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R. Crandall introduced in the matrix encoding idea to improve the embedding efficiency for steganography. The steganographic algorithm F5 proposed by Westfeld is the first implementation of the matrix encoding concept to reduce modification of the quantized DCT coefficients. In this paper, a new construction of protocol steganography is considered, it is an extension of the error correcting code and...
A novel gait authentication scheme based on distributed source coding principles is proposed. Biometric recognition is formulated as a coding problem with noisy side information at the decoder and error correcting codes are employed for user authentication. The effective exploitation of the noise channel statistics in the decoding process improves performance. It is also shown that the proposed method...
This paper presents a reduced-reference image quality assessment scheme using distributed source coding for remotely monitoring image quality. In our scheme, an image server extracts a feature vector from the original image and transmits its Slepian-Wolf syndrome using an LDPC encoder. With the rate of the Slepian-Wolf bitstream chosen according to a predetermined admissible image quality, the receiver...
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