Material and shape perception based on two types of intensity gradient information
Fig 19
An object with inconsistent highlights was made by combining the diffuse pattern with the rotated and displaced specular pattern (bottom). The skewness of the intensity histogram of the object image was modulated using a standard histogram matching method. The glossy objects with veridical highlights are also shown (upper). They are the same stimuli as used in Experiment 1 (Fig 9).