Incorporation of human knowledge into data embeddings to improve pattern significance and interpretability

J Li, C Zhou - IEEE Transactions on Visualization and …, 2022 - ieeexplore.ieee.org
Embedding is a common technique for analyzing multi-dimensional data. However, the
embedding projection cannot always form significant and interpretable visual structures that …

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 …

Facilitating machine learning model comparison and explanation through a radial visualisation

J Zhou, W Huang, F Chen - Energies, 2021 - mdpi.com
Building an effective Machine Learning (ML) model for a data set is a difficult task involving
various steps. One of the most important steps is to compare a substantial amount of …

[PDF][PDF] Scaling Up the Explanation of Multidimensional Projections.

J Thijssen, Z Tian, AC Telea - EuroVA@ EuroVis, 2023 - webspace.science.uu.nl
We present a set of interactive visual analysis techniques aiming at explaining data patterns
in multidimensional projections. Our novel techniques include a global value-based …

Contrastive analysis for scatterplot-based representations of dimensionality reduction

WE Marcílio-Jr, DM Eler, RE Garcia - Computers & Graphics, 2021 - Elsevier
Cluster interpretation after dimensionality reduction (DR) is a ubiquitous part of exploring
multidimensional datasets. DR results are frequently represented by scatterplots, where …

[HTML][HTML] Quantitative and qualitative comparison of 2D and 3D projection techniques for high-dimensional data

Z Tian, X Zhai, G van Steenpaal, L Yu, E Dimara… - Information, 2021 - mdpi.com
Projections are well-known techniques that help the visual exploration of high-dimensional
data by creating depictions thereof in a low-dimensional space. While projections that target …

Stability analysis of supervised decision boundary maps

AAAM Oliveira, M Espadoto, R Hirata Jr, AC Telea - SN Computer Science, 2023 - Springer
Understanding how a machine learning classifier works is an important task in machine
learning engineering. However, doing this is for any classifier in general difficult. We …

[PDF][PDF] Based Quality for Analyzing and Exploring 3D Multidimensional Projections.

W Castelein, Z Tian, T Mchedlidze… - VISIGRAPP (3: IVAPP), 2023 - scitepress.org
While 2D projections are established tools for exploring high-dimensional data, the
effectiveness of their 3D counterparts is still a matter of debate. In this work, we address this …

[PDF][PDF] Fundamental Limitations of Inverse Projections and Decision Maps.

Y Wang, AC Telea - VISIGRAPP (1): GRAPP, HUCAPP …, 2024 - webspace.science.uu.nl
Inverse projection techniques and decision maps are recent tools proposed to depict the
behavior of a classifier using 2D visualizations. However, which parts of the large, high …

[HTML][HTML] Interactive tools for explaining multidimensional projections for high-dimensional tabular data

J Thijssen, Z Tian, A Telea - Computers & Graphics, 2024 - Elsevier
We present a set of interactive visual analysis techniques aiming at explaining data patterns
in multidimensional projections. Our novel techniques include a global value-based …