نتایج جستجو برای: water falls viewshed

تعداد نتایج: 587512  

Journal: :Forests 2021

This paper demonstrates the possibilities of a Geographical Information System (GIS) for investigating and explicating spatial variation short-range viewshed aesthetic appeal in World Heritage coastal dune forest area. The study pursues following objectives: (1) develop trial GIS-based algorithm computing Aesthetic Appeal Index Short-Range Viewshed (?); (2) deliver an output map showing compute...

Akbari Kamrani, Ahmad Ali, Azadi, Farhad, Foroughan, Mahshid, Kaldi, Ali Reza, Siadat, Saeid,

Objectives: Falls by elderly people area frequent cause of morbidity and mortality, especially in institutionalized elders. to describe the features of falls among institutionalized elderly people. Methods & Materials: characteristics of falls in the preceding six months (March 2006 - September 2006) that occurred among elder lies (aged over 60years) with normal physical function and cogniti...

2009
Martin Tomko Friedjoff Trautwein Ross Purves

Image retrieval of landscape photographs requires accurate annotation using multi-faceted descriptions relating to the subject and content of the photograph. The subject of such photographs is dominantly the terrain and spatial objects visible from the photographer’s viewpoint. While some spatial objects in the background may be obscured by foreground vegetation, other visible spatial objects b...

2010
K. Nackaerts G. Govers L. Loots

In archaeological research, visibility analysis is usually based on binary viewshed maps. However, Digital Elevation Models inherently contain errors due to inaccuracies in the original topographic data and the data structure used. Therefore the binary classification will be subject to an unknown amount of error. It would be more appropriate to use a method for visibility calculation which allo...

2012
John C. Lyons Mark Pollard Timothy E. Cooney

Background: Little kinematic or kinetic information is available to understand risks associated with water skier falls. The present study assessed accelerations during low-speed falls and then contrasted these data against information obtained from automotive crash tests to better delineate risk of injury. The goal was to establish baseline impact information for low-speed falls during water sk...

2013

We present an approach to determine the credibility of content provided within a visual VGI source such as Flickr. We propose analysing the variability of selected user and photo metadata of geotagged Flickr photos with the location correctness of these images, which is our reference quality measure. These observed user and photo metadata can help to infer the credibility of contributors.

Journal: :nursing practice today 0
ali dadgari school of nursing and midwifery, shahroud university of medical sciences, shahroud, iran tengku aizan hamid director national institute of gerontology. universiti putra malaysia mohammed nazrul hakim faculty of medicine and health sciences, universiti putra malaysia, putra, malaysia seyed abbas mousavi center for health-related social and behavioral sciences research, shahroud university of medical sciences, shahroud, iran. leila dadvar imam hossein center for education, research and treatment, shahroud university of medical sciences, shahroud, iran. mohammad mohammadi vice-chancellery of health, shahroud university of medical sciences, shahroud, iran.

background & aim: fear of fall is well-known risk factor for falls among senior citizens. however, the mechanism by which fear of falls can facilitate falls is not clear. this study hypothesized that falls self-efficacy can play a role in relationship between fear of falls and falls. there has been rapidly growing literature on falls among senior citizens, and however, the role of falls selfeff...

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