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Face Recognition

Detect facial landmarks from Python using the world's most accurate face alignment network, capable of detecting points in both 2D and 3D coordinates.

Build using FAN's state-of-the-art deep learning based face alignment method. For detecting faces the library makes use of dlib library.

Note: The lua version is available here.

For numerical evaluations it is highly recommended to use the lua version which uses indentical models with the ones evaluated in the paper. More models will be added soon.

License Build Status

Features

Detect 2D facial landmarks in pictures

import face_alignment
from skimage import io

fa = face_alignment.FaceAlignment(face_alignment.LandmarksType._2D, enable_cuda=True, flip_input=False)

input = io.imread('../test/assets/aflw-test.jpg')
preds = fa.get_landmarks(input)

Detect 3D facial landmarks in pictures

import face_alignment
from skimage import io

fa = face_alignment.FaceAlignment(face_alignment.LandmarksType._3D, enable_cuda=True, flip_input=False)

input = io.imread('../test/assets/aflw-test.jpg')
preds = fa.get_landmarks(input)

Find all faces present in a given image

import face_alignment
from skimage import io

fa = face_alignment.FaceAlignment(face_alignment.LandmarksType._2D, enable_cuda=False, flip_input=False)

input = io.imread('../test/assets/aflw-test.jpg')
preds = fa.detect_faces(input)

Process an entire directory in one go

import face_alignment
from skimage import io

fa = face_alignment.FaceAlignment(face_alignment.LandmarksType._2D, enable_cuda=False, flip_input=False)

input = io.imread('../test/assets/aflw-test.jpg')
preds = fa.process_folder('../test/assets/', all_faces=True)

Please also see the examples folder

Installation

Requirements

  • Python 3.5+ or Python 2.7 (it may work with other versions too)
  • Linux or macOS (windows may work once pytorch gets supported)
  • pytorch (>=0.2 recommended)

While not required, for optimal performance(especially for the detector) it is highly recommended to run the code using a CUDA enabled GPU.

Binaries

Conda builds are coming soon!

From source

Install pytorch and pytorch dependencies. Instructions taken from pytorch readme. For a more updated version check the framework github page.

On Linux

export CMAKE_PREFIX_PATH="$(dirname $(which conda))/../" # [anaconda root directory]

# Install basic dependencies
conda install numpy pyyaml mkl setuptools cmake gcc cffi

# Add LAPACK support for the GPU
conda install -c soumith magma-cuda80 # or magma-cuda75 if CUDA 7.5

On OSX

export CMAKE_PREFIX_PATH=[anaconda root directory]
conda install numpy pyyaml setuptools cmake cffi

Get the PyTorch source

git clone --recursive https://github.com/pytorch/pytorch

Install PyTorch

On Linux

python setup.py install

On OSX

MACOSX_DEPLOYMENT_TARGET=10.9 CC=clang CXX=clang++ python setup.py install

Get the Face Alignment source code

git clone https://github.com/1adrianb/face-alignment

Install the Face Alignment lib

pip install -r requirements.txt
python setup.py install

Docker image

A Dockerfile is provided to build images with cuda support and cudnn v5. For more instructions about running and building a docker image check the orginal Docker documentation.

docker build -t face-alignment .

How does it work?

While here the work is presented as a black-box, if you want to know more about the intrisecs of the method please check the original paper either on arxiv or my webpage.

Contributions

All contributions are welcomed. If you encounter any issue (including examples of images where it fails) feel free to open an issue.

Citation

@inproceedings{bulat2017far,
  title={How far are we from solving the 2D \& 3D Face Alignment problem? (and a dataset of 230,000 3D facial landmarks)},
  author={Bulat, Adrian and Tzimiropoulos, Georgios},
  booktitle={International Conference on Computer Vision},
  year={2017}
}

For citing dlib, pytorch or any other packages used here please check the original page of their respective authors.

Acknowledgements

  • To the dlib developers for making available the pretrained face detection model
  • To the pytorch team for providing such an awesome deeplearning framework
  • To my supervisor for his patience and suggestions.
  • To all other python developers that made available the rest of the packages used in this repository.