Theoharis Theoharis
Om
My roots are in Computer Science and more specifically Computer Graphics but I now venture in other exciting areas also.
I enjoy teaching Visual Computing courses and solving problems in 3D Object Retrieval, Biometrics and the Simulation of the Erosion process on Cultural Heritage objects.
Visit the link to the Visual Computing Lab for a lot more information and some nice images!
Publikasjoner
2023
-
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
-
Sundt, Peder Bergebakken;
Theoharis, Theoharis.
(2023)
MARF: The Medial Atom Ray Field object representation.
Computers & graphics
Vitenskapelig artikkel
-
Sundt, Peder Bergebakken;
Theoharis, Theoharis.
(2023)
MARF: The Medial Atom Ray Field object representation.
Computers & graphics
Vitenskapelig artikkel
-
Sundt, Peder Bergebakken;
Theoharis, Theoharis.
(2023)
MARF: The Medial Atom Ray Field object representation.
Computers & graphics
Vitenskapelig artikkel
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;
van Blokland, Bart Iver.
(2021)
Partial 3D object retrieval using local binary QUICCI descriptors and dissimilarity tree indexing.
Computers & graphics
Vitenskapelig artikkel
-
Lium, Ola;
Kwon, Yong Bin;
Danelakis, Antonios;
Theoharis, Theoharis.
(2021)
Robust 3D Face Reconstruction Using One/Two Facial Images.
Journal of Imaging
Vitenskapelig artikkel
-
Theoharis, Theoharis;
Elster, Anne C.;
van Blokland, Bart Iver.
(2021)
A Search for Shape.
Doctoral theses at NTNU (398)
Doktorgradsavhandling
2020
-
Barros Barbosa, Igor;
Theoharis, Theoharis.
(2020)
Unconventional biometrics
.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandlinger ved NTNU (2020/262)
Doktorgradsavhandling
-
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
-
van Blokland, Bart Iver;
Theoharis, Theoharis.
(2020)
Radial intersection count image: A clutter resistant 3D shape descriptor.
Computers & graphics
Vitenskapelig artikkel
-
van Blokland, Bart Iver;
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
-
Saiti, Evdokia;
Theoharis, Theoharis.
(2020)
An application independent review of multimodal 3D registration methods.
Computers & graphics
Vitenskapelig oversiktsartikkel/review
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
-
Xing, Liyuan;
Aarre, Victor;
Salman, Nader;
Theoharis, Theoharis;
Tjåland, Egil.
(2018)
A3Mark: Seismic attribute benchmarking.
Geophysics
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
-
Veinidis, Christos;
Pratikakis, Ioannis;
Theoharis, Theoharis.
(2018)
Unsupervised human action retrieval using salient points in 3D mesh sequences.
Multimedia Tools and Applications
Vitenskapelig artikkel
-
Barros Barbosa, Igor;
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
-
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
-
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)
Unsupervised spectral mesh segmentation driven by heterogeneous graphs.
IEEE Transactions on Pattern Analysis and Machine Intelligence
Vitenskapelig artikkel
-
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
2016
-
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
-
Danelakis, Antonios;
Theoharis, Theoharis;
Pratikakis, Ioannis;
Perakis, Panagiotis.
(2016)
An effective methodology for dynamic 3D facial expression retrieval.
Pattern Recognition
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
-
Danelakis, Antonios;
Theoharis, Theoharis;
Pratikakis, Ioannis;
Perakis, Panagiotis.
(2016)
An effective methodology for dynamic 3D facial expression retrieval.
Pattern Recognition
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
-
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
-
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
2015
-
Danelakis, Antonio;
Theoharis, Theoharis;
Pratikakis, Ioannis.
(2015)
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
-
Barros Barbosa, Igor;
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
-
Barros Barbosa, Igor;
Vilhelmsen, Kenneth;
Van der Meer, Audrey;
Van der Weel, Frederikus;
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
-
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;
Van Gool, Luc;
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
2014
-
Toderici, George;
Evangelopoulos, Georgios;
Tianhong, Fang;
Theoharis, Theoharis;
Kakadiaris A., Ioannis.
(2014)
UHDB11 database for 3D-2D face recognition.
Lecture Notes in Computer Science (LNCS)
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
-
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
-
Perakis, Panagiotis;
Theoharis, Theoharis;
Kakadiaris, I..
(2014)
Feature fusion for facial landmark detection.
Pattern Recognition
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
2013
-
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
-
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
Rapport
-
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
-
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
-
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
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
Tidsskriftspublikasjoner
-
Sundt, Peder Bergebakken;
Theoharis, Theoharis.
(2023)
MARF: The Medial Atom Ray Field object representation.
Computers & graphics
Vitenskapelig artikkel
-
Sundt, Peder Bergebakken;
Theoharis, Theoharis.
(2023)
MARF: The Medial Atom Ray Field object representation.
Computers & graphics
Vitenskapelig artikkel
-
Sundt, Peder Bergebakken;
Theoharis, Theoharis.
(2023)
MARF: The Medial Atom Ray Field object representation.
Computers & graphics
Vitenskapelig artikkel
-
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
-
Saiti, Evdokia;
Danelakis, Antonios;
Theoharis, Theoharis.
(2021)
Cross-time registration of 3D point clouds.
Computers & graphics
Vitenskapelig artikkel
-
Theoharis, Theoharis;
van Blokland, Bart Iver.
(2021)
Partial 3D object retrieval using local binary QUICCI descriptors and dissimilarity tree indexing.
Computers & graphics
Vitenskapelig artikkel
-
Lium, Ola;
Kwon, Yong Bin;
Danelakis, Antonios;
Theoharis, Theoharis.
(2021)
Robust 3D Face Reconstruction Using One/Two Facial Images.
Journal of Imaging
Vitenskapelig artikkel
-
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
-
van Blokland, Bart Iver;
Theoharis, Theoharis.
(2020)
Radial intersection count image: A clutter resistant 3D shape descriptor.
Computers & graphics
Vitenskapelig artikkel
-
van Blokland, Bart Iver;
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
-
Saiti, Evdokia;
Theoharis, Theoharis.
(2020)
An application independent review of multimodal 3D registration methods.
Computers & graphics
Vitenskapelig oversiktsartikkel/review
-
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
-
Xing, Liyuan;
Aarre, Victor;
Salman, Nader;
Theoharis, Theoharis;
Tjåland, Egil.
(2018)
A3Mark: Seismic attribute benchmarking.
Geophysics
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
-
Veinidis, Christos;
Pratikakis, Ioannis;
Theoharis, Theoharis.
(2018)
Unsupervised human action retrieval using salient points in 3D mesh sequences.
Multimedia Tools and Applications
Vitenskapelig artikkel
-
Barros Barbosa, Igor;
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
-
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
-
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
-
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
-
Theologou, Panagiotis;
Pratikakis, Ioannis;
Theoharis, Theoharis.
(2017)
Part-based 3D object retrieval via multi-label optimization.
Computer Vision and Image Understanding
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
-
Danelakis, Antonios;
Theoharis, Theoharis;
Pratikakis, Ioannis;
Perakis, Panagiotis.
(2016)
An effective methodology for dynamic 3D facial expression retrieval.
Pattern Recognition
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
-
Danelakis, Antonios;
Theoharis, Theoharis;
Pratikakis, Ioannis;
Perakis, Panagiotis.
(2016)
An effective methodology for dynamic 3D facial expression retrieval.
Pattern Recognition
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
-
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, Antonio;
Theoharis, Theoharis;
Pratikakis, Ioannis.
(2015)
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
-
Barros Barbosa, Igor;
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
-
Barros Barbosa, Igor;
Vilhelmsen, Kenneth;
Van der Meer, Audrey;
Van der Weel, Frederikus;
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
-
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
-
Toderici, George;
Evangelopoulos, Georgios;
Tianhong, Fang;
Theoharis, Theoharis;
Kakadiaris A., Ioannis.
(2014)
UHDB11 database for 3D-2D face recognition.
Lecture Notes in Computer Science (LNCS)
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
-
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
-
Perakis, Panagiotis;
Theoharis, Theoharis;
Kakadiaris, I..
(2014)
Feature fusion for facial landmark detection.
Pattern Recognition
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.
(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
-
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
-
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
-
Sfikas, K.;
Theoharis, Theoharis;
Pratikakis, I.
(2012)
Non-rigid 3D object retrieval using topological information guided by conformal factors.
The Visual Computer
Vitenskapelig artikkel
Bøker
-
Pratikakis, Ioannis;
Spagnuolo, Michela;
Theoharis, Theoharis;
Van Gool, Luc;
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
Del av bok/rapport
-
Xing, Liyuan;
Aarre, Victor;
Barnes, Arthur E.;
Theoharis, Theoharis;
Salman, Nader;
Tjåland, Egil.
(2017)
Instantaneous Frequency Seismic Attribute Benchmarking.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
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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
Rapport
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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
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Theoharis, Theoharis;
Elster, Anne C.;
van Blokland, Bart Iver.
(2021)
A Search for Shape.
Doctoral theses at NTNU (398)
Doktorgradsavhandling
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Barros Barbosa, Igor;
Theoharis, Theoharis.
(2020)
Unconventional biometrics
.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandlinger ved NTNU (2020/262)
Doktorgradsavhandling
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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
Rapport
Undervisning
Emner
Formidling
2021
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Vitenskapelig foredragChen, Lulu; Boyle, Jonathan R; Danelakis, Antonios; Ferryman, James; Ferstl, Simone; Gicic, Damjan. (2021) D4FLY Multimodal Biometric Database: multimodal fusion evaluation envisaging on-the-move biometric-based border control. ΙΕΕΕ 2021 17th IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS) 2021-11-16 - 2021-11-19
2018
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Vitenskapelig foredragvan Blokland, Bart Iver; Theoharis, Theoharis; Elster, Anne C.. (2018) Quasi Spin Images. Norsk Informatikkonferanse , Longyearbyen, Svalbard 2018-09-18 - 2018-09-20
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Vitenskapelig foredragBlokland van, Bart Iver; Theoharis, Theoharis. (2018) Microshapes: Efficient Querying of 3D Object Collections based on Local Shape. 3DOR , Delft 2018-04-16 - 2018-04-16
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Vitenskapelig foredragXing, Liyuan; Aarre, Victor; Theoharis, Theoharis. (2018) Improving Faults Continuity for Extraction by Transfer Learning based on Synthetic Data. SEG Technical Program Expanded Abstracts 2018 , Anaheim 2018-10-14 - 2018-10-19
2017
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Vitenskapelig foredragXing, Liyuan; Aarre, Victor; Barnes, Arthur E.; Theoharis, Theoharis; Salman, Nader; Tjåland, Egil. (2017) Instantaneous Frequency Seismic Attribute Benchmarking. SEG Technical Program Expanded Abstracts 2017 , Houston 2017-09-24 - 2017-09-29
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Faglig foredragSfikas, Konstantinos; Theoharis, Theoharis; Pratikakis, Ioannis. (2017) Exploiting the PANORAMA representation for convolutional neural network classification and retrieval. The Eurographics Association Eurographics Workshop on 3D Object Retrieval , Lyon 2017-04-23 - 2017-04-24
2016
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Vitenskapelig foredragXing, Liyuan; Salman, Nader; Aarre, Victor; Theoharis, Theoharis; Tjåland, Egil. (2016) A3mark: A publicly available online web service for seismic attribute benchmarking. SEG Technical Program Expanded Abstracts 2016 , Dallas 2016-10-16 - 2016-10-21
2015
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Faglig foredragDanelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis. (2015) A spatio-temporal descriptor for dynamic 3 D facial expression retrieval and recognition. Proceedings of the 2015 Eurographics Workshop on 3D Object Retrieval 2015-05-02 - 2015-05-03
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PosterGebremariam, Kidane Fanta; Barros Barbosa, Igor; Perakis, Panagiotis; Schellewald, Christian; Theoharis, Theoharis; Kvittingen, Lise. (2015) Accelerated salt weathering studies on marble stones from Elefsis, Greece, and soapstones from Grytdal, Norway . LNS-INFN, IBAM-CNR, University of Catania, ICOM-CC & AIAr TECHNART 2015 , Catania 2015-04-27 - 2015-04-30
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Vitenskapelig foredragPerakis, Panagiotis; Schellewald, Christian; Gebremariam, Kidane Fanta; Theoharis, Theoharis. (2015) Simulating Erosion on Cultural Heritage Monuments. 20th Conference on Cultural Heritage and New Technologies , Vienna 2015-11-02 - 2015-11-04
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Vitenskapelig foredragBarros Barbosa, Igor; Gebremariam, Kidane Fanta; Perakis, Panagiotis; Schellewald, Christian; Kvittingen, Lise; Theoharis, Theoharis. (2015) Establishing Parameter Values for the Stone Erosion Process . Computer Applications and Quantitative Methods in Archaeology (CAA) , Vianna 2015-03-30 - 2015-04-03
2014
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Vitenskapelig foredragSchellewald, Christian; Perakis, Panagiotis; Theoharis, Theoharis. (2014) Towards the Creation of Digital Stones from 2D Samples. Eurographics Association Eurographics Workshop on Graphics and Cultural Heritage 2014 , Darmstadt 2014-10-06 - 2014-10-08
2013
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Faglig foredragToderici, G.; Evangelopoulos, G.; Fang, T.; Theoharis, Theoharis; Kakadiaris, I.. (2013) UHDB11 Database for 3D-2D Face Recognition. 6th Pacific-Rim Symposium on Image and Video Technology , Guanajuato 2013-10-28 - 2013-11-01
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Faglig foredragSfikas, K.; Pratikakis, I.; Theoharis, Theoharis. (2013) SymPan: 3D Model Pose Normalization via Panoramic Views and Reflective Symmetry. Eurographics Eurographics Workshop on 3D Object Retrieval, 2013 , Girona 2013-05-11 - 2013-05-11
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Faglig foredragSfikas, K.; Pratikakis, I.; Koutsoudis, A.; Savelonas, M.; Theoharis, Theoharis. (2013) 3D Object Partial Matching using Panoramic Views. MM4CH2013, 2nd International Workshop on Multimedia for Cultural Heritage , Naples 2013-09-09 - 2013-09-10
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PosterBarros Barbosa, Igor; Theoharis, Theoharis; Schellewald, Christian; Athwal, Cham. (2013) Transient biometrics using finger nails. Biometrics: Theory, Applications and Systems (BTAS), 2013 IEEE Sixth International Conference on , Arlington, VA 2013-09-29 - 2013-10-02
2012
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Faglig foredragDanelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis. (2012) 3d mesh video retrieval: A survey. 3DTV-Conference: The True Vision-Capture, Transmission and Display of 3D Video (3DTV-CON) 2012-10-15 - 2012-10-17