@article{wang2004,
  title={Image quality assessment: from error visibility to structural similarity},
  author={Zhou Wang and Alan C. Bovik and Hamid R. Sheikh and Eero P. Simoncelli},
  year={2004},
  journal={IEEE Transactions on Image Processing},
  doi={10.1109/tip.2003.819861},
  url={https://doi.org/10.1109/tip.2003.819861}
}