Seeing is learning in high dimensions: The synergy between dimensionality reduction and machine learning

A Telea, A Machado, Y Wang - SN Computer Science, 2024 - Springer
High-dimensional data are a key study object for both machine learning (ML) and
information visualization. On the visualization side, dimensionality reduction (DR) methods …

Linking data separation, visual separation, and classifier performance using pseudo-labeling by contrastive learning

BC Benato, AX Falcão, AC Telea - arXiv preprint arXiv:2302.02663, 2023 - arxiv.org
Lacking supervised data is an issue while training deep neural networks (DNNs), mainly
when considering medical and biological data where supervision is expensive. Recently …

[PDF][PDF] Visual Exploration of Neural Network Projection Stability.

C Bredius, Z Tian, AC Telea, RN Mulawade, C Garth… - MLVis …, 2022 - diglib.eg.org
We present a method to visually assess the stability of deep learned projections. For this, we
perturb the high-dimensional data by controlled sequences and visualize the resulting …

[PDF][PDF] Evaluating Architectures and Hyperparameters of Self-supervised Network Projections.

T Cech, D Atzberger, W Scheibel, R Richter… - VISIGRAPP (3 …, 2023 - scitepress.org
Self-Supervised Network Projections (SSNP) are dimensionality reduction algorithms that
produce lowdimensional layouts from high-dimensional data. By combining an autoencoder …

[PDF][PDF] Beyond the Third Dimension: How Multidimensional Projections and Machine Learning Can Help Each Other.

AC Telea - VISIGRAPP, 2023 - scitepress.org
Dimensionality reduction (DR) methods, also called projections, are one of the techniques of
choice for visually exploring large high-dimensional datasets. In parallel, machine learning …

Stabilizing and Simplifying Sharpened Dimensionality Reduction Using Deep Learning

M Espadoto, Y Kim, SC Trager, JBTM Roerdink… - SN Computer …, 2023 - Springer
Dimensionality reduction (DR) methods create 2D scatterplots of high-dimensional data for
visual exploration. As such scatterplots are often used to reason about the cluster structure …

Linking Data Separation, Visual Separation, Classifier Performance Using Multidimensional Projections

BC Benato, AX Falcão, AC Telea - International Joint Conference on …, 2023 - Springer
Understanding how data separation (DS), visual separation (VS), and classifier performance
(CP) are related to each other is important for applications in both machine learning and …

[PDF][PDF] SDR aided Star, Galaxy and QSO Classification

M Lourens - 2023 - fse.studenttheses.ub.rug.nl
Source detection and taxonomy of celestial objects are key steps in any astronomical
analysis. Examples of this include the classification of stars based on their spectral …