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3D Shape Histograms for Similarity Search and Classification in Spatial Databases. Mihael Ankerst,Ga... - page 38 / 44

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Reduction in Dimensionality of Quadratic Forms

Objects in high dimensional spaces are managed by reducing their dimensionality

Typically this is done by Principal Component Analysis, Discrete Fourier transform, Similarity Matrix decomposition, Feature Subselection etc.

These approaches can also be used in case of Quadratic Form Distance

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