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RNb-NeuS

This is the official implementation of RNb-NeuS: Reflectance and Normal-based Multi-View 3D Reconstruction.

Baptiste Brument*, Robin Bruneau*, Yvain Quéau, Jean Mélou, François Lauze, Jean-Denis Durou, Lilian Calvet

Project page | Paper

Installation

dvd(2024/09/25): Python version: 3.9.13

git clone https://github.com/bbrument/RNb-NeuS.git
cd RNb-NeuS
pyenv local 3.11.3 # If using pyenv only
python -m venv .venv
source .venv/Scripts/activate
python -m pip install --upgrade pip
pip3 install torch torchvision --index-url https://download.pytorch.org/whl/cu118
pip install opencv-python-headless
pip install trimesh
pip install tensorboard
pip install tqdm
pip install pyhocon
pip install icecream
pip install scipy
pip install PyMCubes==0.1.6

dvd(2024/10/11): For cluster

qlogin -q gpu
module load python # Check which version with module avail python
python -m venv .venv
source /work/imvia/de1450bo/repos/RNb-NeuS-fork/.venv/bin/activate

/work/imvia/de1450bo/repos/RNb-NeuS-fork/.venv/bin/python -m pip install --upgrade pip
/work/imvia/de1450bo/repos/RNb-NeuS-fork/.venv/bin/python -m pip install torch torchvision --index-url https://download.pytorch.org/whl/cu118
/work/imvia/de1450bo/repos/RNb-NeuS-fork/.venv/bin/python -m pip install opencv-python-headless trimesh tensorboard tqdm pyhocon icecream scipy PyMCubes==0.1.6

# exp_runner.py example:
/work/imvia/de1450bo/repos/RNb-NeuS-fork/.venv/bin/python exp_runner.py --mode train_rnb --conf /work/imvia/de1450bo/repos/RNb-NeuS-fork/confs/wmask_rnb.conf --case bearPNG_002

Usage

dvd(2024/09/28): Python version: 3.9.13



Data Convention


Our data format is inspired from IDR as follows:


CASE_NAME
|-- cameras.npz    # camera parameters
|-- normal
    |-- 000.png        # normal map for each view
    |-- 001.png
    ...
|-- albedo
    |-- 000.png        # albedo for each view (optional)
    |-- 001.png
    ...
|-- mask
    |-- 000.png        # mask for each view
    |-- 001.png
    ...



One can create folders with different data in it, for instance, a normal folder for each normal estimation method.
The name of the folder must be set in the used .conf file.


We provide the DiLiGenT-MV data as described above with normals and reflectance maps estimated with SDM-UniPS. Note that the reflectance maps were scaled over all views and uncertainty masks were generated from 100 normals estimations (see the article for further details).


Run RNb-NeuS!


Train with reflectance


python exp_runner.py --mode train_rnb --conf ./confs/CONF_NAME.conf --case CASE_NAME


Train without reflectance


python exp_runner.py --mode train_rnb --conf ./confs/CONF_NAME.conf --case CASE_NAME --no_albedo


Extract surface


python exp_runner.py --mode validate_mesh --conf ./confs/CONF_NAME.conf --case CASE_NAME --is_continue


Additionaly, we provide the five meshes of the DiLiGenT-MV dataset with our method here.


Citation


If you find our code useful for your research, please cite


@inproceedings{Brument23,
    title={RNb-Neus: Reflectance and normal Based reconstruction with NeuS},
    author={Baptiste Brument and Robin Bruneau and Yvain Quéau and Jean Mélou and François Lauze and Jean-Denis Durou and Lilian Calvet},
    booktitle={IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
    year={2024}
}