PyNNcml

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Library for rain estimation and detection built with PyTorch. This library provides an implementation of algorithms for extracting rain-rate using data from commercial microwave links (CMLs). Addinaly this project provide an example dataset with data from two CMLs and implementation of performance and robustness metrics

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# PyNNcml
A python toolbox based on PyTorch which utilized neural network for rain estimation and classification from commercial microwave link (CMLs) data. This toolbox provides an implementation of algorithms for extracting rain-rate using neural networks and CMLs. Addinaly this project provides an example dataset with data from two CMLs and implementation of performance and robustness metrics.

This project was initially create as  part of the M.Sc. thesis of Hai Victor Habi, under the supervision of Prof. Hagit Messer at Tel Aviv University.
Now this project is maintained by Hai Victor Habi and the [Cellular Environmental Monitoring and Processing Lab](https://cellenmonlab.tau.ac.il/) at Tel Aviv University.
![plot](https://raw.githubusercontent.com/haihabi/PyNNcml/main/images/cml_figure.png)
* The figure above was create by Jonatan Ostrometzky.

# Getting Started
## Installation
PyNNcml is available on PyPI. To install, run the following command:
```
pip install pynncml
```

## Supported Python Versions

| Python Version | Status                                                                                                |
|----------------|-------------------------------------------------------------------------------------------------------|
| Python 3.9     | ![Run Tests](https://github.com/haihabi/PyNNcml/actions/workflows/run_test_python_3_9.yml/badge.svg)  |
| Python 3.10    | ![Run Tests](https://github.com/haihabi/PyNNcml/actions/workflows/run_test_python_3_10.yml/badge.svg) |
| Python 3.11    | ![Run Tests](https://github.com/haihabi/PyNNcml/actions/workflows/run_test_python_3_11.yml/badge.svg) |
| Python 3.12    | ![Run Tests](https://github.com/haihabi/PyNNcml/actions/workflows/run_test_python_3_12.yml/badge.svg) |

# PyNNcml Features

## Task and Algorithms

1. Wet Dry Classification (RNN[1,2,3] and STD Window[6])
2. Rain Estimation (Constant Baseline [6], Dynamic Baseline [5], Direct RNN Estimation [4,3])
3. Rain Field Generation (RainGAN )
4. Rain Field Interpolation (IDW, GMZ [9])

## Datasets
This repository includes an example of a dataset with a reference rain gauge. 
In addition, this repository provide PyTorch version of the OpenMRG dataset [10].

## Examples and Tutorials
This repository includes examples of how to use the PyNNcml library to obtain various whether monotoning information using CMLs data. 
Please see the [examples](examples) directory for more information.

## Model Zoo
In this project we supply a set of trained networks in our [Model Zoo](https://github.com/haihabi/PyNNcml/tree/master/pynncml/model_zoo), this networks are trained on our own dataset which is not publicly available.
The model contains three types of networks: Wet-dry classification network, one-step network (rain estimation only) and two-step network (rain estimation and wet-dry classification). Moreover, we have provided all of these networks with a various number of RNN cells (1, 2, 3). From more details about network structure and results see the publication list.

# Contributing

PyNNCMLs aims at keeping a more up-to-date fork and welcomes contributions from anyone.

If you would like to contribute, please follow the [contribution guidelines](CONTRIBUTING.md).

# Citing PyNNcml

If you use this code in your research, please cite

```bibtex
@software{PyNNcml2026github,
  author = {Hai Victor Habi},
  title = {PyNNcml: Rain Estimation and Classification from Commercial Microwave Links Data},
  url = {https://github.com/haihabi/PyNNcml},
  year = {2026},
}
```

# References

Please cite one of following paper if you found our neural network model useful. Thanks!

[1] Habi, Hai Victor and Messer, Hagit. "Wet-Dry Classification Using LSTM and Commercial Microwave Links"

[2] Habi, Hai Victor and Messer, Hagit. "RNN MODELS FOR RAIN DETECTION"

[3] Habi, Hai Victor. "Rain Detection and Estimation Using Recurrent Neural Network and Commercial Microwave Links"

[4] Habi, Hai Victor, and Hagit Messer. "Recurrent neural network for rain estimation using commercial microwave links." IEEE Transactions on Geoscience and Remote Sensing 59.5 (2020): 3672-3681.

Also, this package contains the implementations of the following papers:

[5] J. Ostrometzky and H. Messer, “Dynamic determination of the baselinelevel in microwave links for rain monitoring from minimum attenuationvalues,”IEEE Journal of Selected Topics in Applied Earth Observationsand Remote Sensing, vol. 11, no. 1, pp. 24–33, Jan 2018.

[6] M. Schleiss and A. Berne, “Identification of dry and rainy periods using telecommunication  microwave  links,”IEEE  Geoscience  and  RemoteSensing Letters, vol. 7, no. 3, pp. 611–615, 2010

[7] Jonatan Ostrometzky, Adam Eshel, Pinhas Alpert, and Hagit Messer. Induced bias in attenuation measurements taken from commercial microwave links. In 2017 IEEE International
Conference on Acoustics, Speech and Signal Processing (ICASSP), pages 3744–3748. IEEE,2017. <br>

[8] Jonatan Ostrometzky, Roi Raich, Adam Eshel, and Hagit Messer.
Calibration of the
attenuation-rain rate power-law parameters using measurements from commercial microwave networks. In 2016 IEEE International Conference on Acoustics, Speech and Signal
Processing (ICASSP), pages 3736–3740. IEEE, 2016.

[9] Goldshtein, Oren, Hagit Messer, and Artem Zinevich. "Rain rate estimation using measurements from commercial telecommunications links." IEEE Transactions on signal processing 57.4 (2009): 1616-1625.

And include PyTorch implementation of the OpenMRG dataset:

[10] van de Beek, Remco CZ, et al. OpenMRG: Open data from Microwave links, Radar, and Gauges for rainfall quantification in Gothenburg, Sweden. No. EGU23-14295. Copernicus Meetings, 2023.

If you found one of those methods usefully please cite.

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