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Språkvelger

Norsk

Theoharis Theoharis

Theoharis Theoharis

Professor
Department of Computer Science

theotheo@ntnu.no
+4773591447 IT-bygget, 422, Gløshaugen, Sem Sælands vei 9
Visual Computing Lab link A3Mark Seismic Attribute Benchmark
About Publications Teaching Media

About

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!

Publications

  • Chronological
  • By category
  • See all publications in Cristin

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. volum 107.
    Editorial
  • Saiti, Evdokia; Theoharis, Theoharis. (2022) Multimodal registration across 3D point clouds and CT-volumes. Computers & graphics. volum 106.
    Academic article

2021

  • Lium, Ola; Kwon, Yong Bin; Danelakis, Antonios; Theoharis, Theoharis. (2021) Robust 3D Face Reconstruction Using One/Two Facial Images. Journal of Imaging. volum 7 (9).
    Academic article
  • Saiti, Evdokia; Danelakis, Antonios; Theoharis, Theoharis. (2021) Cross-time registration of 3D point clouds. Computers & graphics. volum 99.
    Academic article
  • Theoharis, Theoharis; van Blokland, Bart Iver. (2021) Partial 3D object retrieval using local binary QUICCI descriptors and dissimilarity tree indexing. Computers & graphics. volum 100.
    Academic article

2020

  • 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. volum 20 (12).
    Academic article
  • 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. volum 180.
    Academic article
  • Saiti, Evdokia; Theoharis, Theoharis. (2020) An application independent review of multimodal 3D registration methods. Computers & graphics. volum 91.
    Scientific translation/review
  • van Blokland, Bart Iver; Theoharis, Theoharis. (2020) An indexing scheme and descriptor for 3D object retrieval based on local shape querying. Computers & graphics. volum 92.
    Academic article
  • van Blokland, Bart Iver; Theoharis, Theoharis. (2020) Radial intersection count image: A clutter resistant 3D shape descriptor. Computers & graphics. volum 91.
    Academic article

2019

  • Telea, Alexandru; Theoharis, Theoharis. (2019) Foreword to the Special Section on 3D Object Retrieval (3DOR2018). Computers & graphics. volum 79.
    Editorial
  • 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. volum 19 (3).
    Academic article
  • Xing, Liyuan; Aarre, Victor; Barnes, Arthur E.; Theoharis, Theoharis; Salman, Nader; Tjåland, Egil. (2019) Seismic attribute benchmarking on instantaneous frequency. Geophysics. volum 84 (3).
    Academic article

2018

  • 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. volum 167.
    Academic article
  • 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. volum 77.
    Academic article
  • 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. volum 70.
    Scientific translation/review
  • 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. volum 171.
    Academic article
  • Sfikas, Konstantinos; Pratikakis, Ioannis; Theoharis, Theoharis. (2018) Ensemble of PANORAMA-based convolutional neural networks for 3D model classification and retrieval. Computers & graphics. volum 71.
    Academic article
  • Veinidis, Christos; Pratikakis, Ioannis; Theoharis, Theoharis. (2018) Unsupervised human action retrieval using salient points in 3D mesh sequences. Multimedia Tools and Applications.
    Academic article
  • Xing, Liyuan; Aarre, Victor; Salman, Nader; Theoharis, Theoharis; Tjåland, Egil. (2018) A3Mark: Seismic attribute benchmarking. Geophysics. volum 83 (1).
    Academic article

2017

  • Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2017) Part-based 3D object retrieval via multi-label optimization. Computer Vision and Image Understanding. volum 160.
    Academic article
  • Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2017) Unsupervised spectral mesh segmentation driven by heterogeneous graphs. IEEE Transactions on Pattern Analysis and Machine Intelligence. volum 39 (2).
    Academic article
  • Xing, Liyuan; Aarre, Victor; Barnes, Arthur E.; Theoharis, Theoharis; Salman, Nader; Tjåland, Egil. (2017) Instantaneous Frequency Seismic Attribute Benchmarking. SEG Technical Program Expanded Abstracts 2017.
    Academic chapter/article

2016

  • Breki, Christina-Marina; Dimitrakopoulou-Strauss, Antonia; Hassel, Jessica; Theoharis, Theoharis; Sachpekidis, Christos; Pan, Leyun; Provata, Astero. (2016) Fractal and multifractal analysis of PET/CT images of metastatic melanoma before and after treatment with ipilimumab. EJNMMI Research. volum 6 (1).
    Academic article
  • Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis. (2016) A robust spatio-temporal scheme for dynamic 3D facial expression retrieval. The Visual Computer. volum 32 (2).
    Academic article
  • Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis. (2016) A spatio-temporal wavelet-based descriptor for dynamic 3D facial expression retrieval and recognition. The Visual Computer.
    Academic article
  • Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis; Perakis, Panagiotis. (2016) An effective methodology for dynamic 3D facial expression retrieval. Pattern Recognition.
    Academic article
  • Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis; Perakis, Panagiotis. (2016) An effective methodology for dynamic 3D facial expression retrieval. Pattern Recognition. volum 52.
    Academic article
  • Pratikakis, Ioannis; Savelonas, Michalis A.; Arnaoutoglou, Fotis; Ioannakis, George; Koutsoudis, Anestis; Theoharis, Theoharis; Tran, Minh Triet; Nguyen, Vinh Tiep; Pham, Vu K.; Nguyen, Huu Duc; Le, Huy A.; Tran, Ba Huu; To, Quan H.; Truong, M.B.; Phan, Tan V.; Nguyen, Mao D.; Than, Thanhan; Mac, Khoi Nguyen C.; Do, Minh N.; Duong, Anhduc; Furuya, Takahiko; Ohbuchi, Ryutarou; Aono, Masaki; Tashiro, Shoki; Pickup, David; Sun, Xianfang; Rosin, Paul L.; Martin, Ralph Robert. (2016) SHREC'16 track: partial shape queries for 3D object retrieval. Eurographics Workshop on 3D Object Retrieval, EG 3DOR.
    Academic article
  • Veinidis, Christos; Pratikakis, Ioannis; Theoharis, Theoharis. (2016) On the retrieval of 3D mesh sequences of human actions. Multimedia Tools and Applications. volum 76 (2).
    Academic article
  • Xing, 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.
    Academic chapter/article

2015

  • 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. volum 27 (1).
    Academic article
  • 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.
    Academic article
  • Danelakis, A.; Theoharis, Theoharis; Pratikakis, I.. (2015) A survey on facial expression recognition in 3D video sequences. Multimedia Tools and Applications. volum 74 (15).
    Academic article
  • 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. volum 74 (15).
    Errata
  • 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. 2015. ISBN 978-3-905674-78-1.
    Scientific anthology
  • 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. volum 135.
    Academic article

2014

  • Perakis, Panagiotis; Theoharis, Theoharis; Kakadiaris, I.. (2014) Feature fusion for facial landmark detection. Pattern Recognition. volum 47 (9).
    Academic article
  • 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.
    Academic article
  • Sfikas, K.; Theoharis, Theoharis; Pratikakis, I. (2014) Pose normalization of 3D models via reflective symmetry on panoramic views. The Visual Computer. volum 30 (11).
    Academic article
  • Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2014) A Review on 3D Object Retrieval Methodologies Using a Part-Based Representation. Computer-Aided Design and Applications. volum 11 (6).
    Academic article
  • 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). volum 8333 LNCS.
    Academic article

2013

  • 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. volum 110 (3).
    Academic article
  • 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. volum 35 (7).
    Academic article
  • 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. 2013.
    Report
  • Sfikas, K.; Theoharis, Theoharis; Pratikakis, I. (2013) 3D object retrieval via range image queries in a bag-of-visual-words context. The Visual Computer. volum 29 (12).
    Academic article

2012

  • Sfikas, K.; Theoharis, Theoharis; Pratikakis, I. (2012) Non-rigid 3D object retrieval using topological information guided by conformal factors. The Visual Computer. volum 28 (9).
    Academic article

Scientific articles

  • Saiti, Evdokia; Theoharis, Theoharis. (2022) Multimodal registration across 3D point clouds and CT-volumes. Computers & graphics. volum 106.
    Academic article
  • Lium, Ola; Kwon, Yong Bin; Danelakis, Antonios; Theoharis, Theoharis. (2021) Robust 3D Face Reconstruction Using One/Two Facial Images. Journal of Imaging. volum 7 (9).
    Academic article
  • Saiti, Evdokia; Danelakis, Antonios; Theoharis, Theoharis. (2021) Cross-time registration of 3D point clouds. Computers & graphics. volum 99.
    Academic article
  • Theoharis, Theoharis; van Blokland, Bart Iver. (2021) Partial 3D object retrieval using local binary QUICCI descriptors and dissimilarity tree indexing. Computers & graphics. volum 100.
    Academic article
  • 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. volum 20 (12).
    Academic article
  • 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. volum 180.
    Academic article
  • van Blokland, Bart Iver; Theoharis, Theoharis. (2020) An indexing scheme and descriptor for 3D object retrieval based on local shape querying. Computers & graphics. volum 92.
    Academic article
  • van Blokland, Bart Iver; Theoharis, Theoharis. (2020) Radial intersection count image: A clutter resistant 3D shape descriptor. Computers & graphics. volum 91.
    Academic article
  • 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. volum 19 (3).
    Academic article
  • Xing, Liyuan; Aarre, Victor; Barnes, Arthur E.; Theoharis, Theoharis; Salman, Nader; Tjåland, Egil. (2019) Seismic attribute benchmarking on instantaneous frequency. Geophysics. volum 84 (3).
    Academic article
  • 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. volum 167.
    Academic article
  • 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. volum 77.
    Academic article
  • 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. volum 171.
    Academic article
  • Sfikas, Konstantinos; Pratikakis, Ioannis; Theoharis, Theoharis. (2018) Ensemble of PANORAMA-based convolutional neural networks for 3D model classification and retrieval. Computers & graphics. volum 71.
    Academic article
  • Veinidis, Christos; Pratikakis, Ioannis; Theoharis, Theoharis. (2018) Unsupervised human action retrieval using salient points in 3D mesh sequences. Multimedia Tools and Applications.
    Academic article
  • Xing, Liyuan; Aarre, Victor; Salman, Nader; Theoharis, Theoharis; Tjåland, Egil. (2018) A3Mark: Seismic attribute benchmarking. Geophysics. volum 83 (1).
    Academic article
  • Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2017) Part-based 3D object retrieval via multi-label optimization. Computer Vision and Image Understanding. volum 160.
    Academic article
  • Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2017) Unsupervised spectral mesh segmentation driven by heterogeneous graphs. IEEE Transactions on Pattern Analysis and Machine Intelligence. volum 39 (2).
    Academic article
  • Breki, Christina-Marina; Dimitrakopoulou-Strauss, Antonia; Hassel, Jessica; Theoharis, Theoharis; Sachpekidis, Christos; Pan, Leyun; Provata, Astero. (2016) Fractal and multifractal analysis of PET/CT images of metastatic melanoma before and after treatment with ipilimumab. EJNMMI Research. volum 6 (1).
    Academic article
  • Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis. (2016) A robust spatio-temporal scheme for dynamic 3D facial expression retrieval. The Visual Computer. volum 32 (2).
    Academic article
  • Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis. (2016) A spatio-temporal wavelet-based descriptor for dynamic 3D facial expression retrieval and recognition. The Visual Computer.
    Academic article
  • Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis; Perakis, Panagiotis. (2016) An effective methodology for dynamic 3D facial expression retrieval. Pattern Recognition.
    Academic article
  • Danelakis, Antonios; Theoharis, Theoharis; Pratikakis, Ioannis; Perakis, Panagiotis. (2016) An effective methodology for dynamic 3D facial expression retrieval. Pattern Recognition. volum 52.
    Academic article
  • Pratikakis, Ioannis; Savelonas, Michalis A.; Arnaoutoglou, Fotis; Ioannakis, George; Koutsoudis, Anestis; Theoharis, Theoharis; Tran, Minh Triet; Nguyen, Vinh Tiep; Pham, Vu K.; Nguyen, Huu Duc; Le, Huy A.; Tran, Ba Huu; To, Quan H.; Truong, M.B.; Phan, Tan V.; Nguyen, Mao D.; Than, Thanhan; Mac, Khoi Nguyen C.; Do, Minh N.; Duong, Anhduc; Furuya, Takahiko; Ohbuchi, Ryutarou; Aono, Masaki; Tashiro, Shoki; Pickup, David; Sun, Xianfang; Rosin, Paul L.; Martin, Ralph Robert. (2016) SHREC'16 track: partial shape queries for 3D object retrieval. Eurographics Workshop on 3D Object Retrieval, EG 3DOR.
    Academic article
  • Veinidis, Christos; Pratikakis, Ioannis; Theoharis, Theoharis. (2016) On the retrieval of 3D mesh sequences of human actions. Multimedia Tools and Applications. volum 76 (2).
    Academic article
  • 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. volum 27 (1).
    Academic article
  • 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.
    Academic article
  • Danelakis, A.; Theoharis, Theoharis; Pratikakis, I.. (2015) A survey on facial expression recognition in 3D video sequences. Multimedia Tools and Applications. volum 74 (15).
    Academic article
  • 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. volum 135.
    Academic article
  • Perakis, Panagiotis; Theoharis, Theoharis; Kakadiaris, I.. (2014) Feature fusion for facial landmark detection. Pattern Recognition. volum 47 (9).
    Academic article
  • 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.
    Academic article
  • Sfikas, K.; Theoharis, Theoharis; Pratikakis, I. (2014) Pose normalization of 3D models via reflective symmetry on panoramic views. The Visual Computer. volum 30 (11).
    Academic article
  • Theologou, Panagiotis; Pratikakis, Ioannis; Theoharis, Theoharis. (2014) A Review on 3D Object Retrieval Methodologies Using a Part-Based Representation. Computer-Aided Design and Applications. volum 11 (6).
    Academic article
  • 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). volum 8333 LNCS.
    Academic article
  • 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. volum 110 (3).
    Academic article
  • 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. volum 35 (7).
    Academic article
  • Sfikas, K.; Theoharis, Theoharis; Pratikakis, I. (2013) 3D object retrieval via range image queries in a bag-of-visual-words context. The Visual Computer. volum 29 (12).
    Academic article
  • Sfikas, K.; Theoharis, Theoharis; Pratikakis, I. (2012) Non-rigid 3D object retrieval using topological information guided by conformal factors. The Visual Computer. volum 28 (9).
    Academic article

Journal publications

  • 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. volum 107.
    Editorial
  • Saiti, Evdokia; Theoharis, Theoharis. (2020) An application independent review of multimodal 3D registration methods. Computers & graphics. volum 91.
    Scientific translation/review
  • Telea, Alexandru; Theoharis, Theoharis. (2019) Foreword to the Special Section on 3D Object Retrieval (3DOR2018). Computers & graphics. volum 79.
    Editorial
  • 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. volum 70.
    Scientific translation/review
  • 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. volum 74 (15).
    Errata

Books

  • 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. 2015. ISBN 978-3-905674-78-1.
    Scientific anthology

Part of book/report

  • Xing, Liyuan; Aarre, Victor; Barnes, Arthur E.; Theoharis, Theoharis; Salman, Nader; Tjåland, Egil. (2017) Instantaneous Frequency Seismic Attribute Benchmarking. SEG Technical Program Expanded Abstracts 2017.
    Academic chapter/article
  • Xing, 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.
    Academic chapter/article

Report

  • 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. 2013.
    Report

Teaching

Courses

  • TDT4195 - Visual Computing Fundamentals
  • TDT4230 - Graphics and Visualization
  • DT8123 - Advanced Computing

Media

2021

  • Academic lecture
    Chen, Lulu; Boyle, Jonathan R; Danelakis, Antonios; Ferryman, James; Ferstl, Simone; Gicic, Damjan; Grudzień, Artur; Howe, André; Kowalski, Marcin; Mierzejewski, Krzysztof; Theoharis, Theoharis. (2021) D4FLY Multimodal Biometric Database: multimodal fusion evaluation envisaging on-the-move biometric-based border control. 2021 17th IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS) . ΙΕΕΕ; 2021-11-16 - 2021-11-19.

2018

  • Academic lecture
    Blokland 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.
  • Academic lecture
    van Blokland, Bart Iver; Theoharis, Theoharis; Elster, Anne C.. (2018) Quasi Spin Images. Norsk Informatikkonferanse ; Longyearbyen, Svalbard. 2018-09-18 - 2018-09-20.
  • Academic lecture
    Xing, 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

  • Lecture
    Sfikas, Konstantinos; Theoharis, Theoharis; Pratikakis, Ioannis. (2017) Exploiting the PANORAMA Representation for Convolutional Neural Network Classification and Retrieval. Eurographics Workshop on 3D Object Retrieval . The Eurographics Association; Lyon. 2017-04-23 - 2017-04-24.
  • Academic lecture
    Xing, 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.

2016

  • Academic lecture
    Xing, 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

  • Academic lecture
    Barros 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.
  • Lecture
    Danelakis, 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.
  • Poster
    Gebremariam, 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. TECHNART 2015 . LNS-INFN, IBAM-CNR, University of Catania, ICOM-CC & AIAr; Catania. 2015-04-27 - 2015-04-30.
  • Academic lecture
    Perakis, 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.

2014

  • Academic lecture
    Schellewald, Christian; Perakis, Panagiotis; Theoharis, Theoharis. (2014) Towards the Creation of Digital Stones from 2D Samples. Eurographics Workshop on Graphics and Cultural Heritage 2014 . Eurographics Association; Darmstadt. 2014-10-06 - 2014-10-08.

2013

  • Poster
    Barros 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.
  • Lecture
    Sfikas, 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.
  • Lecture
    Sfikas, K.; Pratikakis, I.; Theoharis, Theoharis. (2013) SymPan: 3D Model Pose Normalization via Panoramic Views and Reflective Symmetry. Eurographics Workshop on 3D Object Retrieval, 2013 . Eurographics; Girona. 2013-05-11 - 2013-05-11.
  • Lecture
    Toderici, 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.

2012

  • Lecture
    Danelakis, 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.
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