System for processing a quantized vector using spatial frequency

Details System for processing a quantized vector using spatial frequency System for processing a quantized vector using spatial frequency

1994-10-19

1998-05-12

Couso, Jose L.

Image analysis

Image compression or coding

G06K 936

Patent

active

057518564

ABSTRACT:
A quantized vector decoder, a method of making the code book therefor, a system for transferring quantized vector, an image processing apparatus utilizing the vector quantization, and a vector quantizer are disclosed, the quantized vector being arranged to decode codes, which have been formed by vector-quantizing vectors formed of collecting a plurality of data items correlating to one another into output vectors, the decoder comprising: an input device for receiving the codes; a code book for previously storing the output vectors of the vector-quantized codes, each of the output vectors in the code book being constituted by a first output-vector component portion and a second output vector component portion; a retrieval device for retrieving the output vectors in the code book depending upon the correspondence between an input code and the first output-vector component portion; and an output device for transmitting the retrieved output vectors in the form of a combination of their first and second output vector component portions.

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