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Analog VLSI motion discontinuity detectors for image segmentation

Two analog integrated circuits that locate velocity discontinuities in a one-dimensional image are presented. Each circuit combines the image-sensing stage and the motion-processing stage on a single chip. The circuits are compact and operate in real time, so that they are suitable for use in mobile systems to perform image segmentation for navigation purposes. Both chips were tested with high-contrast stimuli and showed good performance.