code: public static ConfigQrCode fast() {
  		// A global threshold is faster than any local algorithm
  		// plus it will generate a simpler set of internal contours speeding up that process
  		ConfigQrCode config = new ConfigQrCode();
  		config.threshold = ConfigThreshold.global(ThresholdType.GLOBAL_OTSU);
  		return config;
  	}
docs: Default configuration for a QR Code detector which is optimized for speed