Image analysis – Image compression or coding
Patent
1996-09-06
2000-03-07
Couso, Jose L.
Image analysis
Image compression or coding
382244, 382248, G06K 936
Patent
active
060350687
ABSTRACT:
A data processing scheme capable of realizing both the reduction of an amount of data due to the compression and the shortening of a time required to refer to data, as well as the lowering of the power consumption in a portable information device. A compression start position is detected, and data subsequent to the compression start position are compressed, and then a data sequence is generated from data prior to the compression start position and subsequent compressed data. In a case of reading a data sequence containing non-compressed data and subsequent compressed data, a boundary position between the non-compressed data and the compressed data is detected, and only the compressed data subsequent to the boundary position is expanded. In a case of reading data sequence containing compressed data in at least two segments which are separately compressed, only the compressed data in a top segment are expanded, and a data sequence is generated from expanded top segment data and compressed data in subsequent segments.
REFERENCES:
patent: 3830966 (1974-08-01), Aldrich et al.
patent: 5155484 (1992-10-01), Chambers, IV
Couso Jose L.
Do Anh Hong
Kabushiki Kaisha Toshiba
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