Comparative assessment of feature extraction methods for visual odometry in wireless capsule endoscopy. - Evaggelos Spyrou; Dimitrios K. Iakovidis; Stavros Niafas; Anastasios Koulaouzidis (Comput. Biol. Medicine, 2015)

Deep learned features for image retrieval. - Evangelos Mitsianis; Evaggelos Spyrou; Theodore Giannakopoulos; Stavros Niafas; Stavros J. Perantonis (SETN, 2018)