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IEICE TRANSACTIONS on Fundamentals

A Two-Dimensional Network of Analog Circuits for Motion Detection Based on the Frog Visual System

Kimihiro NISHIO, Hiroo YONEZU, Yuzo FURUKAWA

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Summary :

A two-dimensional network for motion detection constructed of simple analog circuits was proposed and designed based on the frog visual system. In the frog visual system, the two-dimensional motion of a moving object can be detected by performing simple information processing in the tectum and thalamus of the frog brain. The measured results of the test chip fabricated by a 1.2 µm complementary metal oxide semiconductor (CMOS) process confirmed the correct operation of the basic circuits in the network. The results obtained with the simulation program with integrated circuit emphasis (SPICE) showed that the proposed network can detect the motion direction and velocity of a moving object. Thus, a chip for two-dimensional motion detection was realized using the proposed network.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E89-A No.2 pp.428-438
Publication Date
2006/02/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e89-a.2.428
Type of Manuscript
Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
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