Block arithmetic coding of contour images

Kyoil Kim; Jonglak Kim; Taejeong Kim

doi:10.1117/12.50254

1 November 1991 Block arithmetic coding of contour images

Kyoil Kim, Jonglak Kim, Taejeong Kim

Proceedings Volume 1605, Visual Communications and Image Processing '91: Visual Communication; (1991) https://doi.org/10.1117/12.50254
Event: Visual Communications, '91, 1991, Boston, MA, United States

Abstract

In this paper, we proposed two new contour coding techniques based on the arithmetic code, called block arithmetic coding and pre-processed block arithmetic coding. These techniques are intended to be used in the region-based image coding, and efficiently take advantage of the characteristics of the contour images. Blocks of pels in a contour image are treated as non-binary symbols. The efficiency of the binary arithmetic code is extended to coding of non-binary symbols via tree structured arrangement of binary arithmetic codes. The performances of the proposed techniques are compared with those of the techniques already reported, such as chain codes, READ codes, ordering techniques, and binary arithmetic codes. By computer simulations, the proposed techniques are shown to outperform any other existing technique.

Citation Download Citation

Kyoil Kim, Jonglak Kim, and Taejeong Kim "Block arithmetic coding of contour images", Proc. SPIE 1605, Visual Communications and Image Processing '91: Visual Communication, (1 November 1991); https://doi.org/10.1117/12.50254

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