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face-api.js

Cautious Crossbill answered on October 8, 2020 Popularity 10/10 Helpfulness 3/10

answer face-api.js

related face api js

face-api.js

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npm i face-api.js canvas @tensorflow/tfjs-node

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: justadudewhohacks.github.io

Tags: javascript

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Contributed on Oct 08 2020

Cautious Crossbill

0 Answers Avg Quality 2/10

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face api js

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// Load the face-api.js models and start the detection
Promise.all([
  faceapi.nets.ssdMobilenetv1.loadFromUri('/models'),
  faceapi.nets.faceLandmark68Net.loadFromUri('/models'),
]).then(startBlinkDetection);

function startBlinkDetection() {
  // Get the video element and start the webcam stream
  const video = document.getElementById('video');

  navigator.mediaDevices.getUserMedia({ video: true })
    .then(function (stream) {
      video.srcObject = stream;
    })
    .catch(function (error) {
      console.log('Error accessing webcam:', error);
    });

  video.addEventListener('play', function () {
    // Create a canvas element to draw the video frames
    const canvas = faceapi.createCanvasFromMedia(video);
    document.body.appendChild(canvas);

    // Resize the canvas to match the video dimensions
    faceapi.matchDimensions(canvas, video);

    setInterval(async function () {
      // Detect faces in the video frames
      const detections = await faceapi.detectAllFaces(video)
        .withFaceLandmarks()
        .withFaceExpressions();

      // Clear the canvas
      const context = canvas.getContext('2d');
      context.clearRect(0, 0, canvas.width, canvas.height);

      // Draw face landmarks and bounding boxes on the canvas
      faceapi.draw.drawFaceLandmarks(canvas, detections);
      faceapi.draw.drawFaceExpressions(canvas, detections);

      // Perform blink detection
      const leftEye = detections[0].landmarks.getLeftEye();
      const rightEye = detections[0].landmarks.getRightEye();

      const eyeAspectRatio = (eye) => {
        const eyeWidth = eye[3].x - eye[0].x;
        const eyeHeight = (eye[4].y + eye[5].y) - (eye[1].y + eye[2].y);
        return eyeHeight / eyeWidth;
      };

      const leftEyeAspectRatio = eyeAspectRatio(leftEye);
      const rightEyeAspectRatio = eyeAspectRatio(rightEye);

      const eyeThreshold = 0.2; // Adjust this value according to your needs

      if (leftEyeAspectRatio < eyeThreshold && rightEyeAspectRatio < eyeThreshold) {
        console.log('Blink detected!');
        // Perform further actions or validation for liveness detection
      }
    }, 100); // Adjust the interval based on your requirements
  });
}

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: chat.openai.com

Tags: face-api face-ap

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Contributed on Jul 21 2023

magesh Jackson

0 Answers Avg Quality 2/10

face api js

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// Load the face-api.js models and start the detection
Promise.all([
  faceapi.nets.ssdMobilenetv1.loadFromUri('/models'),
  faceapi.nets.faceLandmark68Net.loadFromUri('/models'),
]).then(startBlinkDetection);

function startBlinkDetection() {
  // Get the video element and start the webcam stream
  const video = document.getElementById('video');

  navigator.mediaDevices.getUserMedia({ video: true })
    .then(function (stream) {
      video.srcObject = stream;
    })
    .catch(function (error) {
      console.log('Error accessing webcam:', error);
    });

  video.addEventListener('play', function () {
    // Create a canvas element to draw the video frames
    const canvas = faceapi.createCanvasFromMedia(video);
    document.body.appendChild(canvas);

    // Resize the canvas to match the video dimensions
    faceapi.matchDimensions(canvas, video);

    setInterval(async function () {
      // Detect faces in the video frames
      const detections = await faceapi.detectAllFaces(video)
        .withFaceLandmarks()
        .withFaceExpressions();

      // Clear the canvas
      const context = canvas.getContext('2d');
      context.clearRect(0, 0, canvas.width, canvas.height);

      // Draw face landmarks and bounding boxes on the canvas
      faceapi.draw.drawFaceLandmarks(canvas, detections);
      faceapi.draw.drawFaceExpressions(canvas, detections);

      // Perform blink detection
      const leftEye = detections[0].landmarks.getLeftEye();
      const rightEye = detections[0].landmarks.getRightEye();

      const eyeAspectRatio = (eye) => {
        const eyeWidth = eye[3].x - eye[0].x;
        const eyeHeight = (eye[4].y + eye[5].y) - (eye[1].y + eye[2].y);
        return eyeHeight / eyeWidth;
      };

      const leftEyeAspectRatio = eyeAspectRatio(leftEye);
      const rightEyeAspectRatio = eyeAspectRatio(rightEye);

      const eyeThreshold = 0.2; // Adjust this value according to your needs

      if (leftEyeAspectRatio < eyeThreshold && rightEyeAspectRatio < eyeThreshold) {
        console.log('Blink detected!');
        // Perform further actions or validation for liveness detection
      }
    }, 100); // Adjust the interval based on your requirements
  });
}

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: chat.openai.com

Tags: face-api face-ap

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Contributed on Jul 21 2023

magesh Jackson

0 Answers Avg Quality 2/10

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