A Flask App for demoing openface's face processing CV capabilities

1. Installations on host
   • openface
     • use this repo to build a docker image named as openface_v1.0
     • Flask App will use the built docker to do facial CV processing
   • FFMPEG
     • openface saves the videos with visualizations in .AVI format. For showing in browsers, need convert it to .mp4 by using FFMPEG
   • Flask
2. CV demo for image inputs
   • python app.py
   • visit 127.0.0.1:5000 to use existing images; you can find sample images under images/
   • visit 127.0.0.1:5000/webrtc to use your webcam to capture images
     • note: use Chrome's incognito mode to avoid Flask caching static images
3. CV demo for video (.mp4) inputs
   • python app_video.py
   • visit 127.0.0.1:5000 to use existing .mp4 videos; you can find sample videos under videos/
   • please try short videos to obtain results in a prompt way