中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Visual quality assessment for web videos

文献类型:期刊论文

作者Xia, Tian2; Mei, Tao1; Hua, Gang3; Zhang, Yong-Dong2; Hua, Xian-Sheng
刊名JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION
出版日期2010-11-01
卷号21期号:8页码:826-837
关键词Visual quality assessment Web video Non-reference Domain specific
ISSN号1047-3203
DOI10.1016/j.jvcir.2010.06.005
英文摘要The advent of video-sharing sites such as YouTube has led to an unprecedented Internet delivery of community-contributed video content. However, most of these videos are not quality-controlled. This paper reports a first attempt towards assessing web videos in terms of visual quality with significant tests on 30k web videos. We regard the quality assessment as a two-class classification problem: features motivated from domain knowledge are extracted to be the visual representation while the overall quality is the two-class label. Observing that web videos are characterized by a much higher diversity of content, genres, capture devices, and skills than any other traditional video program, we propose to combine two types of domain knowledge to predict the perceived quality score. One of the domain knowledge types is the spatiotemporal factors affecting the overall perceived quality of web videos, including four spatial factors and two temporal factors. We study the effectiveness of various spatiotemporal factors and propose some novel spatial factors pertaining the characteristics of web videos. The other is the video editing style, including shot editing style, frame size, and black side ratio. Comprehensive experiments and evaluations over 30k web videos which add up to 1200 h in total demonstrated the effectiveness of the proposed approach. We show some preliminary results for application to filtering and re-ranking of retrieved web videos. (c) 2010 Elsevier Inc. All rights reserved.
WOS研究方向Computer Science
语种英语
WOS记录号WOS:000283827500007
出版者ACADEMIC PRESS INC ELSEVIER SCIENCE
源URL[http://119.78.100.204/handle/2XEOYT63/12468]  
专题中国科学院计算技术研究所期刊论文_英文
通讯作者Xia, Tian
作者单位1.Microsoft Res Asia, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Adv Comp Res Lab, Inst Comp Technol, Beijing 100190, Peoples R China
3.IBM Res Corp, TJ Watson Ctr, Armonk, NY USA
推荐引用方式
GB/T 7714
Xia, Tian,Mei, Tao,Hua, Gang,et al. Visual quality assessment for web videos[J]. JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION,2010,21(8):826-837.
APA Xia, Tian,Mei, Tao,Hua, Gang,Zhang, Yong-Dong,&Hua, Xian-Sheng.(2010).Visual quality assessment for web videos.JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION,21(8),826-837.
MLA Xia, Tian,et al."Visual quality assessment for web videos".JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION 21.8(2010):826-837.

入库方式: OAI收割

来源:计算技术研究所

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