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cs.LG2026
Measuring Distortion in the Empty Regions of Dimensionality Reduction Scatterplots with the Gap Index
Jaume Ros, Alessio Arleo, Fernando Paulovich
Quality metrics play a crucial role in the proper use of dimensionality reduction projections for visual analysis of high-dimensional data. They quantify the degree of distortion o…
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…