Image decompressing apparatus with efficient image data transfer

Details Image decompressing apparatus with efficient image data transfer Image decompressing apparatus with efficient image data transfer

1997-01-09

1998-12-15

Tran, Phuoc

Image analysis

Image compression or coding

Including details of decompression

345521, G06K 936, G06K 946

Patent

active

058504834

ABSTRACT:
A synchronous semiconductor memory device is utilized as an image data storage memory, and at most two pixels as one word are alternately stored in first and second banks of the synchronous semiconductor memory device. Respective pixel data of two types of color-difference signals as to the same pixel are stored in the same address position of the banks of the synchronous semiconductor memory device. Necessary data can be transferred by the burst length of the synchronous semiconductor memory device while suppressing overhead of page change to the minimum by alternately accessing the first and second banks.

REFERENCES:
patent: 5379356 (1995-01-01), Purcell et al.
patent: 5572691 (1996-11-01), Koudmani
Nikkei Electronics 1994 Mar.14, pp. 82-116.

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