Author Description

<p>This book constitutes the refereed proceedings of the 4th International Workshop on Patch-Based Techniques in Medical Images, Patch-MI 2018, held in conjunction with MICCAI 2018, in Granada, Spain, in September 2018.</p> The 15 full papers presented were carefully reviewed and selected from 17 submissions. The papers are organized in the following topical sections: Image Denoising ̧ Image Registration and Matching, Image Classification and Detection, Brain Image Analysis, and Retinal Image Analysis.