A Lamp-Lit Image Rendering of Automotive Rear Lamp Using Spectral-Based Ray Tracing Method

Paper #:
  • 2005-01-1925

Published:
  • 2005-04-11
Citation:
Lee, M., Ha, Y., Shin, J., Park, J. et al., "A Lamp-Lit Image Rendering of Automotive Rear Lamp Using Spectral-Based Ray Tracing Method," SAE Technical Paper 2005-01-1925, 2005, https://doi.org/10.4271/2005-01-1925.
Pages:
12
Abstract:
This study proposes a new algorithm that can render a realistic image of an automotive rear lamp using the backward ray tracing method. To produce a realistic image similar to that perceived by the human eye, the physical transformation procedures of light energy are traced by a spectral interaction definition. The incident light energy at the eye point estimated by a ray tracing algorithm is represented by XYZ tri-stimulus values, which are then converted into RGB values considering the particular display device. A more effective form of light source modeling than the Monte-Carlo integration method is also applied for accurate simulation. Finally, comparisons of traced results and real measurements are performed in terms of the spectral distribution, image detail, and visual experiments.
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