NDLI: Single Frame Based Video Geo-Localisation Using Structure Projection

Content Provider	IEEE Xplore Digital Library
Author	Bodensteiner, C. Bullinger, S. Lemaire, S. Arens, M.
Copyright Year	2015
Abstract	Community image and video platforms like FlickR and Youtube offer large image collections from different perspectives. However, the majority of publicly available imagery from online communities lack a reasonable exact location and orientation information, which is important for many geo-spatial applications like object geo-referencing, knowledge transfer or augmented reality. In this work we exploit publicly available drone videos in order to bridge the gap between ground and aerial imagery. We propose a framework for the fast determination of full 6-D georeferenced motion trajectories of online community drone video footage using geo-localized map data. Our method requires the registration of a single video frame from a video sequence in order to exactly geo-reference complete motion trajectories w.r.t. to existing geo-referenced map data. The method relies on SfM and SLAM techniques in combination with a simple, yet efficient appearance and structure matching based on rendered map data (e.g. LiDAR) in order to generate geo-registered 3D feature maps. These maps enable a simple and fast global appearance based geo-registration of visually overlapping community videos and images. We evaluate our method on a large set of community drone videos. Our method produces drift free geo-data overlays at an average speed of 29,7 frames per second with an average positional error of 0,4m. In addition we release a large scale processed LiDAR dataset and geo-registered feature maps as an extension to the converging perspectives dataset. This data may provide visual links from ground based sensors to aerial imagery. Possible applications are numerous and include autonomous navigation, map updating/extension, image and video dehazing, object localisation or augmented reality.
Starting Page	1036
Ending Page	1043
File Size	1922778
Page Count	8
File Format	PDF
e-ISBN	9781467397117
DOI	10.1109/ICCVW.2015.136
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-12-07
Publisher Place	Chile
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Visualization Laser radar Three-dimensional displays Streaming media Cameras Feature extraction Rendering (computer graphics)
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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