Sony George

Associate Professor

Department of Computer Science Faculty of Information Technology and Electrical Engineering

sony.george@ntnu.no +47 92556485

Ametyst-bygget, A212, Gjøvik

Research Interests

Spectral imaging
Image quality
Multimodal imaging
Cultural heritage imaging

Project Participation

CHANGE: Cultural Heritage Analysis for New GEnerations. Project funded by EU Horizon 2020 Research and Innovation programme under the Marie Skłodowska-Curie Actions. Role: Deputy coordinator, PhD supervisor, Proposal coordinator. 2019-2023.
HiPerNav: High Performance Soft Tssue Navigation. Project funded by EU Horizon 2020 Research and Innovation programme under the Marie Skłodowska-Curie Actions. Role: Proposal writing, Project manager (5 months). 2016-2020.
CHANGE - Development of Imaging Tools for Change Detection of Cultural Heritage Objects. Project funded by Regional Research Council Innlandet. Role: Project leader. 2016-2018.
MULTIFORESEE: MULTI-modal Imaging of FOREnsic SciEnce Evidence. EU COST Action CA16101. Role: MC member (substitute), Norway. 2016-2020.
Hyperspectral Imaging and Analysis of Ancient Manuscripts. Project funded by Regional Research Council Innlandet. Project funded by Regional Research Council Innlandet. Role: Researcher. 2014-2016
HyperDerm – Imaging system prototype setup and evaluation. Project funded by Regional Research Council Innlandet. Role: Project participant. 2014-2016.
COSCH : Colour and Space in Cultural Heritage. EU COST-Action TD 1201. Role: MC member (substitute), Norway. 2012-2016.
HyPerCept: Color and Quality in Higher Dimensions. SHP Project funded the Research Council of Norway. Role: Researcher. 2013-2016
Yggdrasil: Color and spectral imaging for cultural heritage applications. Project funded the Research Council of Norway. Role: Visiting Researcher. 2012-2013

Scientific, academic and artistic work

Displaying a selection of activities. See all publications in the database

2020

Melit Devassy, Binu; George, Sony. (2020) Dimensionality reduction and visualisation of hyperspectral ink data using t-SNE. Forensic Science International. vol. 311.
Melit Devassy, Binu; George, Sony; Nussbaum, Peter. (2020) Unsupervised Clustering of Hyperspectral Paper Data Using t-SNE. Journal of Imaging. vol. 6 (5).

2019

Bakløkken, Jørgen Grøndahl; Schoeler, Felix Jost; Nørholm, Hugo; Pedersen, Marius; George, Sony; Dervo, Børre Kind. (2019) Automated salamander recognition using deep neural networks and feature extraction. NIKT: Norsk IKT-konferanse for forskning og utdanning.
Deborah, Hilda; George, Sony; Hardeberg, Jon Yngve. (2019) Spectral-divergence based pigment discrimination and mapping: A case study on The Scream (1893) by Edvard Munch. Journal of the American Institute for Conservation. vol. 58 (1-2).
Melit Devassy, Binu; George, Sony. (2019) Ink Classification Using Convolutional Neural Network. NISK Journal.
Melit Devassy, Binu; George, Sony; Hardeberg, Jon Yngve. (2019) Comparison of Ink Classification Capabilities of Classic Hyperspectral Similarity Features. Proceedings of 2019 International Conference on Document Analysis and Recognition Workshops (ICDARW).
Myrum, Espen; Nørstebø, Simen Andre; George, Sony; Pedersen, Marius; Museth, Jon. (2019) An automatic image-based system for detecting wild and stocked fish. NIKT: Norsk IKT-konferanse for forskning og utdanning.
Pillay, Ruven Lucio Saravana; Hardeberg, Jon Yngve; George, Sony. (2019) Hyperspectral imaging of art: Acquisition and calibration workflows. Journal of the American Institute for Conservation. vol. 58 (1-2).

2018

Nussbaum, Peter; George, Sony. (2018) 2018 Colour and Visual Computing Symposium (CVCS); 19th and 20th September, 2018, Gjøvik, Norway. IEEE. 2018. ISBN 978-1-5386-5645-7.
Pitard, Gilles; Le Goïc, Gaëtan; Mansouri, Alamin; Favreliére, Hugues; Pillet, Maurice; George, Sony; Hardeberg, Jon Yngve. (2018) Reflectance-based surface saliency. Proceedings of IEEE international conference on image processing. vol. 2017-September.
Sandu, Irina Crina Anca; Ford, Thierry; Miliani, Costanza; Janssens, Koen; Van der Snickt, Geert; Striova, Jana; Raffaella, Fontana; Cartechini, Laura; Rosi, Francesca; Romani, Aldo; Monico, Letizia; Grazia, Chiara; Pereira de Freitas, Renato; Tournie, Aurelie; Andraud, Christine; Detalle, Vincent; Bourguignon, Elsa; Laclavetine, Kilian; Mirambet, Francois; George, Sony; Hardeberg, Jon Yngve; Deborah, Hilda; Ufnalewska-Godzimirska, Magdalena; Landro, Gro; Tveit, Eva Storevik; Pettersen, Petra. (2018) THE “SCREAM” BY EDVARD MUNCH - SAME MOTIF, DIFFERENT COLOURS, DIFFERENT TECHNIQUES AND APPROACHES – A NOVEL NON-INVASIVE COMPARATIVE STUDY OF TWO OF ITS VERSIONS. ChemCH2018 ; 2018-07-03 - 2018-07-07.

2017

Deborah, Hilda; George, Sony; Hardeberg, Jon Yngve; Ferrer, Jin Strand; Sandu, Irina Crina Anca. (2017) Old Man in Warnemünde (1907) colouring palette: A case study on the use of hyperspectral imaging for pigment identification. Final program and proceedings (Color and Imaging Conference). vol. 2017 (25).
Deborah, Hilda; Strand-Ferrer, Jin; Sandu, Irina Crina Anca; George, Sony; Hardeberg, Jon Yngve. (2017) Old Man in Warnemünde (1907) colouring palette: A case study on the use of hyperspectral imaging for pigment identification. 25th Color and Imaging Conference . IS&T; Lillehammer. 2017-09-11 - 2017-09-15.
George, Sony; Hardeberg, Jon Yngve; Linhares, João; MacDonald,, Lindsay; Montagner, Cristina; Nascimento, Sérgio M. C .; Picollo, Marcello; Pillay, Ruven Lucio Saravana; Vitorino, Tatiana; E. Webb, Keats. (2017) A Study of Spectral Imaging Acquisition and Processing for Cultural Heritage by. Digital Techniques for Documenting and Preserving Cultural Heritage.
Pitard, Gilles; Le Goïc, Gaëtan; Mansouri, Alamin; Favreliére, Hugues; Pillet, Maurice; George, Sony; Hardeberg, Jon Yngve. (2017) Robust Anomaly Detection Using Reflectance Transformation Imaging for Surface Quality Inspection. Image Analysis 20th Scandinavian Conference, SCIA 2017 Tromsø, Norway, June 12–14, 2017 Proceedings, Part I.
Sharma, Vivek; Hardeberg, Jon Yngve; George, Sony. (2017) RGB-NIR image enhancement by fusing bilateral and weighted least squares filters. Journal of Imaging Science and Technology. vol. 61 (4).

2016

George, Sony; Hardeberg, Jon Yngve. (2016) Estimation and Correction of Geometric Distortion in Pushbroom Hyperspectral System for Imaging Art Paintings. IS&T International Symposium on Electronic Imaging Science and Technology. vol. Part F129942.

2015

Ciortan, Irina Mihaela; Deborah, Hilda; George, Sony; Hardeberg, Jon Yngve. (2015) Color and Hyperspectral Image Segmentation for Historical Documents. Proceedings of the 2nd International Congress on Digital Heritage 2015, Granada, Sept. 28 2015-Oct. 2 2015.
George, Sony; Ciortan, Irina Mihaela; Hardeberg, Jon Yngve. (2015) Evaluation of Hyperspectral Imaging Systems for Cultural Heritage Applications Based on a Round Robin Test. AIC 2015 Tokyo, Color and Image, Midterm Meeting of the International Colour Association (AIC) 19-22 May 2015 Tokyo, Japan; Proceedings.
George, Sony; Hardeberg, Jon Yngve. (2015) Ink classification and visualisation of historical manuscripts: Application of hyper spectral imaging. 2015 13th International Conference on Document Analysis and Recognition (ICDAR).
Hardeberg, Jon Yngve; George, Sony; Deger, Ferdinand; Baarstad, Ivar; Palacios, Julio Ernesto Hernandez. (2015) Spectral Scream: hyperspectral image acquisition and analysis of a masterpiece. Public Paintings by Edvard Munch and His Contemporaries: Change and Conservation Challenges.
Le Moan, Steven; George, Sony; Pedersen, Marius; Blahova, Jana; Hardeberg, Jon Yngve. (2015) A database for spectral image quality. Image Quality and System Performance XII.

2014

Deborah, Hilda; George, Sony; Hardeberg, Jon Yngve. (2014) Pigment Mapping of the Scream (1893) Based on Hyperspectral Imaging. Image and Signal Processing; 6th International Conference, ICISP 2014, Cherbourg, France, June 30 – July 2, 2014. Proceedings.
George, Sony; Grecicosei, Ana Maria; Waaler, Erik; Hardeberg, Jon Yngve. (2014) Spectral Image Analysis and Visualisation of the Khirbet Qeiyafa Ostracon. Image and Signal Processing; 6th International Conference, ICISP 2014, Cherbourg, France, June 30 – July 2, 2014. Proceedings.
Shrestha, Raju; Pillay, Ruven; George, Sony; Hardeberg, Jon Yngve. (2014) Quality evaluation in spectral imaging – Quality factors and metrics. Journal of the International Colour Association. vol. 10.