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---
license: cc-by-4.0
task_categories:
- image-to-3d
- depth-estimation
tags:
- clouds
- atmospheric-science
- stereo-vision
- 3d-reconstruction
- remote-sensing
- computer-vision
- meteorology
pretty_name: Cloud4D
---
# Cloud4D Dataset
Dataset for "Cloud4D: Estimating Cloud Properties at a High Spatial and Temporal Resolution", NeurIPS 2025 (Spotlight)
Project Page: https://cloud4d.jacob-lin.com/
## Dataset Structure
The dataset is organized into two main categories:
```
Cloud4D/
├── real_world/ # Real-world stereo camera captures
│ ├── 20230705_10/ # Date-hour folders (YYYYMMDD_HH)
│ │ ├── perspective_1/
│ │ │ ├── left_images/ # Left camera images
│ │ │ ├── right_images/ # Right camera images
│ │ │ ├── camera_pair.npz # Stereo calibration data
│ │ │ └── *.npy # Camera intrinsics/extrinsics
│ │ ├── perspective_2/
│ │ └── perspective_3/
│ └── ...
└── synthetic/ # Synthetic cloud renders
├── terragen/ # Terragen renders
│ ├── perspective_1/
│ ├── perspective_2/
│ └── perspective_3/
└── large_eddy_simulations/ # LES-based renders
├── perspective_1/
├── perspective_2/
├── perspective_3/
└── volumes/
```
## Quick Start
### Download and Extract
```bash
# Clone the dataset
hf download jacoblin/cloud4d --repo-type dataset --local-dir cloud4d
cd cloud4d
# Extract all archives
python unpack.py
# Or extract to a specific location
python unpack.py --output /path/to/cloud4d
```
### Selective Extraction
```python
# Extract only real-world data
python unpack.py --subset real_world
# Extract only synthetic data
python unpack.py --subset synthetic
# Extract a specific date
python unpack.py --filter 20230705
# List available archives without extracting
python unpack.py --list
```
### Parallel Extraction (Faster)
```bash
# Use 4 parallel workers
python unpack.py --jobs 4
```
## Citation
If you use this dataset in your research, please cite:
```bibtex
@inproceedings{
lin2025cloudd,
title={Cloud4D: Estimating Cloud Properties at a High Spatial and Temporal Resolution},
author={Jacob Lin and Edward Gryspeerdt and Ronald Clark},
booktitle={The Thirty-ninth Annual Conference on Neural Information Processing Systems},
year={2025},
url={https://openreview.net/forum?id=g2AAvmBwkS}
```
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