US PATENT SUBCLASS 348 / 420
.~.~ Involving block coding

Current as of: June, 1999
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384  DF  BANDWIDTH REDUCTION SYSTEM {7}
390  DF  .~ Bit-rate reduction {11}
420.~.~ Involving block coding {1}
421  DF  .~.~.~> PCM represents minimum, maximum, or average of block

DEFINITION

Classification: 348/420

Involving block coding:

(under subclass 390) Subject matter wherein the sampled and quantized image matrix is processed by the use of plural submatrices of reduced area.