Patch-based techniques in medical imaging: 4th International Workshop, Patch-MI 2018, held in conjunction with MICCAI 2018, Granada, Spain, September 20, 2018, proceedings - Bai, Wenjia; Sanroma, Gerard; Wu, Guorong; Munsell, Brent C.; Zhan, Yiqiang; Coupé, Pierrick (Lecture notes in computer science, 2018)