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Riesz pyramids for fast phase-based video magnification

Author(s)
Wadhwa, Neal; Rubinstein, Michael; Durand, Fredo; Freeman, William T.
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Abstract
We present a new compact image pyramid representation, the Riesz pyramid, that can be used for real-time phase-based motion magnification. Our new representation is less overcomplete than even the smallest two orientation, octave-bandwidth complex steerable pyramid, and can be implemented using compact, efficient linear filters in the spatial domain. Motion-magnified videos produced with this new representation are of comparable quality to those produced with the complex steerable pyramid. When used with phase-based video magnification, the Riesz pyramid phase-shifts image features along only their dominant orientation rather than every orientation like the complex steerable pyramid.
Date issued
2014-05
URI
http://hdl.handle.net/1721.1/100016
Department
Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Department of Mathematics
Journal
Proceedings of the 2014 IEEE International Conference on Computational Photography (ICCP)
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Wadhwa, Neal, Michael Rubinstein, Fredo Durand, and William T. Freeman. “Riesz Pyramids for Fast Phase-Based Video Magnification.” 2014 IEEE International Conference on Computational Photography (ICCP) (May 2014).
Version: Author's final manuscript
ISBN
978-1-4799-5188-8

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