extractParams.js 3.9 KB

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  1. import { __assign } from "tslib";
  2. import * as tf from '@tensorflow/tfjs-core';
  3. import { extractConvParamsFactory, extractFCParamsFactory, extractWeightsFactory, } from '../common';
  4. function extractorsFactory(extractWeights, paramMappings) {
  5. var extractConvParams = extractConvParamsFactory(extractWeights, paramMappings);
  6. var extractFCParams = extractFCParamsFactory(extractWeights, paramMappings);
  7. function extractPReluParams(size, paramPath) {
  8. var alpha = tf.tensor1d(extractWeights(size));
  9. paramMappings.push({ paramPath: paramPath });
  10. return alpha;
  11. }
  12. function extractSharedParams(numFilters, mappedPrefix, isRnet) {
  13. if (isRnet === void 0) { isRnet = false; }
  14. var conv1 = extractConvParams(numFilters[0], numFilters[1], 3, mappedPrefix + "/conv1");
  15. var prelu1_alpha = extractPReluParams(numFilters[1], mappedPrefix + "/prelu1_alpha");
  16. var conv2 = extractConvParams(numFilters[1], numFilters[2], 3, mappedPrefix + "/conv2");
  17. var prelu2_alpha = extractPReluParams(numFilters[2], mappedPrefix + "/prelu2_alpha");
  18. var conv3 = extractConvParams(numFilters[2], numFilters[3], isRnet ? 2 : 3, mappedPrefix + "/conv3");
  19. var prelu3_alpha = extractPReluParams(numFilters[3], mappedPrefix + "/prelu3_alpha");
  20. return { conv1: conv1, prelu1_alpha: prelu1_alpha, conv2: conv2, prelu2_alpha: prelu2_alpha, conv3: conv3, prelu3_alpha: prelu3_alpha };
  21. }
  22. function extractPNetParams() {
  23. var sharedParams = extractSharedParams([3, 10, 16, 32], 'pnet');
  24. var conv4_1 = extractConvParams(32, 2, 1, 'pnet/conv4_1');
  25. var conv4_2 = extractConvParams(32, 4, 1, 'pnet/conv4_2');
  26. return __assign(__assign({}, sharedParams), { conv4_1: conv4_1, conv4_2: conv4_2 });
  27. }
  28. function extractRNetParams() {
  29. var sharedParams = extractSharedParams([3, 28, 48, 64], 'rnet', true);
  30. var fc1 = extractFCParams(576, 128, 'rnet/fc1');
  31. var prelu4_alpha = extractPReluParams(128, 'rnet/prelu4_alpha');
  32. var fc2_1 = extractFCParams(128, 2, 'rnet/fc2_1');
  33. var fc2_2 = extractFCParams(128, 4, 'rnet/fc2_2');
  34. return __assign(__assign({}, sharedParams), { fc1: fc1, prelu4_alpha: prelu4_alpha, fc2_1: fc2_1, fc2_2: fc2_2 });
  35. }
  36. function extractONetParams() {
  37. var sharedParams = extractSharedParams([3, 32, 64, 64], 'onet');
  38. var conv4 = extractConvParams(64, 128, 2, 'onet/conv4');
  39. var prelu4_alpha = extractPReluParams(128, 'onet/prelu4_alpha');
  40. var fc1 = extractFCParams(1152, 256, 'onet/fc1');
  41. var prelu5_alpha = extractPReluParams(256, 'onet/prelu5_alpha');
  42. var fc2_1 = extractFCParams(256, 2, 'onet/fc2_1');
  43. var fc2_2 = extractFCParams(256, 4, 'onet/fc2_2');
  44. var fc2_3 = extractFCParams(256, 10, 'onet/fc2_3');
  45. return __assign(__assign({}, sharedParams), { conv4: conv4, prelu4_alpha: prelu4_alpha, fc1: fc1, prelu5_alpha: prelu5_alpha, fc2_1: fc2_1, fc2_2: fc2_2, fc2_3: fc2_3 });
  46. }
  47. return {
  48. extractPNetParams: extractPNetParams,
  49. extractRNetParams: extractRNetParams,
  50. extractONetParams: extractONetParams
  51. };
  52. }
  53. export function extractParams(weights) {
  54. var _a = extractWeightsFactory(weights), extractWeights = _a.extractWeights, getRemainingWeights = _a.getRemainingWeights;
  55. var paramMappings = [];
  56. var _b = extractorsFactory(extractWeights, paramMappings), extractPNetParams = _b.extractPNetParams, extractRNetParams = _b.extractRNetParams, extractONetParams = _b.extractONetParams;
  57. var pnet = extractPNetParams();
  58. var rnet = extractRNetParams();
  59. var onet = extractONetParams();
  60. if (getRemainingWeights().length !== 0) {
  61. throw new Error("weights remaing after extract: " + getRemainingWeights().length);
  62. }
  63. return { params: { pnet: pnet, rnet: rnet, onet: onet }, paramMappings: paramMappings };
  64. }
  65. //# sourceMappingURL=extractParams.js.map