Image analysis – Histogram processing – For setting a threshold
Patent
1988-09-30
1992-04-28
Mancuso, Joseph
Image analysis
Histogram processing
For setting a threshold
358105, 36442401, 382 22, 901 1, G06K 900
Patent
active
051094258
ABSTRACT:
A computer-simulated cortical network computes the visibility of shifts in the direction of movement and computes: 1) the magnitude of the position difference between the test and background patterns, 2) localized contrast differences at different spatial scales analyzed by computing temporal gradients of the difference and sum of the outputs of paired even- and odd-symmetric bandpass filters convolved with the input pattern and 3) using global processes that pool the output from paired even- and odd-symmetric simple and complex cells across the spatial extent of the background frame of reference to determine the direction a test pattern moved relative to a textured background. The direction of movement of an object in the field of view of a robotic vision system is detected in accordance with non-linear Gabor function algorithms. The movement of objects relative to their background is used to infer the 3-dimensional structure and motion of object surfaces.
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Jones Thomas H.
Mancuso Joseph
Manning John R.
The United States of America as represented by the United States
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