说明：  ％BUILD_GRAPH构建网络流图 ％图的数据格式是： ％节点：节点的索引 ％ ％suc（后继者）：关联结构，包括： ％ind（索引）：搜索节点的索引 ％cos（成本）：连接前驱和协处理器的弧的成本 ％cap（容量）：相应弧的容量 ％aff（亲和力）：两个节点的亲和力 ％det：检测结果 ％similarity_thresh：如果两个检测的亲和力大于这个阈值，则在这对节点之间的弧 ％存在。 ％vid_path：帧的文件路径 %% %%加载功能 ％display（'载入功能'）;
(%BUILD_GRAPH build the network flow graph %The data format of graph is: % node: the index of node % % suc(successor): the struct of association, including: % ind(index): the indexes of succussor node % cos(cost): the cost of the arc connecting the predecessor and soccessor % cap(capacity): the capacity of the corresponding arc % aff(affinity): the affinity of two nodes %det: the detection result %similarity_thresh: If the affinity of two detection is larger than this threshhold, the arc between this pair of nodes % exists. %vid_path: the file path of the frames %% %% Load the features %display('load the features');)