https://github.com/clcarwin/sphereface_pytorch

A PyTorch Implementation of SphereFace.
https://github.com/clcarwin/sphereface_pytorch

Last synced: 3 months ago
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A PyTorch Implementation of SphereFace.

• Host: GitHub
• URL: https://github.com/clcarwin/sphereface_pytorch
• Owner: clcarwin
• License: mit
• Created: 2017-09-27T03:53:12.000Z (almost 8 years ago)
• Default Branch: master
• Last Pushed: 2022-02-01T20:56:10.000Z (over 3 years ago)
• Last Synced: 2024-11-04T18:44:54.313Z (8 months ago)
• Language: Python
• Size: 20.6 MB
• Stars: 715
• Watchers: 19
• Forks: 172
• Open Issues: 33
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# SphereFace

A PyTorch Implementation of SphereFace.

The code can be trained on CASIA-Webface and the best accuracy on LFW is **99.22%**.

[SphereFace: Deep Hypersphere Embedding for Face Recognition](https://arxiv.org/abs/1704.08063)

# Train

```

python train.py

```

# Test

```

# lfw.tgz to lfw.zip

tar zxf lfw.tgz; cd lfw; zip -r ../lfw.zip *; cd ..

# lfw evaluation

python lfw_eval.py --model model/sphere20a_20171020.pth

```

# Pre-trained models

| Model name      | LFW accuracy | Training dataset |

|-----------------|--------------|------------------|

| [20171020](model/sphere20a_20171020.7z) | 0.9922 | CASIA-WebFace |

# φ

![equation](https://latex.codecogs.com/gif.latex?phi%28x%29%3D%5Cleft%28-1%5Cright%29%5Ek%5Ccdot%20%5Ccos%20%5Cleft%28x%5Cright%29-2%5Ccdot%20k)

![equation](https://latex.codecogs.com/gif.latex?myphi(x)=1-\frac{x^2}{2!}+\frac{x^4}{4!}-\frac{x^6}{6!}+\frac{x^8}{8!}-\frac{x^9}{9!})

![phi](images/phi.png)

# References

[sphereface](https://github.com/wy1iu/sphereface)