Prof. Charles E. Riva Profile

Prof. Charles E. Riva

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Publications (11)

SPIE Journal Paper | 31 January 2014

Hyperemic responses of the optic nerve head blood flow to chromatic equiluminant flicker are reduced by ocular hypertension and early glaucoma

Benedetto Falsini, Charles Riva, Tommaso Salgarello, Eric Logean, Alberto Colotto, Andrea Giudiceandrea

OE, Vol. 53, Issue 06, 061706, (January 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.6.061706

KEYWORDS: Colorimetry, Blood circulation, Optic nerve, Head, Doppler effect, Eye, Modulation, Mercury, Cameras, Optical engineering

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Proceedings Article | 9 March 2012 Paper

Does tropicamide affect choroidal blood flow in humans? a laser Doppler flowmetry study

Nithiyanantham Palanisamy, Charles Riva, Luigi Rovati, Mauro Cellini, Corrado Gizzi, Ernesto Strobbe, Emilio Campos

Proceedings Volume 8209, 82091M (2012) https://doi.org/10.1117/12.906605

KEYWORDS: Blood circulation, Doppler effect, Eye, Digital signal processing, Blood, Light scattering, Tissues, Velocity measurements, Scattering, Cameras

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Proceedings Article | 12 February 2011 Paper

Effect of timolol on sub-foveal choroidal blood flow using laser Doppler flowmetry

Nithiyanantham Palanisamy, Luigi Rovati, Mauro Cellini, Corrado Gizzi, Ernesto Strobbe, Emilio Campos, Charles Riva

Proceedings Volume 7885, 78850E (2011) https://doi.org/10.1117/12.874495

KEYWORDS: Doppler effect, Eye, Blood circulation, Blood, Light scattering, Heart, Arteries, Velocity measurements, Sensors, Blood pressure

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Proceedings Article | 3 March 2010 Paper

Image processing algorithms for ocular fundus reflectometry

Nithiyanantham Palanisamy, Ilaria Bruschi, Matteo Bonaiuti, Luigi Rovati, Charles Riva

Proceedings Volume 7550, 75501V (2010) https://doi.org/10.1117/12.841872

KEYWORDS: Image registration, Detection and tracking algorithms, Image processing, Algorithm development, Light emitting diodes, Reflectometry, Reflectivity, Tissues, Cameras, Near infrared

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Proceedings Article | 5 March 2007 Paper

A system for functional imaging of the ocular fundus

Matteo Bonaiuti, Luigi Rovati, Charles Riva

Proceedings Volume 6426, 642612 (2007) https://doi.org/10.1117/12.700786

KEYWORDS: Reflectivity, Near infrared, Optic nerve, Eye, Calibration, Blood, Tissues, Reflectometry, Eye models, Cameras

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SPIE Journal Paper | 1 January 2003 Open Access

Blood pO₂ and blood flow at the optic disc

Stephane Chamot, Stephen Cranstoun, Benno Petrig, Constantin Pournaras, Charles Riva

JBO, Vol. 8, Issue 01, (January 2003) https://doi.org/10.1117/12.10.1117/1.1527935

KEYWORDS: Phosphorescence, Blood, Mercury, Tissues, Blood circulation, Eye, Oxygen, Molecules, Cameras, Hyperoxia

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Proceedings Article | 26 October 2001 Paper

Application of phosphorescence quenching by O2 to the investigation of O2 delivery to ocular tissues

Stephane Chamot, Benno Petrig, Constantin Pournaras, Christine Percicot, George Lambrou, Charles Riva

Proceedings Volume 4433, (2001) https://doi.org/10.1117/12.446498

KEYWORDS: Blood, Eye, Phosphorescence, Oxygen, Veins, Tissues, Quenching (fluorescence), Cameras, Retina, Carbon monoxide

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Proceedings Article | 13 June 2001 Paper

Helmet-mounted choroidal laser Doppler flowmeter

Martial Geiser, Fabrice Moret, Charles Riva

Proceedings Volume 4263, (2001) https://doi.org/10.1117/12.429325

KEYWORDS: Doppler effect, Digital signal processing, Blood, Blood circulation, Eye, Retina, Cornea, Light scattering, Hemodynamics, Head

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SPIE Journal Paper | 1 October 1999 Open Access

Compact laser Doppler choroidal flowmeter

Martial Geiser, Ulrich Diermann, Charles Riva

JBO, Vol. 4, Issue 04, (October 1999) https://doi.org/10.1117/12.10.1117/1.429960

KEYWORDS: Doppler effect, Light scattering, Eye, Optical fibers, Digital signal processing, Cameras, Blood, Imaging systems, Tissue optics, Laser scattering

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SPIE Journal Paper | 1 March 1995

Choroidal blood flow by laser Doppler flowmetry

Charles Riva, Benno Petrig

OE, Vol. 34, Issue 03, (March 1995) https://doi.org/10.1117/12.10.1117/12.195229

KEYWORDS: Digital signal processing, Doppler effect, Eye, Blood circulation, Light scattering, Blood, Cameras, Laser tissue interaction, Computing systems, Semiconductor lasers

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Proceedings Article | 12 January 1995 Paper

Optic nerve and choroidal blood flow in humans by laser Doppler flowmetry

Charles Riva, Benno Petrig, Mark Mendel, Stephen Cranstoun

Proceedings Volume 2330, (1995) https://doi.org/10.1117/12.199256

KEYWORDS: Digital signal processing, Blood circulation, Doppler effect, Optic nerve, Light scattering, Blood, Eye, Ophthalmology, Computing systems, Head

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Showing 5 of 11 publications

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