Shape from shading: estimation of reflectance map

@article{Seyama1998ShapeFS,
  title={Shape from shading: estimation of reflectance map},
  author={Jun'ichiro Seyama and Toshihiko Sato},
  journal={Vision Research},
  year={1998},
  volume={38},
  pages={3805-3815}
}
The reflectance map used by the visual system for perception of shape from shading was estimated. In Experiment 1, an image of a cylinder or a sphere illuminated from the viewer's direction was presented, and subjects estimated the cross-section of perceived 3D-shape. The reflectance map was estimated from the relationship between the stimulus image intensities and the slants of the measured cross-section. The estimated reflectance maps were not the ones based on Lambertian reflectance… CONTINUE READING
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