no code implementations • 11 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.
no code implementations • 11 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.
no code implementations • 26 Jan 2022 • Franck Galpin, Philippe Bordes, Thierry Dumas, Pavel Nikitin, Fabrice Le Leannec
This paper presents a learning-based method to improve bi-prediction in video coding.
no code implementations • 18 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.
no code implementations • 15 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.
1 code implementation • 17 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.
no code implementations • 23 Feb 2018 • Thierry Dumas, Aline Roumy, Christine Guillemot
Usually, the rate-distortion performances of image compression are tuned by varying the quantization step size.