Title :
An efficient error concealment method for JPEG2000 image transmission
Author :
Jieyu, Liu ; Guizhong, Liu ; Long, Liu ; Zhanhui, Wang
Author_Institution :
Sch. of Electron. & Inf. Eng., Xi´´an Jiaotong Univ., China
Abstract :
This paper presents two error concealment (EC) techniques for image transmission in JPEG2000, one for the lowest frequency coefficients (the low-frequency EC) and the other for high frequency coefficients (the high-frequency EC). The low-frequency EC algorithm uses a data hiding technique and the packet structure of JPEG2000. The low-frequency coefficients, which are taken as the hidden data, are extracted from the compressed bitstream, and embedded back into the same bitstream. The restored hidden data is used to conceal errors. The high-frequency reconstruction is performed on a bitplane basis. The damaged bitplanes are recovered according to the correlation in the wavelet subbands structure, in which the edge information is detected at first. Experiments show the effectiveness of these algorithms.
Keywords :
data compression; data encapsulation; edge detection; error correction codes; image coding; image reconstruction; transform coding; visual communication; wavelet transforms; JPEG2000; compressed bitstream; correlation; damaged bitplane recovery; data hiding; edge information detection; error concealment; high-frequency EC; high-frequency reconstruction; image transmission; low-frequency EC; packet structure; wavelet subband structure; Data encapsulation; Data mining; Decoding; Frequency; Image communication; Image edge detection; Resilience; Streaming media; Transform coding; Wavelet coefficients;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on
Print_ISBN :
0-7803-8484-9
DOI :
10.1109/ICASSP.2004.1326631
