Pixelwise contrastive loss: ZeroDivisionError('float division by zero',)

[jankopanski]

SAN-822

  File "dense_correspondence/training/training_script_gdon.py", line 39, in <module>
    train.run()

  File "/home/jkopanski/code/dense_correspondence/training/training.py", line 385, in run
    blind_non_matches_b)

  File "/home/jkopanski/code/dense_correspondence/loss_functions/loss_composer.py", line 33, in get_loss
    blind_non_matches_a, blind_non_matches_b)

  File "/home/jkopanski/code/dense_correspondence/loss_functions/loss_composer.py", line 84, in get_within_scene_loss
    M_descriptor=pcl._config["M_masked"])

  File "/home/jkopanski/code/dense_correspondence/loss_functions/pixelwise_contrastive_loss.py", line 85, in get_loss_matched_and_non_matched_with_l2
    match_loss, _, _ = PCL.match_loss(image_a_pred, image_b_pred, matches_a, matches_b)

  File "/home/jkopanski/code/dense_correspondence/loss_functions/pixelwise_contrastive_loss.py", line 165, in match_loss
    match_loss = 1.0 / num_matches * (matches_a_descriptors - matches_b_descriptors).pow(2).sum()

ZeroDivisionError('float division by zero',)