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human
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improve fact matching

pull/91/head
Vladimir Mandic 2021-03-23 15:24:58 -04:00
parent 9e4f7c7c99
commit 899ef280f2
17 changed files with 443091 additions and 6605 deletions
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25
demo/embedding.html
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@ -23,12 +23,23 @@
</style>
</head>
<body>
<br>Sample Images:
<div id="images"></div>
<br>Selected Face (Enhanced):<br>
<canvas id="orig" style="width: 200px; height: 200px;"></canvas>
<span id="desc" style="visibility: hidden; font-size: 0.4rem;"></span>
<br><br>Extracted Faces - click on a face to sort by similarity and get a known face match:<br>
<div id="faces"></div>
<div style="display: block">
<div style="display: flex">
<div>
Selected Face<br>
<canvas id="orig" style="width: 200px; height: 200px;"></canvas>
</div>
<div style="width: 20px"></div>
<div>
Sample Images<br>
<div id="images"></div>
</div>
</span>
<span id="desc" style="visibility: hidden; font-size: 0.4rem;"></span><br>
</div>
<div style="height: 10px"></div>
Extracted Faces - click on a face to sort by similarity and get a known face match:<br>
<div id="faces"></div>
</div>
</body>
</html>

17
demo/embedding.js
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@ -61,10 +61,9 @@ async function analyze(face) {
for (const canvas of canvases) {
// calculate similarity from selected face to current one in the loop
const current = all[canvas.tag.sample][canvas.tag.face];
const similarity = human.similarity(face.embedding, current.embedding, 2);
const similarity = human.similarity(face.embedding, current.embedding, 3);
// get best match
const person = await human.match(current.embedding, db);
// draw the canvas and similarity score
// draw the canvas
canvas.title = similarity;
await human.tf.browser.toPixels(current.tensor, canvas);
const ctx = canvas.getContext('2d');
@ -75,8 +74,10 @@ async function analyze(face) {
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)}% ${current.gender}`, 4, canvas.height - 6);
ctx.font = 'small-caps 1rem "Lato"';
if (person.similarity) ctx.fillText(`${(100 * person.similarity).toFixed(1)}% ${person.name}`, 4, canvas.height - 30);
// identify person
// ctx.font = 'small-caps 1rem "Lato"';
// const person = await human.match(current.embedding, db);
// if (person.similarity) ctx.fillText(`${(100 * person.similarity).toFixed(1)}% ${person.name}`, 4, canvas.height - 30);
}
// sort all faces by similarity
@ -109,9 +110,9 @@ async function faces(index, res, fileName) {
ctx.font = 'small-caps 0.8rem "Lato"';
ctx.fillStyle = 'rgba(255, 255, 255, 1)';
ctx.fillText(`${res.face[i].age}y ${(100 * res.face[i].genderConfidence).toFixed(1)}% ${res.face[i].gender}`, 4, canvas.height - 6);
const person = await human.match(res.face[i].embedding, db);
ctx.font = 'small-caps 1rem "Lato"';
if (person.similarity && person.similarity > 0.60) ctx.fillText(`${(100 * person.similarity).toFixed(1)}% ${person.name}`, 4, canvas.height - 30);
// const person = await human.match(res.face[i].embedding, db);
// ctx.font = 'small-caps 1rem "Lato"';
// if (person.similarity && person.similarity > 0.60) ctx.fillText(`${(100 * person.similarity).toFixed(1)}% ${person.name}`, 4, canvas.height - 30);
}
}
}

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src/faceres/faceres.ts
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@ -47,15 +47,13 @@ export function enhance(input): Tensor {
// input received from detector is already normalized to 0..1
// input is also assumed to be straightened
const tensor = input.image || input.tensor || input;
/*
if (!(tensor instanceof tf.Tensor)) return null;
// do a tight crop of image and resize it to fit the model
const box = [[0.05, 0.15, 0.85, 0.85]]; // empyrical values for top, left, bottom, right
if (!(tensor instanceof tf.Tensor)) return null;
const crop = (tensor.shape.length === 3)
? tf.image.cropAndResize(tf.expandDims(tensor, 0), box, [0], [model.inputs[0].shape[2], model.inputs[0].shape[1]]) // add batch dimension if missing
: tf.image.cropAndResize(tensor, box, [0], [model.inputs[0].shape[2], model.inputs[0].shape[1]]);
*/
const crop = tf.image.resizeBilinear(tensor, [model.inputs[0].shape[2], model.inputs[0].shape[1]], false); // just resize to fit the embedding model
// const crop = tf.image.resizeBilinear(tensor, [model.inputs[0].shape[2], model.inputs[0].shape[1]], false); // just resize to fit the embedding model
/*
// convert to black&white to avoid colorization impact