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Figure-ground segregation using an analog VLSI chip

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3 Author(s)
J. Luo ; Tanner Research Inc., Pasadena, CA, USA ; C. Koch ; B. Mathur

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.<>

Published in:

IEEE Micro  (Volume:12 ,  Issue: 6 )