Exploiting User Generated Content for Mountain Peak Detection
-
Upload
cubrik-project -
Category
Technology
-
view
110 -
download
5
description
Transcript of Exploiting User Generated Content for Mountain Peak Detection
![Page 1: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/1.jpg)
1/05/2013
SoHuman 2013 atACM Web Science 2013 1
Exploiting User Generated Content for Mountain Peak Detection
Roman Fedrov, Davide Martinenghi, Marco Tagliasacchi,
Andrea Castelletti
![Page 2: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/2.jpg)
2
Passive Human Computation
User Effort
SoHuman 2013 atACM Web Science 20131/05/2013
![Page 3: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/3.jpg)
3
Passive Human Computation
Collective Intelligence
SoHuman 2013 atACM Web Science 20131/05/2013
Our GoalRetrieve the collections of the mountain appearances in different time instants and build environmental models.
201320122011201020092008
Key ProblemIdentify the mountains
![Page 4: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/4.jpg)
4
Key Problem: Object Identification
Input
SoHuman 2013 atACM Web Science 20131/05/2013
46° 0’ 48.51” N7° 48’ 6.62” E
http://www.udeuschle.de/Panoramen.html
![Page 5: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/5.jpg)
5
Key Problem: Object Identification
Output
SoHuman 2013 atACM Web Science 20131/05/2013
![Page 6: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/6.jpg)
6
Matching Algorithm
SoHuman 2013 atACM Web Science 20131/05/2013
StepsScaleRenderExtract EdgesFilterMatch
![Page 7: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/7.jpg)
7
Matching Algorithm
SoHuman 2013 atACM Web Science 20131/05/2013
StepsScaleRenderExtract EdgesFilterMatch
![Page 8: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/8.jpg)
8
Matching Algorithm
SoHuman 2013 atACM Web Science 20131/05/2013
StepsScaleRenderExtract EdgesFilterMatch
![Page 9: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/9.jpg)
9
Matching Algorithm
SoHuman 2013 atACM Web Science 20131/05/2013
StepsScaleRenderExtract EdgesFilterMatch
![Page 10: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/10.jpg)
10
Matching Algorithm
SoHuman 2013 atACM Web Science 20131/05/2013
StepsScaleRenderExtract EdgesFilterMatch
Adapted from matching technique by Baboud et al. “Automatic photo-to-terrain alignment for the annotation of mountain pictures”, CVPR 2011
![Page 11: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/11.jpg)
11
Results
SoHuman 2013 atACM Web Science 20131/05/2013
62% of correct match as maximum result
81% of correct match in top-10 positions
![Page 12: Exploiting User Generated Content for Mountain Peak Detection](https://reader033.fdocuments.net/reader033/viewer/2022051819/54c76dd84a79597f648b467a/html5/thumbnails/12.jpg)
12
Potential Applications
SoHuman 2013 atACM Web Science 20131/05/2013
http://www.nohrsc.noaa.gov/
Augmented Reality
Environmental Models
Colle dei BreuilFurgggrat