Title :
An insect vision-based motion detection chip
Author :
Moini, Alireza ; Bouzerdoum, Abdesselam ; Eshraghian, Kamran ; Yakovleff, Andre ; Nguyen, Xuan Thong ; Blanksby, Andrew ; Beare, Richard ; Abbott, Derek ; Bogner, Robert Eugene
Author_Institution :
Dept. of Electr. & Electron. Eng., Adelaide Univ., SA, Australia
fDate :
2/1/1997 12:00:00 AM
Abstract :
The architectural and circuit design aspects of a mixed analog/digital very large scale integration (VLSI) motion detection chip based on models of the insect visual system are described. The chip comprises two one-dimensional 64-cell arrays as well as front-end analog circuitry for early visual processing and digital control circuits. Each analog processing cell comprises a photodetector, circuits for spatial averaging and multiplicative noise cancellation, differentiation, and thresholding. The operation and configuration of the analog cells is controlled by digital circuits, thus implementing a reconfigurable architecture which facilitates the evaluation of several newly designed analog circuits. The chip has been designed and fabricated in a 1.2-μm CMOS process and occupies an area of 2×2 mm2
Keywords :
CMOS integrated circuits; VLSI; mixed analogue-digital integrated circuits; motion estimation; 1.2 micron; CMOS process; analog processing cells; circuit design; digital control circuit; insect vision; mixed analog/digital VLSI chip; motion detection; one-dimensional array; reconfigurable architecture; template model; Circuit synthesis; Digital circuits; Digital control; Insects; Motion detection; Noise cancellation; Photodetectors; Reconfigurable architectures; Very large scale integration; Visual system;
Journal_Title :
Solid-State Circuits, IEEE Journal of
