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- ---
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- license: cc
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- ---
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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+ ## UT-MM Dataset
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+
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+ To access our dataset, visit [Hugging Face](https://huggingface.co/datasets/neel1302/UT-MM/tree/main). To see videos of the content, please visit our [[Project Page]](https://vita-group.github.io/MM3DGS-SLAM/).
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+
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+ A script to convert the UT-MM rosbag data to usable .txt files is included in
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+ `scripts/bag2data.py` at [this repository](https://github.com/VITA-Group/MM3DGS-SLAM). Note that [ROS](https://wiki.ros.org/ROS/Installation)
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+ is required to read the camera-to-imu transformation.
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+
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+ ```shell
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+ python scripts/bag2data.py --path <rosbag dir path> --scene <scene name>
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+ ```
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+ However, the transformation is constant between our datasets, which we have provided.
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+ ```
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+ ./tf/tf.txt
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+ ```
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+
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+ <details>
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+ <summary><span style="font-weight: bold;">Command Line Arguments for scripts/bag2data.py</span></summary>
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+
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+ #### --path
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+
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+ Path to the directory containing rosbags
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+
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+ #### --scene
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+
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+ Name of the scene to read
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+
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+ </details>
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+ <br>
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+
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+ ### Rosbag topics
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+
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+ Combined, the datasets contain 8387 images, 2796 LiDAR scans, and 27971 IMU measurements. The following is a quick overview of the topics that can be found within each bag file:
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+
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+ ```
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+ /vrpn_client_node/Jackal_Latest/pose : geometry_msgs/PoseStamped (Pose Coordinates, 100hz)
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+ /realsense/color/image_raw/compressed : sensor_msgs/CompressedImage (RGB Image, 30hz)
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+ /realsense/depth/image_rect_raw : sensor_msgs/Image (Depth Image, 30hz)
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+ /microstrain/imu/data : sensor_msgs/Imu (Imu Measurements, 100hz)
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+ /ouster/points : sensor_msgs/PointCloud2 (LiDAR Point Clouds, 10hz)
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+ ```
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+
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+ To visualize the dataset, ROS is needed. Some scripts are provided in the UT_MM_Scripts directory.
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+
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+ ```
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+ roscore
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+
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+ rosrun rviz rviz -d UT_MM_Scripts/configs/jackal.rviz
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+
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+ rqt --clear-config --perspective-file UT_MM_Scripts/configs/rqt_plots.perspective
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+
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+ rosbag play --clock *.bag --pause
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+
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+ python3 imu_preintegration.py
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+ ```
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+
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+ <br>
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+
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+ ## Citation
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+
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+ If you find our paper useful or interesting, please consider giving a star ⭐ and citing the following paper 📝.
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+
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+ ```bibtex
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+ @misc{sun2024mm3dgs,
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+ title={MM3DGS SLAM: Multi-modal 3D Gaussian Splatting for SLAM Using Vision, Depth, and Inertial Measurements},
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+ author={Lisong C. Sun and Neel P. Bhatt and Jonathan C. Liu and Zhiwen Fan and Zhangyang Wang and Todd E. Humphreys and Ufuk Topcu},
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+ year={2024},
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+ eprint={2404.00923},
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+ archivePrefix={arXiv},
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+ primaryClass={cs.CV}
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+ }
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+ ```
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+
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+ ---
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+ license: cc
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+ ---