NDLI: In-Loop Noise-Filtered Prediction for High Efficiency Video Coding

Content Provider	IEEE Xplore Digital Library
Author	Wige, E. Yammine, G. Amon, P. Hutter, A. Kaup, A.
Copyright Year	1991
Abstract	In this paper, we focus on optimization and enhancement of High Efficiency Video Coding (HEVC) with respect to professional applications. In most of the professional video applications, noise dominates the compression performance. We therefore theoretically and practically analyze the denoising performance of an HEVC codec and show that, especially for low to medium quantization parameters (QPs), the source noise is still present in the reconstructed frame. This motivates us to use an explicit in-loop reference frame denoising filter for this quality range. We show how the noise, which badly influences the prediction, can be modeled and estimated. Two approaches are introduced, in which either the noise is calculated from prior knowledge or estimated automatically without prior knowledge. A denoising filter that exploits the HEVC core transform is introduced. Finally, a coding mode adaptive scheme for motion compensation using the noise-filtered reference frame is described. The compression results show that especially for low to medium QP settings as well as lossless compression considerable bitrate savings can be achieved using the proposed schemes.
Sponsorship	IEEE Circuits and Systems Society
Starting Page	1142
Ending Page	1155
Page Count	14
File Size	2287491
File Format	PDF
ISSN	10518215
Volume Number	24
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Noise Quantization (signal) Noise reduction Transforms Standards Noise measurement Video coding inter-frame prediction Denoising High Efficiency Video Coding (HEVC) high-fidelity compression in-loop filtering
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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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
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