@misc{indiciae6515cd0df05b,
  title = {Approximating filtered scale-variant signals.},
  author = {Alan Conrad Bovik and Raghu G Raj},
  year = {2005},
  doi = {10.1109/tip.2004.838696},
  url = {https://pubmed.ncbi.nlm.nih.gov/15646870/},
  note = {Source identifier: 15646870}
}