SIFT特征（Scale-invariant feature transform，尺度不变特征转换)是一种电脑视觉的算法用来侦测与描述影像中的局部性特征，它在空间尺度中寻找极值点，并提取出其位置、尺度、旋转不变量，此算法由 David Lowe 在1999年所发表，2004年完善总结。其应用范围包含物体辨识、机器人地图感知与导航、影像缝合、3D模型建立、手势辨识、影像追踪和动作比对。-Scale-invariant feature transform (or SIFT) is an algori

object tracking is one of the hottest topic in computer vision. in a video you may have some different kind of object to be tracked this files is implementation for multi-target object tracking.

Used for Separate Background and Foreground of a Video using Approximate Median Filter Separate Background and Foreground of a Video using Frame Averaging Tracking a given moving point with a given colour in a Video