Simultaneous phase and frequency stepping in Time-of-flight range imaging

Lickfold, Carl A.; Streeter, Lee; Cree, Michael J.; Scott, Jonathan B.

doi:10.1109/sensors43011.2019.8956800

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DOI

10.1109/sensors43011.2019.8956800

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Lickfold, C. A., Streeter, L., Cree, M. J., & Scott, J. B. (2019). Simultaneous phase and frequency stepping in Time-of-flight range imaging. In 2019 IEEE SENSORS. Washington, DC: IEEE. https://doi.org/10.1109/sensors43011.2019.8956800

Permanent Research Commons link: https://hdl.handle.net/10289/13395

Abstract

Time-of-flight (ToF) range imaging is an established full-field depth acquisition technology. ToF is prone to several forms of error, notably multi-path interference (MPI). Frequency stepping ToF mitigates these errors, but efficient computational methods suffer from bandwidth limitations. We introduce a new acquisition method based on simultaneous phase and frequency stepping, which is capable of running in real time and reduces error compared to phase stepping and frequency stepping alone.

Date

2019

Type

Conference Contribution

Publisher

IEEE

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This is an author’s accepted version of an article published in the proceeding of IEEE 2019 Sensors. © 2019 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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