1. A computer-implemented method for estimating disparities from multiview images, the method comprising: receiving N images of a scene, N≧3, the images taken from different viewpoints; modeling disparity between any pair of the N images as a function of (a) a disparity parameter applicable to all pairs of images, and (b) a viewpoint difference between the viewpoints of the images in the pair; and estimating the disparity parameter based on a set of pairs of images from the N images, based on the modeling of disparity for each pair in the set, and based on the viewpoint difference between viewpoints for each pair in the set.