Dr. Subhash Narayanan Profile

Dr. Subhash Narayanan

Founder & CEO at Sascan Meditech Pvt Ltd

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Publications (7)

SPIE Journal Paper | 16 August 2021 Open Access

Bimodal multispectral imaging system with cloud-based machine learning algorithm for real-time screening and detection of oral potentially malignant lesions and biopsy guidance

Subhash Narayanan, Suresh Anand, Ranimol Prasanna, Sandeep Managoli, Rinoy Suvarnadas, Vidyarani Shyamsundar, Karthika Nagarajan, Sourav Mishra, Migi Johnson, Mahesh Dathurao Ramanand, Sanjay Jogigowda, Vishal Rao, Kodaganur Gopinath

JBO, Vol. 26, Issue 08, 086003, (August 2021) https://doi.org/10.1117/12.10.1117/1.JBO.26.8.086003

KEYWORDS: Absorption, Light emitting diodes, Luminescence, Machine learning, Imaging systems, Diagnostics, Multispectral imaging, Cancer, Biopsy, Tissues

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SPIE Journal Paper | 5 March 2012 Open Access

Discrimination of periodontal diseases using diffuse reflectance spectral intensity ratios

Prasanth Sekhar, Subhash Narayanan, Joseph Betsy, Janam Presanthila

JBO, Vol. 17, Issue 02, 027001, (March 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.2.027001

KEYWORDS: Tissues, Inflammation, Diffuse reflectance spectroscopy, Diagnostics, Blood, Bone, Oxygen, Spectroscopy, Tissue optics, Absorption

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Proceedings Article | 2 February 2012 Paper

Non-invasive detection of periodontal disease using diffuse reflectance spectroscopy: a clinical study

Chandra Sekhar Prasanth, Joseph Betsy, Narayanan Subhash, Jayaraj Jayanthi, Janam Prasanthila

Proceedings Volume 8230, 823011 (2012) https://doi.org/10.1117/12.907693

KEYWORDS: Inflammation, Tissues, Diagnostics, Diffuse reflectance spectroscopy, Absorption, Cameras, Spectroscopy, Imaging systems, Electron multiplying charge coupled devices, Teeth

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Proceedings Article | 1 February 2012 Paper

Diffuse reflectance imaging: a tool for guided biopsy

Jayaraj Jayanthi, Narayanan Subhash, Stephen Manju, Unni Nisha, Valappil Beena

Proceedings Volume 8220, 822004 (2012) https://doi.org/10.1117/12.907734

KEYWORDS: Biopsy, Tissues, Tissue optics, Cancer, Diffuse reflectance spectroscopy, Reflectivity, Imaging systems, Tongue, Visualization, Absorption

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SPIE Journal Paper | 1 March 2010 Open Access

Clinical trial for detection of dental caries using laser-induced fluorescence ratio reference standard

Shiny Thomas, Soumyakant Mohanty, J. Jayanthi, Jolly Varughese, Anitha Balan, Narayanan Subhash

JBO, Vol. 15, Issue 02, 027001, (March 2010) https://doi.org/10.1117/12.10.1117/1.3365945

KEYWORDS: Dental caries, Teeth, Laser induced fluorescence, Luminescence, Diagnostics, Clinical trials, Tissues, Semiconductor lasers, Optical inspection, Selenium

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SPIE Journal Paper | 1 July 2008 Open Access

Oxygenated hemoglobin diffuse reflectance ratio for in vivo detection of oral pre-cancer

Rupananda Mallia, Shiny Thomas, Anitha Mathews, Rejnish Kumar, Paul Sebastian, Jayaprakash Madhavan, Narayanan Subhash

JBO, Vol. 13, Issue 04, 041306, (July 2008) https://doi.org/10.1117/12.10.1117/1.2952007

KEYWORDS: Tissues, Diffuse reflectance spectroscopy, Tongue, Spectroscopy, Cancer, Absorption, In vivo imaging, Biopsy, Reflectivity, Reflectance spectroscopy

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SPIE Journal Paper | 1 January 2006 Open Access

Oral cancer detection using diffuse reflectance spectral ratio R540/R575 of oxygenated hemoglobin bands

N. Subhash, J. Mallia, S. Thomas, A. Mathews, P. Sebastian, J. Madhaven

JBO, Vol. 11, Issue 01, 014018, (January 2006) https://doi.org/10.1117/12.10.1117/1.2165184

KEYWORDS: Tissues, Diffuse reflectance spectroscopy, Reflectivity, Absorption, Cancer, Tissue optics, In vivo imaging, Spectroscopy, Light scattering, Tongue

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