@misc{indiciaec108782ce0c9,
  title = {Fast two-frame multiscale dense optical flow estimation using discrete wavelet filters.},
  author = {Haiying Liu and Rama Chellappa and Azriel Rosenfeld},
  year = {2003},
  doi = {10.1364/josaa.20.001505},
  url = {https://pubmed.ncbi.nlm.nih.gov/12938906/},
  note = {Source identifier: 12938906}
}