Medical imaging encompasses the techniques and methods for the visual representation of the anatomy as well as processes of the body. It is primarily used for medical diagnosis. Some of the most widely implemented medical imaging techniques include ultrasound, positron emission tomography, magnetic resonance imaging, etc. This book presents the complex subject of medical imaging in the most comprehensible and easy to understand language. The aim of this text is to present researches that have transformed this discipline and aided its advancement. From theories to research to practical applications, case studies related to all contemporary topics of relevance to this field have been included in this book. The topics covered herein offer the readers new insights in the field of medical imaging.