gx

chenyc

2025-02-12 ea42ff3ebee1eeb3fb29423aa848a249441db81c

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import { extractWeightsFactory, ParamMapping } from '../common/index';
import { extractorsFactory } from './extractorsFactory';
import { TinyFaceFeatureExtractorParams } from './types';
 
export function extractParamsTiny(weights: Float32Array): { params: TinyFaceFeatureExtractorParams, paramMappings: ParamMapping[] } {
  const paramMappings: ParamMapping[] = [];
 
  const {
    extractWeights,
    getRemainingWeights,
  } = extractWeightsFactory(weights);
 
  const {
    extractDenseBlock3Params,
  } = extractorsFactory(extractWeights, paramMappings);
 
  const dense0 = extractDenseBlock3Params(3, 32, 'dense0', true);
  const dense1 = extractDenseBlock3Params(32, 64, 'dense1');
  const dense2 = extractDenseBlock3Params(64, 128, 'dense2');
 
  if (getRemainingWeights().length !== 0) {
    throw new Error(`weights remaing after extract: ${getRemainingWeights().length}`);
  }
 
  return {
    paramMappings,
    params: { dense0, dense1, dense2 },
  };
}