README.md

Please use the recommended data structure as follows:

data
    ├── kaist01
    │   ├── velodyne
    │   |    ├── .bin
    |   |    └── ...
    │   |── calib.txt
    │   └── localization_poses01_seq02asmap.txt
    └── kaist02
        ├── velodyne
        |    ├── .bin
        |    └── ...
        |── calib.txt
        └── localization_poses01_seq02asmap.txt