The (In)visibility of Groomed Ski Runs

I analyse the visibility of “groomed” ski runs under different lighting conditions. A model of human contrast sensitivity predicts that the spatial period of groomed snow may render it invisible in the shade or on overcast days. I confirm this prediction with visual demonstrations and make a suggest...

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Detalles Bibliográficos
Autor principal: Harrison, William J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: SAGE Publications 2019
Materias:
Short and Sweet
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6463239/
https://www.ncbi.nlm.nih.gov/pubmed/31019672
http://dx.doi.org/10.1177/2041669519842895
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author Harrison, William J.
author_facet Harrison, William J.
author_sort Harrison, William J.
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description I analyse the visibility of “groomed” ski runs under different lighting conditions. A model of human contrast sensitivity predicts that the spatial period of groomed snow may render it invisible in the shade or on overcast days. I confirm this prediction with visual demonstrations and make a suggestion to improve visibility.
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spelling pubmed-64632392019-04-24 The (In)visibility of Groomed Ski Runs Harrison, William J. Iperception Short and Sweet I analyse the visibility of “groomed” ski runs under different lighting conditions. A model of human contrast sensitivity predicts that the spatial period of groomed snow may render it invisible in the shade or on overcast days. I confirm this prediction with visual demonstrations and make a suggestion to improve visibility. SAGE Publications 2019-04-13 /pmc/articles/PMC6463239/ /pubmed/31019672 http://dx.doi.org/10.1177/2041669519842895 Text en © The Author(s) 2019 http://creativecommons.org/licenses/by/4.0/ Creative Commons CC-BY: This article is distributed under the terms of the Creative Commons Attribution 4.0 License (http://www.creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).
spellingShingle Short and Sweet
Harrison, William J.
The (In)visibility of Groomed Ski Runs
title The (In)visibility of Groomed Ski Runs
title_full The (In)visibility of Groomed Ski Runs
title_fullStr The (In)visibility of Groomed Ski Runs
title_full_unstemmed The (In)visibility of Groomed Ski Runs
title_short The (In)visibility of Groomed Ski Runs
title_sort (in)visibility of groomed ski runs
topic Short and Sweet
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6463239/
https://www.ncbi.nlm.nih.gov/pubmed/31019672
http://dx.doi.org/10.1177/2041669519842895
work_keys_str_mv AT harrisonwilliamj theinvisibilityofgroomedskiruns
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