US PATENT SUBCLASS 348 / 400
.~.~ Involving hybrid transform and difference coding

Current as of: June, 1999
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384  DF  BANDWIDTH REDUCTION SYSTEM {7}
390  DF  .~ Bit-rate reduction {11}
400.~.~ Involving hybrid transform and difference coding {1}
401  DF  .~.~.~> With prior difference coding {1}

DEFINITION

Classification: 348/400

Involving hybrid transform and difference coding:

(under subclass 390) Subject matter wherein a remapping of image values (i.e., between spatial and frequency domains) occurs in combination with a diminution of signal quantity by comparison with a (temporally or spatial) preceding signal.