@misc{indiciae573786691a62,
  title = {Real-time image difference detection using a polarization rotation spacial light modulator},
  author = {Chao, Tien-Hsin and Liu, Hua-Kuang},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/20080008783},
  note = {Source identifier: 20080008783}
}