US PATENT SUBCLASS 348 / 397
.~.~ Using separate coders for different picture features (e.g., highs, lows)

Current as of: June, 1999
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348 /   HD   TELEVISION

384  DF  BANDWIDTH REDUCTION SYSTEM {7}
390  DF  .~ Bit-rate reduction {11}
397.~.~ Using separate coders for different picture features (e.g., highs, lows) {1}
398  DF  .~.~.~> Sub-band encoding (e.g., low horizontal/low vertical frequency, low horizontal/high vertical frequency)

DEFINITION

Classification: 348/397

Using separate coders for different picture features (e.g., highs, lows):

(under subclass 390) Subject matter wherein individual discrete systems of characters or rules are used for representing information related to diverse image portions.