NDLI: Perceptually based video rate control using pre-filtering and predicted rate-distortion characteristics

Content Provider	IEEE Xplore Digital Library
Author	Liang-Jin Lin Ortega, A.
Copyright Year	1997
Description	Author affiliation: Div. of Res. & Dev., Ulead Syst. Inc., Torrance, CA, USA (Liang-Jin Lin)
Abstract	In digital video coding, the rate control scheme is essential to regulate the output data rate and maintain the output quality. The control scheme defined in MPEG Test Model 5 provides a solution with very light computational overhead, but the results are not guaranteed to be good for all video sources and channel rates without resorting to a manual "tweaking" of the control parameters, with many trial-and-error encoding tests. In this paper, we propose a rate-distortion based control scheme where we use pre-filtering and block classification to achieve higher quality at low rates. In particular, we show how to efficiently include the pre-filtering parameters as part of the rate control optimization process. Our coded sequences are compatible with standard MPEG decoders and our method is suitable for channel rates lower than those normally used for MPEG-1 sequences (around 1 Mbps), but which may be more appropriate for Internet applications. In addition, our algorithm is generic and can be readily be extended for H.263/MPEG-4 encoders. Our results show significant reductions of the blockiness usually encountered at low rates, when compared to schemes such as TM5.
Starting Page	57
Ending Page	60
File Size	461807
Page Count	4
File Format	PDF
ISBN	0818681837
DOI	10.1109/ICIP.1997.638672
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-10-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lighting control Testing Video coding Rate-distortion Process control Code standards Decoding Internet MPEG 4 Standard
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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