From the 1 of 2 linked papers with an AI index.
2 papers
cs.LG2026
Measuring Distortion in the Empty Regions of Dimensionality Reduction Scatterplots with the Gap Index
Jaume Ros, Alessio Arleo, Fernando Paulovich
The paper proposes the Gap Index, a metric that measures how much empty regions in 2D dimensionality‑reduction scatterplots are distorted compared to the original high‑dimensional…
cs.LG2025
Mind the Gaps: Measuring Visual Artifacts in Dimensionality Reduction
Jaume Ros, Alessio Arleo, Fernando Paulovich
Dimensionality Reduction (DR) techniques are commonly used for the visual exploration and analysis of high-dimensional data due to their ability to project datasets of high-dimensi…