DiffuScene

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This is the repository that contains source code for the paper:

DiffuScene: Denoising Diffusion Models for Generative Indoor Scene Synthesis

• We present DiffuScene, a diffusion model for diverse and realistic indoor scene synthesis.

It can facilitate various down-stream applications: scene completion from partial scenes (left); scene arrangements of given objects (middle); scene generation from a text prompt describing partial scene configurations (right).

Installation & Dependencies

You can create a conda environment called diffuscene using

conda env create -f environment.yaml
conda activate diffuscene

Next compile the extension modules. You can do this via

python setup.py build_ext --inplace
pip install -e .

Install ChamferDistancePytorch

cd ChamferDistancePytorch/chamfer3D
python setup.py install

Pretrained models

The pretrained models of DiffuScene and ShapeAutoEncoder can be downloaded from here.

Dataset

The training and evaluation are based on the 3D-FRONT and the 3D-FUTURE dataset. To download both datasets, please refer to the instructions provided in the dataset's webpage.

Pickle the 3D-FUTURE dataset

To accelerate the preprocessing speed, we can sepcify the PATH_TO_SCENES environment variable for all scripts. This filepath contains the parsed ThreedFutureDataset after being pickled. To pickle it, you can simply run this script as follows:

python pickle_threed_future_dataset.py path_to_output_dir path_to_3d_front_dataset_dir path_to_3d_future_dataset_dir path_to_3d_future_model_info --dataset_filtering room_type

Based on the pickled ThreedFutureDataset, we also provide a script to pickle the sampled point clouds of object CAD models, which are used to shape autoencoder training and latent shape code extraction.

python pickle_threed_future_pointcloud.py path_to_output_dir path_to_3d_front_dataset_dir path_to_3d_future_dataset_dir path_to_3d_future_model_info --dataset_filtering room_type

For example,

python pickle_threed_future_dataset.py  /cluster/balrog/jtang/3d_front_processed/ /cluster/balrog/jtang/3D-FRONT/ /cluster/balrog/jtang/3D-FUTURE-model /cluster/balrog/jtang/3D-FUTURE-model/model_info.json  --dataset_filtering threed_front_livingroom --annotation_file ../config/livingroom_threed_front_splits.csv

PATH_TO_SCENES="/cluster/balrog/jtang/3d_front_processed/threed_front.pkl" python pickle_threed_fucture_pointcloud.py /cluster/balrog/jtang/3d_front_processed/ /cluster/balrog/jtang/3D-FRONT/ /cluster/balrog/jtang/3D-FUTURE-model /cluster/balrog/jtang/3D-FUTURE-model/model_info.json  --dataset_filtering threed_front_livingroom --annotation_file ../config/livingroom_threed_front_splits.csv

Note that these two scripts should be separately executed for different room types containing different objects. For the case of 3D-FRONT this is for the bedrooms and the living/dining rooms, thus you have to run this script twice with different --dataset_filtering and --annotation_fileoptions. Please check the help menu for additional details.

Train shape autoencoder

Then you can train the shape autoencoder using all models from bedrooms/diningrooms/livingrooms.

cd ./scripts
PATH_TO_SCENES="/cluster/balrog/jtang/3d_front_processed/threed_front.pkl" python train_objautoencoder.py ../config/obj_autoencoder/bed_living_diningrooms_lat32.yaml your_objae_output_directory --experiment_tag  "bed_living_diningrooms_lat32" --with_wandb_logger

Pickle Latent Shape Code

Next, you can use the pre-train checkpoint of shape autoencoder to extract latent shape codes for each room type. Take the bedrooms for example:

PATH_TO_SCENES="/cluster/balrog/jtang/3d_front_processed/threed_front.pkl" python generate_objautoencoder.py ../config/objautoencoder/bedrooms.yaml your_objae_output_directory --experiment_tag "bed_living_diningrooms_lat32"

Preprocess 3D-Front dataset with latent shape codes

Finally, you can run preprocessing_data.py to read and pickle object properties (class label, location, orientation, size, and latent shape features) of each scene.

PATH_TO_SCENES="/cluster/balrog/jtang/3d_front_processed/threed_front.pkl" python preprocess_data.py /cluster/balrog/jtang/3d_front_processed/livingrooms_objfeats_32_64 /cluster/balrog/jtang/3D-FRONT/ /cluster/balrog/jtang/3D-FUTURE-model /cluster/balrog/jtang/3D-FUTURE-model/model_info.json --dataset_filtering threed_front_livingroom --annotation_file ../config/livingroom_threed_front_splits.csv --add_objfeats

The proprossed datasets can also be downloaded from here.

Training & Evaluate Diffuscene

To train diffuscene on 3D Front-bedrooms, you can run

./run/train.sh
./run/train_text.sh

To generate the scene of unconditional and text-conditioned scene generation with our pretraiened models, you can run

./run/generate.sh
./run/generate_text.sh

If you want to calculate evaluation metrics of bbox IoU and average number of symmetric pairs, you can add the option--compute_intersec. Please note that our current text-conditioned model is used to generate a full scene configuration from a text prompt of partial scene (2-3 sentences). If you want to evaluate our method with text prompts of more sentences, you might need to re-train our method.

Evaluation Metrics

To evaluate FID and KID from rendered 2D images of generated and reference scenes, you can run:

python compute_fid_scores.py $ground_truth_bedrooms_top2down_render_folder $generate_bedrooms_top2down_render_folder  ../config/bedroom_threed_front_splits.csv
python compute_fid_scores.py $ground_truth_diningrooms_top2down_render_folder $generate_diningrooms_top2down_render_folder  ../config/diningroom_threed_front_splits.csv

To evaluate improved precision and recall, you can run:

python improved_precision_recall.py $ground_truth_bedrooms_top2down_render_folder $generate_bedrooms_top2down_render_folder  ../config/bedroom_threed_front_splits.csv
python improved_precision_recall.py $ground_truth_diningrooms_top2down_render_folder $generate_diningrooms_top2down_render_folder  ../config/diningroom_threed_front_splits.csv

Relevant Research

Please also check out the following papers that explore similar ideas:

• LEGO-Net: Learning Regular Rearrangements of Objects in Rooms.[homepage]
• Learning 3D Scene Priors with 2D Supervision. [homepage]
• Sceneformer: Indoor Scene Generation with Transformers. [homepage]
• ATISS: Autoregressive Transformers for Indoor Scene Synthesis. [homepage]
• Scene Synthesis via Uncertainty-Driven Attribute Synchronization [pdf]
• Indoor Scene Generation from a Collection of Semantic-Segmented Depth Images [pdf]
• Fast and Flexible Indoor Scene Synthesis via Deep Convolutional Generative Models [pdf]

Citation

If you find DiffuScene useful for your work please cite:

@inproceedings{tang2024diffuscene,
  title={Diffuscene: Denoising diffusion models for generative indoor scene synthesis},
  author={Tang, Jiapeng and Nie, Yinyu and Markhasin, Lev and Dai, Angela and Thies, Justus and Nie{\ss}ner, Matthias},
  booktitle={Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition},
  year={2024}
}

Contact Jiapeng Tang for questions, comments and reporting bugs.

Acknowledgements

Most of the code is borrowed from ATISS. We thank for Despoina Paschalidou her great works and repos.