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https://github.com/philipperemy/keras-sde-net

Keras implementation of SDE-Net (ICML 2020).
https://github.com/philipperemy/keras-sde-net

keras keras-tensorflow neural-networks sde-net tensorflow

Last synced: 14 days ago
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Keras implementation of SDE-Net (ICML 2020).

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README

        

## SDE Net (Keras)
This repo contains the code for the paper:

Lingkai Kong, Jimeng Sun and Chao Zhang, SDE-Net: Equipping Deep Neural Network with Uncertainty Estimates, ICML2020.

[[paper](https://arxiv.org/abs/2008.10546)] [[video](https://www.youtube.com/watch?v=RylZA4Ioc3M)]

![SDE-Net](figure/illustration.png)

### Package installation

From PyPI

```bash
pip install sdenet
```

From the sources

```bash
git clone https://github.com/philipperemy/keras-sde-net.git && cd keras-sde-net
virtualenv -p python3 venv && source venv/bin/activate # optional but recommended.
pip install -r requirements.txt && pip install -e . # install the package.
```

### Import the models

```python
from sdenet import SDENet
from sdenet import ResidualNet
```

### Training & Evaluation

Supported datasets are: MNIST, SVHN, CIFAR10, CIFAR100. Supported models are RESNET and SDENET.

Look at the bash run scripts at the root of the repository to get started for training and evaluation.

### Comparison between official Pytorch implementation and Keras

This comparison is just the result of one run. No runs were handpicked. Overall it's very similar.

Except probably SDENET on SVHN (95% vs 94%).

#### Pytorch

```
MNIST RESNET
_________________________________

Final Accuracy: 9945/10000 (99.45%)

generate log from out-of-distribution data
calculate metrics for OOD
OOD Performance of Baseline detector
TNR at TPR 95%: 88.783%
AUROC: 95.939%
Detection acc: 92.169%
AUPR In: 86.441%
AUPR Out: 98.434%

calculate metrics for mis
mis Performance of Baseline detector
TNR at TPR 95%: 89.791%
AUROC: 97.510%
Detection acc: 93.041%
AUPR In: 99.985%
AUPR Out: 34.000%

MNIST SDENET
_________________________________

Final Accuracy: 9927/10000 (99.27%)

generate log from out-of-distribution data
calculate metrics for OOD
OOD Performance of Baseline detector
TNR at TPR 95%: 99.372%
AUROC: 99.804%
Detection acc: 98.692%
AUPR In: 99.483%
AUPR Out: 99.887%
calculate metrics for mis
mis Performance of Baseline detector
TNR at TPR 95%: 92.544%
AUROC: 97.525%
Detection acc: 94.485%
AUPR In: 99.979%
AUPR Out: 41.739%

SVHN RESNET
_________________________________

Final Accuracy: 24609/25856 (95.18%)

generate log from out-of-distribution data
calculate metrics for OOD
OOD Performance of Baseline detector
TNR at TPR 95%: 66.552%
AUROC: 94.421%
Detection acc: 90.136%
AUPR In: 97.639%
AUPR Out: 84.998%
calculate metrics for mis
mis Performance of Baseline detector
TNR at TPR 95%: 64.376%
AUROC: 90.458%
Detection acc: 85.371%
AUPR In: 99.301%
AUPR Out: 44.899%

SVHN SDENET
_________________________________

Final Accuracy: 24588/25856 (95.10%)

generate log from out-of-distribution data
calculate metrics for OOD
OOD Performance of Baseline detector
TNR at TPR 95%: 65.215%
AUROC: 94.308%
Detection acc: 89.746%
AUPR In: 97.694%
AUPR Out: 84.017%
calculate metrics for mis
mis Performance of Baseline detector
TNR at TPR 95%: 67.831%
AUROC: 91.267%
Detection acc: 86.501%
AUPR In: 99.270%
AUPR Out: 48.871%

```

#### Keras
```
MNIST RESNET
_________________________________

Final Accuracy: 9944/10000 (99.44%)

generate log from out-of-distribution data
calculate metrics for OOD
OOD Performance of Baseline detector
TNR at TPR 95%: 93.162%
AUROC: 97.946%
Detection acc: 94.250%
AUPR In: 94.842%
AUPR Out: 99.215%
calculate metrics for mis
mis Performance of Baseline detector
TNR at TPR 95%: 96.997%
AUROC: 98.863%
Detection acc: 96.697%
AUPR In: 99.994%
AUPR Out: 26.744%

MNIST SDENET
_________________________________

Final Accuracy: 9934/10000 (99.34%)

generate log from out-of-distribution data
calculate metrics for OOD
OOD Performance of Baseline detector
TNR at TPR 95%: 98.425%
AUROC: 99.567%
Detection acc: 97.804%
AUPR In: 98.613%
AUPR Out: 99.872%
calculate metrics for mis
mis Performance of Baseline detector
TNR at TPR 95%: 95.515%
AUROC: 98.763%
Detection acc: 95.825%
AUPR In: 99.992%
AUPR Out: 32.524%

SVHN RESNET
_________________________________

Final Accuracy: 24487/25856 (94.71%)

generate log from out-of-distribution data
calculate metrics for OOD
OOD Performance of Baseline detector
TNR at TPR 95%: 56.648%
AUROC: 93.602%
Detection acc: 87.504%
AUPR In: 97.627%
AUPR Out: 81.664%
calculate metrics for mis
mis Performance of Baseline detector
TNR at TPR 95%: 63.765%
AUROC: 91.843%
Detection acc: 85.721%
AUPR In: 99.386%
AUPR Out: 46.231%

SVHN SDENET
_________________________________

Final Accuracy: 24339/25856 (94.13%)

generate log from out-of-distribution data
calculate metrics for OOD
OOD Performance of Baseline detector
TNR at TPR 95%: 64.491%
AUROC: 94.358%
Detection acc: 88.711%
AUPR In: 97.776%
AUPR Out: 87.517%
calculate metrics for mis
mis Performance of Baseline detector
TNR at TPR 95%: 60.160%
AUROC: 88.955%
Detection acc: 85.735%
AUPR In: 99.165%
AUPR Out: 45.268%
```