Using event-based optical flow to determine the Shack-Hartmann spot displacements

Fanpeng Kong; Gregory Cohen; Andrew Lambert

doi:10.1364/PCAOP.2019.PW4C.3

Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)
OSA Technical Digest (Optica Publishing Group, 2019),
paper PW4C.3
•https://doi.org/10.1364/PCAOP.2019.PW4C.3

Using event-based optical flow to determine the Shack-Hartmann spot displacements

Fanpeng Kong, Gregory Cohen, and Andrew Lambert

Propagation Through and Characterization of Atmospheric and Oceanic Phenomena 2019

Munich Germany
24–27 June 2019
ISBN: 978-1-943580-63-7

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Wavefront Sensing & Optical Links (PW4C)

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F. Kong, G. Cohen, and A. Lambert, "Using event-based optical flow to determine the Shack-Hartmann spot displacements," in Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP), OSA Technical Digest (Optica Publishing Group, 2019), paper PW4C.3.

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Abstract

Event-based sensors output a continuous stream of time-tagged pixel locations where the change of integrated intensity exceeds a threshold. We use this spatio-temporal data to measure the displacement in a Shack-Hartmann spots pattern.

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