Search Results for author: Juan Miguel Lopez Alcaraz

Found 6 papers, 5 papers with code

CausalConceptTS: Causal Attributions for Time Series Classification using High Fidelity Diffusion Models

1 code implementation24 May 2024 Juan Miguel Lopez Alcaraz, Nils Strodthoff

Despite the excelling performance of machine learning models, understanding the decisions of machine learning models remains a long-standing goal.

Using explainable AI to investigate electrocardiogram changes during healthy aging -- from expert features to raw signals

1 code implementation11 Oct 2023 Gabriel Ott, Yannik Schaubelt, Juan Miguel Lopez Alcaraz, Wilhelm Haverkamp, Nils Strodthoff

In this paper we present the following contributions: (1) We employ a deep-learning model and a tree-based model to analyze ECG data from a robust dataset of healthy individuals across varying ages in both raw signals and ECG feature format.

Diffusion-based Conditional ECG Generation with Structured State Space Models

1 code implementation19 Jan 2023 Juan Miguel Lopez Alcaraz, Nils Strodthoff

Synthetic data generation is a promising solution to address privacy issues with the distribution of sensitive health data.

Synthetic Data Generation Time Series +1

Diffusion-based Time Series Imputation and Forecasting with Structured State Space Models

1 code implementation19 Aug 2022 Juan Miguel Lopez Alcaraz, Nils Strodthoff

The imputation of missing values represents a significant obstacle for many real-world data analysis pipelines.

Imputation Time Series +1

From Interpretable Filters to Predictions of Convolutional Neural Networks with Explainable Artificial Intelligence

no code implementations26 Jul 2022 Shagufta Henna, Juan Miguel Lopez Alcaraz

Explanation results obtained from the LIME, SmoothGrad, and Grad-CAM highlight important features of different spectrograms and their relevance to classification.

Classification Explainable artificial intelligence +1

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