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There are some interesting cases where image processing techniques applied independently to the left and right eye images can preserve some parallax within the accepted limits of vertical disparity. We investigate the application of simple geometric techniques to determine which ones alter stereo and to what extent they alter stereo. We consider the simple affine transformations such as translation, rotation, scale and shear and show that interesting results can be obtained in some cases by applying a transformation to one eye image and not the other. We show that any 2D transformation applied to one eye view of a stereo pair that preserves lines/planes must be a composition of x-shears, x-translations and x-scales.© (2001) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only. |
