NDLI: The use of steganography to enhance error detection and correction in MPEG-2 video

Content Provider	IEEE Xplore Digital Library
Author	Robie, D.L. Ning Wu Mersereau, R.M.
Copyright Year	2002
Description	Author affiliation: Center for Signal & Image Process., Georgia Inst. of Technol., Atlanta, GA, USA (Robie, D.L.; Ning Wu; Mersereau, R.M.)
Abstract	The transmission of data is always subject to corruption due to errors; however, video transmission, because of its real time nature, must often deal with these errors without retransmission of the corrupted data. Our MPEG-2 compliant codec uses data hiding principles to transmit parity checking information for the DCT coefficients and uses side information (as provided in the MPEG-2 standard) to enhance the recovery of lost differentially encoded values. This information allows for improved resynchronization by correctly resynchronizing at least 7 times as often, reducing the number of macroblocks in error by a factor of 2 and improving the PSNR of error regions by at least 8 dB (in I frames) while uncorrupted picture quality decreases by less than 0.5 dB PSNR. Our work also demonstrates the ability to recover lost differential motion vectors by transmitting final values.
Starting Page	1204
Ending Page	1209
File Size	449338
Page Count	6
File Format	PDF
ISBN	0780375769
ISSN	10586393
DOI	10.1109/ACSSC.2002.1196973
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Steganography Error correction Decoding Image coding Transform coding Redundancy Computer errors Discrete cosine transforms PSNR Video compression
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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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