Estimation of surface geometry from relative range images

Details Estimation of surface geometry from relative range images Estimation of surface geometry from relative range images

G - Physics

06

T

G06T 7/60 (2006.01) G06K 9/00 (2006.01) G06T 17/30 (2006.01)

Patent

CA 2140621

Abstract of the Disclosure A semi-automatic method is provided for finding an equation for a geometric surface patch that closely approximates a geometric surface within a digitized scene. By finding equations for patches within a scene, equations representing the entire scene can be found by stepwise sequential processing or alternatively by a system capable of parallel processing. Initially an operator using a mouse or pointing device selects a region from the digitized scene, and then selects one of a plurality of geometric surface types to represent a predominant geometric surface covered by the region. The process is based on randomly choosing the minimal number of data points from the selected region. Based on this information an equation of a surface on which the randomly selected points lie is determined. The process is repeated a predetermined number of times and the equation of the surface with the maximum number of associated data points is selected.

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