Efficient Multiresolution Algorithms for Computing Lightness, Shape-From-Shading, and Optical Flow

formul,lrions can 1~ linked to \,ari.ltion,il principles. as ncccssary condirion~ for minimi. through the I-Alcr-l ‘igr‘lngc cqu,itions of Lhc calculus of 1 ariationc 141. .2n ,ittracti\ c fcatiirc of many variational PI Inclplc and assoc~~cd Pl)E formulations. once discrctircd, is that thclr solutions can he computed by itcrati\e algorithms requiring onl! local computations uhich CAM hc pcrfolmcd in pnrailcl by man> simple processors in locall! -conncctcd networks or grids. Such algorithmic structures arc appealing. both in L icw of the apparent structure of biolog]cA vision s>rtcms and the imminent proliferation of m,issi\cly parallel, locally conncctcd VI SI processors for vision.