Patent EP0593159A2 successfully refreshed from Google Patents.
EP0593159A2
Expired / Lapsed
EP
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Image processing apparatus
Assignee: Hudson Soft Co Ltd
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Filing: 1993-09-03
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Granted: —
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Expires: 2013-09-03
Abstract
Abstract Image data composed of plural blocks are compressed in accordance with the coefficient of a Q-table. The coefficient may be changed for each block using a Q-factor so that display quality of the image may be changed block-by-block easily.
Inventors
- 👤 Seiji c/o Hudson Soft Co. Ltd. Tateyama
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 12:11
CPC Classifications
G; G06; G06T; G06T1/00; G06T1/0007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
An image processing apparatus, in which image data composed of plural blocks are compressed to be well managed, comprising; means for storing a matrix table; means for storing a predetermined factor; means for quantizing the image data for each block in accordance with the matrix table; and means responsive to the factor storing means for changing the matrix table.
Claim 2
Dependent Claim
67 words
An image processing apparatus, in which image data composed of plural blocks are compressed to be well managed, comprising; means for detecting the color blocks which have the same color and are arranged continuously; and means responsive to the detecting means for encoding the image data by using a color code representing the same color and a length code representing the number of the same color blocks.
References Cited (Backward Citations)
No citation records indexed.
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