updated face description

README.md

@@ -6,7 +6,7 @@
 
 # Human Library
 
-**3D Face Detection & Rotation Tracking, Face Embedding & Recognition,**  
+**3D Face Detection & Rotation Tracking, Face Description & Recognition,**  
 **Body Pose Tracking, 3D Hand & Finger Tracking,**  
 **Iris Analysis, Age & Gender & Emotion Prediction,**  
 **Gesture Recognition**
@@ -46,8 +46,9 @@ Check out [**Live Demo**](https://vladmandic.github.io/human/demo/index.html) fo
 - [**Usage & Functions**](https://github.com/vladmandic/human/wiki/Usage)
 - [**Configuration Details**](https://github.com/vladmandic/human/wiki/Configuration)
 - [**Output Details**](https://github.com/vladmandic/human/wiki/Outputs)
-- [**Face Recognition & Face Embedding**](https://github.com/vladmandic/human/wiki/Embedding)
+- [**Face Recognition & Face Description**](https://github.com/vladmandic/human/wiki/Embedding)
 - [**Gesture Recognition**](https://github.com/vladmandic/human/wiki/Gesture)
+- [**Common Issues**](https://github.com/vladmandic/human/wiki/Issues)
 
 <br>
 
@@ -144,12 +145,10 @@ Default models in Human library are:
 
 - **Face Detection**: MediaPipe BlazeFace-Back
 - **Face Mesh**: MediaPipe FaceMesh
+- **Face Description**: HSE FaceRes
 - **Face Iris Analysis**: MediaPipe Iris
 - **Emotion Detection**: Oarriaga Emotion
-- **Gender Detection**: Oarriaga Gender
-- **Age Detection**: SSR-Net Age IMDB
 - **Body Analysis**: PoseNet
-- **Face Embedding**: BecauseofAI MobileFace Embedding
 
 Note that alternative models are provided and can be enabled via configuration  
 For example, `PoseNet` model can be switched for `BlazePose` model depending on the use case  

demo/facematch.html

@@ -13,7 +13,7 @@
   <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="./embedding.js" type="module"></script>
+    <script src="./facematch.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: 24px; font-variant: small-caps; }
@@ -27,12 +27,12 @@
       <div style="display: flex">
         <div>
           Selected Face<br>
-          <canvas id="orig" style="width: 200px; height: 200px;"></canvas>
+          <canvas id="orig" style="width: 200px; height: 200px; padding: 20px"></canvas>
         </div>
         <div style="width: 20px"></div>
         <div>
           Sample Images<br>
-          <div id="images"></div>
+          <div id="images" style="display: flex; flex-wrap: wrap; width: 85vw"></div>
         </div>
         </span>
         <span id="desc" style="visibility: hidden; font-size: 0.4rem;"></span><br>

demo/facematch.js

@@ -30,6 +30,9 @@ const human = new Human(userConfig); // new instance of human
 const all = []; // array that will hold all detected faces
 let db = []; // array that holds all known faces
 
+const minScore = 0.6;
+const minConfidence = 0.8;
+
 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')}`;
@@ -37,13 +40,30 @@ function log(...msg) {
   console.log(ts, ...msg);
 }
 
+async function getFaceDB() {
+  // download db with known faces
+  try {
+    const res = await fetch('/demo/faces.json');
+    db = (res && res.ok) ? await res.json() : [];
+    for (const rec of db) {
+      rec.embedding = rec.embedding.map((a) => parseFloat(a.toFixed(4)));
+    }
+  } catch (err) {
+    log('Could not load faces database', err);
+  }
+}
+
 async function analyze(face) {
+  // refresh faces database
+  await getFaceDB();
+
   // if we have face image tensor, enhance it and display it
   if (face.tensor) {
     const enhanced = human.enhance(face);
-    // const desc = document.getElementById('desc');
+    const desc = document.getElementById('desc');
-    // desc.innerText = `{"name":"unknown", "source":"${face.fileName}", "embedding":[${face.embedding}]},`;
+    desc.innerText = `{"name":"unknown", "source":"${face.fileName}", "embedding":[${face.embedding}]},`;
-    navigator.clipboard.writeText(`{"name":"unknown", "source":"${face.fileName}", "embedding":[${face.embedding}]},`);
+    const embedding = face.embedding.map((a) => parseFloat(a.toFixed(4)));
+    navigator.clipboard.writeText(`{"name":"unknown", "source":"${face.fileName}", "embedding":[${embedding}]},`);
     if (enhanced) {
       const c = document.getElementById('orig');
       const squeeze = enhanced.squeeze().div(255);
@@ -73,11 +93,11 @@ async function analyze(face) {
     ctx.fillStyle = 'rgba(255, 255, 255, 1)';
     ctx.fillText(`${(100 * similarity).toFixed(1)}%`, 4, 24);
     ctx.font = 'small-caps 0.8rem "Lato"';
-    ctx.fillText(`${current.age}y ${(100 * current.genderConfidence).toFixed(1)}% ${current.gender}`, 4, canvas.height - 6);
+    ctx.fillText(`${current.age}y ${(100 * (current.genderConfidence || 0)).toFixed(1)}% ${current.gender}`, 4, canvas.height - 6);
     // identify person
-    // ctx.font = 'small-caps 1rem "Lato"';
+    ctx.font = 'small-caps 1rem "Lato"';
-    // const person = await human.match(current.embedding, db);
+    const person = await human.match(current.embedding, db);
-    // if (person.similarity) ctx.fillText(`${(100 * person.similarity).toFixed(1)}% ${person.name}`, 4, canvas.height - 30);
+    if (person.similarity && person.similarity > minScore && current.confidence > minConfidence) ctx.fillText(`${(100 * person.similarity).toFixed(1)}% ${person.name}`, 4, canvas.height - 30);
   }
 
   // sort all faces by similarity
@@ -90,7 +110,6 @@ async function analyze(face) {
 async function faces(index, res, fileName) {
   all[index] = res.face;
   for (const i in res.face) {
-    // log(res.face[i]);
     all[index][i].fileName = fileName;
     const canvas = document.createElement('canvas');
     canvas.tag = { sample: index, face: i };
@@ -109,10 +128,10 @@ async function faces(index, res, fileName) {
       const ctx = canvas.getContext('2d');
       ctx.font = 'small-caps 0.8rem "Lato"';
       ctx.fillStyle = 'rgba(255, 255, 255, 1)';
-      ctx.fillText(`${res.face[i].age}y ${(100 * res.face[i].genderConfidence).toFixed(1)}% ${res.face[i].gender}`, 4, canvas.height - 6);
+      ctx.fillText(`${res.face[i].age}y ${(100 * (res.face[i].genderConfidence || 0)).toFixed(1)}% ${res.face[i].gender}`, 4, canvas.height - 6);
-      // const person = await human.match(res.face[i].embedding, db);
+      const person = await human.match(res.face[i].embedding, db);
-      // ctx.font = 'small-caps 1rem "Lato"';
+      ctx.font = 'small-caps 1rem "Lato"';
-      // if (person.similarity && person.similarity > 0.60) ctx.fillText(`${(100 * person.similarity).toFixed(1)}% ${person.name}`, 4, canvas.height - 30);
+      if (person.similarity && person.similarity > minScore && res.face[i].confidence > minConfidence) ctx.fillText(`${(100 * person.similarity).toFixed(1)}% ${person.name}`, 4, canvas.height - 30);
     }
   }
 }
@@ -145,24 +164,23 @@ async function main() {
   // pre-load human models
   await human.load();
 
-  // download db with known faces
+  let res;
-  let res = await fetch('/demo/faces.json');
+  let images = [];
-  db = (res && res.ok) ? await res.json() : [];
+  let dir = [];
-
+  await getFaceDB();
   // enumerate all sample images in /assets
   res = await fetch('/assets');
-  let dir = (res && res.ok) ? await res.json() : [];
+  dir = (res && res.ok) ? await res.json() : [];
-  let images = dir.filter((img) => (img.endsWith('.jpg') && img.includes('sample')));
+  images = images.concat(dir.filter((img) => (img.endsWith('.jpg') && img.includes('sample'))));
-
   // enumerate additional private test images in /private, not includded in git repository
   res = await fetch('/private/me');
   dir = (res && res.ok) ? await res.json() : [];
   images = images.concat(dir.filter((img) => (img.endsWith('.jpg'))));
 
-  // enumerate just possible error images, not includded in git repository
+  // enumerate additional error images, not includded in git repository
-  // res = await fetch('/private/err');
+  res = await fetch('/private/err');
-  // dir = (res && res.ok) ? await res.json() : [];
+  dir = (res && res.ok) ? await res.json() : [];
-  // images = dir.filter((img) => (img.endsWith('.jpg')));
+  images = images.concat(dir.filter((img) => (img.endsWith('.jpg'))));
 
   // download and analyze all images
   log('Enumerated:', images.length, 'images');

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@vladmandic/human",
   "version": "1.2.4",
-  "description": "Human: AI-powered 3D Face Detection, Face Embedding & Recognition, Body Pose Tracking, Hand & Finger Tracking, Iris Analysis, Age & Gender & Emotion Prediction & Gesture Recognition",
+  "description": "Human: AI-powered 3D Face Detection, Face Description & Recognition, Body Pose Tracking, Hand & Finger Tracking, Iris Analysis, Age & Gender & Emotion Prediction & Gesture Recognition",
   "sideEffects": false,
   "main": "dist/human.node.js",
   "module": "dist/human.esm.js",

src/config.ts

@@ -218,7 +218,7 @@ const config: Config = {
     },
 
     description: {
-      enabled: true,         // to improve accuracy of face embedding extraction it is
+      enabled: true,         // to improve accuracy of face description extraction it is
                              // recommended to enable detector.rotation and mesh.enabled
       modelPath: '../models/faceres.json',
       skipFrames: 31,        // how many frames to go without re-running the detector

wiki

@@ -1 +1 @@
-Subproject commit ad7e00dab159a3730e1558e6e134a5727990babd
+Subproject commit 11e68676b2bf9aadd7ff1e2cc80dd4a70052f9d3