NDLI: Perceptual tagging of video files in P2P networks

Content Provider	IEEE Xplore Digital Library
Author	Koz, A. Lagendijk, R.L.
Copyright Year	2010
Description	Author affiliation: Multimedia Signal Processing Group, Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, The Netherlands (Koz, A.; Lagendijk, R.L.)
Abstract	Identification of a video file in current peer-to-peer (P2P) networks is achieved by its tag or by a (100–200 bits) cryptographic hash of the entire file. However, these approaches fail when the tag is changed or some small insertions, deletions or format changes are applied to the video by a user in the network. A complementary approach is to tag a video with a few hundreds of bits of information, which we call perceptual tags, extracted from perceptual features of the content robust to typical processing. In this paper, we first give the basic requirements for the extraction and distribution of these perceptual tags in a P2P network considering the characteristics of the peers (ordinary internet users), such as low computational power and low bandwidth. Then, we propose a novel method that extracts N (64–256) bits of robust perceptual tags for a video file by using only the mean of video frames. The proposed method also achieves the uniform distribution of perceptual tags among the peers needed for the state of the art DHT-based indexing implementations in P2P networks.
Starting Page	193
Ending Page	196
File Size	124370
Page Count	4
File Format	PDF
ISBN	9781424479924
ISSN	15224880
e-ISBN	9781424479948
e-ISBN	9781424479931
DOI	10.1109/ICIP.2010.5651094
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-26
Publisher Place	Hong Kong
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Peer to peer computing Synchronization Histograms Robustness Feature extraction Indexing Tagging DHT Peer to Peer Perceptual Tags Content Search Access Right Management Video Identification
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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