Dynamic Viewport Selection-Based Prioritized Bitrate Adaptation for Tile-Based 360° Video Streaming
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DOI: 10.1109/access.2022.3157339
Abstract: Interactive 360° remote video applications have seen booming advancements due to the proliferation of smart display devices that enable a truly immersive experience. Compared to regular monoscopic videos, 360° videos have different requirements related to… read more here.
Keywords: viewport selection; 360 video; dynamic viewport; quality ... See more keywords
Viewport History as a Heuristic for Quality Enhancement and Quality Variation Control in Viewport-Aware Tile-Based 360-Degree Video Streaming
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DOI: 10.1109/access.2022.3204331
Abstract: Despite the growing popularity of Virtual Reality (VR), 360-degree videos are often regarded as challenging to stream due to their large bandwidth requirement. As a solution, the 360-degree video content is spatially divided into tiles,… read more here.
Keywords: tile; quality; viewport history; viewport ... See more keywords
Viewport-Dependent Delivery for Conversational Immersive Video
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DOI: 10.1109/access.2022.3225231
Abstract: Real-time immersive video has been an area of interest for the research and standardization community over the past few years. It has gained particular importance in the era of 5G services. 3GPP (Third Generation Partnership… read more here.
Keywords: dependent delivery; immersive video; viewport dependent; viewport ... See more keywords
Modeling the Perceptual Quality of Viewport Adaptive Omnidirectional Video Streaming
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DOI: 10.1109/tcsvt.2019.2934136
Abstract: Instead of streaming the entire OmniDirectional Videos (ODVs) that are often sampled at ultra high definition and high frame rate, a viewport adaptive streaming is preferred in practice. We usually stream the High-Quality (HQ) content… read more here.
Keywords: tex math; inline formula; viewport; quality ... See more keywords
Viewport-Based Omnidirectional Video Quality Assessment: Database, Modeling and Inference
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DOI: 10.1109/tcsvt.2021.3057368
Abstract: This article first provides a new Viewport-based OmniDirectional Video Quality Assessment (VOD-VQA) database, which includes eighteen salient viewport videos extracted from the original OmniDirectional Videos (ODVs), and corresponding 774 impaired samples generated by compressing the… read more here.
Keywords: inline formula; viewport; tex math;
Viewport-Dependent Saliency Prediction in 360° Video
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DOI: 10.1109/tmm.2020.2987682
Abstract: Saliency prediction in traditional images and videos has drawn extensive research interests in recent years. Few works have been proposed for saliency prediction over 360° videos. They focus on directly predicting fixations over the whole… read more here.
Keywords: 360 video; viewport; saliency prediction; saliency ... See more keywords