I completed my
Ph.D. research under the direction of Professor Pietro
Perona. Our group, the Vision Group , is
interested in many aspects of vision, from human to computer.
My research, in particular, was focused on how human
beings perceive 3-D shape from shaded images.
As
illustrated by this photograph of the statue of St. Sebastian
, even a grey-level image devoid of stereo information can give a
compelling impression of 3-D shape. Various visual cues that tell us
about 3-D shape can be derived from shading and boundary contour
information alone.
The study of the mechanisms and
processes our brain uses to build perceptual 3-D shapes from such 2-D
shading cues is known, in our jargon, as the study of shape from shading .
