Efficient Illumination by High Dynamic Range Images

  title={Efficient Illumination by High Dynamic Range Images},
  author={Thomas Kollig and Alexander Keller},
  booktitle={Rendering Techniques},
We present an algorithm for determining quadrature rules for computing the direct illumination of predominantly diffuse objects by high dynamic range images. The new method precisely reproduces fine shadow detail, is much more efficient as compared to Monte Carlo integration, and does not require any manual intervention. 
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