The paper is focused on the problem of multi-class classification of composite (piecewise-regular) objects (e.g., speech signals, complex images, etc.). We propose a mathematical model of composite object representation as a sequence of independent segments. Each segment is represented as a random sample of independent identically distributed feature vectors. Based on this model and a statistical approach, we reduce the task to a problem of composite hypothesis testing of segment homogeneity. Several nearest-neighbor criteria are implemented, and for some of them the well-known special cases (e.g., the Kullback-Leibler minimum information discrimination principle, the probabilistic neural network) are highlighted. It is experimentally shown that the proposed approach improves the accuracy when compared with contemporary classifiers.
@article{bwmeta1.element.bwnjournal-article-amcv25i4p915bwm, author = {Andrey V. Savchenko and Natalya S. Belova}, title = {Statistical testing of segment homogeneity in classification of piecewise-regular objects}, journal = {International Journal of Applied Mathematics and Computer Science}, volume = {25}, year = {2015}, pages = {915-925}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-amcv25i4p915bwm} }
Andrey V. Savchenko; Natalya S. Belova. Statistical testing of segment homogeneity in classification of piecewise-regular objects. International Journal of Applied Mathematics and Computer Science, Tome 25 (2015) pp. 915-925. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-amcv25i4p915bwm/
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