This book constitutes the proceedings of the Third International Workshop on Similarity Based
Pattern Analysis and Recognition SIMBAD 2015 which was held in Copenahgen Denmark in
October 2015. The 15 full and 8 short papers presented were carefully reviewed and selected
from 30 submissions.The workshop focus on problems techniques applications and perspectives:
from supervisedto unsupervised learning from generative to discriminative models and
fromtheoretical issues to empirical validations.
