Fast ITTBC using pattern code on subband segmentation

Sung Shick Koh; Hanchil Kim; Kooyoung Lee; Hongbin Kim; Hun Jeong; Gangseok Cho; Chunghwa Kim

doi:10.1117/12.389445

28 June 2000 Fast ITTBC using pattern code on subband segmentation

Sung Shick Koh, Hanchil Kim, Kooyoung Lee, Hongbin Kim, Hun Jeong, Gangseok Cho, Chunghwa Kim

Proceedings Volume 4080, Input/Output and Imaging Technolgies II; (2000) https://doi.org/10.1117/12.389445
Event: Photonics Taiwan, 2000, Taipei, Taiwan

Abstract

Iterated Transformation Theory-Based Coding suffers from very high computational complexity in encoding phase. This is due to its exhaustive search. In this paper, our proposed image coding algorithm preprocess an original image to subband segmentation image by wavelet transform before image coding to reduce encoding complexity. A similar block is searched by using the 24 block pattern codes which are coded by the edge information in the image block on the domain pool of the subband segmentation. As a result, numerical data shows that the encoding time of the proposed coding method can be reduced to 98.82% of that of Joaquin's method, while the loss in quality relative to the Jacquin's is about 0.28 dB in PSNR, which is visually negligible.

Citation Download Citation

Sung Shick Koh, Hanchil Kim, Kooyoung Lee, Hongbin Kim, Hun Jeong, Gangseok Cho, and Chunghwa Kim "Fast ITTBC using pattern code on subband segmentation", Proc. SPIE 4080, Input/Output and Imaging Technolgies II, (28 June 2000); https://doi.org/10.1117/12.389445

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