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Multiple description based image transmission with low density parity check codes

Savakis Andreas, Zervakis Michail, Tsagkatakis, Grigorios

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/936A88E7-68AE-4043-BC60-C43906BB4A3A-
Αναγνωριστικόhttps://doi.org/10.1109/ICIP.2008.4712186-
Αναγνωριστικόhttps://ieeexplore.ieee.org/document/4712186/-
Γλώσσαen-
Μέγεθος4 pagesen
ΤίτλοςMultiple description based image transmission with low density parity check codesen
ΔημιουργόςSavakis Andreasen
ΔημιουργόςZervakis Michailen
ΔημιουργόςΖερβακης Μιχαηλel
ΔημιουργόςTsagkatakis, Grigoriosen
ΕκδότηςInstitute of Electrical and Electronics Engineersen
ΠερίληψηThe multiple description coding framework is well-suited for the transmission of images in the presence of transmission errors. However, it has been mainly explored for idealized channels, where packets are either received correctly or not at all. In more realistic scenarios, bitstreams are affected by bit-level noise and error correcting codes must be employed. In the proposed scheme, the input image is decomposed into wavelet coefficients that are encoded using lattice vector quantization for the generation of multiple descriptions. Low-density parity-check (LDPC) codes are used for the protection of each stream, while joint decoding exploits the correlation between the multiple descriptions. The proposed joint source-channel decoding scheme can provide robust transmission of images by introducing a controlled amount of redundancy that can be used for error recovery. Results are presented for image transmission over binary symmetric and Gaussian channels.en
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-10-26-
Ημερομηνία Δημοσίευσης2008-
Θεματική ΚατηγορίαImage communicationen
Θεματική ΚατηγορίαParity check codesen
Θεματική ΚατηγορίαDecodingen
Θεματική ΚατηγορίαImage codingen
Θεματική ΚατηγορίαError correction codesen
Θεματική ΚατηγορίαWavelet coefficientsen
Θεματική ΚατηγορίαLatticesen
Θεματική ΚατηγορίαVector quantizationen
Θεματική ΚατηγορίαProtectionen
Θεματική ΚατηγορίαStreaming mediaen
Βιβλιογραφική ΑναφοράG. Tsagkatakis, M. Zervakis and A. Savakis, "Multiple description based image transmission with low density parity check codes," in 15th IEEE International Conference on Image Processing, 2008, pp. 2040-2043. doi: 10.1109/ICIP.2008.4712186en

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