NDLI: Cross-dimensional quality assessment for low bitrate video

Content Provider	IEEE Xplore Digital Library
Author	Guangtao Zhai Weisi Lin Jianfei Cai Xiaokang Yang Wenjun Zhang Etoh, M.
Copyright Year	2008
Description	Author affiliation: Inst. of Image Commun. & Inf. Process., Shanghai Jiao Tong Univ., Shanghai (Guangtao Zhai)
Abstract	In this paper, we address the problem of evaluating perceptual visual quality of compressed video under different settings for mobile communication. A 5-dimensional video feature space is constructed with the codec type, video content, frame size, frame rate and bitrate. The video quality assessment is formulated as a transformation between the multidimensional feature space and the quality space. Subject viewing tests for videos coded with H.263 and H.264 at different bitrates and spatial/temporal resolutions are performed. Based on statistical analysis, we find that the perceptual quality of the decoded video is affected by the encoder type, video content, bitrate, frame rate and frame size, in a descending order for significance. The methodology and findings in this paper designate new researching direction in video quality assessment and can be extended to other applications.
Starting Page	400
Ending Page	403
File Size	166649
Page Count	4
File Format	PDF
ISBN	9781424416837
DOI	10.1109/ISCAS.2008.4541439
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quality assessment Bit rate Video compression Mobile communication Codecs Multidimensional systems Testing Spatial resolution Performance evaluation Statistical analysis quality of service video quality assessment wireless video streaming
Content Type	Text
Resource Type	Article

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