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Subjective Assessment of High Dynamic Range Videos Under Different Ambient Conditions
Zaixi Shang, Joshua P. Ebenezer, Alan C. Bovik +3
High Dynamic Range (HDR) videos can represent a much greater range of brightness and color than Standard Dynamic Range (SDR) videos and are rapidly becoming an industry standard. H…
Telepresence Video Quality Assessment
Zhenqiang Ying, Deepti Ghadiyaram, Alan Bovik
Video conferencing, which includes both video and audio content, has contributed to dramatic increases in Internet traffic, as the COVID-19 pandemic forced millions of people to wo…
CONVIQT: Contrastive Video Quality Estimator
Pavan C. Madhusudana, Neil Birkbeck, Yilin Wang +2
Perceptual video quality assessment (VQA) is an integral component of many streaming and video sharing platforms. Here we consider the problem of learning perceptually relevant vid…
Convex Hull Prediction for Adaptive Video Streaming by Recurrent Learning
Somdyuti Paul, Andrey Norkin, Alan C. Bovik
Adaptive video streaming relies on the construction of efficient bitrate ladders to deliver the best possible visual quality to viewers under bandwidth constraints. The traditional…
Making Video Quality Assessment Models Sensitive to Frame Rate Distortions
Pavan C. Madhusudana, Neil Birkbeck, Yilin Wang +2
We consider the problem of capturing distortions arising from changes in frame rate as part of Video Quality Assessment (VQA). Variable frame rate (VFR) videos have become much mor…
Pik-Fix: Restoring and Colorizing Old Photos
Runsheng Xu, Zhengzhong Tu, Yuanqi Du +6
Restoring and inpainting the visual memories that are present, but often impaired, in old photos remains an intriguing but unsolved research topic. Decades-old photos often suffer…