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This book described a generalized approach pertaining to essential concepts of steganographic techniques insight into the fundamentals. Steganographic techniques are illustrated using flow diagram, algorithms, and examples along with various parametric tests like PSNR, IF, Error analysis, Histogram analysis and comparison of relative performances of various techniques using number of benchmark images. The contributions are divided into two categories namely in spatial domain and frequency domain. Steganographic approaches described fall under single bit, two bits, three bits steganography both in spatial and frequency domains. Processes are illustrated and applied in various ways, providing a comprehensive understanding of the topic. The algorithmic design of the methods leads to a model towards end of the materials. The techniques are analysed rigorously and compared with latest available techniques for their relative performances. The book is aimed at the graduate students, technology professionals in computer sciences, Information Technology, Electronics engineer and research scholars of various branches as it is written in an easytounderstand manner.
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