It is a realtime face detector, more information can be found here https://github.com/justadudewhohacks/face-api.js/#tiny-face-detector.
### Face Expression Recognition Model
It is a models that recognizes face expressions, more information can be found here https://github.com/justadudewhohacks/face-api.js/#face-expression-recognition-model.
Both models are loaded using face-api.js which is a JavaScript face recognition API for the browser and nodejs implemented on top of tensorflow.js core.
Depending on the browser and hardware acceleration available the tensorflow.js will use a webgl backend of a cpu backend.
## LICENSE
The models were both downloaded from the face-api.js repository, https://github.com/justadudewhohacks/face-api.js/, and they can be found in this folder https://github.com/justadudewhohacks/face-api.js/tree/master/weights.
The repository has a MIT License. More information can be found here https://github.com/justadudewhohacks/face-api.js/blob/master/LICENSE.