Research and development of medical image fusion

Medical image fusion is a kind of new technology including medical image treatment and diagnosis. It can be applied to a wide variety of medical fields such as clinic diagnosis and therapy, computer assistant diagnosis, long-distance medical treatment, radiation therapy and surgery plan design, etc. Digital image fusion is a comprehensive information of the multiple source images in order to obtain more accurate, more comprehensive and more reliable description for a particular region or target, so that it can facilitate the subsequent analysis and understanding of the image. This paper introduces the objective, content, methods and classification of medical image fusion. It also analyzes the difficulties, problems and future of medical image fusion.