以下是论文的序: 大概意思就是说用YOLOv2检测了9000种分类 WeintroduceYOLO9000,astate-of-the-art,real-time objectdetectionsystemthatcandetectover9000object categories.Firstweproposevariousimprovementstothe YOLOdetectionmethod,bothnovelanddrawnfromprior work.Theimprovedmodel,YOLOv2,iss