NDLI: Perceptual video coding: Challenges and approaches

Content Provider	IEEE Xplore Digital Library
Author	Zhenzhong Chen Weisi Lin King Ngi Ngan
Copyright Year	2010
Description	Author affiliation: School of Computer Engineering, Nanyang Technological University (Weisi Lin) \|\| Department of Electronic Engineering, Chinese University of Hong Kong (King Ngi Ngan) \|\| School of Electrical and Electronic Engineering, Nanyang Technological University (Zhenzhong Chen)
Abstract	Investigation on the human perception can play an important role in video signal processing. Recently, there has been great interest in incorporating the human perception in video coding systems to enhance the perceptual quality of the represented visual signal. However, the limited understanding of the human visual system and high complexity of computational models of human visual system make it a challenging task. Furthermore, the hybrid video coding structure brings difficulties to integrate computational models with coding components to fulfill the requirements. In this paper, we review the physiological characteristics of human perception and address the most relevant aspects to video coding applications. Moreover, we discuss the computational models and metrics which guide the design and implementation of the video coding system, as well as the recent advances in perceptual video coding. To introduce this overview with the latest technologies and most promising directions in perceptual video coding, we focus on three key areas. Specifically, we cover 1) visual attention and sensitivity modeling, with which we concentrate on the computational models of bottom-up and top-down attention, contrast sensitivity functions and masking effects, and fovea based manipulations; 2) perceptual quality optimization for constrained video coding, with which we discuss how to achieve maximum perceptual quality whilst satisfying various constraints; and 3) the impact of the human perception on advanced video applications, including emerging immersive multimedia services, and compression of high dynamic range video content and 3D video. For each aspect, we discuss the major challenges, highlight significant approaches, and outline future research directions.
Starting Page	784
Ending Page	789
File Size	634735
Page Count	6
File Format	PDF
ISBN	9781424474912
ISSN	1945788X
e-ISBN	9781424474936
DOI	10.1109/ICME.2010.5582549
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-19
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Video coding Visualization Humans Computational modeling Sensitivity Encoding Retina quality optimization Perceptual video coding human visual system visual perception
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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