Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Che-Sheng Lin0
Date of Patent
May 15, 2007
0Patent Application Number
104527200
Date Filed
June 3, 2003
0Patent Primary Examiner
Patent abstract
A method of compressing and decompressing images is disclosed for applications in compression and decompression chips with the JBIG standard. The pipeline of computing a pixel is divided into three parts: memory access, numerical operations, renormalization and byteout/bytein. Each steps takes a work cycle; therefore, three pixels are processed in parallel at the same time. In comparison, the work cycle of the prior art without pipeline improvement is longer. This method can effectively shorten the work cycle of each image data process, increasing the speed of compressing and decompressing image data.
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