cd catkin_workspace/src/darknet_ros/darknet_ros/yolo_network_config/weights/

VOC data set:
  wget http://pjreddie.com/media/files/yolo-voc.weights
  wget http://pjreddie.com/media/files/tiny-yolo-voc.weights

COCO data set:
  wget http://pjreddie.com/media/files/yolo.weights
  wget http://pjreddie.com/media/files/tiny-yolo.weights

YOLO9000 data set:
  wget http://pjreddie.com/media/files/yolo9000.weights
