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Motion-adaptive Compressive Coded Apertures

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Abstract

This paper describes an adaptive compressive coded aperture imaging system for video based on motion-compensated video sparsity models. In particular, motion models based on optical flow and sparse deviations from optical flow (i.e. salient motion) can be used to (a) predict future video frames from previous compressive measurements, (b) perform reconstruction using efficient online convex programming techniques, and (c) adapt the coded aperture to yield higher reconstruction fidelity in the vicinity of this salient motion.

Citation

Z. T. Harmany, A. K. Oh, R. F. Marcia and R. M. Willett, “Motion-adaptive compressive coded apertures”, in Proceedings of SPIE, 2011, vol. 8165, no. 1, 81651C–81651C-5.

BibTeX

@inproceedings{harmany-spie2011-adaptivecca,
  doi = {10.1117/12.892726},
  title = {Motion-adaptive compressive coded apertures},
  author = {Harmany, Zachary T. and Oh, Albert K. and Marcia, Roummel F. and Willett, Rebecca M.},
  booktitle = {Proceedings of SPIE},
  volume = {8165},
  number = {1},
  month = {sep},
  year = {2011},
  pages = {81651C–81651C-5},
  abstract = {This paper describes an adaptive compressive coded aperture imaging system for video based on motion-compensated video sparsity models. In particular, motion models based on optical flow and sparse deviations from optical flow (i.e. salient motion) can be used to (a) predict future video frames from previous compressive measurements, (b) perform reconstruction using efficient online convex programming techniques, and (c) adapt the coded aperture to yield higher reconstruction fidelity in the vicinity of this salient motion.}
}