Feature Space
Feature space, a vector representation of data, is central to machine learning, aiming to capture meaningful relationships between data points for improved model performance and interpretability. Current research focuses on optimizing feature space construction through techniques like optimal transport, autoencoders, and large language models, often incorporating multi-scale embeddings and attention mechanisms to enhance representation quality. These advancements are impacting various fields, improving the accuracy and efficiency of tasks ranging from image classification and anomaly detection to robot personalization and clinical decision-making. The development of robust and interpretable feature spaces is crucial for advancing machine learning's capabilities and trustworthiness across diverse applications.
Papers
BiometricBlender: Ultra-high dimensional, multi-class synthetic data generator to imitate biometric feature space
Marcell Stippinger, Dávid Hanák, Marcell T. Kurbucz, Gergely Hanczár, Olivér M. Törteli, Zoltán Somogyvári
Analysis of Self-Supervised Learning and Dimensionality Reduction Methods in Clustering-Based Active Learning for Speech Emotion Recognition
Einari Vaaras, Manu Airaksinen, Okko Räsänen