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引用次数: 1
摘要
本文描述了注视点高效视频编码(Foveated High Efficiency Video Coding, FHEVC)的设计和主观性能。尽管自20世纪90年代初以来，注视点已广泛用于各种形式的压缩，但我们相信它用于改善HEVC是新的。我们在这项工作中考虑了可能移动的注视点压缩的应用，并评估了在受限传输资源(例如带宽)下可用于提高视频感知质量的场景。提出了一种减少重映射过程中伪影的新方法。初步实现只考虑单个中央凹。实验总结了用户的评价，以验证我们的实现。
Foveated High Efficiency Video Coding for Low Bit Rate Transmission
This work describes the design and subjective performance of Foveated High Efficiency Video Coding (FHEVC). Even though foveation has been widely used for various forms of compression since the early 1990s, we believe its use to improve HEVC is new. We consider the application of, possibly moving, foveated compression in this work and evaluate scenarios where it can be used to improve perceptual quality of videos under constrained transmission resources, e.g., bandwidth. A new method to reduce artifacts during remapping is also proposed. The preliminary implementation considers a single fovea only. Experiments summarizing user evaluations are presented to validate our implementation.
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