Titlebook: Reversible Steganography and Authentication via Transform Encoding; Jyotsna Kumar Mandal Book 2020 Springer Nature Singapore Pte Ltd. 2020

Redundant

Discrete Cosine Transformation-Based Reversible Encoding,sed along with its inverse transform pair. Sub-image (window)-based transform encoding with embedding and extraction process is given in detail based on 2 x 2 mask along with technical details of message encoding/decoding process. Various properties of DCT are also discussed. Computations of 2D and

花束

ingestion

否認

Reversible Transform Encoding via Discrete Binomial Transformation,eginning of the chapter. The computation of reversibility is done with 2 x 2 sub-image with complete numerical examples. Algorithm for embedding and authentication has been discussed in detail with citation of numerical examples. Complete implementation of an algorithm for embedding and extraction i

Conclave

Reversible Transform Encoding Using Grouplet Transformation,or forward and inverse computation are discussed. Construction of G-Let D3 to D10 based on rotation and reflection operations is done extensively. Reversibility computation of G-Let D3 to D10 is also given in detail. Implementation of G-Let for all D3 to D10 for reversibility computation is shown in

wall-stress

Nonlinear Dynamics in Transform Encoding-Based Authentication,e chaotic equations are outlined in detail. Various tests for true randomness of binary sequence are given. Algorithm of image encryption/authentication using chaotic map in association with Arnold’s cat map and hash function is given elaborately. GA-anchored chaos for generation of optimized chaoti

萬神殿

Infant

Conclusions,rsibility of transform equation and to avoid imaginary components of the transform computations. Reversibility computations of transformation techniques are done here, namely DFT, DCT, wavelets, Z-transform, Binomial and Grouplet. The chaos-based authentication pseudorandom number sequence generatio

猛烈責罵

Future Directions,sform domain computations. This book contains transform encoding-based image authentication systems in detail. Six transformation techniques are given here in terms of reversible computations, embedding, extractions and authentication along with testability metrics. For the entire computations of th

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