Title :
Error protection for progressive image transmission over memoryless and fading channels
Author :
Sherwood, P. Greg ; Zeger, Kenneth
Author_Institution :
Dept. of Electr. & Comput. Eng., California Univ., San Diego, La Jolla, CA, USA
fDate :
12/1/1998 12:00:00 AM
Abstract :
Product channel codes are proposed to protect progressively compressed and packetized images for noisy channels. Within packets, the product code uses the concatenation of a rate-compatible punctured convolutional code and an error detecting parity check code. Across packets, Reed-Solomon codes are used. Benefits include flexible choice of delay, adaptability of error protection level (i.e., unequal error protection), and scalable decoding complexity. The system outperforms the best known image coders for memoryless channels and performs well on fading channels
Keywords :
Reed-Solomon codes; channel coding; computational complexity; concatenated codes; convolutional codes; decoding; error detection codes; fading channels; image coding; memoryless systems; noise; visual communication; Reed-Solomon codes; concatenated code; delay; error detecting parity check code; fading channels; image coders; memoryless channels; noisy channels; packetized images; product channel codes; progressive image transmission; progressively compressed images; rate-compatible punctured convolutional code; scalable decoding complexity; unequal error protection; Convolutional codes; Decoding; Delay; Error correction codes; Image coding; Image communication; Parity check codes; Product codes; Protection; Reed-Solomon codes;
Journal_Title :
Communications, IEEE Transactions on
