Shadow rendering for improved volumetric visualization in real time 4D-OCT

Hyeonseog Jeong, Hyung Jin Kim, Min Gyu Hyeon, Youngwoon Choi, Beop-Min Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Progress in swept source laser technology and graphics processing unit (GPU) realized live volumetric OCT (4D-OCT). Shadowing is one of advanced rendering techniques to add more realistic spatial comprehension to objects in space. We developed and implemented a shadow extended ray casting technique to be applied for real time 4D-OCT, using both a SS-OCT and SD-OCT. Our results show that the shadow extended ray casting technique achieves greater threedimensionality in volumetric data through self-shadowing, and also improves depth perception of objects in space because of planar shadows projected onto a surface. The shadowing algorithm was implemented using texture memory of the GPU, which achieves surgeon-interactive surgical guidance of ophthalmic microsurgery.

Original languageEnglish
Title of host publicationOptical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIII
EditorsJoseph A. Izatt, James G. Fujimoto
PublisherSPIE
ISBN (Electronic)9781510623767
DOIs
Publication statusPublished - 2019 Jan 1
EventOptical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIII 2019 - San Francisco, United States
Duration: 2019 Feb 32019 Feb 6

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume10867
ISSN (Print)1605-7422

Conference

ConferenceOptical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIII 2019
CountryUnited States
CitySan Francisco
Period19/2/319/2/6

Keywords

  • CUDA
  • GPU accelerated
  • Ray casting
  • Real time 4D-OCT
  • Shadow
  • Volume rendering

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

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