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The difference between perceived video quality and objective video quality
Journal of Visualization, 2009We select 93 video sequences encoded/decoded by Microsoft MPEG-4 software to classify them into six different content characteristics by the cluster analysis and the discriminant analysis in this study. We compare the peak signal noise ratio (PSNR) of objective video quality evaluation with the mean opinion score of subjective quality evaluation to ...
Huey-Min Sun, Yan-Kai Huang
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Mining web videos for video quality assessment
2010 International Conference of Soft Computing and Pattern Recognition, 2010Correlating estimates of objective measures related to the presence of different coding artifacts with the quality of video as perceived by human observers is a non-trivial task. There is no shortage of data to learn from, thanks to the Internet and web-sites such as YouTubetm.
Dubravko Culibrk +3 more
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Comparison of Video Quality Metrics on Multimedia Videos
2006 International Conference on Image Processing, 2006The state-of-the-art objective video quality metrics reported in the literature have so far been focused on TV signals with large frame sizes, full TV frame rates, and high compressed bit rates. The aim of this paper is to present the performance of three widely-known objective video quality metrics but tested on multimedia videos with small frame ...
Mei Hwan Loke +4 more
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Video quality ruler: A new experimental methodology for assessing video quality
2015 Seventh International Workshop on Quality of Multimedia Experience (QoMEX), 2015In this paper, we propose a subjective video quality assessment method called video quality ruler (VQR) that can be employed to determine the perceived quality of video sequences. The described method is an extension of the ISO 20462, which is a method to assess image quality. The VQR method provides an interface with a set of pictures.
Pedro Garcia Freitas +3 more
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IN-service video quality monitoring
Proceedings of 2010 IEEE International Symposium on Circuits and Systems, 2010A video quality monitoring system for in-service monitoring of videos is described in this paper. The technologies developed include a no-reference method for blockiness measurement that exploits the characteristics of human visual system using the concept of just-noticeable-difference.
Ee Ping Ong, Shiqian Wu, Mei Hwan Loke
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Equitable Quality Video Streaming
2009 6th IEEE Consumer Communications and Networking Conference, 2009Video streaming has frequently been deployed using constant bit rate video encoding and transmission as these are easily implemented and network provisioning, although requiring admission control, is straightforward. However, it is sub-optimal for both the user, who experiences time varying quality, and the network operator, who can not fully utilize ...
Barry Crabtree +3 more
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Foveated video quality assessment
IEEE Transactions on Multimedia, 2002Most image and video compression algorithms that have been proposed to improve picture quality relative to compression efficiency have either been designed based on objective criteria such as signal-to-noise-ratio (SNR) or have been evaluated, post-design, against competing methods using an objective sample measure.
Sanghoon Lee 0001 +2 more
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A Video-Quality Driven Strategy in Short Video Streaming
Proceedings of the 24th International ACM Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems, 2021In recent years, fueled by the rapid advances in high-speed mobile networks, streaming short-form videos over mobile devices (e.g., TikTok) is ubiquitous among mobile users. Despite its widespread application, our investigation revealed that the video quality experienced by the viewers exhibits substantial fluctuations over different short video ...
Jing Guo, Guanghui Zhang
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Research on Video Quality Assessment
Journal of Multimedia, 2012Objective quality assessment plays a very important role in the video applications, as they promise the means to evaluate the performance of acquisition, display, coding and communication systems. Objective video quality assessment still has a long way to go before it reaches the level of success. Perception video sequences quality metrics are of great
Chunting Yang, Yang Liu 0025, Jing Yu
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Multiview video quality enhancement
Journal of Electronic Imaging, 2016Realistic visualization is crucial for a more intuitive representation of complex data, medical imaging, simulation, and entertainment systems. In this respect, multiview autostereoscopic displays are a great step toward achieving the complete immersive user experience, although providing high-quality content for these types of displays is still a ...
Ljubomir Jovanov +2 more
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