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4篇 您的检索式：作者名="Christopher Polity"

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		题名	作者	年代	出处	被引量
	1	Joined-up Government:A Survey显示文摘	Christopher Polity	2003	Political Studies Review2003，，1：	1
	2	Recanalization after endovascular treatment of intracerebral aneurysms显示文摘	Iris Q. Grunwald Panagiotis Papanagiotou Tobias Struffert Maria Politi Christoph Krick G?kmen Gül Wolfgang Reith	2007	Neuroradiology2007，，1：	1
	3	Influence of carotid artery stenting on cognitive function显示文摘	Iris Quasar Grunwald Panagiotis Papanagiotou Wolfgang Reith Martin Backens Tilman Supprian Maria Politi Verena Vedder K. Zercher B. Muscalla Anton Haass Christoph M. Krick	2010	Neuroradiology2010，，1：	1
	4	Suitability of VVC and HEVC for Video Telehealth Systems显示文摘Video compression in medical video streaming is one of the key technologies associated with mobile healthcare.Seamless delivery of medical video streams over a resource constrained network emphasizes the need of a video codec that requires minimum bitrates and maintains high perceptual quality.This paper presents a comparative study between High Efciency Video Coding(HEVC)and its potential successor Versatile Video Coding(VVC)in the context of healthcare.A large-scale subjective experiment comprising of twenty-four non-expert participants is presented for eight different test conditions in Full High Denition(FHD)videos.The presented analysis highlights the impact of compression artefacts on the perceptual quality of HEVC and VVC processed videos.Our results and ndings show that VVC clearly outperforms HEVC in terms of achieving higher compression,while maintaining high quality in FHD videos.VVC requires upto 40%less bitrate for encoding an FHD video at excellent perceptual quality.We have provided rate-quality curves for both encoders and a degree of overlap across both codecs in terms of perceptual quality.Overall,there is a 71%degree of overlap in terms of quality between VVC and HEVC compressed videos for eight different test conditions.	Muhammad Arslan Usman Muhammad Rehan Usman Rizwan Ali Naqvi Bernie Mcphilips Christopher Romeika Daniel Cunliffe Christos Politis Nada Philip	2021	Computers, Materials & Continua2021，，4：	0

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