US PATENT SUBCLASS 358 / 448
.~.~ Image processing


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.~.~ Image processing {12}
449  DF  .~.~.~> Document size detection
450  DF  .~.~.~> Plural images combined into a single image
451  DF  .~.~.~> Picture size conversion
452  DF  .~.~.~> Image editing
453  DF  .~.~.~> Image portion selection
454  DF  .~.~.~> Moire effect elimination
455  DF  .~.~.~> Gray level processing {2}
462  DF  .~.~.~> Text and image detection and processing
463  DF  .~.~.~> Noise elimination
464  DF  .~.~.~> To distinguish intelligence from background
465  DF  .~.~.~> Picture signal thresholding {1}
467  DF  .~.~.~> Image classification and coding


DEFINITION

Classification: 358/448

Image processing:

(under subclass 443) Subject matter wherein an image signal is processed in some manner to either change or improve the image for reproduction.