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20212026
most citedAnalysis of Self-Supervised Learning and Dimensionality Reduction Methods in Clustering-Based Active Learning for Speech Emotion Recognition

11 citations · 21 across the 8 of their papers we have counts for

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cs.LG2026

Evaluating Interactive 2D Visualization as a Sample Selection Strategy for Biomedical Time-Series Data Annotation

Einari Vaaras, Manu Airaksinen, Okko Räsänen

Reliable machine-learning models in biomedical settings depend on accurate labels, yet annotating biomedical time-series data remains challenging. Algorithmic sample selection may…

cs.LG2025★ 1 cited

Feature Space Topology Control via Hopkins Loss

Einari Vaaras, Manu Airaksinen

Feature space topology refers to the organization of samples within the feature space. Modifying this topology can be beneficial in machine learning applications, including dimensi…

cs.LG2024★ 6 cited

PFML: Self-Supervised Learning of Time-Series Data Without Representation Collapse

Einari Vaaras, Manu Airaksinen, Okko Räsänen

Self-supervised learning (SSL) is a data-driven learning approach that utilizes the innate structure of the data to guide the learning process. In contrast to supervised learning,…

cs.LG2023★ 3 cited

Evaluation of self-supervised pre-training for automatic infant movement classification using wearable movement sensors

Einari Vaaras, Manu Airaksinen, Sampsa Vanhatalo +1

The recently-developed infant wearable MAIJU provides a means to automatically evaluate infants' motor performance in an objective and scalable manner in out-of-hospital settings.…

cs.LG2022★ 11 cited

Analysis of Self-Supervised Learning and Dimensionality Reduction Methods in Clustering-Based Active Learning for Speech Emotion Recognition

Einari Vaaras, Manu Airaksinen, Okko Räsänen

When domain experts are needed to perform data annotation for complex machine-learning tasks, reducing annotation effort is crucial in order to cut down time and expenses. For case…