Using Reverse Viewshed Analysis to Assess the Location Correctness of Visually Generated VGI

With the increased availability of user generated data, assessing the quality and credibility of such data becomes important. In this article, we propose to assess the location correctness of visually generated Volunteered Geographic Information (VGI) as a quality reference measure. The location correctness is determined by checking the visibility of the point of interest from the position of t...

متن کامل

Assessing the Credibility of VGI Contributors Based on Metadata and Reverse Viewshed Analysis - An Experiment with Geotagged Flickr Images

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.

متن کامل

Assessing the Credibility of VGI Contributors Based on Metadata and Reverse Viewshed Analysis - An Experiment with Geotagged Flickr Images

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.

متن کامل

Assessing the Credibility of VGI Contributors Based on Metadata and Reverse Viewshed Analysis - An Experiment with Geotagged Flickr Images

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.

متن کامل

consequence analysis of the leakage, ignition and explosion during high pressure sour gas injection process to the oil reservoir

there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...

Using Reverse Viewshed Analysis to Assess the Location Correctness of Visually Generated VGI

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

منابع مشابه