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| IB
BRDF: Determining Light |
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| Position |
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| § | Targets are
mounted on the |
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| base on the
sample |
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| § | Targets have a
known 3D |
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| position
relative to the |
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| sample and the
primary |
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| camera |
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| § | By analyzing the |
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| measurement
image the |
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| position of the
secondary |
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| camera and thus
the light |
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| source can be
determined |
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| § | This method is
accurate to a |
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| few millimeters |
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