26 June 1996 Sensor for computing velocities of multiple objects moving along a line
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Abstract
Limitations inherent to the linear optical field assumption are discussed. A modified time-to-crash detector conception is proposed. The main features of our approach are a logarithmic compression of image in space, differentiation of the logarithm of light intensity in space and time, detecting local expansion using a nearest-neighbor logical circuitry, and an automatic choosing of the contour for the time-to-crash estimation.
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Alexander I. Krymsky, Alexander I. Krymsky, Guy Meynants, Guy Meynants, } "Sensor for computing velocities of multiple objects moving along a line", Proc. SPIE 2745, Infrared Readout Electronics III, (26 June 1996); doi: 10.1117/12.243535; https://doi.org/10.1117/12.243535
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