Image compression apparatus

Details Image compression apparatus Image compression apparatus

1995-12-26

2000-06-13

Couso, Jose L.

Image analysis

Image compression or coding

382250, 382251, 348405, G06K 936

Patent

active

06075897&

ABSTRACT:
An image compression apparatus includes an orthogonal transformation circuit for orthogonally transforming image data to obtain a transformation coefficient, a quantization unit for quantizing the transformation coefficient by using a quantization table to obtain quantized data, a first storage unit for storing the quantized data, a compression-coding unit for compression-coding the quantized data read out from the first storage unit to obtain coded data, and a second storage unit for storing the coded data.

REFERENCES:
patent: 5245427 (1993-09-01), Kunihiro
patent: 5357584 (1994-10-01), Yamoska
patent: 5398078 (1995-03-01), Masuda et al.
patent: 5479527 (1995-12-01), Chen
patent: 5543845 (1996-08-01), Asamura et al.
patent: 5570203 (1996-10-01), Suzuki et al.
patent: 5621466 (1997-04-01), Miyane et al.

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