US PATENT SUBCLASS 382 / 221
.~.~.~.~ Counting difference pixels

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

181  DF  PATTERN RECOGNITION {8}
209  DF  .~ Template matching (e.g., specific devices that determine the best match) {5}
217  DF  .~.~ Electronic template {2}
218  DF  .~.~.~ Comparator {3}
221.~.~.~.~ Counting difference pixels {1}
222  DF  .~.~.~.~.~> Using an Exclusive-OR gate

DEFINITION

Classification: 382/221

Counting difference pixel*s:

(under subclass 218) Subject matter wherein pixel*s of a pattern* which do not match another pattern* are used to determine the degree of correspondence between the pattern*s.