| KS OmniScriptum Publishing

122,920원  | 20130116  | 9783659311154

In this book we describe a technique of watermarking which is LSB(least significant bit) and DWT (Discrete Wavelet Transform ).watermarking is a processes of embedded a text or mark into an image in such a way that no one can easily detect or remove this text or mark . LSB and DWT is a method of watermarking which describe in this book. watermarking method is widely used in our daily life like fraud passport identification,tampering with images etc.

 | Steadfast Bibles

30,520원  | 20230207  | 9781636641973

 | Information Science Reference

232,810원  | 20190412  | 9781522597209

Presents research exploring the theoretical and practical aspects of data encryption techniques and applications within computer science. The book provides introductory knowledge on steganography, analysis of how RS and PDH are performed, discussion on pixel value differencing principles, and hybrid approaches using substitution, PVD, and EMD.