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Discriminatory Lossy Source Coding: Side Information Privacy

Author(s): Tandon, Ravi; Sankar, Lalitha; Poor, H Vincent

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Abstract: A lossy source coding problem is studied in which a source encoder communicates with two decoders, one with and one without correlated side information with an additional constraint on the privacy of the side information at the uninformed decoder. Two cases of this problem arise depending on the availability of the side information at the encoder. The set of all feasible rate-distortion-equivocation tuples is characterized for each case. The difference between the informed and uninformed cases and the advantages of encoder side information for enhancing privacy are highlighted for a binary symmetric source with erasure side information and Hamming distortion.
Publication Date: Sep-2013
Citation: Tandon, Ravi, Lalitha Sankar, and H. Vincent Poor. "Discriminatory lossy source coding: Side information privacy." IEEE transactions on information theory 59, no. 9 (2013): 5665-5677. doi:10.1109/TIT.2013.2259613
DOI: 10.1109/TIT.2013.2259613
ISSN: 0018-9448
EISSN: 1557-9654
Pages: 5665 - 5677
Type of Material: Journal Article
Journal/Proceeding Title: IEEE Transactions on Information Theory
Version: Author's manuscript

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