Huyen T. T. Tran, Trang H. Hoang, Phu N. Minh, N. P. Ngoc, T. Thang
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A Perception-based Quality Metric for Omnidirectional Images
A key component in VR systems is omnidirectional content, which provides 360-degree views of scenes. At a given time, only a portion of a content, called viewport, is displayed using head-mounted displays. In this work, we develop an objective quality metric, called Weighted Viewport PSNR (W-VPSNR), for omnidirectional content of spatially-varying quality. Through experiment results, it is found that the W-VPSNR metric well correlates with the subjective quality scores.
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