Search Results for author: Gergely Flamich

Found 6 papers, 3 papers with code

Estimating optimal PAC-Bayes bounds with Hamiltonian Monte Carlo

no code implementations30 Oct 2023 Szilvia Ujváry, Gergely Flamich, Vincent Fortuin, José Miguel Hernández Lobato

An important yet underexplored question in the PAC-Bayes literature is how much tightness we lose by restricting the posterior family to factorized Gaussian distributions when optimizing a PAC-Bayes bound.

RECOMBINER: Robust and Enhanced Compression with Bayesian Implicit Neural Representations

1 code implementation29 Sep 2023 Jiajun He, Gergely Flamich, Zongyu Guo, José Miguel Hernández-Lobato

COMpression with Bayesian Implicit NEural Representations (COMBINER) is a recent data compression method that addresses a key inefficiency of previous Implicit Neural Representation (INR)-based approaches: it avoids quantization and enables direct optimization of the rate-distortion performance.

Data Compression Quantization

Minimal Random Code Learning with Mean-KL Parameterization

no code implementations15 Jul 2023 Jihao Andreas Lin, Gergely Flamich, José Miguel Hernández-Lobato

To achieve the desired compression rate, $D_{\mathrm{KL}}[Q_{\mathbf{w}} \Vert P_{\mathbf{w}}]$ must be constrained, which requires a computationally expensive annealing procedure under the conventional mean-variance (Mean-Var) parameterization for $Q_{\mathbf{w}}$.

Compression with Bayesian Implicit Neural Representations

1 code implementation NeurIPS 2023 Zongyu Guo, Gergely Flamich, Jiajun He, Zhibo Chen, José Miguel Hernández-Lobato

Many common types of data can be represented as functions that map coordinates to signal values, such as pixel locations to RGB values in the case of an image.

Audio Compression Quantization

Compression without Quantization

no code implementations25 Sep 2019 Gergely Flamich, Marton Havasi, José Miguel Hernández-Lobato

Standard compression algorithms work by mapping an image to discrete code using an encoder from which the original image can be reconstructed through a decoder.

Image Compression Quantization

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