NDLI: Video based 3D reconstruction using spatio-temporal attention analysis

Content Provider	IEEE Xplore Digital Library
Author	Xian Xiao Changsheng Xu Yong Rui
Copyright Year	2010
Description	Author affiliation: Microsoft China R&D Group, Beijing, 100080, China (Yong Rui) \|\| National Lab of Pattern Recognition, Institute of Automation, CAS, Beijing 100190, China (Xian Xiao; Changsheng Xu)
Abstract	3D reconstruction has been widely used in many important applications. While extensive research has been done in 3D reconstruction, several key issues are still open and the precision of the recovered regions is still far from satisfaction. In this paper, we propose a novel approach to selecting regions of interest in video frames by analyzing multiple spatio-temporal characteristics and reconstructing 3D objects based on the selected regions. Firstly, the static, location and motion attention are extracted from video frames to generate saliency maps. Then, all the video frames are clustered and a candidate set of key frames is extracted based on the saliency maps, where the key frames are extracted according to the constraints in terms of geometry and visibility. Finally, the 3D structure of the attention region is recovered using the selected key frames and the generated saliency maps. The experiments on real-world indoor and outdoor scenes demonstrate that the proposed approach is both more accurate (better attention regions) and computationally more efficient.
Starting Page	1091
Ending Page	1096
File Size	1175263
Page Count	6
File Format	PDF
ISBN	9781424474912
ISSN	1945788X
e-ISBN	9781424474936
DOI	10.1109/ICME.2010.5582982
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-19
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Three dimensional displays Visualization Cameras Humans Feature extraction Image reconstruction Computer vision 3D reconstruction Visual attention Video analysis Key frames selection
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
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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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