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Progressive Image Transmission Based on Joint Source-Channel Decoding Using Adaptive Sum-Product Algorithm
2007
EURASIP Journal on Image and Video Processing
A joint source-channel decoding method is designed to accelerate the iterative log-domain sum-product decoding procedure of LDPC codes as well as to improve the reconstructed image quality. Error resilience modes are used in the JPEG2000 source codec making it possible to provide useful source decoded information to the channel decoder. After each iteration, a tentative decoding is made and the channel decoded bits are then sent to the JPEG2000 decoder. The positions of bits belonging to
doi:10.1155/2007/69805
fatcat:pakdc4ka25c73hbjjepf6bczte