Similarity between Images

SSIM (structural similarity)
Mean squared error
PSNR (peak signal to noise ratio)
Nvidia Flip
NN based: The Unreasonable Effectiveness of Deep Features as a Perceptual Metric

Papers #

MSE is used as a loss function for autoenoders

@inproceedings{lu2019level,
  title={The level weighted structural similarity loss: A step away from MSE},
  author={Lu, Yingjing},
  booktitle={Proceedings of the AAAI Conference on Artificial Intelligence},
  volume={33},
  number={01},
  pages={9989--9990},
  year={2019}
}