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Rate control for non-uniform video in HEVC
Tong, Tang1; Ling, Li2; Ling Li
Source PublicationJOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION
2017-10-01
Volume48Issue:CPages:254-267
SubtypeArticle
AbstractRate control plays an important role in video coding, and most of the existing rate control schemes are based on the assumption that the video contents are uniform. However, for non-uniform video applications, such as screen content videos and movies, previous rate control schemes may cause severe quality degradation, since the bit allocation strategy is improper and the rate-quantization (R-Q) model parameters may extremely inaccurate. In this paper, firstly an adaptive bit allocation algorithm is proposed for the newest video coding standard high efficiency video coding (HEVC), next a key frame detection method is presented, and finally an accurate intra R-Q model, a model parameter adjusting strategy and a bit feedback strategy are developed for the scene change frame. Experimental results show that the proposed rate control method could achieve more accurate bitrates and better rate-distortion (R-D) performance than previous rate control methods. (C) 2017 Elsevier Inc. All rights reserved.
KeywordRate Control Hevc R-q Bit Allocation
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.jvcir.2017.06.014
WOS KeywordRATE CONTROL ALGORITHM ; BIT ALLOCATION ; QUANTIZATION MODEL ; DISTORTION MODELS ; H.264/AVC ; STANDARD ; TEXTURE ; DELAY
Indexed BySCI
Language英语
Funding OrganizationStrategic Priority Research Program of Chinese Academy of Sciences(XDA06010402) ; National Key Technology Support Program(Y4M1011GK1) ; NSF of China(61672491)
WOS Research AreaComputer Science
WOS SubjectComputer Science, Information Systems ; Computer Science, Software Engineering
WOS IDWOS:000408180700020
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/15387
Collection国家专用集成电路设计工程技术研究中心
Corresponding AuthorLing Li
Affiliation1.Univ Sci & Technol China, Inst Informat Sci & Technol, Hefei, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Automat, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Tong, Tang,Ling, Li,Ling Li. Rate control for non-uniform video in HEVC[J]. JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION,2017,48(C):254-267.
APA Tong, Tang,Ling, Li,&Ling Li.(2017).Rate control for non-uniform video in HEVC.JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION,48(C),254-267.
MLA Tong, Tang,et al."Rate control for non-uniform video in HEVC".JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION 48.C(2017):254-267.
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