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arXiv 1503.018042015-03-05cs.CVcs.GR

Frequency Domain TOF: Encoding Object Depth in Modulation Frequency

MIT Media Lab（麻省理工学院媒体实验室）；Skoltech（斯科尔科沃科学技术研究所）；Cornell University（康奈尔大学）

Achuta Kadambi, Vage Taamazyan, Suren Jayasuriya, Ramesh Raskar

备注：: 10 pages

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Time of flight cameras may emerge as the 3-D sensor of choice. Today, time of flight sensors use phase-based sampling, where the phase delay between emitted and received, high-frequency signals encodes distance. In this paper, we present a new time of flight architecture that relies only on frequency---we refer to this technique as frequency-domain time of flight (FD-TOF). Inspired by optical coherence tomography (OCT), FD-TOF excels when frequency bandwidth is high. With the increasing frequency of TOF sensors, new challenges to time of flight sensing continue to emerge. At high frequencies, FD-TOF offers several potential benefits over phase-based time of flight methods.

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