NDLI: Reversible data hiding using B-tree triangular decomposition based prediction

Content Provider	IET Digital Library
Author	Uyyala, Ravi Pal, Rajarshi Prasad, Munaga V. N. K.
Abstract	A novel reversible data hiding (RDH) technique has been proposed in this study using a B-tree triangular decomposition-based prediction of image pixels. The superiority of a prediction error expansion-based RDH scheme depends on a good prediction strategy for image pixels. In the proposed scheme, the B-tree triangular decomposition is used to recursively decompose the image into a set of right-angled triangles. The vertices of such triangles serve as the reference pixels to predict (interpolate) the intensity values of other non-reference pixels within the triangle. Data bits are reversibly embedded into these non-reference pixels by expanding the prediction error. Moreover, according to the proposed scheme, the number of bits being embedded in these pixels is varied (either one or two bits) based on an estimated local complexity of the triangle. The local complexity of a triangle is computed from the intensity of vertices of the triangle. The superior performance of the proposed method is verified through extensive experiments.
Starting Page	1986
Ending Page	1997
Page Count	12
ISSN	17519659
Volume Number	13
e-ISSN	17519667
Issue Number	Issue 11, Sep (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ipr/13/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2019.0038
Journal	IET Image Processing
Publisher Date	2019-05-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	B-tree Triangular Decomposition-based Prediction Combinatorial Mathematics Computer Vision And Image Processing Technique Data Bits Data Encapsulation Estimated Local Complexity File Organisation Image Decomposition Image Pixel Image Processing Interpolation Interpolation And Function Approximation Mathematics Nonreference Pixel Numerical Analysis Optical, Image And Video Signal Processing Prediction Error Expansion RDH Scheme Reference Pixel Reversible Data Hiding Right-angled Triangles Trees
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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