A review of indirect time-of-flight technologies

C Bamji, J Godbaz, M Oh, S Mehta… - … on Electron Devices, 2022 - ieeexplore.ieee.org
Indirect time-of-flight (iToF) cameras operate by illuminating a scene with modulated light
and inferring depth at each pixel by combining the back-reflected light with different gating …

Recent advances in transient imaging: A computer graphics and vision perspective

A Jarabo, B Masia, J Marco, D Gutierrez - Visual Informatics, 2017 - Elsevier
Transient imaging has recently made a huge impact in the computer graphics and computer
vision fields. By capturing, reconstructing, or simulating light transport at extreme temporal …

Deeptof: off-the-shelf real-time correction of multipath interference in time-of-flight imaging

J Marco, Q Hernandez, A Munoz, Y Dong… - ACM Transactions on …, 2017 - dl.acm.org
Time-of-flight (ToF) imaging has become a widespread technique for depth estimation,
allowing affordable off-the-shelf cameras to provide depth maps in real time. However …

Phasor imaging: A generalization of correlation-based time-of-flight imaging

M Gupta, SK Nayar, MB Hullin, J Martin - ACM Transactions on Graphics …, 2015 - dl.acm.org
In correlation-based time-of-flight (C-ToF) imaging systems, light sources with temporally
varying intensities illuminate the scene. Due to global illumination, the temporally varying …

Deep end-to-end time-of-flight imaging

S Su, F Heide, G Wetzstein… - Proceedings of the …, 2018 - openaccess.thecvf.com
We present an end-to-end image processing framework for time-of-flight (ToF) cameras.
Existing ToF image processing pipelines consist of a sequence of operations including …

SRA: Fast removal of general multipath for ToF sensors

D Freedman, Y Smolin, E Krupka, I Leichter… - Computer Vision–ECCV …, 2014 - Springer
A major issue with Time of Flight sensors is the presence of multipath interference. We
present Sparse Reflections Analysis (SRA), an algorithm for removing this interference …

Temporal frequency probing for 5D transient analysis of global light transport

M O'Toole, F Heide, L **ao, MB Hullin… - ACM Transactions on …, 2014 - dl.acm.org
We analyze light propagation in an unknown scene using projectors and cameras that
operate at transient timescales. In this new photography regime, the projector emits a spatio …

Resolving multipath interference in time-of-flight imaging via modulation frequency diversity and sparse regularization

A Bhandari, A Kadambi, R Whyte, C Barsi, M Feigin… - Optics letters, 2014 - opg.optica.org
Time-of-flight (ToF) cameras calculate depth maps by reconstructing phase shifts of
amplitude-modulated signals. For broad illumination of transparent objects, reflections from …

A light transport model for mitigating multipath interference in time-of-flight sensors

N Naik, A Kadambi, C Rhemann… - Proceedings of the …, 2015 - openaccess.thecvf.com
Continuous-wave Time-of-flight (TOF) range imaging has become a commercially viable
technology with many applications in computer vision and graphics. However, the depth …

Ultrastereo: Efficient learning-based matching for active stereo systems

SR Fanello, J Valentin, C Rhemann… - … IEEE Conference on …, 2017 - ieeexplore.ieee.org
Efficient estimation of depth from pairs of stereo images is one of the core problems in
computer vision. We efficiently solve the specialized problem of stereo matching under …