Review Papers | Electronics & Communication Engineering | India | Volume 3 Issue 6, June 2014
Robust Reversible Watermarking via Invariant Image Classification and DHS
Mahadevi R. D | Chandrappa D. N
Abstract: In this paper a new reversible watermarking scheme is proposed based on Dynamic Histogram Shifting (DHS). It adaptively takes care of the local specicities of the image content. Further a reference image is derived which is a copy of image itself. This reference image is invariant to the watermark insertion process. For identifying parts of the image that can be watermarked; Classication process is used. Further; Embedder and Extractor both use same reference image. Hence synchronisation exists between embedder and extractor for message extraction and image reconstruction. For sensitive images like medical or military images; our scheme can insert more data with lower distortion than other methods.
Keywords: Dynamic Histogram Shifting, Image Classification, Reversible Watermarking, Prediction error
Edition: Volume 3 Issue 6, June 2014,
Pages: 1533 - 1536
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