US PATENT SUBCLASS 382 / 272
.~.~ Based on a local average, mean, or median

Current as of: June, 1999
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382 /   HD   IMAGE ANALYSIS

254  DF  IMAGE ENHANCEMENT OR RESTORATION {7}
270  DF  .~ Variable threshold, gain, or slice level {3}
272.~.~ Based on a local average, mean, or median

DEFINITION

Classification: 382/272

Based on a local average, mean or median:

(under subclass 270) Subject matter wherein the threshold or quantization value of a particular image element depends on an average, mean or median measurement of neighboring elements, with a similar average, mean or median operation being applied to each element of the whole image.