically designed to allow such tracking even from a moving imaging platform which experiences complex background optical flow patterns. Based on relative visual motion of the target and background, the computational model implemented by this sensor emphasizes any small-field motion which is inconsistent with the wide-field background motion.
引用
收藏
页码：2384 / 2394
页数：11
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