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sketch.js
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sketch.js
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const isFlipped = true;
let segmentMask;
let segmentImage;
let videoImage;
const videoElement = document.getElementsByClassName("input_video")[0];
videoElement.style.display = "none";
function onSelfieSegmentationResults(results) {
segmentMask = results.segmentationMask;
segmentImage = results.image;
}
const selfieSegmentation = new SelfieSegmentation({
locateFile: (file) => {
return `https://cdn.jsdelivr.net/npm/@mediapipe/selfie_segmentation@0.1/${file}`;
},
});
selfieSegmentation.setOptions({
modelSelection: 1,
});
selfieSegmentation.onResults(onSelfieSegmentationResults);
const camera = new Camera(videoElement, {
onFrame: async () => {
await selfieSegmentation.send({ image: videoElement });
},
width: 640,
height: 360,
});
camera.start();
function setup() {
createCanvas(640, 360);
videoImage = createGraphics(640, 360);
}
function draw() {
background(0);
if (segmentImage && segmentMask) {
videoImage.drawingContext.save();
videoImage.drawingContext.clearRect(0, 0, 640, 360);
videoImage.drawingContext.drawImage(
segmentMask,
0,
0,
640,
360
);
videoImage.drawingContext.globalCompositeOperation = 'source-in';
videoImage.drawingContext.drawImage(
segmentImage,
0,
0,
640,
360
);
videoImage.drawingContext.restore();
}
push();
if (isFlipped) {
translate(width, 0);
scale(-1, 1);
}
displayWidth = width;
displayHeight = (width * videoImage.height) / videoImage.width;
image(videoImage, 0, 0, displayWidth, displayHeight);
pop();
}