Search Results for author: Thierry Dumas

Found 7 papers, 1 papers with code

Designs and Implementations in Neural Network-based Video Coding

no code implementations11 Sep 2023 Yue Li, Junru Li, Chaoyi Lin, Kai Zhang, Li Zhang, Franck Galpin, Thierry Dumas, Hongtao Wang, Muhammed Coban, Jacob Ström, Du Liu, Kenneth Andersson

The past decade has witnessed the huge success of deep learning in well-known artificial intelligence applications such as face recognition, autonomous driving, and large language model like ChatGPT.

Autonomous Driving Face Recognition +3

Revisiting the Sample Adaptive Offset post-filter of VVC with Neural-Networks

no code implementations11 Jul 2022 Philippe Bordes, Franck Galpin, Thierry Dumas, Pavel Nikitin

The Sample Adaptive Offset (SAO) filter has been introduced in HEVC to reduce general coding and banding artefacts in the reconstructed pictures, in complement to the De-Blocking Filter (DBF) which reduces artifacts at block boundaries specifically.

Blocking Video Compression

Combined neural network-based intra prediction and transform selection

no code implementations18 Aug 2021 Thierry Dumas, Franck Galpin, Philippe Bordes

The interactions between different tools added successively to a block-based video codec are critical to its rate-distortion efficiency.

Iterative training of neural networks for intra prediction

no code implementations15 Mar 2020 Thierry Dumas, Franck Galpin, Philippe Bordes

This paper presents an iterative training of neural networks for intra prediction in a block-based image and video codec.

Context-adaptive neural network based prediction for image compression

1 code implementation17 Jul 2018 Thierry Dumas, Aline Roumy, Christine Guillemot

Unlike the H. 265 intra prediction modes, which are each specialized in predicting a specific texture, the proposed PNNS can model a large set of complex textures.

Image Compression

Autoencoder based image compression: can the learning be quantization independent?

no code implementations23 Feb 2018 Thierry Dumas, Aline Roumy, Christine Guillemot

Usually, the rate-distortion performances of image compression are tuned by varying the quantization step size.

Image Compression Quantization

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