title: What is regularization loss in tensorflow?
body: <p>When training an Object Detection DNN with Tensorflows Object Detection API it's Visualization Plattform Tensorboard plots a scalar named <code>regularization_loss_1</code></p>
  
  <p>What is this? I know what regularization is (to make the Network good at generalizing through various methods like dropout) But it is not clear to me what this displayed loss could be.</p>
  
  <p>Thanks!</p>