Place recognizor using DBoW2 on Fetch Robot
Only test it on the simulation env.
Build DBoW2 first
cd include
mkdir build
cd build
cmake ..
make
Then catkin_make the rospackage
cd ../
catkin_make
Start Fetch simulation first
roslaunch fetch_gazebo playground.launch
Then start the place_recognition node
rosrun place_recognition place_recognition
Image: "/head_camera/rgb/image_raw"
Best match index: "/place_recognizor/bestmatch"