Stereo matching algorithms
Match Pixels in Conjugate Epipolar Lines
•Assume brightness constancy
•This is a tough problem
•Numerous approaches
–dynamic programming [Baker 81,Ohta 85]
–smoothness functionals
–more images (trinocular, N-ocular) [Okutomi 93]
–graph cuts [Boykov 00]
•A good survey and evaluation:  http://www.middlebury.edu/stereo/