An experimental evaluation of computer graphics imagery

Gary W. Meyer, Holly E. Rushmeier, Michael F. Cohen, Donald P. Greenberg, Kenneth E. Torrance

Research output: Contribution to journalArticlepeer-review

100 Scopus citations

Abstract

Accurate simulation of light propagation within an environment and perceptually based imaging techniques are necessary for the creation of realistic images. A physical experiment that verifies the simulation of reflected light intensities for diffuse environments was conducted. Measurements of radiant energy flux densities are compared with predictions using the radiosity method for those physical environments. By using color science procedures the results of the light model simulation are then transformed to produce a color television image. The final image compares favorably with the original physical model. The experiment indicates that, when the physical model and the simulation were viewed through a view camera, subjects could not distinguish between them. The results and comparison of both test procedures are presented within this paper.

Original languageEnglish (US)
Pages (from-to)30-50
Number of pages21
JournalACM Transactions on Graphics (TOG)
Volume5
Issue number1
DOIs
StatePublished - Jan 1 1986

Keywords

  • Color science
  • image science
  • light reflection models
  • radiosity

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