# Estimating Stereo Disparities

 dc.date.accessioned 2004-10-01T20:50:25Z dc.date.accessioned 2018-11-24T10:10:57Z dc.date.available 2004-10-01T20:50:25Z dc.date.available 2018-11-24T10:10:57Z dc.date.issued 1967-02-01 en_US dc.identifier.uri http://hdl.handle.net/1721.1/5874 dc.identifier.uri http://repository.aust.edu.ng/xmlui/handle/1721.1/5874 dc.description.abstract An interesting practical and theoretical problem is putting bounds on how much computation one needs to find the stereo-disparity between two narrow-angle stereo scenes. By narrow angle I mean situations wherein the angle subtended by the eyes is a very few degrees: the kind of correlation-disparity method discussed here probably isn't applicable to the wide-angle stereo we'll usually use for scene-analysis in the Project. The method we consider is to find the local maximum of local correlation between the left and right scenes, over a range of displacements along the eye-eye axis. Obviously this is a simple-minded method that will fail in certain situations: here we are not interested in bad cases so much as in getting estimates of the minimal computation in the favorable situations. A correlation can be considered as a properly-normalized sum of pairwise products of intensifies (or other surface functions). The correlation, for each disparity d, is obtained by using pairs that are d units apart in visual angle, referred to a standard azimuth scale in each eye. One can imagine a scheme in which the pairs are all different in the retinas. en_US dc.format.extent 4 p. en_US dc.format.extent 3176087 bytes dc.format.extent 95562 bytes dc.language.iso en_US dc.title Estimating Stereo Disparities en_US
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