BRDF-Shop: Creating Physically Correct Bidirectional Reflectance Distribution Functions

  • Authors:
  • Mark Colbert;Sumanta Pattanaik;Jaroslav Krivanek

  • Affiliations:
  • University of Central Florida;University of Central Florida;University of Central Florida

  • Venue:
  • IEEE Computer Graphics and Applications
  • Year:
  • 2006

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Abstract

This articles presents an interface for quick and intuitive development of arbitrary, but physically correct, bidirectional reflectance distribution functions, or BRDFs. The interface, referred to as BRDF-Shop, gives artists the ability to create a BRDF through positioning and manipulating highlights on a spherical canvas. The authors develop a novel mapping between painted highlights and specular lobes of an extended Ward BRDF model. The implementation of BRDF Shop uses programmable graphics hardware to provide a real-time visualization of the material on a complex object in environment lighting.