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- W4310258746 endingPage "37" @default.
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- W4310258746 abstract "To provide users with more realistic visual experiences, videos are developing in the trends of Ultra High Definition (UHD), High Frame Rate (HFR), High Dynamic Range (HDR), Wide Color Gammut (WCG), and high clarity. However, the data amount of videos increases exponentially, which requires high efficiency video compression for storage and network transmission. Perceptually optimized video coding aims to maximize compression efficiency by exploiting visual redundancies. In this article, we present a broad and systematic survey on perceptually optimized video coding. Firstly, we present problem formulation and framework of the perceptually optimized video coding, which includes visual perception modeling, visual quality assessment, and perceptual video coding optimization. Secondly, recent advances on visual factors, computational perceptual models, and quality assessment models are presented. Thirdly, we review perceptual video coding optimizations from four key aspects, including perceptually optimized bit allocation, rate-distortion optimization, transform and quantization, and filtering and enhancement. In each part, problem formulation, working flow, recent advances, advantages, and challenges are presented. Fourthly, perceptual coding performances of the latest coding standards and tools are experimentally analyzed. Finally, challenging issues and future opportunities are identified." @default.
- W4310258746 created "2022-11-30" @default.
- W4310258746 creator A5008386708 @default.
- W4310258746 creator A5023874610 @default.
- W4310258746 creator A5024748649 @default.
- W4310258746 creator A5068769178 @default.
- W4310258746 creator A5069758852 @default.
- W4310258746 date "2023-03-02" @default.
- W4310258746 modified "2023-09-25" @default.
- W4310258746 title "A Survey on Perceptually Optimized Video Coding" @default.
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