modularized draw

pull/50/head
Vladimir Mandic 2020-10-17 07:34:45 -04:00
parent e1c2d99628
commit 12de5a71b5
2 changed files with 187 additions and 172 deletions

View File

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

170
demo/draw.js Normal file
View File

@ -0,0 +1,170 @@
async function drawFace(result, canvas, ui, triangulation) {
if (!result) return;
const ctx = canvas.getContext('2d');
for (const face of result) {
ctx.font = ui.baseFont;
ctx.strokeStyle = ui.baseColor;
ctx.fillStyle = ui.baseColor;
ctx.lineWidth = ui.baseLineWidth;
ctx.beginPath();
if (ui.drawBoxes) {
ctx.rect(face.box[0], face.box[1], face.box[2], face.box[3]);
}
// silly hack since fillText does not suport new line
const labels = [];
if (face.agConfidence) labels.push(`${Math.trunc(100 * face.agConfidence)}% ${face.gender || ''}`);
if (face.age) labels.push(`Age:${face.age || ''}`);
if (face.iris) labels.push(`iris: ${face.iris}`);
if (face.emotion && face.emotion[0]) labels.push(`${Math.trunc(100 * face.emotion[0].score)}% ${face.emotion[0].emotion}`);
ctx.fillStyle = ui.baseLabel;
for (const i in labels) ctx.fillText(labels[i], face.box[0] + 6, face.box[1] + 24 + ((i + 1) * ui.baseLineHeight));
ctx.stroke();
ctx.lineWidth = 1;
if (face.mesh) {
if (ui.drawPoints) {
for (const point of face.mesh) {
ctx.fillStyle = ui.useDepth ? `rgba(${127.5 + (2 * point[2])}, ${127.5 - (2 * point[2])}, 255, 0.5)` : ui.baseColor;
ctx.beginPath();
ctx.arc(point[0], point[1], 2, 0, 2 * Math.PI);
ctx.fill();
}
}
if (ui.drawPolygons) {
for (let i = 0; i < triangulation.length / 3; i++) {
const points = [
triangulation[i * 3 + 0],
triangulation[i * 3 + 1],
triangulation[i * 3 + 2],
].map((index) => face.mesh[index]);
const path = new Path2D();
path.moveTo(points[0][0], points[0][1]);
for (const point of points) {
path.lineTo(point[0], point[1]);
}
path.closePath();
ctx.strokeStyle = ui.useDepth ? `rgba(${127.5 + (2 * points[0][2])}, ${127.5 - (2 * points[0][2])}, 255, 0.3)` : ui.baseColor;
ctx.stroke(path);
if (ui.fillPolygons) {
ctx.fillStyle = ui.useDepth ? `rgba(${127.5 + (2 * points[0][2])}, ${127.5 - (2 * points[0][2])}, 255, 0.3)` : ui.baseColor;
ctx.fill(path);
}
}
}
}
}
}
async function drawBody(result, canvas, ui) {
if (!result) return;
const ctx = canvas.getContext('2d');
for (const pose of result) {
ctx.fillStyle = ui.baseColor;
ctx.strokeStyle = ui.baseColor;
ctx.font = ui.baseFont;
ctx.lineWidth = ui.baseLineWidth;
if (ui.drawPoints) {
for (const point of pose.keypoints) {
ctx.beginPath();
ctx.arc(point.position.x, point.position.y, 2, 0, 2 * Math.PI);
ctx.fill();
}
}
if (ui.drawPolygons) {
const path = new Path2D();
let part;
// torso
part = pose.keypoints.find((a) => a.part === 'leftShoulder');
path.moveTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'rightShoulder');
path.lineTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'rightHip');
path.lineTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'leftHip');
path.lineTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'leftShoulder');
path.lineTo(part.position.x, part.position.y);
// legs
part = pose.keypoints.find((a) => a.part === 'leftHip');
path.moveTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'leftKnee');
path.lineTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'leftAnkle');
path.lineTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'rightHip');
path.moveTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'rightKnee');
path.lineTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'rightAnkle');
path.lineTo(part.position.x, part.position.y);
// arms
part = pose.keypoints.find((a) => a.part === 'leftShoulder');
path.moveTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'leftElbow');
path.lineTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'leftWrist');
path.lineTo(part.position.x, part.position.y);
// arms
part = pose.keypoints.find((a) => a.part === 'rightShoulder');
path.moveTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'rightElbow');
path.lineTo(part.position.x, part.position.y);
part = pose.keypoints.find((a) => a.part === 'rightWrist');
path.lineTo(part.position.x, part.position.y);
// draw all
ctx.stroke(path);
}
}
}
async function drawHand(result, canvas, ui) {
if (!result) return;
const ctx = canvas.getContext('2d');
for (const hand of result) {
ctx.font = ui.baseFont;
ctx.lineWidth = ui.baseLineWidth;
if (ui.drawBoxes) {
ctx.lineWidth = ui.baseLineWidth;
ctx.beginPath();
ctx.strokeStyle = ui.baseColor;
ctx.fillStyle = ui.baseColor;
ctx.rect(hand.box[0], hand.box[1], hand.box[2], hand.box[3]);
ctx.fillStyle = ui.baseLabel;
ctx.fillText('hand', hand.box[0] + 2, hand.box[1] + 22, hand.box[2]);
ctx.stroke();
}
if (ui.drawPoints) {
for (const point of hand.landmarks) {
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;