mirror of https://github.com/vladmandic/human
modularized draw
Vladimir Mandic
parent
e1c2d99628
commit
12de5a71b5
189
demo/browser.js
189
demo/browser.js
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@ -1,6 +1,7 @@
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/* global QuickSettings */
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import human from '../dist/human.esm.js';
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import draw from './draw.js';
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const ui = {
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baseColor: 'rgba(255, 200, 255, 0.3)',
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@ -11,8 +12,14 @@ const ui = {
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columns: 3,
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busy: false,
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facing: 'user',
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useWorker: false,
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worker: 'worker.js',
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samples: ['../assets/sample1.jpg', '../assets/sample2.jpg', '../assets/sample3.jpg', '../assets/sample4.jpg', '../assets/sample5.jpg', '../assets/sample6.jpg'],
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drawBoxes: true,
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drawPoints: false,
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drawPolygons: true,
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fillPolygons: true,
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useDepth: true,
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};
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const config = {
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@ -50,169 +57,6 @@ const log = (...msg) => {
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if (config.console) console.log(...msg);
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};
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async function drawFace(result, canvas) {
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if (!result) return;
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const ctx = canvas.getContext('2d');
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for (const face of result) {
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ctx.font = ui.baseFont;
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ctx.strokeStyle = ui.baseColor;
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ctx.fillStyle = ui.baseColor;
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ctx.lineWidth = ui.baseLineWidth;
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ctx.beginPath();
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if (settings.getValue('Draw Boxes')) {
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ctx.rect(face.box[0], face.box[1], face.box[2], face.box[3]);
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}
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// silly hack since fillText does not suport new line
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const labels = [];
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if (face.agConfidence) labels.push(`${Math.trunc(100 * face.agConfidence)}% ${face.gender || ''}`);
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if (face.age) labels.push(`Age:${face.age || ''}`);
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if (face.iris) labels.push(`iris: ${face.iris}`);
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if (face.emotion && face.emotion[0]) labels.push(`${Math.trunc(100 * face.emotion[0].score)}% ${face.emotion[0].emotion}`);
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ctx.fillStyle = ui.baseLabel;
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for (const i in labels) ctx.fillText(labels[i], face.box[0] + 6, face.box[1] + 24 + ((i + 1) * ui.baseLineHeight));
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ctx.stroke();
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ctx.lineWidth = 1;
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if (face.mesh) {
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if (settings.getValue('Draw Points')) {
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for (const point of face.mesh) {
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ctx.fillStyle = `rgba(${127.5 + (2 * point[2])}, ${127.5 - (2 * point[2])}, 255, 0.5)`;
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ctx.beginPath();
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ctx.arc(point[0], point[1], 2, 0, 2 * Math.PI);
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ctx.fill();
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}
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}
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if (settings.getValue('Draw Polygons')) {
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for (let i = 0; i < human.facemesh.triangulation.length / 3; i++) {
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const points = [
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human.facemesh.triangulation[i * 3 + 0],
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human.facemesh.triangulation[i * 3 + 1],
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human.facemesh.triangulation[i * 3 + 2],
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].map((index) => face.mesh[index]);
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const path = new Path2D();
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path.moveTo(points[0][0], points[0][1]);
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for (const point of points) {
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path.lineTo(point[0], point[1]);
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}
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path.closePath();
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ctx.strokeStyle = `rgba(${127.5 + (2 * points[0][2])}, ${127.5 - (2 * points[0][2])}, 255, 0.3)`;
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ctx.stroke(path);
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if (settings.getValue('Fill Polygons')) {
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ctx.fillStyle = `rgba(${127.5 + (2 * points[0][2])}, ${127.5 - (2 * points[0][2])}, 255, 0.3)`;
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ctx.fill(path);
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}
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}
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}
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}
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}
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}
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async function drawBody(result, canvas) {
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if (!result) return;
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const ctx = canvas.getContext('2d');
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for (const pose of result) {
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ctx.fillStyle = ui.baseColor;
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ctx.strokeStyle = ui.baseColor;
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ctx.font = ui.baseFont;
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ctx.lineWidth = ui.baseLineWidth;
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if (settings.getValue('Draw Points')) {
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for (const point of pose.keypoints) {
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ctx.beginPath();
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ctx.arc(point.position.x, point.position.y, 2, 0, 2 * Math.PI);
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ctx.fill();
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}
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}
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if (settings.getValue('Draw Polygons')) {
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const path = new Path2D();
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let part;
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// torso
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part = pose.keypoints.find((a) => a.part === 'leftShoulder');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightShoulder');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightHip');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftHip');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftShoulder');
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path.lineTo(part.position.x, part.position.y);
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// legs
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part = pose.keypoints.find((a) => a.part === 'leftHip');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftKnee');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftAnkle');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightHip');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightKnee');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightAnkle');
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path.lineTo(part.position.x, part.position.y);
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// arms
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part = pose.keypoints.find((a) => a.part === 'leftShoulder');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftElbow');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftWrist');
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path.lineTo(part.position.x, part.position.y);
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// arms
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part = pose.keypoints.find((a) => a.part === 'rightShoulder');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightElbow');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightWrist');
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path.lineTo(part.position.x, part.position.y);
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// draw all
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ctx.stroke(path);
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}
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}
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}
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async function drawHand(result, canvas) {
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if (!result) return;
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const ctx = canvas.getContext('2d');
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for (const hand of result) {
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ctx.font = ui.baseFont;
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ctx.lineWidth = ui.baseLineWidth;
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if (settings.getValue('Draw Boxes')) {
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ctx.lineWidth = ui.baseLineWidth;
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ctx.beginPath();
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ctx.strokeStyle = ui.baseColor;
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ctx.fillStyle = ui.baseColor;
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ctx.rect(hand.box[0], hand.box[1], hand.box[2], hand.box[3]);
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ctx.fillStyle = ui.baseLabel;
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ctx.fillText('hand', hand.box[0] + 2, hand.box[1] + 22, hand.box[2]);
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ctx.stroke();
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}
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if (settings.getValue('Draw Points')) {
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for (const point of hand.landmarks) {
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ctx.fillStyle = `rgba(${127.5 + (2 * point[2])}, ${127.5 - (2 * point[2])}, 255, 0.5)`;
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ctx.beginPath();
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ctx.arc(point[0], point[1], 2, 0, 2 * Math.PI);
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ctx.fill();
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}
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}
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if (settings.getValue('Draw Polygons')) {
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const addPart = (part) => {
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for (let i = 1; i < part.length; i++) {
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ctx.lineWidth = ui.baseLineWidth;
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ctx.beginPath();
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ctx.strokeStyle = `rgba(${127.5 + (2 * part[i][2])}, ${127.5 - (2 * part[i][2])}, 255, 0.5)`;
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ctx.moveTo(part[i - 1][0], part[i - 1][1]);
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ctx.lineTo(part[i][0], part[i][1]);
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ctx.stroke();
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}
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};
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addPart(hand.annotations.indexFinger);
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addPart(hand.annotations.middleFinger);
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addPart(hand.annotations.ringFinger);
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addPart(hand.annotations.pinky);
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addPart(hand.annotations.thumb);
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addPart(hand.annotations.palmBase);
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}
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}
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}
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async function drawResults(input, result, canvas) {
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// update fps
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settings.setValue('FPS', Math.round(1000 / (performance.now() - timeStamp)));
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@ -227,9 +71,9 @@ async function drawResults(input, result, canvas) {
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const ctx = canvas.getContext('2d');
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ctx.drawImage(input, 0, 0, input.width, input.height, 0, 0, canvas.width, canvas.height);
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// draw all results
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drawFace(result.face, canvas);
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drawBody(result.body, canvas);
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drawHand(result.hand, canvas);
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draw.face(result.face, canvas, ui, human.facemesh.triangulation);
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draw.body(result.body, canvas, ui);
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draw.hand(result.hand, canvas, ui);
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// update log
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const engine = await human.tf.engine();
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const memory = `${engine.state.numBytes.toLocaleString()} bytes ${engine.state.numDataBuffers.toLocaleString()} buffers ${engine.state.numTensors.toLocaleString()} tensors`;
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@ -264,7 +108,7 @@ async function runHumanDetect(input, canvas) {
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setTimeout(() => runHumanDetect(input, canvas), 500);
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return;
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}
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if (settings.getValue('Use Web Worker')) {
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if (ui.useWorker) {
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// get image data from video as we cannot send html objects to webworker
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const offscreen = new OffscreenCanvas(canvas.width, canvas.height);
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const ctx = offscreen.getContext('2d');
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@ -453,15 +297,16 @@ function setupUI() {
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config.hand.iouThreshold = parseFloat(val);
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});
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settings.addHTML('title', 'UI Options'); settings.hideTitle('title');
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settings.addBoolean('Use Web Worker', false);
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settings.addBoolean('Use Web Worker', ui.useWorker, (val) => ui.useWorker = val);
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settings.addBoolean('Camera Front/Back', true, (val) => {
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ui.facing = val ? 'user' : 'environment';
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setupCamera();
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});
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settings.addBoolean('Draw Boxes', true);
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settings.addBoolean('Draw Points', true);
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settings.addBoolean('Draw Polygons', true);
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settings.addBoolean('Fill Polygons', true);
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settings.addBoolean('Use 3D Depth', ui.useDepth, (val) => ui.useDepth = val);
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settings.addBoolean('Draw Boxes', ui.drawBoxes, (val) => ui.drawBoxes = val);
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settings.addBoolean('Draw Points', ui.drawPoints, (val) => ui.drawPoints = val);
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settings.addBoolean('Draw Polygons', ui.drawPolygons, (val) => ui.drawPolygons = val);
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settings.addBoolean('Fill Polygons', ui.fillPolygons, (val) => ui.fillPolygons = val);
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settings.addHTML('line1', '<hr>'); settings.hideTitle('line1');
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settings.addRange('FPS', 0, 100, 0, 1);
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}
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@ -0,0 +1,170 @@
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async function drawFace(result, canvas, ui, triangulation) {
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if (!result) return;
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const ctx = canvas.getContext('2d');
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for (const face of result) {
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ctx.font = ui.baseFont;
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ctx.strokeStyle = ui.baseColor;
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ctx.fillStyle = ui.baseColor;
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ctx.lineWidth = ui.baseLineWidth;
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ctx.beginPath();
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if (ui.drawBoxes) {
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ctx.rect(face.box[0], face.box[1], face.box[2], face.box[3]);
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}
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// silly hack since fillText does not suport new line
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const labels = [];
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if (face.agConfidence) labels.push(`${Math.trunc(100 * face.agConfidence)}% ${face.gender || ''}`);
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if (face.age) labels.push(`Age:${face.age || ''}`);
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if (face.iris) labels.push(`iris: ${face.iris}`);
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if (face.emotion && face.emotion[0]) labels.push(`${Math.trunc(100 * face.emotion[0].score)}% ${face.emotion[0].emotion}`);
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ctx.fillStyle = ui.baseLabel;
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for (const i in labels) ctx.fillText(labels[i], face.box[0] + 6, face.box[1] + 24 + ((i + 1) * ui.baseLineHeight));
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ctx.stroke();
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ctx.lineWidth = 1;
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if (face.mesh) {
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if (ui.drawPoints) {
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for (const point of face.mesh) {
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ctx.fillStyle = ui.useDepth ? `rgba(${127.5 + (2 * point[2])}, ${127.5 - (2 * point[2])}, 255, 0.5)` : ui.baseColor;
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ctx.beginPath();
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ctx.arc(point[0], point[1], 2, 0, 2 * Math.PI);
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ctx.fill();
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}
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}
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if (ui.drawPolygons) {
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for (let i = 0; i < triangulation.length / 3; i++) {
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const points = [
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triangulation[i * 3 + 0],
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triangulation[i * 3 + 1],
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triangulation[i * 3 + 2],
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].map((index) => face.mesh[index]);
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const path = new Path2D();
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path.moveTo(points[0][0], points[0][1]);
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for (const point of points) {
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path.lineTo(point[0], point[1]);
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}
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path.closePath();
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ctx.strokeStyle = ui.useDepth ? `rgba(${127.5 + (2 * points[0][2])}, ${127.5 - (2 * points[0][2])}, 255, 0.3)` : ui.baseColor;
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ctx.stroke(path);
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if (ui.fillPolygons) {
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ctx.fillStyle = ui.useDepth ? `rgba(${127.5 + (2 * points[0][2])}, ${127.5 - (2 * points[0][2])}, 255, 0.3)` : ui.baseColor;
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ctx.fill(path);
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}
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}
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}
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}
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}
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}
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async function drawBody(result, canvas, ui) {
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if (!result) return;
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const ctx = canvas.getContext('2d');
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for (const pose of result) {
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ctx.fillStyle = ui.baseColor;
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ctx.strokeStyle = ui.baseColor;
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ctx.font = ui.baseFont;
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ctx.lineWidth = ui.baseLineWidth;
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if (ui.drawPoints) {
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for (const point of pose.keypoints) {
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ctx.beginPath();
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ctx.arc(point.position.x, point.position.y, 2, 0, 2 * Math.PI);
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ctx.fill();
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}
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}
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if (ui.drawPolygons) {
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const path = new Path2D();
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let part;
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// torso
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part = pose.keypoints.find((a) => a.part === 'leftShoulder');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightShoulder');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightHip');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftHip');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftShoulder');
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path.lineTo(part.position.x, part.position.y);
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// legs
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part = pose.keypoints.find((a) => a.part === 'leftHip');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftKnee');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftAnkle');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightHip');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightKnee');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightAnkle');
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path.lineTo(part.position.x, part.position.y);
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// arms
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part = pose.keypoints.find((a) => a.part === 'leftShoulder');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftElbow');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'leftWrist');
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path.lineTo(part.position.x, part.position.y);
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// arms
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part = pose.keypoints.find((a) => a.part === 'rightShoulder');
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path.moveTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightElbow');
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path.lineTo(part.position.x, part.position.y);
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part = pose.keypoints.find((a) => a.part === 'rightWrist');
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path.lineTo(part.position.x, part.position.y);
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// draw all
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ctx.stroke(path);
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}
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}
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}
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async function drawHand(result, canvas, ui) {
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if (!result) return;
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const ctx = canvas.getContext('2d');
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for (const hand of result) {
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ctx.font = ui.baseFont;
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ctx.lineWidth = ui.baseLineWidth;
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if (ui.drawBoxes) {
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ctx.lineWidth = ui.baseLineWidth;
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ctx.beginPath();
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ctx.strokeStyle = ui.baseColor;
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ctx.fillStyle = ui.baseColor;
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ctx.rect(hand.box[0], hand.box[1], hand.box[2], hand.box[3]);
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ctx.fillStyle = ui.baseLabel;
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ctx.fillText('hand', hand.box[0] + 2, hand.box[1] + 22, hand.box[2]);
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ctx.stroke();
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}
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if (ui.drawPoints) {
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for (const point of hand.landmarks) {
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||||
ctx.fillStyle = ui.useDepth ? `rgba(${127.5 + (2 * point[2])}, ${127.5 - (2 * point[2])}, 255, 0.5)` : ui.baseColor;
|
||||
ctx.beginPath();
|
||||
ctx.arc(point[0], point[1], 2, 0, 2 * Math.PI);
|
||||
ctx.fill();
|
||||
}
|
||||
}
|
||||
if (ui.drawPolygons) {
|
||||
const addPart = (part) => {
|
||||
for (let i = 1; i < part.length; i++) {
|
||||
ctx.lineWidth = ui.baseLineWidth;
|
||||
ctx.beginPath();
|
||||
ctx.strokeStyle = ui.useDepth ? `rgba(${127.5 + (2 * part[i][2])}, ${127.5 - (2 * part[i][2])}, 255, 0.5)` : ui.baseColor;
|
||||
ctx.moveTo(part[i - 1][0], part[i - 1][1]);
|
||||
ctx.lineTo(part[i][0], part[i][1]);
|
||||
ctx.stroke();
|
||||
}
|
||||
};
|
||||
addPart(hand.annotations.indexFinger);
|
||||
addPart(hand.annotations.middleFinger);
|
||||
addPart(hand.annotations.ringFinger);
|
||||
addPart(hand.annotations.pinky);
|
||||
addPart(hand.annotations.thumb);
|
||||
addPart(hand.annotations.palmBase);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const draw = {
|
||||
face: drawFace,
|
||||
body: drawBody,
|
||||
hand: drawHand,
|
||||
};
|
||||
|
||||
export default draw;
|
||||
Loading…
Reference in New Issue