When Shadows Become Interreflections

  title={When Shadows Become Interreflections},
  author={Michael S. Langer},
  journal={International Journal of Computer Vision},
Shadows and interreflections are present in all real scenes and provide a rich set of photometric cues for vision. In this paper, we show how shadows and interreflections are intrinsically related. Shadows tend to occur in those parts of a scene in which interreflections have the largest gain. We provide several basic results concerning this relationship in terms of the interreflection modes of a scene. We show that for a given scene, the interreflection mode having the largest gain is a… CONTINUE READING
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