Search Results for author: Andrey Norkin

Found 5 papers, 2 papers with code

Efficient Per-Shot Convex Hull Prediction By Recurrent Learning

no code implementations10 Jun 2022 Somdyuti Paul, Andrey Norkin, Alan C. Bovik

Adaptive video streaming relies on the construction of efficient bitrate ladders to deliver the best possible visual quality to viewers under bandwidth constraints.

Transfer Learning

Perceptually Optimizing Deep Image Compression

no code implementations3 Jul 2020 Li-Heng Chen, Christos G. Bampis, Zhi Li, Andrey Norkin, Alan C. Bovik

Mean squared error (MSE) and $\ell_p$ norms have largely dominated the measurement of loss in neural networks due to their simplicity and analytical properties.

Image Compression

ProxIQA: A Proxy Approach to Perceptual Optimization of Learned Image Compression

1 code implementation19 Oct 2019 Li-Heng Chen, Christos G. Bampis, Zhi Li, Andrey Norkin, Alan C. Bovik

By building on top of an existing deep image compression model, we are able to demonstrate a bitrate reduction of as much as $31\%$ over MSE optimization, given a specified perceptual quality (VMAF) level.

Image Compression

Speeding up VP9 Intra Encoder with Hierarchical Deep Learning Based Partition Prediction

1 code implementation15 Jun 2019 Somdyuti Paul, Andrey Norkin, Alan C. Bovik

In VP9 video codec, the sizes of blocks are decided during encoding by recursively partitioning 64$\times$64 superblocks using rate-distortion optimization (RDO).

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