HUMAP: Hierarchical Uniform Manifold Approximation and Projection

Dimensionality reduction (DR) techniques help analysts to understand patterns in high-dimensional spaces. These techniques, often represented by scatter plots, are employed in diverse science domains and facilitate similarity analysis among clusters and data samples. For datasets containing many gra...

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Detalles Bibliográficos
Autores: Marcilio-Jr, Wilson E. [UNESP], Eler, Danilo M. [UNESP], Paulovich, Fernando V., Martins, Rafael M.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:Brasil
Institución:Universidade Estadual Paulista (UNESP)
Repositorio:Repositório Institucional da UNESP
Idioma:inglés
OAI Identifier:oai:repositorio.unesp.br:11449/305357
Acceso en línea:http://dx.doi.org/10.1109/TVCG.2024.3471181
https://hdl.handle.net/11449/305357
Access Level:acceso abierto
Palabra clave:Dimensionality Reduction
Hierarchical Exploration
Manifold Learning
Descripción
Sumario:Dimensionality reduction (DR) techniques help analysts to understand patterns in high-dimensional spaces. These techniques, often represented by scatter plots, are employed in diverse science domains and facilitate similarity analysis among clusters and data samples. For datasets containing many granularities or when analysis follows the information visualization mantra, hierarchical DR techniques are the most suitable approach since they present major structures beforehand and details on demand. This work presents HUMAP, a novel hierarchical dimensionality reduction technique designed to be flexible on preserving local and global structures and preserve the mental map throughout hierarchical exploration. We provide empirical evidence of our technique's superiority compared with current hierarchical approaches and show a case study applying HUMAP for dataset labelling.