Vector quantization: Difference between revisions

Revision as of 04:48, 5 April 2007

Revision as of 05:00, 5 April 2007

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Block Diagram:

A Simple Vector Quantizer is shown below

[[Image:vector.jpg]]

[[Image:Vector_quantization.JPG]]

It is evident that only the index of the codeword in the codebook is sent instead of the quantized values. This conserves space and achieved more compression.

[[Image:vector2Vector_quantization_2.jpggif]]

[[Twin vector quantization]] (VQF) is part of the [[MPEG-4]] standard dealing with time ___domain weighted interleaved vector quantization.