Digital Image Processing By Jayaraman S, Veerakumar T, Esakkirajan 12
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I just started learning about image processing. I am using the book "Digital image processing" by Gonzalez and Woods but I don't like this book very much. I would like to read a book which can actually make me interested in image processing.
Do you really want to read a book? As a good resource to start, I'd suggest playing around with the scikit-image library. Trying the classical algorithms with real-world images will give you a nice feel of how difficult & amusing image processing is.
Watermarking is the process whereby a host media is embed- ded with data for the purpose of protection and authentica- tion. In general digital watermarking involves two major operations: (i) watermark embedding, and (ii) watermark ex- traction. The secret message embedded as watermark can al- most be anything, for example, a bit string, serial number,plain text, image, etc. The most important properties of any digital watermarking technique are: robustness, security, im- perceptibility, complexity, and verification.classified accord- ing to the human perception (robust or fragile). In images, the watermarking techniques can broadly be classified into three types: (i) visible watermark, (ii) invisible fragile watermark and (iii) invisible robust watermark, which is widely used . Three tasks are done by our embedding algorithm as in [12]: generates extraction key, determines the position of the em- bedding watermark and then embeds watermark.First of all, the algorithm must determine where the water- mark should be located; therefore, a base-image is divided into 64 blocks. Each block size is: (M/8 x N/8) where M and N 2b1af7f3a8