Vector transform coder with multi-layered codebooks and dynamic

Details Vector transform coder with multi-layered codebooks and dynamic Vector transform coder with multi-layered codebooks and dynamic

1994-04-05

1996-05-28

Mancuso, Joseph

Image analysis

Image compression or coding

Transform coding

382253, G06K 936

Patent

active

055219888

ABSTRACT:
In a vector transform coding (VTC) scheme for image and video compression, a multi-layered codebook structure and a dynamic bit-allocation scheme in the vector transform domain are employed. The main advantage of this technique is that distortion is controlled by dynamically allocating more bits to vectors causing larger distortions and less bits to vectors causing smaller distortions.

REFERENCES:
patent: 4922508 (1990-05-01), Moriya
patent: 5086439 (1992-02-01), Asui et al.
patent: 5150209 (1992-09-01), Baker et al.
patent: 5235418 (1993-08-01), Lucas

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