3D-BoundingBox/Kitti 
└─── training
    └─── image_2
    	│   *.PNG (Image files, ex:000000.png)
    └─── label_2
    	|   *.txt (Label files)
    └─── calib
    	|   *.txt (Calibration files)
└─── testing
    └─── image_2
    	│   *.PNG (Image files, ex:000000.png)
    └─── label_2
    	|   *.txt (Label files)
    └─── calib
    	|   *.txt (Calibration files)
`