Method for constructing a quantization pattern codebook

Details Method for constructing a quantization pattern codebook Method for constructing a quantization pattern codebook

1994-09-12

1996-07-09

Britton, Howard W.

Television

Bandwidth reduction system

Data rate reduction

375245, 348422, H04N 750

Patent

active

055349307

ABSTRACT:
A quantization pattern codebook is prepared by way of: merging each pair of pattern clusters into a merged pattern cluster until all combinable pairs of the pattern clusters are merged to derive a set of merged pattern clusters; calculating the rate of bit increment by subtracting the total number of quantization bits in the pair of the quantization patterns used in the merging process from the total number of quantization bits in the merged pattern cluster derived from the pair of the pattern clusters; and determining the merged pattern cluster having a minimum rate of bit increment as one of the cluster patterns to be stored in the pattern code book.

REFERENCES:
patent: 5134477 (1992-07-01), Knauer
patent: 5283646 (1994-02-01), Bruder
patent: 5426463 (1995-06-01), Reininger

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