Dr. Ioannis Gkouzionis Profile

Dr. Ioannis Gkouzionis

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Publications (9)

Proceedings Article | 19 June 2024 Poster

Machine learning-based diagnostics of colon tumours by multi-separation diffuse reflectance spectroscopy

Vadzim Chalau, Yufeng Shi, Ioannis Gkouzionis, Lauren Ford, Dhurka Shanthakumar, Maria Leiloglou, James Kinross, Daniel Elson

Proceedings Volume PC13009, PC130090N (2024) https://doi.org/10.1117/12.3022189

KEYWORDS: Diagnostics, Machine learning, Diffuse reflectance spectroscopy, Colon, Tissues, Histopathology, Feature extraction, Algorithm development, Windows, Support vector machines

Proceedings Article | 19 June 2024 Presentation

Machine learning in combined multi-separation diffuse reflectance and intrinsic fluorescence spectroscopy diagnostics of breast tumours

Vadzim Chalau, Dhurka Shanthakumar, Ioannis Gkouzionis, Yufeng Shi, Maria Leiloglou, Anna Silvanto, Daniel Leff, Daniel Elson

Proceedings Volume PC13009, PC130090J (2024) https://doi.org/10.1117/12.3022183

KEYWORDS: Diagnostics, Machine learning, Diffuse reflectance spectroscopy, Tissues, Fluorescence spectroscopy, Breast, Surgery, Feature extraction, Biological samples, Reflection

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Proceedings Article | 19 June 2024 Presentation

In vivo classification of stomach and oesophageal tissues during upper gastrointestinal cancer surgery using diffuse reflectance spectroscopy

Ioannis Gkouzionis, Scarlet Nazarian, Maxime Giot, Ara Darzi, Nisha Patel, Christopher Peters, Daniel Elson

Proceedings Volume PC13009, PC130090B (2024) https://doi.org/10.1117/12.3016616

KEYWORDS: Tissues, Cancer, Surgery, Stomach, In vivo imaging, Diffuse reflectance spectroscopy, Resection, Reflection, Nervous system, Histopathology

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Proceedings Article | 6 March 2023 Presentation

Diffuse reflectance spectroscopy for in-vivo stomach and oesophageal tissue classification during upper gastrointestinal cancer surgery

Ioannis Gkouzionis, Scarlet Nazarian, Nisha Patel, Ara Darzi, Christopher Peters, Daniel Elson

Proceedings Volume PC12368, PC123680M (2023) https://doi.org/10.1117/12.2649625

KEYWORDS: Tissue optics, Cancer, Surgery, Stomach, Diffuse reflectance spectroscopy, In vivo imaging, Tissues, Data acquisition, Optical properties, Feature selection

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Proceedings Article | 24 May 2022 Presentation

Three-dimensional tissue reconstruction and tracking of a diffuse reflectance spectroscopy probe for real-time tissue classification in upper gastrointestinal cancer surgery

Ioannis Gkouzionis, Scarlet Nazarian, Ara Darzi, Nisha Patel, Christopher Peters, Daniel Elson

Proceedings Volume PC12146, PC121460D (2022) https://doi.org/10.1117/12.2620518

KEYWORDS: Tissue optics, 3D modeling, Surgery, Tissues, Cancer, Diffuse reflectance spectroscopy, Video, Optical tracking, Natural surfaces, Imaging systems

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Proceedings Article | 9 March 2022 Presentation

Real-time tissue classification in stomach and oesophageal cancer based on optical tracking of a diffuse reflectance spectroscopy probe

Ioannis Gkouzionis, Scarlet Nazarian, Michal Kawka, Ara Darzi, Nisha Patel, Christopher Peters, Daniel Elson

Proceedings Volume PC11949, PC119490B (2022) https://doi.org/10.1117/12.2608431

KEYWORDS: Tissue optics, Cancer, Stomach, Optical tracking, Diffuse reflectance spectroscopy, Video, Tissues, Surgery, Machine learning, Feature selection

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SPIE Journal Paper | 1 February 2022 Open Access

Real-time tracking of a diffuse reflectance spectroscopy probe used to aid histological validation of margin assessment in upper gastrointestinal cancer resection surgery

Ioannis Gkouzionis, Scarlet Nazarian, Michal Kawka, Ara Darzi, Nisha Patel, Christopher Peters, Daniel Elson

JBO, Vol. 27, Issue 02, 025001, (February 2022) https://doi.org/10.1117/12.10.1117/1.JBO.27.2.025001

KEYWORDS: Tissues, Tissue optics, Tumors, Stomach, Cancer, Optical tracking, Diffuse reflectance spectroscopy, Surgery, Esophagus, Data acquisition

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Proceedings Article | 7 December 2021 Paper

Using diffuse reflectance spectroscopy probe tracking to identify non-tumour and tumour tissue in upper gastrointestinal specimens

Ioannis Gkouzionis, Scarlet Nazarian, Arun Anandakumar, Ara Darzi, Nisha Patel, Christopher Peters, Daniel Elson

Proceedings Volume 11919, 119190K (2021) https://doi.org/10.1117/12.2614476

KEYWORDS: Tissues, Tissue optics, Stomach, Ocean optics, Cancer, Data acquisition, RGB color model, Diffuse reflectance spectroscopy, Surgery, Optical tracking

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Proceedings Article | 5 March 2021 Presentation

Real-time optical tracking of a diffuse reflectance spectroscopy probe for gastrointestinal tissue analysis

Ioannis Gkouzionis, Fernando Avila-Rencoret, Jamie Murphy, Christopher Peters, Daniel Elson

Proceedings Volume 11631, 1163108 (2021) https://doi.org/10.1117/12.2575889

KEYWORDS: Optical tracking, Cancer, Diffuse reflectance spectroscopy, Tissue optics, Tissues, Colorectal cancer, Biopsy, Video, RGB color model, Optical spectroscopy

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Showing 5 of 9 publications

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