A Still Image Compression System using Bitmatrix Arithmetic Coding 


Vol. 11,  No. 4, pp. 411-420, Aug.  2004
10.3745/KIPSTB.2004.11.4.411


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  Abstract

We propose a novel still image compression system, which is superior in its function than the JPEG2000 system developed by David Taubman. The system shows 40 : 1 high compression ratio using 22 bitmatrix subblock coding. The 2x2 bitmatrix subblock is constructed in the bitplanes by organizing the bits into subblocks composing of 2x2 matrices. The arithmetic coding performs the high compression by the bitmatrices in the subblock. The input of the system consists of a segmentation mode and a ROI(Region Of Interest) mode. In segmentation mode, the input image is segmented into a foreground consisting of letters and a background consisting of the remaining region. In ROI mode, the input image is represented by the region of interest window. The high compression ratio shows that the proposed system is competent among the JPEG2000 products currently in the market. This system also uses gray coding to improve the compression ratio.

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[IEEE Style]

J. M. Lee and H. S. Lee, "A Still Image Compression System using Bitmatrix Arithmetic Coding," The KIPS Transactions:PartB , vol. 11, no. 4, pp. 411-420, 2004. DOI: 10.3745/KIPSTB.2004.11.4.411.

[ACM Style]

Je Myung Lee and Ho Suk Lee. 2004. A Still Image Compression System using Bitmatrix Arithmetic Coding. The KIPS Transactions:PartB , 11, 4, (2004), 411-420. DOI: 10.3745/KIPSTB.2004.11.4.411.

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