K-D树源码，不错的空间查找算法，在三维重建和匹配中应用较多！-KD tree source, good space search algorithm, in the three-dimensional reconstruction and matching the application of more!

C语言实现的决策树算法，广泛应用在模式识别中-C language implementation of the decision tree algorithm, widely used in pattern recognition

dtree source code d tree source code-dtree source code dtree source code dtree source code