这是SIFT和SURF算法的基本介绍的文档，初学者可以快速入门，对匹配算法快速掌握。-SIFT and SURF algorithms which is a basic introduction to the document, beginners can get started quickly, right matching algorithm to grasp.

粒子滤波是基于序贯Monte Carlo 仿真方法的非线性滤波算法，对基本粒子滤波算法的原理实现步骤进行了详细的介绍，进行了仿真试验。-Particle filter is based on sequential Monte Carlo simulation method of nonlinear filtering algorithm, the principle of elementary particle filter algorithm to achieve a detailed int

波形匹配算法，为了获得完整的指纹图像，提出一种基于波形匹配的指纹图像帧序列拼接算法．该算法从每个图像帧的参考区域提取波形信息，通过计算波形相似度并引入逐步求精的拼接策略，分3个阶段获得拼接参数，确定图像帧之间的重叠和水平移位．实验结果表明，文中算法运算量小、运算速度快、占用系统资源少，特别适用于资源有限环境中的自动指纹识别系统．-Waveform matching algorithm, in order to obtain a complete image of the fingerprint,

数据挖掘十大经典算法之一的EM算法的学习文档，里边有细致的介绍。-One of the top ten classical data mining algorithms EM algorithm to learn the document, inside a detailed introduction.