code: public void loadCoarseQuantizer(String filename) throws IOException {
  		coarseQuantizer = new double[numCoarseCentroids][vectorLength];
  		coarseQuantizer = AbstractFeatureAggregator.readQuantizer(filename, numCoarseCentroids, vectorLength);
  	}
docs: Load the coarse quantizer from the given file.
  
  @param filname
  Full path to the file containing the coarse quantizer
  @throws Exception