Analog CMOS velocity sensors

Charles M. Higgins; Christof Koch

doi:10.1117/12.275167

25 April 1997 Analog CMOS velocity sensors

Charles M. Higgins, Christof Koch

Proceedings Volume 3019, Solid State Sensor Arrays: Development and Applications; (1997) https://doi.org/10.1117/12.275167
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

A family of analog CMOS velocity sensors is described which measures the velocity of a moving edge by computing its time of travel between adjacent pixels. These sensors are compact, largely invariant to illumination over a wide range, sensitive to edges with very low contrast, and responsive to several orders of magnitude of velocity. Two successful 1D velocity sensors are described in detail; preliminary data on a new 2D velocity sensor is shown. Work in progress to extend these sensors to processing of 2D optical flow is outlined.

Citation Download Citation

Charles M. Higgins and Christof Koch "Analog CMOS velocity sensors", Proc. SPIE 3019, Solid State Sensor Arrays: Development and Applications, (25 April 1997); https://doi.org/10.1117/12.275167

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