利用水平集函数来检测物体轮廓，一般水平集收敛用到signed distance function的，但是这里实现的程序不用每次都要进行reinitialization就可以使水平集函数趋于收敛。-The use of level set function to detect an object contour, the general level set signed distance function used in the convergence, but the program here

detect a color object in the frame

利用混合高斯模型实现运动目标的初步监测，并利用HSV模型进行阴影滤除-Use mixgaussian model to detect moving object. and use the model of HSV to remove shadow

ECCV2014的论文，用于快速检测图片中物体的位置-Geodesic Object Proposals Philipp Krä henbühl and Vladlen Koltun detect object proposal in images