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A novel photometric stereo imaging sensor for endoscopy imaging: Proof of concept studies on a porcine model

Poullis, Andrew; Groves, Chris; Slabaugh, Gregory; Emrith, Khemraj; Smith, Melvyn


Andrew Poullis

Chris Groves

Gregory Slabaugh

Dr Khemraj Emrith
Associate Head of Departmemt Business Engagement and Partnerships

Melvyn Smith
Research Centre Director Vision Lab/Prof


The American Society of Gastroenterology Endoscopy led Preservation and Incorporation of Valuable Endoscopy Innovations initiative has identified real time poly diagnosis as one of the next major technology driven changes in endoscopy (1). A number of imaging techniques are presently being investigated in this area. The complex and demanding nature of the imaging environment, including issues relating to operation in a confined space, the presence of surface fluids and the highly reflective nature of the mucosa areas, renders 3D surface capture and analysis for the purpose of diagnosis an extremely challenging task. A novel Photometric Stereo (PS) imaging sensor has never been previously assessed for mucosal imaging. PS imaging requires the capture of the mucosal regions while illuminated using light from differing known directions and offers the potential for the recovery of high resolution 3D shape and topographic texture data. The captured PS images are then used to recover and analyse the 3D surface geometry.

Journal Article Type Article
Start Date Jun 16, 2014
Publication Date Jun 17, 2014
Journal Gut
Print ISSN 0017-5749
Publisher BMJ Publishing Group
Peer Reviewed Peer Reviewed
Volume 63
Issue S1
Pages A46-A47
APA6 Citation Poullis, A., Groves, C., Slabaugh, G., Emrith, K., & Smith, M. (2014). A novel photometric stereo imaging sensor for endoscopy imaging: Proof of concept studies on a porcine model. Gut, 63(S1), A46-A47.
Keywords novel, photometric stereo, imaging, sensor, endoscopy imaging, proof, porcine model
Publisher URL
Additional Information Title of Conference or Conference Proceedings : British Society of Gastroenterology Annual Meeting 2014