code: private Thread startFramesRefresher() {
  		Thread refresher = new Thread(this, String.format("frames-refresher-[%s]", id));
  		refresher.setUncaughtExceptionHandler(WebcamExceptionHandler.getInstance());
  		refresher.setDaemon(true);
  		refresher.start();
  		return refresher;
  	}
docs: Start underlying frames refresher.
  
  @return Refresher thread