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script.js
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script.js
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const video = document.getElementById('video');
// execute all async calls parallel
Promise.all([
faceapi.nets.tinyFaceDetector.loadFromUri('./models'),
faceapi.nets.faceLandmark68Net.loadFromUri('./models'),
faceapi.nets.faceRecognitionNet.loadFromUri('./models'),
faceapi.nets.faceExpressionNet.loadFromUri('./models')
]).then(startVideo);
function startVideo(){
navigator.getUserMedia(
{ video : {} },
stream => video.srcObject = stream,
err => console.error(err)
);
}
video.addEventListener('play', () => {
const canvas = faceapi.createCanvasFromMedia(video);
document.body.append(canvas);
const displaySize = {width: video.width, height: video.height};
faceapi.matchDimensions(canvas, displaySize);
setInterval(async () => {
const detections = await faceapi.detectAllFaces(video,
new faceapi.TinyFaceDetectorOptions()).withFaceLandmarks().withFaceExpressions();
const resizedDetections = faceapi.resizeResults(detections, displaySize);
canvas.getContext('2d').clearRect(0, 0, canvas.width, canvas.height);
faceapi.draw.drawDetections(canvas, resizedDetections);
faceapi.draw.drawFaceLandmarks(canvas, resizedDetections);
faceapi.draw.drawFaceExpressions(canvas, resizedDetections);
}, 100);
})