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- W1977098227 abstract "The authors have designed and tested a one-dimensional 64 pixel, analog CMOS VLSI chip which localizes intensity edges in real-time. This device exploits on-chip photoreceptors and the natural filtering properties of resistive networks to implement a scheme similar to and motivated by the Difference of Gaussians (DOG) operator proposed by Marr and Hildreth (1980). The chip computes the zero-crossings associated with the difference of two exponential weighting functions and reports only those zero-crossings at which the derivative is above an adjustable threshold. A real-time motion detection system based on the zero- crossing chip and a conventional microprocessor provides linear velocity output over two orders of magnitude of light intensity and target velocity." @default.
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- W1977098227 date "1991-07-09" @default.
- W1977098227 modified "2023-10-18" @default.
- W1977098227 title "<title>Real-time motion detection using an analog VLSI zero-crossing chip</title>" @default.
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- W1977098227 doi "https://doi.org/10.1117/12.45541" @default.
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