ViSTRA2: Video Coding using Spatial Resolution and Effective Bit Depth Adaptation

7 Nov 2019Fan ZhangMariana AfonsoDavid R. Bull

We present a new video compression framework (ViSTRA2) which exploits adaptation of spatial resolution and effective bit depth, down-sampling these parameters at the encoder based on perceptual criteria, and up-sampling at the decoder using a deep convolution neural network. ViSTRA2 has been integrated with the reference software of both the HEVC (HM 16.20) and VVC (VTM 4.01), and evaluated under the Joint Video Exploration Team Common Test Conditions using the Random Access configuration... (read more)

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