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December 1, 2023 12:27
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Face Detection using Google Chrome API (Experimental)
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| const detectFace = () => { | |
| if(!window.FaceDetector) return console.log('Unsupported Version or Feature is not enabled') | |
| const img = document.querySelector('#targetImg'); | |
| const faceDetector = new FaceDetector(); | |
| const scale = img.width / img.naturalWidth; | |
| faceDetector | |
| .detect(img) | |
| .then(faces => | |
| faces.map(face => face.boundingBox) | |
| ) | |
| .then(faceBoxes => { | |
| faceBoxes.forEach(faceBox => { | |
| const { | |
| height, width, top, left | |
| } = faceBox; | |
| const div = drawFaceBox( | |
| height, width, top, left, scale | |
| ); | |
| img.parentElement.appendChild(div); | |
| }); | |
| }) | |
| .catch(err => console.log(err)); | |
| }; | |
| const drawFaceBox = (height, width, top, left, scale) => { | |
| const div = document.createElement('div'); | |
| div.className = 'face-box'; | |
| div.style.cssText = ` | |
| top: ${top * scale}px; | |
| left: ${left * scale}px; | |
| height: ${height * scale}px; | |
| width: ${width * scale}px; | |
| `; | |
| return div; | |
| }; | |
| const clearFaceBox = () => { | |
| [...document.getElementsByClassName('face-box')].forEach(e => e.remove()); | |
| }; | |
| window.onload = () => { | |
| clearFaceBox(); | |
| detectFace(); | |
| }; | |
| window.onresize = () => { | |
| clearFaceBox(); | |
| detectFace(); | |
| }; |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>Face Detection</title> | |
| <link rel="stylesheet" href="style.css"> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <div id="imageContainer" class="images"> | |
| <img id="targetImg" class="image" src="<Image URL>" alt=""> | |
| </div> | |
| </div> | |
| <script src="face-detection-chrome-api.js"></script> | |
| </body> | |
| </html> |
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| *, | |
| *::after, | |
| *::before { | |
| margin: 0; | |
| padding: 0; | |
| box-sizing: border-box; | |
| } | |
| body { | |
| overflow-x: hidden; | |
| } | |
| .container { | |
| width: 90%; | |
| margin: auto; | |
| } | |
| #imageContainer { | |
| position: relative; | |
| } | |
| .image { | |
| height: 100%; | |
| width: 100%; | |
| } | |
| .face-box { | |
| position: absolute; | |
| display: inline-block; | |
| min-width: 25px; | |
| min-height: 25px; | |
| border: 3px solid rgb(241, 21, 21); | |
| } |
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