Parallel processing of an object space for image synthesis using ray tracing

Hiroaki Kobayashi, Tadao Nakamura, Yoshiharu Shigei

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


This paper presents a novel parallel processing system for image synthesis using ray tracing. An object space is divided into parts (subspaces), each of which is allocated to a processor. The processor detects, simultaneously the intersections of the surfaces of each object and a fixed number of rays over the whole space, and calculates the local intensity on an object in each subspace. The global intensities of pixels on a screen are calculated by the other kind of processors simultaneously. We also present the optimal data structure, based on an adaptive division algorithm, for parallel processing of the object space.

Original languageEnglish
Pages (from-to)13-22
Number of pages10
JournalVisual Computer
Issue number1
Publication statusPublished - 1987 Feb


  • Data structures
  • Multiprocessor system
  • Ray tracing


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