Non-rigid registration of medical images: purpose and methods, a short survey

Non-rigid registration is an important topic in the medical imaging community and a variety of methods have been proposed to solve this problem. This manuscript serves as an introduction to a special session dedicated to non-rigid registration. Its intent is to provide the reader with a sense for the type of problems to be solved and the range of solutions that have been proposed. Each of the speakers in the session has years of experience in the field and has been instrumental in developing an approach that fits into one of the categories discussed herein.