Image analysis – Histogram processing – For setting a threshold
Patent
1981-05-29
1983-07-26
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
364900, 382 49, G06K 900, G06F 1520
Patent
active
043956998
ABSTRACT:
An image analyzer system employs at least one neighborhood transformation stage for analyzing groups of neighborhood pixel values and selectively transforming the pixel values as a result of the analysis. In one embodiment, the center pixel in the neighborhood is changed to a programmable transformation value if it and its neighboring pixels have particular values. Preferably, the stage includes a programmable memory loaded by a central controller which is utilized to determine whether neighboring pixels of particular values are configured in a preselected pattern. The stage may also include another programmable memory for assigning selected values to the digital signals depending upon their original values as they enter the stage.
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Boudreau Leo H.
Environmental research Institute of Michigan
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