ROR: Rejection of Outliers by Rotations
IEEE Transactions on Pattern Analysis and Machine Intelligence
Machine Graphics & Vision International Journal
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In this paper, we propose a new solution to the stereo correspondence problem by including features in intensity based matching. The features we use are intensity gradients in both the x and y directions of the left and the deformed right images. Although a uniform smoothness constraint is still used, it is never-the-less applied only to non-feature regions. To avoid local minima in function minimization, we propose to parameterize the disparity function by hierarchical Gaussians. A simple stochastic gradient method is used to estimate the Gaussian weights. Experiments with various real stereo images show robust performances.