Computer Vision — ECCV'92

Volume 588 of the series Lecture Notes in Computer Science pp 395-410


A computational framework for determining stereo correspondence from a set of linear spatial filters

  • David G. JonesAffiliated withDept. of Electrical Engineering, McGill University
  • , Jitendra MalikAffiliated withComputer Science Division, University of California, Berkeley

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We present a computational framework for stereopsis based on the outputs of linear spatial filters tuned to a range of orientations and scales. This approach goes beyond edge-based and area-based approaches by using a richer image description and incorporating several stereo cues that have previously been neglected in the computer vision literature.

A technique based on using the pseudo-inverse is presented for characterizing the information present in a vector of filter responses. We show how in our framework viewing geometry can be recovered to determine the locations of epipolar lines. An assumption that visible surfaces in the scene are piecewise smooth leads to differential treatment of image regions corresponding to binocularly visible surfaces, surface boundaries, and occluded regions that are only monocularly visible. The constraints imposed by viewing geometry and piecewise smoothness are incorporated into an iterative algorithm that gives good results on random-dot stereograms, artificially generated scenes, and natural grey-level images.