Hand Gesture Recognition is the wide area in Image processing. It has many applications like Robot image processing, Remote Sensing, Satellite information processing, Leaf Image classification, X-Ray image processing in medical field. The algorithm and images given in the book is very useful for researchers, those who are pursuing Ph.D in Image processing, E-learning and pattern recognition field. The book is also helpful for BE/B.SC(CS)/IT/MCA/M.Sc students for their academic career. All the steps involved in image classification are explained in an easily understandable form.