Improving the payload of watermarking channels via LDPC coding

The payload increase of watermarking channels via the use of low-density parity check (LDPC) codes is considered. The bit error rate and payload size problem is addressed in the light of the performance of typical transform-domain spread-spectrum watermarking techniques. Simulation results indicate...

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Bibliographic Details
Published in:IEEE signal processing letters 2004-02, Vol.11 (2), p.90-92
Main Authors: Bastug, A., Sankur, B.
Format: Article
Language:English
Subjects:
Bit error rate
Channels
Coding
Discrete cosine transforms
Discrete Fourier transforms
Image converters
Modulation coding
Parity
Parity check codes
Payloads
Pixel
Repetition
Signal processing
Simulation
Spread spectrum communication
Watermarking
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Summary:The payload increase of watermarking channels via the use of low-density parity check (LDPC) codes is considered. The bit error rate and payload size problem is addressed in the light of the performance of typical transform-domain spread-spectrum watermarking techniques. Simulation results indicate that the information payload can be doubled via judicious use of LDPC codes vis-a/spl grave/-vis the performance of the Bose-Chaudhuri-Hochquenghem and repetition codes.
ISSN:1070-9908
1558-2361
DOI:10.1109/LSP.2003.819350