Can we do better in unimodal biometric systems? A novel rank-based score normalization framework for multi-sample galleries. - Panagiotis Moutafis; Ioannis A. Kakadiaris (ICB, 2013)

Semi-coupled basis and distance metric learning for cross-domain matching: Application to low-resolution face recognition. - Panagiotis Moutafis; Ioannis A. Kakadiaris (IJCB, 2014)

GS4: Generating Synthetic Samples for Semi-Supervised Nearest Neighbor Classification. - Panagiotis Moutafis; Ioannis A. Kakadiaris (PAKDD Workshops, 2014)

Towards intelligent decision making for risk screening. - Panagiotis Moutafis; Ioannis A. Kakadiaris (PETRA, 2014)

Joint prototype and metric learning for set-to-set matching: Application to biometrics. - Mengjun Leng; Panagiotis Moutafis; Ioannis A. Kakadiaris (BTAS, 2015)

Can We Do Better in Unimodal Biometric Systems? A Rank-Based Score Normalization Framework. - Panagiotis Moutafis; Ioannis A. Kakadiaris (IEEE Trans. Cybern., 2015)

Exploiting Score Distributions for Biometric Applications. - Panagiotis Moutafis; Ioannis A. Kakadiaris (Face Recognition Across the Imaging Spectrum, 2016)

Regression-based metric learning. - Panagiotis Moutafis; Mengjun Leng; Ioannis A. Kakadiaris (ICPR, 2016)

SliceNBound: Solving Closest Pairs and Distance Join Queries in Apache Spark. - George Mavrommatis; Panagiotis Moutafis; Michael Vassilakopoulos; Francisco García-García 001; Antonio Corral (ADBIS, 2017)

Joint prototype and metric learning for image set classification: Application to video face identification. - Mengjun Leng; Panagiotis Moutafis; Ioannis A. Kakadiaris (Image Vis. Comput., 2017)

An Overview and Empirical Comparison of Distance Metric Learning Methods. - Panagiotis Moutafis; Mengjun Leng; Ioannis A. Kakadiaris (IEEE Trans. Cybern., 2017)

MapReduce algorithms for the K group nearest-neighbor query. - Panagiotis Moutafis; Francisco García-García 001; George Mavrommatis; Michael Vassilakopoulos; Antonio Corral; Luis Iribarne (SAC, 2019)

Efficient processing of all-k-nearest-neighbor queries in the MapReduce programming framework. - Panagiotis Moutafis; George Mavrommatis; Michael Vassilakopoulos; Spyros Sioutas (Data Knowl. Eng., 2019)

Prepartitioning in MapReduce Processing of Group Nearest-Neighbor Query. - Panagiotis Moutafis; George Mavrommatis; Polychronis Velentzas (PCI, 2020)

An Improved GPU-based Algorithmfor Processing the k Nearest Neighbor Query. - Polychronis Velentzas; Panagiotis Moutafis; George Mavrommatis (PCI, 2020)

Enhancing the SliceNBound Algorithm for the Closest-Pairs Query with Binary Space Partitioning. - George Mavrommatis; Panagiotis Moutafis; Antonio Corral (PCI, 2021)

Algorithms for processing the group K nearest-neighbor query on distributed frameworks. - Panagiotis Moutafis; Francisco García-García 001; George Mavrommatis; Michael Vassilakopoulos; Antonio Corral; Luis Iribarne (Distributed Parallel Databases, 2021)

Efficient Group K Nearest-Neighbor Spatial Query Processing in Apache Spark. - Panagiotis Moutafis; George Mavrommatis; Michael Vassilakopoulos; Antonio Corral (ISPRS Int. J. Geo Inf., 2021)

Algorithms for processing closest-pairs and nearest-neighbors queries on big spatial data in parallel and distributed frameworks - Panagiotis Moutafis (2021)