| IB BRDF:
Obtaining BRDFs |
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| § | For each pixel
in the primary camera image determine the |
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| surface point
and the normal |
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| § | The direction of
illumination is computed relative to the surface |
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| point and the
normal |
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| § | Compute the
relative irradiance from the known source |
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| geometry |
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| § | Compute the BRDF
by dividing the radiance (pixel value) by the |
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| irradiance |
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