TinyFaceFeatureExtractor.js 2.6 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", { value: true });
  3. var tslib_1 = require("tslib");
  4. var tf = require("@tensorflow/tfjs-core");
  5. var dom_1 = require("../dom");
  6. var NeuralNetwork_1 = require("../NeuralNetwork");
  7. var ops_1 = require("../ops");
  8. var denseBlock_1 = require("./denseBlock");
  9. var extractParamsFromWeigthMapTiny_1 = require("./extractParamsFromWeigthMapTiny");
  10. var extractParamsTiny_1 = require("./extractParamsTiny");
  11. var TinyFaceFeatureExtractor = /** @class */ (function (_super) {
  12. tslib_1.__extends(TinyFaceFeatureExtractor, _super);
  13. function TinyFaceFeatureExtractor() {
  14. return _super.call(this, 'TinyFaceFeatureExtractor') || this;
  15. }
  16. TinyFaceFeatureExtractor.prototype.forwardInput = function (input) {
  17. var params = this.params;
  18. if (!params) {
  19. throw new Error('TinyFaceFeatureExtractor - load model before inference');
  20. }
  21. return tf.tidy(function () {
  22. var batchTensor = input.toBatchTensor(112, true);
  23. var meanRgb = [122.782, 117.001, 104.298];
  24. var normalized = ops_1.normalize(batchTensor, meanRgb).div(tf.scalar(255));
  25. var out = denseBlock_1.denseBlock3(normalized, params.dense0, true);
  26. out = denseBlock_1.denseBlock3(out, params.dense1);
  27. out = denseBlock_1.denseBlock3(out, params.dense2);
  28. out = tf.avgPool(out, [14, 14], [2, 2], 'valid');
  29. return out;
  30. });
  31. };
  32. TinyFaceFeatureExtractor.prototype.forward = function (input) {
  33. return tslib_1.__awaiter(this, void 0, void 0, function () {
  34. var _a;
  35. return tslib_1.__generator(this, function (_b) {
  36. switch (_b.label) {
  37. case 0:
  38. _a = this.forwardInput;
  39. return [4 /*yield*/, dom_1.toNetInput(input)];
  40. case 1: return [2 /*return*/, _a.apply(this, [_b.sent()])];
  41. }
  42. });
  43. });
  44. };
  45. TinyFaceFeatureExtractor.prototype.getDefaultModelName = function () {
  46. return 'face_feature_extractor_tiny_model';
  47. };
  48. TinyFaceFeatureExtractor.prototype.extractParamsFromWeigthMap = function (weightMap) {
  49. return extractParamsFromWeigthMapTiny_1.extractParamsFromWeigthMapTiny(weightMap);
  50. };
  51. TinyFaceFeatureExtractor.prototype.extractParams = function (weights) {
  52. return extractParamsTiny_1.extractParamsTiny(weights);
  53. };
  54. return TinyFaceFeatureExtractor;
  55. }(NeuralNetwork_1.NeuralNetwork));
  56. exports.TinyFaceFeatureExtractor = TinyFaceFeatureExtractor;
  57. //# sourceMappingURL=TinyFaceFeatureExtractor.js.map