Bhattacharyya Distance Measure for Pattern Recognition

Versione 1.0.0.0 (1,69 KB) da Yi Cao
A Tool to calculate the Bhattacharyya Distance Measure for Pattern Recognition
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Aggiornato 13 mar 2008

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The m-file provides a tool to calculate the Bhattacharyya Distance Measure (BDM) between two classes of normal distributed data. The BDM is widely used in Pattern Recognition as a criterion for Feature Selection.

Directly calculation may result in divide by zero error due to possible (near) singularity of cov(X1)*cov(X2). The improved code uses the Cholesky factorization for the normal cases but uses sqrtm for near singular cases.

Cita come

Yi Cao (2024). Bhattacharyya Distance Measure for Pattern Recognition (https://www.mathworks.com/matlabcentral/fileexchange/18662-bhattacharyya-distance-measure-for-pattern-recognition), MATLAB Central File Exchange. Recuperato .

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Creato con R2007b
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Versione Pubblicato Note della release
1.0.0.0

update descriptions.