Sony George

Associate Professor

Department of Computer Science Faculty of Information Technology and Electrical Engineering

sony.george@ntnu.no

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

2022

D, Deepthi; Melit Devassy, Binu; George, Sony; Nussbaum, Peter; Tessamma, Thomas. (2022) Classification of forensic hyperspectral paper data using hybrid spectral similarity algorithms. Journal of Chemometrics. vol. 36 (1).

2021

Babini, Agnese; George, Sony; Hardeberg, Jon Yngve. (2021) Hyperspectral imaging workflow for the acquisition and analysis of stained-glass panels. Optics for Arts, Architecture, and Archaeology VIII.
Ciortan, Irina-Mihaela; George, Sony; Hardeberg, Jon Yngve. (2021) Colour-Balanced Edge-Guided Digital Inpainting: Applications on Artworks. Sensors. vol. 21(6) (2091).
Ciortan, Irina-Mihaela; Giachetti, Andrea; George, Sony; Hardeberg, Jon Yngve. (2021) Fluorescence Transformation Imaging. Optics for Arts, Architecture, and Archaeology VIII.
Francis, Jobin; Madathil, Baburaj; George, Sudhish N; George, Sony. (2021) A Comprehensive Tensor Framework for the Clustering of Hyperspectral Paper Data with an Application to Forensic Document Analysis. IEEE Access. vol. 10.
Francis, Jobin; Madathil, Baburaj; George, Sudhish N; George, Sony. (2021) A Robust Tensor-Based Submodule Clustering for Imaging Data Using l1/2 Regularization and Simultaneous Noise Recovery via Sparse and Low Rank Decomposition Approach. Journal of Imaging. vol. 7 (12).
Grillini, Federico; Thomas, Jean Baptiste; George, Sony. (2021) Comparison of Imaging Models for Spectral Unmixing in Oil Painting. Sensors. vol. 21 (7).
Grillini, Federico; Thomas, Jean Baptiste; George, Sony. (2021) Radiometric spectral fusion of VNIR and SWIR hyperspectral cameras. Color and Imaging Conference (CIC). vol. 29.
Grillini, Federico; Thomas, Jean Baptiste; George, Sony. (2021) VisNIR pigment mapping and re-rendering of an experimental painting. Journal of the International Colour Association. vol. 26.
Mandal, Dipendra Jee; George, Sony; Pedersen, Marius; Boust, Clotilde. (2021) Influence of acquisition parameters on pigment classification using hyperspectral imaging. Journal of Imaging Science and Technology. vol. 65 (5).
Melit Devassy, Binu; George, Sony. (2021) Estimation of strawberry firmness using hyperspectral imaging: a comparison of regression models. Journal of Spectral Imaging. vol. 10.
Melit Devassy, Binu; George, Sony. (2021) Forensic analysis of beverage stains using hyperspectral imaging. Scientific Reports. vol. 11 (6512).
Moen, Jon Elias; Nilsen, Vebjørn Johansen; Brox-Saidi, Katherine Asha; Kohmann, Eivind; Melit Devassy, Binu; George, Sony. (2021) Hyperspectral imaging and machine learning for the prediction of SSC in kiwi fruits. NIKT: Norsk IKT-konferanse for forskning og utdanning. vol. 1/2021.
Trumpy, Giorgio; Hardeberg, Jon Yngve; George, Sony; Flueckiger, Barbara. (2021) A Multispectral Design for a New Generation of Film Scanners. SPIE Optical Metrology . SPIE; Munich. 2021-06-21 - 2021-06-25.
Trumpy, Giorgio; Hardeberg, Jon Yngve; George, Sony; Flueckiger, Barbara. (2021) Multispectral Capture of Film Colors with LEDs. Colour Photography and Film: sharing knowledge of analysis, preservation, conservation, migration of analogue and digital materials . Associazione Italiana Colore; Florence. 2021-03-29 - 2021-03-30.

2020

Babini, Agnese; George, Sony; Lombardo, Tiziana; Hardeberg, Jon Yngve. (2020) Potential and Challenges of Spectral Imaging for Documentation and Analysis of Stained-Glass Windows. London Imaging Meeting 2020: Future Colour Imaging.
Grillini, Federico; Thomas, Jean Baptiste; George, Sony. (2020) Linear, Subtractive and Logarithmic Optical Mixing Models in Oil Painting. CEUR Workshop Proceedings. vol. 2688.
Grillini, Federico; Thomas, Jean Baptiste; George, Sony. (2020) Mixing models in close-range spectral imaging for pigment mapping in Cultural Heritage. Proceedings of the AIC ; 2020-11-26 - 2020-11-27.
Melit Devassy, Binu; George, Sony. (2020) Contactless Classification of Strawberry Using Hyperspectral Imaging. CEUR Workshop Proceedings. vol. 2688.
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).
Pillay, Ruven Lucio Saravana; Picollo, Marcello; Hardeberg, Jon Yngve; George, Sony. (2020) Evaluation of the Data Quality from a Round-Robin Test of Hyperspectral Imaging Systems. Sensors. vol. 20 (14).
Pillay, Ruven Lucio Saravana; Picollo, Marcello; Hardeberg, Jon Yngve; George, Sony. (2020) Evaluation of the data quality from a round-robin test of hyperspectral imaging systems. Sensors. vol. 20 (14).
Sidorov, Oleksii; Hardeberg, Jon Yngve; George, Sony; Harvey, Joshua; Smithson, Hannah. (2020) Changes in the visual appearance of polychrome wood caused by (accelerated) aging. IS&T International Symposium on Electronic Imaging Science and Technology.

2019

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).
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.
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

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.
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.

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. Color and Imaging Conference (CIC). 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).

Språkvelger