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February 5, 2022 07:23
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Mediapipe: Face Mesh
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>Face mesh</title> | |
| <script | |
| src="https://cdn.jsdelivr.net/npm/@mediapipe/[email protected]/camera_utils.js" | |
| crossorigin="anonymous" | |
| ></script> | |
| <script | |
| src="https://cdn.jsdelivr.net/npm/@mediapipe/[email protected]/control_utils.js" | |
| crossorigin="anonymous" | |
| ></script> | |
| <script | |
| src="https://cdn.jsdelivr.net/npm/@mediapipe/[email protected]/drawing_utils.js" | |
| crossorigin="anonymous" | |
| ></script> | |
| <script | |
| src="https://cdn.jsdelivr.net/npm/@mediapipe/[email protected]/face_mesh.js" | |
| crossorigin="anonymous" | |
| ></script> | |
| </head> | |
| <body> | |
| <style> | |
| .container { | |
| position: absolute; | |
| top: 50%; | |
| left: 50%; | |
| -moz-transform: translateX(-50%) translateY(-50%); | |
| -webkit-transform: translateX(-50%) translateY(-50%); | |
| transform: translateX(-50%) translateY(-50%); | |
| text-align: center; | |
| } | |
| </style> | |
| <div class="container"> | |
| <h2>Mediapipe: Face mesh</h2> | |
| <canvas id="output" width="640px" height="480px"></canvas> | |
| </div> | |
| <script> | |
| const video = document.createElement("video"); | |
| const output = document.getElementById("output"); | |
| const canvasContext = output.getContext("2d"); | |
| function onResultsFaceMesh(results) { | |
| canvasContext.save(); | |
| canvasContext.clearRect(0, 0, output.width, output.height); | |
| canvasContext.drawImage( | |
| results.image, | |
| 0, | |
| 0, | |
| output.width, | |
| output.height | |
| ); | |
| if (results.multiFaceLandmarks) { | |
| for (const landmarks of results.multiFaceLandmarks) { | |
| drawConnectors(canvasContext, landmarks, FACEMESH_TESSELATION, { | |
| color: "#C0C0C070", | |
| lineWidth: 1, | |
| }); | |
| drawConnectors(canvasContext, landmarks, FACEMESH_RIGHT_EYE, { | |
| color: "#FF3030", | |
| }); | |
| drawConnectors(canvasContext, landmarks, FACEMESH_RIGHT_EYEBROW, { | |
| color: "#FF3030", | |
| }); | |
| drawConnectors(canvasContext, landmarks, FACEMESH_LEFT_EYE, { | |
| color: "#30FF30", | |
| }); | |
| drawConnectors(canvasContext, landmarks, FACEMESH_LEFT_EYEBROW, { | |
| color: "#30FF30", | |
| }); | |
| drawConnectors(canvasContext, landmarks, FACEMESH_FACE_OVAL, { | |
| color: "#E0E0E0", | |
| }); | |
| drawConnectors(canvasContext, landmarks, FACEMESH_LIPS, { | |
| color: "#E0E0E0", | |
| }); | |
| } | |
| } | |
| canvasContext.restore(); | |
| } | |
| const faceMesh = new FaceMesh({ | |
| locateFile: (file) => { | |
| return `https://cdn.jsdelivr.net/npm/@mediapipe/[email protected]/${file}`; | |
| }, | |
| }); | |
| faceMesh.onResults(onResultsFaceMesh); | |
| const camera = new Camera(video, { | |
| onFrame: async () => { | |
| await faceMesh.send({ image: video }); | |
| }, | |
| width: 640, | |
| height: 480, | |
| }); | |
| camera.start(); | |
| new ControlPanel(document.createElement("div"), { | |
| selfieMode: true, | |
| maxNumFaces: 1, | |
| minDetectionConfidence: 0.5, | |
| minTrackingConfidence: 0.5, | |
| }).on((options) => { | |
| video.classList.toggle("selfie", options.selfieMode); | |
| faceMesh.setOptions(options); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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