added multithreaded demo

2021-06-14 10:23:06 -04:00 · 2021-06-14 10:23:06 -04:00 · 886d5f0189
parent a601f589de
commit 886d5f0189
17 changed files with 747 additions and 407 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -1,6 +1,6 @@
 # @vladmandic/human  

-Version: **2.0.1**  
+Version: **2.0.2**  
 Description: **Human: AI-powered 3D Face Detection & Rotation Tracking, Face Description & Recognition, Body Pose Tracking, 3D Hand & Finger Tracking, Iris Analysis, Age & Gender & Emotion Prediction, Gesture Recognition**  

 Author: **Vladimir Mandic <mandic00@live.com>**  
@ -9,8 +9,12 @@ Repository: **<git+https://github.com/vladmandic/human.git>**

 ## Changelog

-### **HEAD -> main** 2021/06/11 mandic00@live.com
+### **2.0.2** 2021/06/14 mandic00@live.com

+
+### **origin/main** 2021/06/14 mandic00@live.com
+
+- fix centernet box width & height
 - add body segmentation sample

 ### **release: 2.0.1** 2021/06/08 mandic00@live.com
--- a/README.md
+++ b/README.md
@ -43,6 +43,7 @@ Check out [**Live Demo**](https://vladmandic.github.io/human/demo/index.html) ap
 - [**Main Application**](https://vladmandic.github.io/human/demo/index.html)
 - [**Face Extraction, Description, Identification and Matching**](https://vladmandic.github.io/human/demo/facematch/index.html)
 - [**Face Extraction and 3D Rendering**](https://vladmandic.github.io/human/demo/face3d/index.html)
+- [**Multithreaded Detection Showcasing Maximum Performance**](https://vladmandic.github.io/human/demo/multithread/index.html)
 - [**Details on Demo Applications**](https://github.com/vladmandic/human/wiki/Demos)

 ## Project pages
--- a/demo/multithread/index.html
+++ b/demo/multithread/index.html
@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Human</title>
+    <meta name="viewport" content="width=device-width" id="viewport">
+    <meta name="keywords" content="Human">
+    <meta name="application-name" content="Human">
+    <meta name="description" content="Human: 3D Face Detection, Body Pose, Hand & Finger Tracking, Iris Tracking, Age & Gender Prediction, Emotion Prediction & Gesture Recognition; Author: Vladimir Mandic <https://github.com/vladmandic>">
+    <meta name="msapplication-tooltip" content="Human: 3D Face Detection, Body Pose, Hand & Finger Tracking, Iris Tracking, Age & Gender Prediction, Emotion Prediction & Gesture Recognition; Author: Vladimir Mandic <https://github.com/vladmandic>">
+    <meta name="theme-color" content="#000000">
+    <link rel="manifest" href="../manifest.webmanifest">
+    <link rel="shortcut icon" href="../../favicon.ico" type="image/x-icon">
+    <link rel="apple-touch-icon" href="../../assets/icon.png">
+    <script src="multithread/index.js" type="module"></script>
+    <style>
+      @font-face { font-family: 'Lato'; font-display: swap; font-style: normal; font-weight: 100; src: local('Lato'), url('../assets/lato-light.woff2') }
+      html { font-family: 'Lato', 'Segoe UI'; font-size: 16px; font-variant: small-caps; }
+      body { margin: 0; background: black; color: white; overflow-x: hidden; width: 100vw; height: 100vh; }
+      body::-webkit-scrollbar { display: none; }
+      .status { position: absolute; width: 100vw; bottom: 10%; text-align: center; font-size: 3rem; font-weight: 100; text-shadow: 2px 2px #303030; }
+      .log { position: absolute; bottom: 0; margin: 0.4rem 0.4rem 0 0.4rem; font-size: 0.9rem; }
+      .video { display: none; }
+      .canvas { margin: 0 auto; }
+    </style>
+  </head>
+  <body>
+    <div id="status" class="status"></div>
+    <canvas id="canvas" class="canvas"></canvas>
+    <video id="video" playsinline class="video"></video>
+    <div id="log" class="log"></div>
+  </body>
+</html>
--- a/demo/multithread/index.js
+++ b/demo/multithread/index.js
@ -0,0 +1,268 @@
+/**
+ * Human demo for browsers
+ *
+ * @description Demo app that enables all Human modules and runs them in separate worker threads
+ *
+ */
+// @ts-nocheck // typescript checks disabled as this is pure javascript
+
+import Human from '../../dist/human.esm.js'; // equivalent of @vladmandic/human
+import GLBench from '../helpers/gl-bench.js';
+
+const workerJS = 'multithread/worker.js';
+
+const config = {
+  main: { // processes input and runs gesture analysis
+    warmup: 'none',
+    backend: 'humangl',
+    modelBasePath: '../../models/',
+    async: false,
+    filter: { enabled: true },
+    face: { enabled: false },
+    object: { enabled: false },
+    gesture: { enabled: true },
+    hand: { enabled: false },
+    body: { enabled: false },
+    segmentation: { enabled: false },
+  },
+  face: { // runs all face models
+    warmup: 'none',
+    backend: 'humangl',
+    modelBasePath: '../../models/',
+    async: false,
+    filter: { enabled: false },
+    face: { enabled: true },
+    object: { enabled: false },
+    gesture: { enabled: false },
+    hand: { enabled: false },
+    body: { enabled: false },
+    segmentation: { enabled: false },
+  },
+  body: { // runs body model
+    warmup: 'none',
+    backend: 'humangl',
+    modelBasePath: '../../models/',
+    async: false,
+    filter: { enabled: false },
+    face: { enabled: false },
+    object: { enabled: false },
+    gesture: { enabled: false },
+    hand: { enabled: false },
+    body: { enabled: true },
+    segmentation: { enabled: false },
+  },
+  hand: { // runs hands model
+    warmup: 'none',
+    backend: 'humangl',
+    modelBasePath: '../../models/',
+    async: false,
+    filter: { enabled: false },
+    face: { enabled: false },
+    object: { enabled: false },
+    gesture: { enabled: false },
+    hand: { enabled: true },
+    body: { enabled: false },
+    segmentation: { enabled: false },
+  },
+  object: { // runs object model
+    warmup: 'none',
+    backend: 'humangl',
+    modelBasePath: '../../models/',
+    async: false,
+    filter: { enabled: false },
+    face: { enabled: false },
+    object: { enabled: true },
+    gesture: { enabled: false },
+    hand: { enabled: false },
+    body: { enabled: false },
+    segmentation: { enabled: false },
+  },
+};
+
+let human;
+let canvas;
+let video;
+let bench;
+
+const busy = {
+  face: false,
+  hand: false,
+  body: false,
+  object: false,
+};
+
+const workers = {
+  face: null,
+  body: null,
+  hand: null,
+  object: null,
+};
+
+const time = {
+  main: 0,
+  draw: 0,
+  face: '[warmup]',
+  body: '[warmup]',
+  hand: '[warmup]',
+  object: '[warmup]',
+};
+
+const start = {
+  main: 0,
+  draw: 0,
+  face: 0,
+  body: 0,
+  hand: 0,
+  object: 0,
+};
+
+const result = { // initialize empty result object which will be partially filled with results from each thread
+  performance: {},
+  hand: [],
+  body: [],
+  face: [],
+  object: [],
+};
+
+function log(...msg) {
+  const dt = new Date();
+  const ts = `${dt.getHours().toString().padStart(2, '0')}:${dt.getMinutes().toString().padStart(2, '0')}:${dt.getSeconds().toString().padStart(2, '0')}.${dt.getMilliseconds().toString().padStart(3, '0')}`;
+  // eslint-disable-next-line no-console
+  console.log(ts, ...msg);
+}
+
+async function drawResults() {
+  start.draw = performance.now();
+  const interpolated = human.next(result);
+  await human.draw.all(canvas, interpolated);
+  time.draw = Math.round(1 + performance.now() - start.draw);
+  const fps = Math.round(10 * 1000 / time.main) / 10;
+  const draw = Math.round(10 * 1000 / time.draw) / 10;
+  document.getElementById('log').innerText = `Human: version ${human.version} | Performance: Main ${time.main}ms Face: ${time.face}ms Body: ${time.body}ms Hand: ${time.hand}ms Object ${time.object}ms | FPS: ${fps} / ${draw}`;
+  requestAnimationFrame(drawResults);
+}
+
+async function receiveMessage(msg) {
+  result[msg.data.type] = msg.data.result;
+  busy[msg.data.type] = false;
+  time[msg.data.type] = Math.round(performance.now() - start[msg.data.type]);
+}
+
+async function runDetection() {
+  start.main = performance.now();
+  if (!bench) {
+    bench = new GLBench(null, { trackGPU: false, chartHz: 20, chartLen: 20 });
+    bench.begin();
+  }
+  const ctx = canvas.getContext('2d');
+  // const image = await human.image(video);
+  // ctx.drawImage(image.canvas, 0, 0, canvas.width, canvas.height);
+  ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
+  const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
+  if (!busy.face) {
+    busy.face = true;
+    start.face = performance.now();
+    workers.face.postMessage({ image: imageData.data.buffer, width: canvas.width, height: canvas.height, config: config.face, type: 'face' }, [imageData.data.buffer.slice(0)]);
+  }
+  if (!busy.body) {
+    busy.body = true;
+    start.body = performance.now();
+    workers.body.postMessage({ image: imageData.data.buffer, width: canvas.width, height: canvas.height, config: config.body, type: 'body' }, [imageData.data.buffer.slice(0)]);
+  }
+  if (!busy.hand) {
+    busy.hand = true;
+    start.hand = performance.now();
+    workers.hand.postMessage({ image: imageData.data.buffer, width: canvas.width, height: canvas.height, config: config.hand, type: 'hand' }, [imageData.data.buffer.slice(0)]);
+  }
+  if (!busy.object) {
+    busy.object = true;
+    start.object = performance.now();
+    workers.object.postMessage({ image: imageData.data.buffer, width: canvas.width, height: canvas.height, config: config.object, type: 'object' }, [imageData.data.buffer.slice(0)]);
+  }
+
+  time.main = Math.round(performance.now() - start.main);
+
+  bench.nextFrame();
+  requestAnimationFrame(runDetection);
+}
+
+async function setupCamera() {
+  video = document.getElementById('video');
+  canvas = document.getElementById('canvas');
+  const output = document.getElementById('log');
+  let stream;
+  const constraints = {
+    audio: false,
+    video: {
+      facingMode: 'user',
+      resizeMode: 'crop-and-scale',
+      width: { ideal: document.body.clientWidth },
+      // height: { ideal: document.body.clientHeight }, // not set as we're using aspectRation to get height instead
+      aspectRatio: document.body.clientWidth / document.body.clientHeight,
+    },
+  };
+  // enumerate devices for diag purposes
+  navigator.mediaDevices.enumerateDevices().then((devices) => log('enumerated devices:', devices));
+  log('camera constraints', constraints);
+  try {
+    stream = await navigator.mediaDevices.getUserMedia(constraints);
+  } catch (err) {
+    output.innerText += `\n${err.name}: ${err.message}`;
+    status(err.name);
+    log('camera error:', err);
+  }
+  const tracks = stream.getVideoTracks();
+  log('enumerated viable tracks:', tracks);
+  const track = stream.getVideoTracks()[0];
+  const settings = track.getSettings();
+  log('selected video source:', track, settings);
+  const promise = !stream || new Promise((resolve) => {
+    video.onloadeddata = () => {
+      if (settings.width > settings.height) canvas.style.width = '100vw';
+      else canvas.style.height = '100vh';
+      canvas.width = video.videoWidth;
+      canvas.height = video.videoHeight;
+      video.play();
+      resolve();
+    };
+  });
+  // attach input to video element
+  if (stream) video.srcObject = stream;
+  return promise;
+}
+
+async function startWorkers() {
+  if (!workers.face) workers.face = new Worker(workerJS);
+  if (!workers.body) workers.body = new Worker(workerJS);
+  if (!workers.hand) workers.hand = new Worker(workerJS);
+  if (!workers.object) workers.object = new Worker(workerJS);
+  workers.face.onmessage = receiveMessage;
+  workers.body.onmessage = receiveMessage;
+  workers.hand.onmessage = receiveMessage;
+  workers.object.onmessage = receiveMessage;
+}
+
+async function main() {
+  window.addEventListener('unhandledrejection', (evt) => {
+    // eslint-disable-next-line no-console
+    console.error(evt.reason || evt);
+    document.getElementById('log').innerHTML = evt.reason.message || evt.reason || evt;
+    status('exception error');
+    evt.preventDefault();
+  });
+
+  if (typeof Worker === 'undefined' || typeof OffscreenCanvas === 'undefined') {
+    status('workers are not supported');
+    return;
+  }
+
+  human = new Human(config.main);
+  document.getElementById('log').innerText = `Human: version ${human.version}`;
+
+  await startWorkers();
+  await setupCamera();
+  runDetection();
+  drawResults();
+}
+
+window.onload = main;
--- a/demo/multithread/worker.js
+++ b/demo/multithread/worker.js
@ -0,0 +1,20 @@
+// load Human using IIFE script as Chome Mobile does not support Modules as Workers
+
+// import Human from '../dist/human.esm.js';
+self.importScripts('../../dist/human.js');
+
+let human;
+
+onmessage = async (msg) => {
+  // received from index.js using:
+  // worker.postMessage({ image: image.data.buffer, width: canvas.width, height: canvas.height, config }, [image.data.buffer]);
+
+  // @ts-ignore // Human is registered as global namespace using IIFE script
+  // eslint-disable-next-line no-undef, new-cap
+  if (!human) human = new Human.default(msg.data.config);
+  const image = new ImageData(new Uint8ClampedArray(msg.data.image), msg.data.width, msg.data.height);
+  let result = {};
+  result = await human.detect(image, msg.data.config);
+  // @ts-ignore tslint wrong type matching for worker
+  postMessage({ result: result[msg.data.type], type: msg.data.type });
+};
--- a/dist/human.esm-nobundle.js
+++ b/dist/human.esm-nobundle.js
--- a/dist/human.esm-nobundle.js.map
+++ b/dist/human.esm-nobundle.js.map
--- a/dist/human.esm.js
+++ b/dist/human.esm.js
--- a/dist/human.esm.js.map
+++ b/dist/human.esm.js.map
--- a/dist/human.js
+++ b/dist/human.js
--- a/dist/human.node-gpu.js
+++ b/dist/human.node-gpu.js
@ -9785,10 +9785,10 @@ var options = {
  labelColor: "rgba(173, 216, 230, 1)",
  shadowColor: "black",
  font: 'small-caps 14px "Segoe UI"',
-  lineHeight: 24,
-  lineWidth: 6,
+  lineHeight: 18,
+  lineWidth: 4,
  pointSize: 2,
-  roundRect: 28,
+  roundRect: 8,
  drawPoints: false,
  drawLabels: true,
  drawBoxes: true,
@ -10221,7 +10221,7 @@ async function object(inCanvas2, result, drawOptions) {
      ctx.fillStyle = localOptions.color;
      rect(ctx, h.box[0], h.box[1], h.box[2], h.box[3], localOptions);
      if (localOptions.drawLabels) {
-        const label = `${Math.round(100 * h.score)}% ${h.label}`;
+        const label = `${h.label} ${Math.round(100 * h.score)}%`;
        if (localOptions.shadowColor && localOptions.shadowColor !== "") {
          ctx.fillStyle = localOptions.shadowColor;
          ctx.fillText(label, h.box[0] + 3, 1 + h.box[1] + localOptions.lineHeight, h.box[2]);
@ -10415,16 +10415,20 @@ function calc(newResult) {
      bufferedResult.object[i] = { ...newResult.object[i], box: box6, boxRaw: boxRaw3 };
    }
  }
-  const newPersons = newResult.persons;
-  if (!bufferedResult.persons || newPersons.length !== bufferedResult.persons.length) {
-    bufferedResult.persons = JSON.parse(JSON.stringify(newPersons));
-  } else {
-    for (let i = 0; i < newPersons.length; i++) {
-      bufferedResult.persons[i].box = newPersons[i].box.map((box6, j) => ((bufferedFactor - 1) * bufferedResult.persons[i].box[j] + box6) / bufferedFactor);
+  if (newResult.persons) {
+    const newPersons = newResult.persons;
+    if (!bufferedResult.persons || newPersons.length !== bufferedResult.persons.length) {
+      bufferedResult.persons = JSON.parse(JSON.stringify(newPersons));
+    } else {
+      for (let i = 0; i < newPersons.length; i++) {
+        bufferedResult.persons[i].box = newPersons[i].box.map((box6, j) => ((bufferedFactor - 1) * bufferedResult.persons[i].box[j] + box6) / bufferedFactor);
+      }
    }
  }
-  bufferedResult.gesture = newResult.gesture;
-  bufferedResult.performance = newResult.performance;
+  if (newResult.gesture)
+    bufferedResult.gesture = newResult.gesture;
+  if (newResult.performance)
+    bufferedResult.performance = newResult.performance;
  return bufferedResult;
 }

@ -11265,7 +11269,7 @@ lBhEMohlFerLlBjEMohMVTEARDKCITsAk2AEgAAAkAAAAAAAAAAAAAAAAAAAAAAAASAAAAAAAAD/
 2Q==`;

 // package.json
-var version = "2.0.1";
+var version = "2.0.2";

 // src/human.ts
 var _numTensors, _analyzeMemoryLeaks, _checkSanity, _firstRun, _lastInputSum, _lastCacheDiff, _sanity, _checkBackend, _skipFrame, _warmupBitmap, _warmupCanvas, _warmupNode;
--- a/dist/human.node-wasm.js
+++ b/dist/human.node-wasm.js
@ -9786,10 +9786,10 @@ var options = {
  labelColor: "rgba(173, 216, 230, 1)",
  shadowColor: "black",
  font: 'small-caps 14px "Segoe UI"',
-  lineHeight: 24,
-  lineWidth: 6,
+  lineHeight: 18,
+  lineWidth: 4,
  pointSize: 2,
-  roundRect: 28,
+  roundRect: 8,
  drawPoints: false,
  drawLabels: true,
  drawBoxes: true,
@ -10222,7 +10222,7 @@ async function object(inCanvas2, result, drawOptions) {
      ctx.fillStyle = localOptions.color;
      rect(ctx, h.box[0], h.box[1], h.box[2], h.box[3], localOptions);
      if (localOptions.drawLabels) {
-        const label = `${Math.round(100 * h.score)}% ${h.label}`;
+        const label = `${h.label} ${Math.round(100 * h.score)}%`;
        if (localOptions.shadowColor && localOptions.shadowColor !== "") {
          ctx.fillStyle = localOptions.shadowColor;
          ctx.fillText(label, h.box[0] + 3, 1 + h.box[1] + localOptions.lineHeight, h.box[2]);
@ -10416,16 +10416,20 @@ function calc(newResult) {
      bufferedResult.object[i] = { ...newResult.object[i], box: box6, boxRaw: boxRaw3 };
    }
  }
-  const newPersons = newResult.persons;
-  if (!bufferedResult.persons || newPersons.length !== bufferedResult.persons.length) {
-    bufferedResult.persons = JSON.parse(JSON.stringify(newPersons));
-  } else {
-    for (let i = 0; i < newPersons.length; i++) {
-      bufferedResult.persons[i].box = newPersons[i].box.map((box6, j) => ((bufferedFactor - 1) * bufferedResult.persons[i].box[j] + box6) / bufferedFactor);
+  if (newResult.persons) {
+    const newPersons = newResult.persons;
+    if (!bufferedResult.persons || newPersons.length !== bufferedResult.persons.length) {
+      bufferedResult.persons = JSON.parse(JSON.stringify(newPersons));
+    } else {
+      for (let i = 0; i < newPersons.length; i++) {
+        bufferedResult.persons[i].box = newPersons[i].box.map((box6, j) => ((bufferedFactor - 1) * bufferedResult.persons[i].box[j] + box6) / bufferedFactor);
+      }
    }
  }
-  bufferedResult.gesture = newResult.gesture;
-  bufferedResult.performance = newResult.performance;
+  if (newResult.gesture)
+    bufferedResult.gesture = newResult.gesture;
+  if (newResult.performance)
+    bufferedResult.performance = newResult.performance;
  return bufferedResult;
 }

@ -11266,7 +11270,7 @@ lBhEMohlFerLlBjEMohMVTEARDKCITsAk2AEgAAAkAAAAAAAAAAAAAAAAAAAAAAAASAAAAAAAAD/
 2Q==`;

 // package.json
-var version = "2.0.1";
+var version = "2.0.2";

 // src/human.ts
 var _numTensors, _analyzeMemoryLeaks, _checkSanity, _firstRun, _lastInputSum, _lastCacheDiff, _sanity, _checkBackend, _skipFrame, _warmupBitmap, _warmupCanvas, _warmupNode;
--- a/dist/human.node.js
+++ b/dist/human.node.js
@ -9785,10 +9785,10 @@ var options = {
  labelColor: "rgba(173, 216, 230, 1)",
  shadowColor: "black",
  font: 'small-caps 14px "Segoe UI"',
-  lineHeight: 24,
-  lineWidth: 6,
+  lineHeight: 18,
+  lineWidth: 4,
  pointSize: 2,
-  roundRect: 28,
+  roundRect: 8,
  drawPoints: false,
  drawLabels: true,
  drawBoxes: true,
@ -10221,7 +10221,7 @@ async function object(inCanvas2, result, drawOptions) {
      ctx.fillStyle = localOptions.color;
      rect(ctx, h.box[0], h.box[1], h.box[2], h.box[3], localOptions);
      if (localOptions.drawLabels) {
-        const label = `${Math.round(100 * h.score)}% ${h.label}`;
+        const label = `${h.label} ${Math.round(100 * h.score)}%`;
        if (localOptions.shadowColor && localOptions.shadowColor !== "") {
          ctx.fillStyle = localOptions.shadowColor;
          ctx.fillText(label, h.box[0] + 3, 1 + h.box[1] + localOptions.lineHeight, h.box[2]);
@ -10415,16 +10415,20 @@ function calc(newResult) {
      bufferedResult.object[i] = { ...newResult.object[i], box: box6, boxRaw: boxRaw3 };
    }
  }
-  const newPersons = newResult.persons;
-  if (!bufferedResult.persons || newPersons.length !== bufferedResult.persons.length) {
-    bufferedResult.persons = JSON.parse(JSON.stringify(newPersons));
-  } else {
-    for (let i = 0; i < newPersons.length; i++) {
-      bufferedResult.persons[i].box = newPersons[i].box.map((box6, j) => ((bufferedFactor - 1) * bufferedResult.persons[i].box[j] + box6) / bufferedFactor);
+  if (newResult.persons) {
+    const newPersons = newResult.persons;
+    if (!bufferedResult.persons || newPersons.length !== bufferedResult.persons.length) {
+      bufferedResult.persons = JSON.parse(JSON.stringify(newPersons));
+    } else {
+      for (let i = 0; i < newPersons.length; i++) {
+        bufferedResult.persons[i].box = newPersons[i].box.map((box6, j) => ((bufferedFactor - 1) * bufferedResult.persons[i].box[j] + box6) / bufferedFactor);
+      }
    }
  }
-  bufferedResult.gesture = newResult.gesture;
-  bufferedResult.performance = newResult.performance;
+  if (newResult.gesture)
+    bufferedResult.gesture = newResult.gesture;
+  if (newResult.performance)
+    bufferedResult.performance = newResult.performance;
  return bufferedResult;
 }

@ -11265,7 +11269,7 @@ lBhEMohlFerLlBjEMohMVTEARDKCITsAk2AEgAAAkAAAAAAAAAAAAAAAAAAAAAAAASAAAAAAAAD/
 2Q==`;

 // package.json
-var version = "2.0.1";
+var version = "2.0.2";

 // src/human.ts
 var _numTensors, _analyzeMemoryLeaks, _checkSanity, _firstRun, _lastInputSum, _lastCacheDiff, _sanity, _checkBackend, _skipFrame, _warmupBitmap, _warmupCanvas, _warmupNode;
--- a/server/build.log
+++ b/server/build.log
@ -1,22 +1,22 @@
-2021-06-14 08:14:47 [36mINFO: [39m @vladmandic/human version 2.0.1 
-2021-06-14 08:14:47 [36mINFO: [39m User: vlado Platform: linux Arch: x64 Node: v16.0.0 
-2021-06-14 08:14:47 [36mINFO: [39m Toolchain: tfjs: 3.7.0 esbuild 0.12.8; typescript 4.3.2; typedoc: 0.21.0-beta.2 eslint: 7.28.0 
-2021-06-14 08:14:47 [36mINFO: [39m Clean: ["dist/*","types/*","typedoc/*"] 
-2021-06-14 08:14:47 [36mINFO: [39m Build: file startup all type: production config: {"minifyWhitespace":true,"minifyIdentifiers":true,"minifySyntax":true} 
-2021-06-14 08:14:47 [35mSTATE:[39m  target: node type: tfjs: {"imports":1,"importBytes":102,"outputBytes":1303,"outputFiles":"dist/tfjs.esm.js"} 
-2021-06-14 08:14:47 [35mSTATE:[39m  target: node type: node: {"imports":41,"importBytes":430804,"outputBytes":376591,"outputFiles":"dist/human.node.js"} 
-2021-06-14 08:14:47 [35mSTATE:[39m  target: nodeGPU type: tfjs: {"imports":1,"importBytes":110,"outputBytes":1311,"outputFiles":"dist/tfjs.esm.js"} 
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-2021-06-14 08:14:47 [35mSTATE:[39m  target: nodeWASM type: tfjs: {"imports":1,"importBytes":149,"outputBytes":1378,"outputFiles":"dist/tfjs.esm.js"} 
-2021-06-14 08:14:47 [35mSTATE:[39m  target: nodeWASM type: node: {"imports":41,"importBytes":430879,"outputBytes":376667,"outputFiles":"dist/human.node-wasm.js"} 
-2021-06-14 08:14:47 [35mSTATE:[39m  target: browserNoBundle type: tfjs: {"imports":1,"importBytes":2817,"outputBytes":1214,"outputFiles":"dist/tfjs.esm.js"} 
-2021-06-14 08:14:47 [35mSTATE:[39m  target: browserNoBundle type: esm: {"imports":41,"importBytes":430715,"outputBytes":247861,"outputFiles":"dist/human.esm-nobundle.js"} 
-2021-06-14 08:14:48 [35mSTATE:[39m  target: browserBundle type: tfjs: {"modules":1684,"moduleBytes":5720339,"imports":7,"importBytes":2817,"outputBytes":2817783,"outputFiles":"dist/tfjs.esm.js"} 
-2021-06-14 08:14:48 [35mSTATE:[39m  target: browserBundle type: iife: {"imports":41,"importBytes":3247284,"outputBytes":1588248,"outputFiles":"dist/human.js"} 
-2021-06-14 08:14:49 [35mSTATE:[39m  target: browserBundle type: esm: {"imports":41,"importBytes":3247284,"outputBytes":1588240,"outputFiles":"dist/human.esm.js"} 
-2021-06-14 08:14:49 [36mINFO: [39m Running Linter: ["server/","src/","tfjs/","test/","demo/"] 
-2021-06-14 08:15:14 [36mINFO: [39m Linter complete: files: 71 errors: 0 warnings: 0 
-2021-06-14 08:15:14 [36mINFO: [39m Generate ChangeLog: ["/home/vlado/dev/human/CHANGELOG.md"] 
-2021-06-14 08:15:14 [36mINFO: [39m Generate Typings: ["src/human.ts"] outDir: ["types"] 
-2021-06-14 08:15:30 [36mINFO: [39m Generate TypeDocs: ["src/human.ts"] outDir: ["typedoc"] 
-2021-06-14 08:15:43 [36mINFO: [39m Documentation generated at /home/vlado/dev/human/typedoc 1 
+2021-06-14 10:20:53 [36mINFO: [39m @vladmandic/human version 2.0.2 
+2021-06-14 10:20:53 [36mINFO: [39m User: vlado Platform: linux Arch: x64 Node: v16.0.0 
+2021-06-14 10:20:53 [36mINFO: [39m Toolchain: tfjs: 3.7.0 esbuild 0.12.8; typescript 4.3.2; typedoc: 0.21.0-beta.2 eslint: 7.28.0 
+2021-06-14 10:20:53 [36mINFO: [39m Clean: ["dist/*","types/*","typedoc/*"] 
+2021-06-14 10:20:53 [36mINFO: [39m Build: file startup all type: production config: {"minifyWhitespace":true,"minifyIdentifiers":true,"minifySyntax":true} 
+2021-06-14 10:20:53 [35mSTATE:[39m  target: node type: tfjs: {"imports":1,"importBytes":102,"outputBytes":1303,"outputFiles":"dist/tfjs.esm.js"} 
+2021-06-14 10:20:53 [35mSTATE:[39m  target: node type: node: {"imports":41,"importBytes":430902,"outputBytes":376695,"outputFiles":"dist/human.node.js"} 
+2021-06-14 10:20:53 [35mSTATE:[39m  target: nodeGPU type: tfjs: {"imports":1,"importBytes":110,"outputBytes":1311,"outputFiles":"dist/tfjs.esm.js"} 
+2021-06-14 10:20:53 [35mSTATE:[39m  target: nodeGPU type: node: {"imports":41,"importBytes":430910,"outputBytes":376699,"outputFiles":"dist/human.node-gpu.js"} 
+2021-06-14 10:20:53 [35mSTATE:[39m  target: nodeWASM type: tfjs: {"imports":1,"importBytes":149,"outputBytes":1378,"outputFiles":"dist/tfjs.esm.js"} 
+2021-06-14 10:20:53 [35mSTATE:[39m  target: nodeWASM type: node: {"imports":41,"importBytes":430977,"outputBytes":376771,"outputFiles":"dist/human.node-wasm.js"} 
+2021-06-14 10:20:53 [35mSTATE:[39m  target: browserNoBundle type: tfjs: {"imports":1,"importBytes":2817,"outputBytes":1214,"outputFiles":"dist/tfjs.esm.js"} 
+2021-06-14 10:20:53 [35mSTATE:[39m  target: browserNoBundle type: esm: {"imports":41,"importBytes":430813,"outputBytes":247896,"outputFiles":"dist/human.esm-nobundle.js"} 
+2021-06-14 10:20:54 [35mSTATE:[39m  target: browserBundle type: tfjs: {"modules":1684,"moduleBytes":5720339,"imports":7,"importBytes":2817,"outputBytes":2817783,"outputFiles":"dist/tfjs.esm.js"} 
+2021-06-14 10:20:55 [35mSTATE:[39m  target: browserBundle type: iife: {"imports":41,"importBytes":3247382,"outputBytes":1588289,"outputFiles":"dist/human.js"} 
+2021-06-14 10:20:55 [35mSTATE:[39m  target: browserBundle type: esm: {"imports":41,"importBytes":3247382,"outputBytes":1588281,"outputFiles":"dist/human.esm.js"} 
+2021-06-14 10:20:55 [36mINFO: [39m Running Linter: ["server/","src/","tfjs/","test/","demo/"] 
+2021-06-14 10:21:20 [36mINFO: [39m Linter complete: files: 73 errors: 0 warnings: 0 
+2021-06-14 10:21:20 [36mINFO: [39m Generate ChangeLog: ["/home/vlado/dev/human/CHANGELOG.md"] 
+2021-06-14 10:21:20 [36mINFO: [39m Generate Typings: ["src/human.ts"] outDir: ["types"] 
+2021-06-14 10:21:35 [36mINFO: [39m Generate TypeDocs: ["src/human.ts"] outDir: ["typedoc"] 
+2021-06-14 10:21:48 [36mINFO: [39m Documentation generated at /home/vlado/dev/human/typedoc 1 
--- a/src/draw/draw.ts
+++ b/src/draw/draw.ts
@ -51,10 +51,10 @@ export const options: DrawOptions = {
  labelColor: <string>'rgba(173, 216, 230, 1)', // 'lightblue' with dark alpha channel
  shadowColor: <string>'black',
  font: <string>'small-caps 14px "Segoe UI"',
-  lineHeight: <number>24,
-  lineWidth: <number>6,
+  lineHeight: <number>18,
+  lineWidth: <number>4,
  pointSize: <number>2,
-  roundRect: <number>28,
+  roundRect: <number>8,
  drawPoints: <boolean>false,
  drawLabels: <boolean>true,
  drawBoxes: <boolean>true,
@ -460,7 +460,7 @@ export async function object(inCanvas: HTMLCanvasElement, result: Array<Item>, d
      ctx.fillStyle = localOptions.color;
      rect(ctx, h.box[0], h.box[1], h.box[2], h.box[3], localOptions);
      if (localOptions.drawLabels) {
-        const label = `${Math.round(100 * h.score)}% ${h.label}`;
+        const label = `${h.label} ${Math.round(100 * h.score)}%`;
        if (localOptions.shadowColor && localOptions.shadowColor !== '') {
          ctx.fillStyle = localOptions.shadowColor;
          ctx.fillText(label, h.box[0] + 3, 1 + h.box[1] + localOptions.lineHeight, h.box[2]);
--- a/src/interpolate.ts
+++ b/src/interpolate.ts
@ -114,19 +114,21 @@ export function calc(newResult: Result): Result {
  }

  // interpolate person results
-  const newPersons = newResult.persons; // trigger getter function
-  if (!bufferedResult.persons || (newPersons.length !== bufferedResult.persons.length)) {
-    bufferedResult.persons = JSON.parse(JSON.stringify(newPersons as Person[]));
-  } else {
-    for (let i = 0; i < newPersons.length; i++) { // update person box, we don't update the rest as it's updated as reference anyhow
-      bufferedResult.persons[i].box = (newPersons[i].box
-        .map((box, j) => ((bufferedFactor - 1) * bufferedResult.persons[i].box[j] + box) / bufferedFactor)) as [number, number, number, number];
+  if (newResult.persons) {
+    const newPersons = newResult.persons; // trigger getter function
+    if (!bufferedResult.persons || (newPersons.length !== bufferedResult.persons.length)) {
+      bufferedResult.persons = JSON.parse(JSON.stringify(newPersons as Person[]));
+    } else {
+      for (let i = 0; i < newPersons.length; i++) { // update person box, we don't update the rest as it's updated as reference anyhow
+        bufferedResult.persons[i].box = (newPersons[i].box
+          .map((box, j) => ((bufferedFactor - 1) * bufferedResult.persons[i].box[j] + box) / bufferedFactor)) as [number, number, number, number];
+      }
    }
  }

  // just copy latest gestures without interpolation
-  bufferedResult.gesture = newResult.gesture as Gesture[];
-  bufferedResult.performance = newResult.performance;
+  if (newResult.gesture) bufferedResult.gesture = newResult.gesture as Gesture[];
+  if (newResult.performance) bufferedResult.performance = newResult.performance;

  return bufferedResult;
 }
--- a/2
+++ b/2
@ -1 +1 @@
-Subproject commit d270e2eb172e90acefb4e3be22260e3ad6a03ab1
+Subproject commit f6641d6559b940a7bf99297bf9004f43d1e87bdc