NDLI: Skeleton-Based Compression of 3-D Tele-Immersion Data

Content Provider	IEEE Xplore Digital Library
Author	Lien, Jyh-Ming Bajcsy, Ruzena
Copyright Year	2007
Description	Author affiliation: University of California, Berkeley, CA, USA, 94720, bajcsy@eecs.berkeley.edu (Bajcsy, Ruzena) \|\| George Mason University, Fairfax, VA, 20120, jmlien@gmu.edu (Lien, Jyh-Ming)
Abstract	Due to technology advances, reconstructing three-dimensional representations of physical environments in real time using cheap and non-professional cameras and PCs becomes possible. These advances will make 3-D tele-immersive environments available for everyone in the near future. However, the amount of data captured, by a Tele-Immersion (TI) system can be very large. Compression is needed to ensure real-time transmission of the data. Due to this real-time requirement, compressing TI data can be a challenging task and no current techniques can effectively address this issue. In this paper, we propose a skeleton-based compression. The main idea of this approach is to take advantage of prior knowledge of objects, e.g., human figures, in the physical environments and to represent their motions using just a few parameters. The proposed compression method provides tunable and high compression ratios (from 50:1 to 5000:1) with reasonable reconstruction quality, Moreover, the proposed method can estimate motions from the noisy data captured by our TI system in real time.
Starting Page	347
Ending Page	354
File Size	7684238
Page Count	8
File Format	PDF
ISBN	9781424413539
DOI	10.1109/ICDSC.2007.4357543
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-25
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Space technology Motion estimation Working environment noise Humans Bandwidth Cameras Personal communication networks Image reconstruction Signal to noise ratio
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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