face-api.js
Version:
JavaScript API for face detection and face recognition in the browser with tensorflow.js
55 lines • 2.72 kB
JavaScript
import { __awaiter, __generator } from "tslib";
import * as tf from '@tensorflow/tfjs-core';
import { extractFaces, extractFaceTensors } from '../dom';
import { isWithFaceLandmarks } from '../factories/WithFaceLandmarks';
export function extractAllFacesAndComputeResults(parentResults, input, computeResults, extractedFaces, getRectForAlignment) {
if (getRectForAlignment === void 0) { getRectForAlignment = function (_a) {
var alignedRect = _a.alignedRect;
return alignedRect;
}; }
return __awaiter(this, void 0, void 0, function () {
var faceBoxes, faces, _a, _b, results;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
faceBoxes = parentResults.map(function (parentResult) {
return isWithFaceLandmarks(parentResult)
? getRectForAlignment(parentResult)
: parentResult.detection;
});
_a = extractedFaces;
if (_a) return [3 /*break*/, 5];
if (!(input instanceof tf.Tensor)) return [3 /*break*/, 2];
return [4 /*yield*/, extractFaceTensors(input, faceBoxes)];
case 1:
_b = _c.sent();
return [3 /*break*/, 4];
case 2: return [4 /*yield*/, extractFaces(input, faceBoxes)];
case 3:
_b = _c.sent();
_c.label = 4;
case 4:
_a = (_b);
_c.label = 5;
case 5:
faces = _a;
return [4 /*yield*/, computeResults(faces)];
case 6:
results = _c.sent();
faces.forEach(function (f) { return f instanceof tf.Tensor && f.dispose(); });
return [2 /*return*/, results];
}
});
});
}
export function extractSingleFaceAndComputeResult(parentResult, input, computeResult, extractedFaces, getRectForAlignment) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2 /*return*/, extractAllFacesAndComputeResults([parentResult], input, function (faces) { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) {
return [2 /*return*/, computeResult(faces[0])];
}); }); }, extractedFaces, getRectForAlignment)];
});
});
}
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