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A JPEG 2000 error resilience method using uneven block-sized information included markers

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3 Author(s)
Pau-Choo Chung ; Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan ; Chin-Wen Wu ; Yen-Lang Huang

This paper proposes an uneven block-sized information included marker (UBIIM) in the use of JPEG 2000 to achieve both compression efficiency and error resilience capability. Included in the UBIIM approach is the marker adopted in JPEG 2000 devised to incorporate also error detection and correction capabilities. The UBIIM consists of VS Index and TR Index, where VS Index is used to indicate a value support block, one of the neighboring blocks of the erroneous block of which the pixel values will be most similar as the erroneous block. TR Index is used to indicate a texture reference block, the block in the corresponding position of the erroneous block in the same subband of one-higher level of which the pixel value distribution is similar as the erroneous block. When errors occur, a new block is formed to replace the erroneous block by value support block and texture reference block, to achieve error concealment. The sizes of the blocks in UBIIM are determined based on the importance factor of various levels of subbands, that is, different levels have different block sizes. With such approach, the possible overhead due to the addition of markers between every two blocks could be dramatically reduced, while error resilience capability significantly improved.

Published in:

IEEE Transactions on Circuits and Systems for Video Technology  (Volume:15 ,  Issue: 3 )