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Ellipsoidal path connections for time-gated rendering

Authors:

Adithya Pediredla,

Ashok Veeraraghavan,

Ioannis GkioulekasAuthors Info & Claims

ACM Transactions on Graphics (TOG), Volume 38, Issue 4

Article No.: 38, Pages 1 - 12

https://doi.org/10.1145/3306346.3323016

Published: 12 July 2019 Publication History

Abstract

During the last decade, we have been witnessing the continued development of new time-of-flight imaging devices, and their increased use in numerous and varied applications. However, physics-based rendering techniques that can accurately simulate these devices are still lacking: while existing algorithms are adequate for certain tasks, such as simulating transient cameras, they are very inefficient for simulating time-gated cameras because of the large number of wasted path samples. We take steps towards addressing these deficiencies, by introducing a procedure for efficiently sampling paths with a predetermined length, and incorporating it within rendering frameworks tailored towards simulating time-gated imaging. We use our open-source implementation of the above to empirically demonstrate improved rendering performance in a variety of applications, including simulating proximity sensors, imaging through occlusions, depth-selective cameras, transient imaging in dynamic scenes, and non-line-of-sight imaging.

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Index Terms

Ellipsoidal path connections for time-gated rendering
1. Computing methodologies
  1. Computer graphics
    1. Rendering
      1. Ray tracing

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cover image ACM Transactions on Graphics

ACM Transactions on Graphics Volume 38, Issue 4

August 2019

1480 pages

ISSN:0730-0301

EISSN:1557-7368

DOI:10.1145/3306346

Editor:
Olga Sorkine-Hornung
ETH Zurich

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Copyright © 2019 ACM.

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Published: 12 July 2019

Published in TOG Volume 38, Issue 4

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Cited By

Yang SChen SZhang FYang XShi JZhang X(2024)Environmental Interference Suppression by Hybrid Segmentation Algorithm for Open-Area Electromagnetic Capability TestingApplied Sciences10.3390/app1407270314:7(2703)Online publication date: 23-Mar-2024
https://doi.org/10.3390/app14072703
He QDu DJiang HJin X(2024)DARTS: Diffusion Approximated Residual Time Sampling for Time-of-flight Rendering in Homogeneous Scattering MediaACM Transactions on Graphics10.1145/368793043:6(1-14)Online publication date: 19-Dec-2024
https://dl.acm.org/doi/10.1145/3687930
Lung RPolydorides N(2024)Imaging of Atmospheric Dispersion Processes with Differential Absorption LidarSIAM Journal on Imaging Sciences10.1137/23M159840417:3(1467-1510)Online publication date: 12-Jul-2024
https://doi.org/10.1137/23M1598404
Klinghoffer TXiang XSomasundaram SFan YRichardt CRaskar RRanjan R(2024)PlatoNeRF: 3D Reconstruction in Plato's Cave via Single-View Two-Bounce Lidar2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)10.1109/CVPR52733.2024.01380(14565-14574)Online publication date: 16-Jun-2024
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Okunev MMapeke MAttal BRichardt CO’Toole MTompkin J(2024)Flowed Time of Flight Radiance FieldsComputer Vision – ECCV 202410.1007/978-3-031-73033-7_21(373-389)Online publication date: 29-Sep-2024
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PEDIREDLA AFunatomi TOkabe T(2024)Time‐of‐Flight and Transient RenderingComputational Imaging for Scene Understanding10.1002/9781394284436.ch3(45-67)Online publication date: 19-Apr-2024
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