基于KNN算法对多种水果和蔬菜图像进行分类识别，识别率较高。-Classifying a variety of fruits and vegetables images by using KNN algorithm.

基于LDA线性辨别分析的人脸识别算法，采用KNN分类器，可直接运行，自带数据库，识别率有88 。-LDA face recognition algorithm based on linear discriminant analysis, using KNN classifier, can be directly run, comes with a , the recognition rate of 88 .

一张车的照片进行车牌分割、字符分割后，最后运用KNN算法进行字符识别。(A car photo license plate segmentation, character segmentation, the last use of KNN algorithm for character recognition.)

opencv3实现手写数字knn算法的代码(Opencv3 implements the code of the KNN algorithm)