In learning any new topic, the first stages are the most essential. The related topics should be properly introduced in order to hold the learner's awareness. The learner then comprehends and appreciates the subject better. This is more so in the case of image processing in general. The goal of this book is to help the beginner in image processing from basics to the end of implementing complicated stages. This book describes the fundamental concepts of unsupervised learning method of content based image retrieval by discussing the implementation steps of the pre-processing methods of image...