Dimensionality reduction and visualisation of hyperspectral ink data using t-SNE

•The t-SNE algorithm is introduced into forensic ink data analysis.•Created hyperspectra database of inks from 60 pens, from different manufactures, type and colour.•Compared the clustering quality of t-SNE against PCA on hyperspectral ink data.•Clustering quality compared using four different clust...

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Bibliographic Details
Published in:	Forensic science international Vol. 311; p. 110194
Main Authors:	Melit Devassy, Binu, George, Sony
Format:	Journal Article
Language:	English
Published:	Ireland Elsevier B.V 01.06.2020 Elsevier Limited
Subjects:	Algorithms Cameras Clustering Cultural heritage Data processing Datasets Dimensionality reduction Discriminant analysis Embedding Feature extraction Forensic science Forensic sciences hyperspectral imagery Hyperspectral imaging information processing Ink analysis Narrowband Principal components analysis Probability quantitative analysis Reduction Software Spectrum analysis t-SNE Visualisation Visualization Dimensionality reduction Visualisation t-SNE Ink analysis Hyperspectral imaging
ISSN:	0379-0738, 1872-6283, 1872-6283
Online Access:	Get full text
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