ANN is a library written in the C++ programming language to support both exact and approximate nearest neighbor searching in spaces of various dimensions.ANN is also a testbed containing programs and procedures for generating data sets, collect

code for approximate nearest neighbor algorithm,最经典的近似搜索算法-code for approximate nearest neighbor algorithm

Optimized Product Quantization for Approximate Nearest Neighbor Search Tiezheng Ge, Kaiming He, Qifa Ke, and Jian Sun IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2013

使用FLANN(近似最近邻算法)实现图像特征的匹配，其中图像特征使用SIFT提取，算法能实现单应性匹配需求。- FLANN (approximate nearest neighbor algorithm) is used to match the image feature, and the image feature is extracted using SIFT. The algorithm can achieve the homography matching requirement.