US PATENT SUBCLASS 358 / 466
.~.~.~.~ Variable thresholding technique

Current as of: June, 1999
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358 /   HD   FACSIMILE AND STATIC PRESENTATION PROCESSING

400  DF  FACSIMILE {17}
443  DF  .~ Specific signal processing circuitry {7}
448  DF  .~.~ Image processing {12}
465  DF  .~.~.~ Picture signal thresholding {1}
466.~.~.~.~ Variable thresholding technique

DEFINITION

Classification: 358/466

Variable thresholding technique:

(under subclass 465) Subject matter wherein the type of thresholding technique is determined by the image portion being analyzed.