Error-resilient EBCOT image coding with content classification

Te-Chung Yang; Sunil Kumar; C.-C. Jay Kuo

doi:10.1117/12.383020

19 April 2000 Error-resilient EBCOT image coding with content classification

Te-Chung Yang, Sunil Kumar, C.-C. Jay Kuo

Proceedings Volume 3974, Image and Video Communications and Processing 2000; (2000) https://doi.org/10.1117/12.383020
Event: Electronic Imaging, 2000, San Jose, CA, United States

Abstract

EBCOT, as the baseline algorithm of JPEG-2000 final draft, is an efficient image coding technique. It is inherently more error resilient than many other wavelet-based schemes due to its independent coding of blocks in each subband. However, the loss of data of a block, in any lower frequency subband, in EBCOT can still degrade the perceptual image quality considerably. As robust entropy codes are used, the information of image content can help recover damaged regions of blocks. This paper discusses the use of reversible variable length codes (RVLC) and data partitioning for coding lower frequency subbands in EBCOT, instead of arithmetic codes. The selection of RVLC is based on content of images, which is classified as active and shape. We have observed that the proposed approach has very little additional bit-rate overhead and improved performance in the presence of errors from the help of content.

Citation Download Citation

Te-Chung Yang, Sunil Kumar, and C.-C. Jay Kuo "Error-resilient EBCOT image coding with content classification", Proc. SPIE 3974, Image and Video Communications and Processing 2000, (19 April 2000); https://doi.org/10.1117/12.383020

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