TY - GEN
T1 - Computational imaging with multi-camera time-of-flight systems
AU - Shrestha, Shikhar
AU - Heide, Felix
AU - Heidrich, Wolfgang
AU - Wetzstein, Gordon
N1 - KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: National Science Foundation[1553333, 1539120]
PY - 2016/7/11
Y1 - 2016/7/11
N2 - Depth cameras are a ubiquitous technology used in a wide range of applications, including robotic and machine vision, human computer interaction, autonomous vehicles as well as augmented and virtual reality. In this paper, we explore the design and applications of phased multi-camera time-of-flight (ToF) systems. We develop a reproducible hardware system that allows for the exposure times and waveforms of up to three cameras to be synchronized. Using this system, we analyze waveform interference between multiple light sources in ToF applications and propose simple solutions to this problem. Building on the concept of orthogonal frequency design, we demonstrate state-of-the-art results for instantaneous radial velocity capture via Doppler time-of-flight imaging and we explore new directions for optically probing global illumination, for example by de-scattering dynamic scenes and by non-line-of-sight motion detection via frequency gating. © 2016 ACM.
AB - Depth cameras are a ubiquitous technology used in a wide range of applications, including robotic and machine vision, human computer interaction, autonomous vehicles as well as augmented and virtual reality. In this paper, we explore the design and applications of phased multi-camera time-of-flight (ToF) systems. We develop a reproducible hardware system that allows for the exposure times and waveforms of up to three cameras to be synchronized. Using this system, we analyze waveform interference between multiple light sources in ToF applications and propose simple solutions to this problem. Building on the concept of orthogonal frequency design, we demonstrate state-of-the-art results for instantaneous radial velocity capture via Doppler time-of-flight imaging and we explore new directions for optically probing global illumination, for example by de-scattering dynamic scenes and by non-line-of-sight motion detection via frequency gating. © 2016 ACM.
UR - http://hdl.handle.net/10754/621386
UR - https://dl.acm.org/doi/10.1145/2897824.2925928
UR - http://www.scopus.com/inward/record.url?scp=84980019064&partnerID=8YFLogxK
U2 - 10.1145/2897824.2925928
DO - 10.1145/2897824.2925928
M3 - Conference contribution
SP - 1
EP - 11
BT - ACM Transactions on Graphics
PB - Association for Computing Machinery (ACM)
ER -