CollaborativeNanoArray

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CollaborativeNanoArray

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[SIGGRAPH 2025] Official Repository for Collaborative On-Sensor Array Cameras

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# Collaborative On-Sensor Array Cameras

> [**Collaborative On-Sensor Array Cameras**](https://arxiv.org/abs/2506.04061) 
> [Jipeng Sun](https://jipengsun.github.io/)1, [Kaixuan Wei](https://kxwei.net/)2, [Thomas Eboli](https://teboli.github.io/)4, [Congli Wang](https://congliwang.github.io/)1, [Cheng Zheng](https://zcshinee.github.io/)1, [Zhihao Zhou](https://labs.ece.uw.edu/amlab/Team.html)3, [Arka Majumdar](https://people.ece.uw.edu/majumdar_arka/)3, [Wolfgang Heidrich](https://vccimaging.org/People/heidriw/)2, [Felix Heide](https://www.cs.princeton.edu/~fheide/)1 1 Princeton University, 2 KAUST, 3 University of Washington 4 Université Paris-Saclay 
> ACM Transactions on Graphics (SIGGRAPH), 2025 

 <img src="src/website_teaser.png" alt="Collaborative On-Sensor Array Cameras — teaser" width="360" height='auto'>

This work proposes a collaboratively optimized **2×3 metasurface array** (100M+ nanoposts) that enables **on-sensor, video-rate broadband imaging** with a **3.6 mm** form factor and a **non-generative**, parallax-aware reconstruction pipeline.

## Repository Timeline

- [x] [08/2025] Environment setup & repo skeleton
- [x] [08/2025] Paper, supplementary, and project page links
- [x] [08/2025] Release synthetic hyperspectral dataset and collaborative reconstrution
- [x] [09/2025] Release experimental dataset

## Setup <a name="setup"></a>

Start by cloning the repository

```
git clone https://github.com/princeton-computational-imaging/collab-array-cameras.git
cd collab-array-cameras
```

### Conda Setup

```
# create conda environment
conda env create -f environment.yml
conda activate collab-array
```

### Demo Run

```
# simply run demo.py
python demo.py
```

## Dataset

Please find the experimental capture dataset here: [Experimental Dataset](https://drive.google.com/file/d/1hnk4raLKJ9aTPo-GT-sKTkuZABNTaYwC/view?usp=sharing) .

The dataset contains 653 indoor and outdoor experimental captured scenes. Each scene contains the raw sensor measurement and cropped six sublenses' captures of the metalens array camera. Each scene also contains a homography matrix for pair cameras alignment.

## Citation <a name="citation"></a>

Please consider citing our work if you make use of this codebase.

```bibtex
@article{collab_array,
  author    = {Sun, Jipeng and Wei, Kaixuan and Eboli, Thomas and Wang, Congli and
               Zheng, Cheng and Zhou, Zhihao and Majumdar, Arka and Heidrich, Wolfgang
               and Heide, Felix},
  title     = {Collaborative On-Sensor Array Cameras},
  journal   = {ACM Trans. Graph.},
  volume    = {44},
  number    = {4},
  articleno = {55},
  numpages  = {18},
  year      = {2025},
  month     = {jul},
  publisher = {Association for Computing Machinery},
  doi       = {10.1145/3731200},
  keywords  = {computational optics, computational imaging, distributed optimization}
}
```

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