Search Results for author: Laurent Oudre

Found 8 papers, 6 papers with code

ASTRIDE: Adaptive Symbolization for Time Series Databases

1 code implementation8 Feb 2023 Sylvain W. Combettes, Charles Truong, Laurent Oudre

We introduce ASTRIDE (Adaptive Symbolization for Time seRIes DatabasEs), a novel symbolic representation of time series, along with its accelerated variant FASTRIDE (Fast ASTRIDE).

Change Point Detection Quantization +3

Extraction of Nystagmus Patterns from Eye-Tracker Data with Convolutional Sparse Coding

1 code implementation25 Nov 2020 Clément Lalanne, Maxence Rateaux, Laurent Oudre, Matthieu Robert, Thomas Moreau

The analysis of the Nystagmus waveforms from eye-tracking records is crucial for the clinicial interpretation of this pathological movement.

Dictionary Learning

Tensor Convolutional Sparse Coding with Low-Rank activations, an application to EEG analysis

1 code implementation6 Jul 2020 Pierre Humbert, Laurent Oudre, Nivolas Vayatis, Julien Audiffren

Recently, there has been growing interest in the analysis of spectrograms of ElectroEncephaloGram (EEG), particularly to study the neural correlates of (un)-consciousness during General Anesthesia (GA).

EEG

Multivariate Convolutional Sparse Coding with Low Rank Tensor

no code implementations9 Aug 2019 Pierre Humbert, Julien Audiffren, Laurent Oudre, Nicolas Vayatis

This paper introduces a new multivariate convolutional sparse coding based on tensor algebra with a general model enforcing both element-wise sparsity and low-rankness of the activations tensors.

regression

DICOD: Distributed Convolutional Coordinate Descent for Convolutional Sparse Coding

1 code implementation ICML 2018 Thomas Moreau, Laurent Oudre, Nicolas Vayatis

In this paper, we introduce DICOD, a convolutional sparse coding algorithm which builds shift invariant representations for long signals.

ruptures: change point detection in Python

1 code implementation2 Jan 2018 Charles Truong, Laurent Oudre, Nicolas Vayatis

ruptures is a Python library for offline change point detection.

Computation Mathematical Software

Selective review of offline change point detection methods

2 code implementations2 Jan 2018 Charles Truong, Laurent Oudre, Nicolas Vayatis

This article presents a selective survey of algorithms for the offline detection of multiple change points in multivariate time series.

Computational Engineering, Finance, and Science Methodology

DICOD: Distributed Convolutional Sparse Coding

no code implementations29 May 2017 Thomas Moreau, Laurent Oudre, Nicolas Vayatis

In this paper, we introduce DICOD, a convolutional sparse coding algorithm which builds shift invariant representations for long signals.

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