A Variational Approach to Shape-from-Shading Under Natural Illumination
1986 ◽
Vol 33
(2)
◽
pp. 174-208
◽
1985 ◽
Vol 32
(1)
◽
pp. 142
◽
1987 ◽
Vol 48
(C9)
◽
pp. C9-555-C9-558