A Welghted K-NN Classifier and its Application
加权K-NN分类器及其应用

This paper introduces the basic principle of a weighted-K-NN classifier and presents the corresponding algorithm. The form of the weight function are discussed emphatically, and two new definition formulas of weighted function are produced. The weighted-K-NN Classifier has been applied to a system for the automated classification of white blood cells, and the classification accuracy is much higher than the K-NN Classifier.