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(测试)2D Gaussian Splatting based LiDAR Odometry And Mapping

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测试 Splat-LOAM: Gaussian Splatting LiDAR Odometry and Mapping

安装配置

  • 可以采用作者提供的Docker或者Pixi,不过此处采用conda配置:
git clone --recursive https://github.com/R-C-Group/Splat-LOAM.git

# rm -rf .git

conda env create -f environment.yaml # for A100 with CUDA12.2/12.1
# # conda remove --name Splat-LOAM --all
conda activate Splat-LOAM
# bash post_install.sh

# 安装第一个模块
pip install ./submodules/diff-surfel-spherical-rasterization/

# 安装第二个模块
pip install ./submodules/gsaligner/

# 安装第三个模块
pip install ./submodules/simple-knn/

实验测试

  • configs文件中含有运行所需要的配置
  • 运行代码(注意要修改数据的路径,同时下载kitti数据)
python3 run.py slam <path/to/config.yaml>

conda activate Splat-LOAM
python3 run.py slam configs/kitti/kitti-00-odom.yaml
  • 注意,上述需要在sequences/00内还要有times.txt文件,故此需要下载图像帧
  • 下面是成功运行的截图:

Tip

If you want to solve Mapping-only, provide a trajectory in data.trajectory_reader.filename, set tracking to use it with tracking.method=gt and enable skipping of clouds that have no associated pose with data.skip_clouds_wno_sync=true

  • 运行后提醒打开浏览器http://127.0.0.1:9876/,但是加载好久都加载不出来(改为MobaXterm即可)
  • output.folder没有设置,实验结果会保存在 results/<date_of_the_experiment>/文件中(但实际运行中会遇到没有results导致跑了几个小时后没法保存模型...)
  • 运行完SLAM后(运行的时间应该要好几个小时),接下来可以基于SLAM的结果来生成mesh:
python3 run.py mesh <path/to/result/folder>
# conda activate Splat-LOAM
# python3 run.py mesh /home/gwp/Splat-LOAM/results/2025-06-19_09-40-53

关于保存的ply的可视化请见博客。

  • 为了验证所计算的mesh以及odometry,运行下面命令:
python3 run.py eval_recon <reference_pointcloud_file> <estimate_mesh> 

python3 run.py eval_odom <path/to/odom/estimate> \
                          --reference-filename <path/to/reference/trajectory> \
                          --reference-format <tum|kitti|vilens> \
                          --estimate-format <tum|kitti|vilens> \

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  • Python 44.0%
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  • C++ 18.5%
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