Search Results for author: Thach Le Nguyen

Found 11 papers, 10 papers with code

Evaluating Explanation Methods for Multivariate Time Series Classification

1 code implementation29 Aug 2023 Davide Italo Serramazza, Thu Trang Nguyen, Thach Le Nguyen, Georgiana Ifrim

In many applications classification alone is not enough, we often need to classify but also understand what the model learns (e. g., why was a prediction given, based on what information in the data).

Classification Time Series +2

Back to Basics: A Sanity Check on Modern Time Series Classification Algorithms

1 code implementation15 Aug 2023 Bhaskar Dhariyal, Thach Le Nguyen, Georgiana Ifrim

The state-of-the-art in time series classification has come a long way, from the 1NN-DTW algorithm to the ROCKET family of classifiers.

Time Series Time Series Classification

Robust Framework for Explanation Evaluation in Time Series Classification

1 code implementation8 Jun 2023 Thu Trang Nguyen, Thach Le Nguyen, Georgiana Ifrim

This paper provides a framework to quantitatively evaluate and rank explanation methods for time series classification.

Classification Human Activity Recognition +5

Scalable Classifier-Agnostic Channel Selection for Multivariate Time Series Classification

1 code implementation18 Jun 2022 Bhaskar Dhariyal, Thach Le Nguyen, Georgiana Ifrim

Channel selection is applied as a pre-processing step before training state-of-the-art MTSC algorithms and saves about 70\% of computation time and data storage, with preserved accuracy.

Time Series Time Series Analysis +1

MrSQM: Fast Time Series Classification with Symbolic Representations

1 code implementation2 Sep 2021 Thach Le Nguyen, Georgiana Ifrim

The key idea is to transform numerical time series to symbolic representations in the time or frequency domain, i. e., sequences of symbols, and then extract features from these sequences.

Classification feature selection +3

Mid infrared spectroscopy and milk quality traits: a data analysis competition at the "International Workshop on Spectroscopy and Chemometrics 2021"

1 code implementation5 Jul 2021 Maria Frizzarin, Antonio Bevilacqua, Bhaskar Dhariyal, Katarina Domijan, Federico Ferraccioli, Elena Hayes, Georgiana Ifrim, Agnieszka Konkolewska, Thach Le Nguyen, Uche Mbaka, Giovanna Ranzato, Ashish Singh, Marco Stefanucci, Alessandro Casa

A chemometric data analysis challenge has been arranged during the first edition of the "International Workshop on Spectroscopy and Chemometrics", organized by the Vistamilk SFI Research Centre and held online in April 2021.

Interpretable Time Series Classification using All-Subsequence Learning and Symbolic Representations in Time and Frequency Domains

1 code implementation12 Aug 2018 Thach Le Nguyen, Severin Gsponer, Iulia Ilie, Georgiana Ifrim

In this work we analyse the state-of-the-art for time series classification, and propose new algorithms that aim to maintain the classifier accuracy and efficiency, but keep interpretability as a key design constraint.

Classification feature selection +4

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