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Issue No. 06 - November/December (1992 vol. 12)
ISSN: 0272-1732
pp: 46-57
<p>An analog, parallel, computational system, built on a single, power-lean, CMOS VLSI chip, that labels all points inside a possibly incomplete and noisy contour in real time is described. The circuit performs figure-ground segregation of a scene, labeling all the points inside a designated figure by one voltage and all other parts outside this object using a different voltage value. Its behavior is shown to be robust, since small breaks in the contour are automatically sealed, providing for figure-ground segregation in a noisy environment. The two major limitations of the current figure-ground chip are its limited capability for recognizing figures with large gaps in the contour and the constraint that the figure always has to be centered.</p>

C. Koch, J. Luo and B. Mathur, "Figure-Ground Segregation Using an Analog VLSI Chip," in IEEE Micro, vol. 12, no. , pp. 46-57, 1992.
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