2025

• Kresović, Milan; Blokland, Bart Iver van; Theoharis, Theoharis; Hardeberg, Jon Yngve. (2025) ColorQUICCI: Local radial descriptor incorporating shape and color. Computers & graphics
  Vitenskapelig artikkel
• Saiti, Evdokia; Saha, Sunita; Bunsch, Eryk; Sitnik, Robert; Theoharis, Theoharis. (2025) An automated approach for difference detection in cultural heritage applications. Multimedia Tools and Applications
  Vitenskapelig artikkel

2024

• Sundt, Peder Bergebakken; Theoharis, Theoharis. (2024) Towards multi-view consistency in neural ray fields using parametric medial surfaces. Computers & graphics
  Vitenskapelig artikkel

2023

• Sundt, Peder Bergebakken; Theoharis, Theoharis. (2023) MARF: The Medial Atom Ray Field object representation. Computers & graphics
  Vitenskapelig artikkel
• Saiti, Evdokia; Theoharis, Theoharis. (2023) Deep Learning based frameworks for 3D registration of differential and multimodal data. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling

2022

• Berretti, Stefano; Theoharis, Theoharis; Daoudi, Mohamed; Ferrari, Claudio; Veltkamp, Remco C.. (2022) Foreword to the Special Section on 3D Object Retrieval 2022 Symposium (3DOR2022). Computers & graphics
  Leder
• Saiti, Evdokia; Theoharis, Theoharis. (2022) Multimodal registration across 3D point clouds and CT-volumes. Computers & graphics
  Vitenskapelig artikkel

2021

• Saiti, Evdokia; Danelakis, Antonios; Theoharis, Theoharis. (2021) Cross-time registration of 3D point clouds. Computers & graphics
  Vitenskapelig artikkel
• Theoharis, Theoharis; Blokland, Bart Iver van. (2021) Partial 3D object retrieval using local binary QUICCI descriptors and dissimilarity tree indexing. Computers & graphics
  Vitenskapelig artikkel
• Theoharis, Theoharis; Elster, Anne C.; Blokland, Bart Iver van. (2021) A Search for Shape. NTNU NTNU
  Doktorgradsavhandling
• Lium, Ola; Kwon, Yong Bin; Danelakis, Antonios; Theoharis, Theoharis. (2021) Robust 3D Face Reconstruction Using One/Two Facial Images. Journal of Imaging
  Vitenskapelig artikkel

2020

• Barbosa, Igor Barros; Theoharis, Theoharis. (2020) Unconventional Biometrics. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling
• Blokland, Bart Iver van; Theoharis, Theoharis. (2020) Radial intersection count image: A clutter resistant 3D shape descriptor. Computers & graphics
  Vitenskapelig artikkel
• Saiti, Evdokia; Theoharis, Theoharis. (2020) An application independent review of multimodal 3D registration methods. Computers & graphics
  Vitenskapelig oversiktsartikkel/review
• Danelakis, Antonios; Theoharis, Theoharis. (2020) Image-based Somatotype as a Biometric Trait for Non-Collaborative Person Recognition at a Distance and On-The-Move. Sensors
  Vitenskapelig artikkel
• Blokland, Bart Iver van; Theoharis, Theoharis. (2020) An indexing scheme and descriptor for 3D object retrieval based on local shape querying. Computers & graphics
  Vitenskapelig artikkel
• Isachsen, Ulrich Johan; Theoharis, Theoharis; Misimi, Ekrem. (2020) Fast and accurate GPU accelerated, high resolution 3D registration for robotic 3D reconstruction of compliant Food objects. Computers and Electronics in Agriculture
  Vitenskapelig artikkel

2019

• Xing, Liyuan; Aarre, Victor; Barnes, Arthur E.; Theoharis, Theoharis; Salman, Nader; Tjåland, Egil. (2019) Seismic attribute benchmarking on instantaneous frequency. Geophysics
  Vitenskapelig artikkel
• Telea, Alexandru; Theoharis, Theoharis. (2019) Foreword to the Special Section on 3D Object Retrieval (3DOR2018). Computers & graphics
  Leder
• Veinidis, Christos; Danelakis, Antonios; Pratikakis, Ioannis; Theoharis, Theoharis. (2019) Effective Descriptors for Human Action Retrieval from 3D Mesh Sequences. International Journal of Image and Graphics
  Vitenskapelig artikkel

2018

• Savelonas, Michalis; Pratikakis, Ioannis; Theoharis, Theoharis; Thanellas, G.; Abad, F.; Bendahan, R.. (2018) Spatially sensitive statistical shape analysis for pedestrian recognition from LIDAR data. Computer Vision and Image Understanding
  Vitenskapelig artikkel
• Veinidis, Christos; Pratikakis, Ioannis; Theoharis, Theoharis. (2018) Unsupervised human action retrieval using salient points in 3D mesh sequences. Multimedia Tools and Applications
  Vitenskapelig artikkel
• Sfikas, Konstantinos; Pratikakis, Ioannis; Theoharis, Theoharis. (2018) Ensemble of PANORAMA-based convolutional neural networks for 3D model classification and retrieval. Computers & graphics
  Vitenskapelig artikkel
• Barbosa, Igor Barros; Cristani, Marco; Caputo, Barbara; Rognhaugen, Aleksander; Theoharis, Theoharis. (2018) Looking beyond appearances: Synthetic training data for deep CNNs in re-identification. Computer Vision and Image Understanding
  Vitenskapelig artikkel
• Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis. (2018) Action unit detection in 3D facial videos with application in facial expression retrieval and recognition. Multimedia Tools and Applications
  Vitenskapelig artikkel
• Xing, Liyuan; Aarre, Victor; Salman, Nader; Theoharis, Theoharis; Tjåland, Egil. (2018) A3Mark: Seismic attribute benchmarking. Geophysics
  Vitenskapelig artikkel
• Danelakis, Antonios; Theoharis, Theoharis; Verganelakis, Dimitrios A. (2018) Survey of automated multiple sclerosis lesion segmentation techniques on magnetic resonance imaging. Computerized Medical Imaging and Graphics
  Vitenskapelig oversiktsartikkel/review

2017

• Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2017) Part-based 3D object retrieval via multi-label optimization. Computer Vision and Image Understanding
  Vitenskapelig artikkel
• Xing, Liyuan; Aarre, Victor; Barnes, Arthur E.; Theoharis, Theoharis; Salman, Nader; Tjåland, Egil. (2017) Instantaneous Frequency Seismic Attribute Benchmarking.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2017) Unsupervised spectral mesh segmentation driven by heterogeneous graphs. IEEE Transactions on Pattern Analysis and Machine Intelligence
  Vitenskapelig artikkel

2016

• Pratikakis, Ioannis; Savelonas, Michalis A.; Arnaoutoglou, Fotis; Ioannakis, George; Koutsoudis, Anestis; Theoharis, Theoharis. (2016) SHREC'16 track: partial shape queries for 3D object retrieval. Eurographics Workshop on 3D Object Retrieval, EG 3DOR
  Vitenskapelig artikkel
• Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis. (2016) A robust spatio-temporal scheme for dynamic 3D facial expression retrieval. The Visual Computer
  Vitenskapelig artikkel
• Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis; Perakis, Panagiotis. (2016) An effective methodology for dynamic 3D facial expression retrieval. Pattern Recognition
  Vitenskapelig artikkel
• Breki, Christina-Marina; Dimitrakopoulou-Strauss, Antonia; Hassel, Jessica; Theoharis, Theoharis; Sachpekidis, Christos; Pan, Leyun. (2016) Fractal and multifractal analysis of PET/CT images of metastatic melanoma before and after treatment with ipilimumab. EJNMMI Research
  Vitenskapelig artikkel
• Veinidis, Christos; Pratikakis, Ioannis; Theoharis, Theoharis. (2016) On the retrieval of 3D mesh sequences of human actions. Multimedia Tools and Applications
  Vitenskapelig artikkel
• Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis. (2016) A spatio-temporal wavelet-based descriptor for dynamic 3D facial expression retrieval and recognition. The Visual Computer
  Vitenskapelig artikkel
• Xing, Liyuan; Salman, Nader; Aarre, Victor; Theoharis, Theoharis; Tjåland, Egil. (2016) A3mark: A publicly available online web service for seismic attribute benchmarking.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis; Perakis, Panagiotis. (2016) An effective methodology for dynamic 3D facial expression retrieval. Pattern Recognition
  Vitenskapelig artikkel

2015

• Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2015) A comprehensive overview of methodologies and performance evaluation frameworks in 3D mesh segmentation. Computer Vision and Image Understanding
  Vitenskapelig artikkel
• Danelakis, A.; Theoharis, Theoharis; Pratikakis, I.. (2015) A survey on facial expression recognition in 3D video sequences. Multimedia Tools and Applications
  Vitenskapelig artikkel
• Pratikakis, Ioannis; Spagnuolo, Michela; Theoharis, Theoharis; Gool, Luc Van; Veltkamp, Remco. (2015) EG 3DOR 2015 Eurographics 2015 Workshop on 3D Object Retrieval. Eurographics - European Association for Computer Graphics Eurographics - European Association for Computer Graphics
  Vitenskapelig antologi/Konferanseserie
• Barbosa, Igor Barros; Theoharis, Theoharis; Abdallah, Ali E.. (2015) On the use of fingernail images as transient biometric identifiers: Biometric recognition using fingernail images. Machine Vision and Applications
  Vitenskapelig artikkel
• Barbosa, Igor Barros; Vilhelmsen, Kenneth; Meer, Audrey Van der; Weel, Frederikus Van der; Theoharis, Theoharis. (2015) EEG Biometrics: On the use of occipital cortex based features from visual evoked potentials. NIKT: Norsk IKT-konferanse for forskning og utdanning
  Vitenskapelig artikkel

2014

• Danelakis, Antonio; Theoharis, Theoharis; Pratikakis, Ioannis. (2014) Erratum to A survey on facial expression recognition in 3D video sequences (Multimed Tools Appl, DOI 10.1007/s11042-014-1869-6). Multimedia Tools and Applications
  Errata
• Sfikas, K.; Pratikakis, I; Koutsoudis, A.; Savelonas, M.; Theoharis, Theoharis. (2014) Partial matching of 3D cultural heritage objects using panoramic views. Multimedia Tools and Applications
  Vitenskapelig artikkel
• Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2014) A Review on 3D Object Retrieval Methodologies Using a Part-Based Representation. Computer-Aided Design and Applications
  Vitenskapelig artikkel
• Sfikas, K.; Theoharis, Theoharis; Pratikakis, I. (2014) Pose normalization of 3D models via reflective symmetry on panoramic views. The Visual Computer
  Vitenskapelig artikkel
• Perakis, Panagiotis; Theoharis, Theoharis; Kakadiaris, I.. (2014) Feature fusion for facial landmark detection. Pattern Recognition
  Vitenskapelig artikkel
• Toderici, George; Evangelopoulos, Georgios; Tianhong, Fang; Theoharis, Theoharis; A., Ioannis Kakadiaris. (2014) UHDB11 database for 3D-2D face recognition. Lecture Notes in Computer Science (LNCS)
  Vitenskapelig artikkel

2013

• Schellewald, Christian; Theoharis, Theoharis; Gebremariam, Kidane Fanta; Kvittingen, Lise. (2013) FP7-ICT D3.1 State-of-the-art Report on Deterioration Simulation; Deliverable Workpackage 3. presious presious
  Rapport
• Perakis, Panagiotis; Passalis, Georgios; Theoharis, Theoharis; Kakadiaris, Ioannis A.. (2013) 3D Facial Landmark Detection under Large Yaw and Expression Variations. IEEE Transactions on Pattern Analysis and Machine Intelligence
  Vitenskapelig artikkel
• Antonios, Danelakis; Dimitrios, Verganelakis A.; Theoharis, Theoharis. (2013) A new user-friendly visual environment for breast MRI data analysis. Computer Methods and Programs in Biomedicine
  Vitenskapelig artikkel
• Sfikas, K.; Theoharis, Theoharis; Pratikakis, I. (2013) 3D object retrieval via range image queries in a bag-of-visual-words context. The Visual Computer
  Vitenskapelig artikkel
• Danelakis, Antonios; Theoharis, Theoharis; Verganelakis, Dimitrios A. (2013) A new user-friendly visual environment for breast MRI data analysis. Computer Methods and Programs in Biomedicine
  Vitenskapelig artikkel

2012

• Sfikas, K.; Theoharis, Theoharis; Pratikakis, I. (2012) Non-rigid 3D object retrieval using topological information guided by conformal factors. The Visual Computer
  Vitenskapelig artikkel