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human
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updated embedding function

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Vladimir Mandic 2020-11-23 08:40:17 -05:00
parent 4b4df95652
commit 1956559f38
18 changed files with 45 additions and 48 deletions
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@ -30,7 +30,7 @@
"imports": [] "imports": []
}, },
"dist/human.esm.js": { "dist/human.esm.js": {
"bytes": 1783941, "bytes": 1783928,
"imports": [] "imports": []
} }
}, },
@ -38,14 +38,14 @@
"dist/demo-browser-index.js.map": { "dist/demo-browser-index.js.map": {
"imports": [], "imports": [],
"inputs": {}, "inputs": {},
"bytes": 2678157 "bytes": 2678104
}, },
"dist/demo-browser-index.js": { "dist/demo-browser-index.js": {
"imports": [], "imports": [],
"exports": [], "exports": [],
"inputs": { "inputs": {
"dist/human.esm.js": { "dist/human.esm.js": {
"bytesInOutput": 1776696 "bytesInOutput": 1776683
}, },
"demo/draw.js": { "demo/draw.js": {
"bytesInOutput": 7668 "bytesInOutput": 7668
@ -60,7 +60,7 @@
"bytesInOutput": 19407 "bytesInOutput": 19407
} }
}, },
"bytes": 1830431 "bytes": 1830418
} }
} }
} }

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] ]
}, },
"src/embedding/embedding.js": { "src/embedding/embedding.js": {
"bytes": 2107, "bytes": 2066,
"imports": [ "imports": [
{ {
"path": "dist/tfjs.esm.js" "path": "dist/tfjs.esm.js"
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"dist/human.esm.js.map": { "dist/human.esm.js.map": {
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"inputs": {}, "inputs": {},
"bytes": 2582747 "bytes": 2582694
}, },
"dist/human.esm.js": { "dist/human.esm.js": {
"imports": [], "imports": [],
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"src/embedding/embedding.js": { "src/embedding/embedding.js": {
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"src/body/modelBase.js": { "src/body/modelBase.js": {
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} }
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} }
} }

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] ]
}, },
"src/embedding/embedding.js": { "src/embedding/embedding.js": {
"bytes": 2107, "bytes": 2066,
"imports": [ "imports": [
{ {
"path": "dist/tfjs.esm.js" "path": "dist/tfjs.esm.js"
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"dist/human.js.map": { "dist/human.js.map": {
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"inputs": {}, "inputs": {},
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}, },
"dist/human.js": { "dist/human.js": {
"imports": [], "imports": [],
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"src/embedding/embedding.js": { "src/embedding/embedding.js": {
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"src/body/modelBase.js": { "src/body/modelBase.js": {
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"bytesInOutput": 22 "bytesInOutput": 22
} }
}, },
"bytes": 1783252 "bytes": 1783239
} }
} }
} }

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"imports": [] "imports": []
}, },
"package.json": { "package.json": {
"bytes": 2322, "bytes": 2323,
"imports": [] "imports": []
}, },
"src/age/age.js": { "src/age/age.js": {
@ -137,7 +137,7 @@
] ]
}, },
"src/embedding/embedding.js": { "src/embedding/embedding.js": {
"bytes": 2107, "bytes": 2066,
"imports": [ "imports": [
{ {
"path": "dist/tfjs.esm.js" "path": "dist/tfjs.esm.js"
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"dist/human.node-gpu.js.map": { "dist/human.node-gpu.js.map": {
"imports": [], "imports": [],
"inputs": {}, "inputs": {},
"bytes": 685707 "bytes": 685654
}, },
"dist/human.node-gpu.js": { "dist/human.node-gpu.js": {
"imports": [], "imports": [],
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"bytesInOutput": 1861 "bytesInOutput": 1861
}, },
"src/embedding/embedding.js": { "src/embedding/embedding.js": {
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"src/body/modelBase.js": { "src/body/modelBase.js": {
"bytesInOutput": 655 "bytesInOutput": 655
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"bytesInOutput": 20 "bytesInOutput": 21
} }
}, },
"bytes": 249919 "bytes": 249907
} }
} }
} }

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src/embedding/embedding.js
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@ -17,14 +17,11 @@ async function load(config) {
function simmilarity(embedding1, embedding2) { function simmilarity(embedding1, embedding2) {
if (embedding1?.length !== embedding2?.length) return 0; if (embedding1?.length !== embedding2?.length) return 0;
// euclidean distance // general minkowski distance
const distance = 10 * Math.sqrt( // euclidean distance is limited case where order is 2
embedding1 const order = 2;
.map((val, i) => (val - embedding2[i])) const distance = 10.0 * ((embedding1.map((val, i) => (val - embedding2[i])).reduce((dist, diff) => dist + (diff ** order), 0) ** (1 / order)));
.reduce((dist, diff) => dist + (diff ** 2), 0), return (Math.trunc(1000 * (1 - distance)) / 1000);
);
const confidence = 2 * (0.5 - distance); // double confidence output for bigger differences and round to three decimals
return Math.trunc(1000 * confidence) / 1000;
} }
async function predict(image, config) { async function predict(image, config) {

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Subproject commit 64516d31f04a2e915c22c0ac2fe9312392d0d9c3 Subproject commit 6a8806585c67dc6709ef244f86ffdd980404b66a