Reversible Watermarking Technique using Histogram Shifting Modulations
Archana Jadhav1, M. Omkar Sharma2

1Ms. Archana Jadhav, Department of Computer Engineering, CMR College of Engineering, Hyderabad (Telangana), India.
2Prof. M. Omkar Sharma, Department of Computer Engineering, CMR College of Engineering, Hydrabad (Telangana), India.
Manuscript received on 10 September 2014 | Revised Manuscript received on 20 September 2014 | Manuscript Published on 30 September 2014 | PP: 29-33 | Volume-4 Issue-4, September 2014 | Retrieval Number: D1782094414/14©BEIESP
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Abstract: This paper proposes creating new reversible marking technique. This originally based on indentifying parts of the image which are watermarked using two different Histogram Shifting (HS) modulations. One is Pixel Histogram shifting and other is Dynamic Prediction Error Histogram Shifting (DPEHS). This technique offers a very good compromise in terms of capacity and image quality preservation for medical image and natural image. The Prediction Error Histogram Shifting (DPEHS) can be combined with the expansion embedding (EE) modulation as well as pixel prediction.
Keywords: Dynamic Prediction Error Histogram Shifting (DPEHS), Expansion Embedding (EE), Histogram Shifting (HS), Pixel Histogram Shifting (PHS).

Scope of the Article: Regression and Prediction