Petri Varsa
Petri Varsa is currently a Ph.D. student at the University of Waterloo. He
earned an M.Sc in Computer Science from the University of Calgary in
2004, and a B.Math. in Computer Science from the University of
Waterloo in 2001. His research interests include simulation and
rendering of natural phenomena.
Petri's extracurricular interests include
photography,
cross-country skiing, canoeing, and hiking.
Master's Thesis
Publications in Journals and Conferences
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Baranoski, G.V.G.; Varsa, P.M.
Environmentally induced snow transmittance variations in the photosynthetic spectral domain:
Photobiological implications for subnivean vegetation under climate warming conditions
Remote Sensing, Volume 16, Number 5, pp. 927:1-22, March 2024.
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Varsa, P.M.; Baranoski, G.V.G.
Rendering the bluish appearance of snow: When light transmission matters
(Errata &
Video)
IEEE Computer Graphics and Applications, Volume 44, Number 1, pp. 50-61, January/February 2024.
Media Coverage
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Baranoski, G.V.G.; Varsa, P.
In Silico
Assessment of Tanning Masking Effects on
Skin Chromatic Attributes Elicited by Anemia and Hyperbilirubinemia
(Presentation Slides)
In: Proceedings of the 44th Annual International Conference of the IEEE
Engineering in Medicine and Biology Society (EMBC),
Glasgow, Scotland, UK - July 11 to 15, 2022, pp. 4716-4722.
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Varsa, P.M.; Baranoski, G.V.G.
On the sensitivity of snow bidirectional reflectance to variations in grain characteristics
(Video)
Proc. of SPIE Vol. 11856, Remote Sensing for Agriculture, Ecosystems, and Hydrology XXIII,
SPIE Remote Sensing, Online Only
Eds. C.M.U. Neale and A. Maltese, pp. 118560G-1-10, September 2021.
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Varsa, P.M.; Baranoski, G.V.G.
In silico assessment of light penetration into snow: Implications to the prediction of slab failures leading to avalanches
(Video)
Proc. of SPIE Vol. 11863, Earth Resources and Environmental Remote Sensing/GIS Applications XII,
SPIE Remote Sensing, Online Only
Ed. K. Schulz, pp. 1186305-1-10, September 2021.
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Baranoski, G.V.G.; Iwanchyshyn, M.; Kimmel, B.W; Varsa, P.M.; Van Leeuwen, S.R.
Evaluating the effects of distinct water
saturation states on the light penetration depths of sand-textured soils
(Video)
Proc. of SPIE Vol. 11856, Remote Sensing for Agriculture, Ecosystems, and Hydrology XXIII,
SPIE Remote Sensing, Online Only
Eds. C.M.U. Neale and A. Maltese, pp. 118560U-1-14, September 2021.
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Baranoski, G.V.G.; Iwanchyshyn, M.; Kimmel, B.W; Varsa, P.; Van Leeuwen, S.R.
Exploring the Transmission of VNIR Light Through Martian Regolith
(Video),
Proceedings of 2021 IEEE International Geoscience & Remote Sensing Symposium - IGARSS 2021
Brussels, Belgium, pp. 6155-6158, July 12-16, 2021.
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Baranoski, G.V.G.; Iwanchyshyn, M.; Kimmel, B.W; Varsa, P.; Van Leeuwen, S.R.
On the Red to Far-Red Ratios of Light Propagated by Sand-Textured Soils
(Video),
Proceedings of 2021 IEEE International Geoscience & Remote Sensing Symposium - IGARSS 2021
Brussels, Belgium, pp. 6443-6446, July 12-16, 2021.
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Varsa, P.M.; Baranoski, G.V.G.; Kimmel, B.W.
SPLITSnow: A spectral light transport model for snow
(Errata)
Remote Sensing of Environment, Volume 255, pp. 112272:1-20, March, 2021.
- Baranoski, G.V.G.; Kimmel, B.W; Varsa, P.; Iwanchyshyn, M.
On the Light Penetration in Natural Sands
Proceedings of 2019 IEEE International Geoscience & Remote Sensing Symposium - IGARSS 2019
Yokohama, Japan, pp. 6933-6936, July 28-August 2, 2019.
- Baranoski, G.V.G.; Kimmel, B.W; Varsa, P.; Iwanchyshyn, M.
What Can Terrestrial Sand-Textured Soils Reveal About the Composition of Core Materials Forming Martian Regolith?
Proceedings of 2019 IEEE International Geoscience & Remote Sensing Symposium - IGARSS 2019
Yokohama, Japan, pp. 6015-6018, July 28-August 2, 2019.
- Baranoski, G.V.G.; Kimmel, B.W; Varsa, P.; Iwanchyshyn, M.
Porosity Effects on the Red to Far-Red Ratios of Light Transmitted in Natural Sands: Implications for Photoblastic Seed Germination
(Errata)
Proc. of SPIE, Vol. 11149, Remote Sensing for Agriculture, Ecosystems, and Hydrology XXI,
SPIE Remote Sensing, Strasbourg, France
Eds. C.M.U. Neale and A. Maltese, pp. 111490O-1-14, September, 2019.
- Baranoski, G.V.G.; Kimmel, B.W.; Varsa, P.
Assessing the Impact of Porosity Variations on the Reflectance and Transmittance of Natural Sands
Journal of Applied Remote Sensing
Volume 13, Number 2, pp. 024522:1-15, June, 2019.
- Baranoski, G.V.G.; Chen, T.F., Varsa, P.
On the Effective Differentiation and Monitoring
of Variable Degrees of Hyperbilirubinemia Severity Through Noninvasive Screening Protocols
In: Proceedings of the 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
(EMBC),
Honolulu, HI, USA, July, 2018, pp. 4981-4986.
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Varsa, P.; Rokne, J.
Simulation of the Ball Lightning
Phenomenon
Computers & Graphics, Volume 30, Issue 4, August 2006, pp. 485-493
Research Related Images
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- Rendering the bluish appearance of snow: When light transmission matters
Research Related Videos
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- Rendering the bluish appearance of snow: When light transmission matters
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