Caravaggio, St. Francis in ecstasy

Under development...

Caravaggio's St. Francis in ecstasy in the Wadsworth Atheneum in Hartford CT xxx. The following is based on, and related to, the methods described in:

• David G. Stork and M. Kimo Johnson, "Estimating the position of illuminants in realist paintings: Computer image analysis addresses a debate in the art history of the Baroque," International conference on pattern recognition (ICPR), Volume I, pp. 255–258, 2006
• M. Kimo Johnson, David G. Stork, Soma Biswas, and Yasuo Furuichi, "Inferring illumination direction estimated from disparate sources in paintings: An investigation into Jan Vermeer's Girl with a pearl earring," SPIE Electronic Imaging Computer image analysisi in the study of art, vol 6810, David G. Stork and Jim Coddington (eds.), 68100I, SPIE 2008
• David G. Stork and M. Kimo Johnson, "

xxx

The occluding contour algorithm uses the pattern of luminance along an occluding or outer contour of an object to infer the direction of illumination.

xxx

xxx

What does this mean?

xxx