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Lecture Notes in Computer Science
In this paper, we develop a robust image data hiding scheme based on multiple description coding of the signature image. At the transmitter, the signature image is encoded by balanced two-description scalar quantizers in the wavelet transform domain. The information of the two descriptions are embedded in the host image in the spatial domain with a masking factor derived from the gradient of the image intensity values. At the receiver, the multiple description decoder combines the informationdoi:10.1007/978-3-540-39737-3_82 fatcat:x6ygoj2nzngazjmbal7qdaex74