semantic_slam ORB-SLAM2 RGB-D Example TUM Dataset /home/zss/Documents/myslam/desk_yolo.txt /home/zss/Documents/myslam/TUM1.yaml /home/zss/Documents/data/rgbd_dataset_freiburg1_desk /home/zss/Documents/data/rgbd_dataset_freiburg1_desk/associate.txt 绝对误差: 实际场景稀疏语义地图表达,useful数据关联: