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人工修整滑雪道的（不）可见性

The (In)visibility of Groomed Ski Runs.

作者信息

Harrison William J

机构信息

Queensland Brain Institute, The University of Queensland, Brisbane, Australia.

出版信息

Iperception. 2019 Apr 13;10(2):2041669519842895. doi: 10.1177/2041669519842895. eCollection 2019 Mar-Apr.

DOI:10.1177/2041669519842895
PMID:31019672
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6463239/
Abstract

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.

摘要

我分析了不同光照条件下“平整过的”滑雪道的可见度。人类对比敏感度模型预测，平整过的雪的空间周期可能会使其在阴影中或阴天时不可见。我通过视觉演示证实了这一预测，并提出了提高可见度的建议。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4520/6463239/7f7c0c87c44f/10.1177_2041669519842895-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4520/6463239/c9fe8d4af50b/10.1177_2041669519842895-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4520/6463239/b4a684026604/10.1177_2041669519842895-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4520/6463239/7f7c0c87c44f/10.1177_2041669519842895-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4520/6463239/c9fe8d4af50b/10.1177_2041669519842895-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4520/6463239/b4a684026604/10.1177_2041669519842895-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4520/6463239/7f7c0c87c44f/10.1177_2041669519842895-fig3.jpg

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本文引用的文献

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Sports Med. 2015 Aug;45(8):1175-90. doi: 10.1007/s40279-015-0334-7.
2
A standard model for foveal detection of spatial contrast.一种用于中央凹空间对比度检测的标准模型。
J Vis. 2005 Oct 26;5(9):717-40. doi: 10.1167/5.9.6.
3
Effect of trail design and grooming on the incidence of injuries at alpine ski areas.滑雪道设计与维护对高山滑雪区受伤发生率的影响。
Br J Sports Med. 2004 Jun;38(3):264-8. doi: 10.1136/bjsm.2002.000270.
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Spatial frequency, phase, and the contrast of natural images.
J Opt Soc Am A Opt Image Sci Vis. 2002 Jun;19(6):1096-106. doi: 10.1364/josaa.19.001096.
5
The perception of depth contours with yellow goggles.佩戴黄色护目镜时对深度轮廓的感知。
Perception. 1983;12(3):363-6. doi: 10.1068/p120363.