id
	14568
Url
	https://chloe.cnr.it/s/BiDiAr/item/14568
Resource template
	Academic Article
Resource class
	bibo:AcademicArticle
Title
	Sky-View Factor as a Relief Visualization Technique
Creator
	Zakšek, Klemen
	Oštir, Kristof
	Kokalj, Žiga
Date
	2011
Language
	eng
Rights
	http://creativecommons.org/licenses/by/3.0/
Abstract
	Remote sensing has become the most important data source for the digital elevation model (DEM) generation. DEM analyses can be applied in various fields and many of them require appropriate DEM visualization support. Analytical hill-shading is the most frequently used relief visualization technique. Although widely accepted, this method has two major drawbacks: identifying details in deep shades and inability to properly represent linear features lying parallel to the light beam. Several authors have tried to overcome these limitations by changing the position of the light source or by filtering. This paper proposes a new relief visualization technique based on diffuse, rather than direct, illumination. It utilizes the sky-view factor—a parameter corresponding to the portion of visible sky limited by relief. Sky-view factor can be used as a general relief visualization technique to show relief characteristics. In particular, we show that this visualization is a very useful tool in archaeology as it improves the recognition of small scale features from high resolution DEMs.
Is Part Of
	Remote Sensing
Cited by
	13590
Doi
	https://doi.org/10.3390/rs3020398
Issn
	2072-4292
Issue
	2
Pages
	398-415
Uri
	https://www.mdpi.com/2072-4292/3/2/398
Volume
	3
Homepage
	https://www.zotero.org/groups/5293298/bidiar/items/3Q6G2PJY/item-list
Tag
	visualization
	analytical hill-shading
	digital elevation model
	relief mapping
	sky-view factor

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