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3D Shape Histograms for Similarity Search and Classification in Spatial Databases. Mihael Ankerst,Ga... - page 24 / 44

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Quadratic Form Distance Functions

Euclidean distance of two vectors is totally determined

Weighted Euclidean distance is a little more flexible , for it controls the effect of individual vector component onto the overall distance

On top of this, General Quad form distance function also specifies cross-dependencies of the dimensions

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