Commentary Paper 1 on "Visual Players Detection and Tracking in Soccer Matches"

This paper provides comments to the paper "Visual Players Detection and Tracking in Soccer Matches". It was prepared as part of an experimental open review process for the 5th IEEE International Conference On Advanced Video and Signal Based Surveillance for which the author of this commentary paper acted as a reviewer. Due to the conference submission process, this comment was prepared for the review version of the paper and does not consider changes that the authors may have made for the print version of their work. The reviewed paper addresses the problems of automatically detecting, classifying and tracking players in soccer matches. It focuses on three separate sub-problems: estimation of a background model that represents the empty soccer field, classification of team players, and player tracking.