Multi perspective panoramic imaging

Authors:
Thomas Haenselmann;Marcel Busse;Stephan Kopf;Thomas King;Wolfgang Effelsberg
Affiliations:
University of Mannheim, Department of Applied Computer Science IV, A5(6), 68159 Mannheim, Germany;University of Mannheim, Department of Applied Computer Science IV, A5(6), 68159 Mannheim, Germany;University of Mannheim, Department of Applied Computer Science IV, A5(6), 68159 Mannheim, Germany;University of Mannheim, Department of Applied Computer Science IV, A5(6), 68159 Mannheim, Germany;University of Mannheim, Department of Applied Computer Science IV, A5(6), 68159 Mannheim, Germany
Venue:
Image and Vision Computing
Year:
2009

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Abstract

Panoramic images have only been feasible if all contributing image patches share a common center of projection. Then, they can be consolidated into a single image using perspective transforms. In contrast to that, we propose a novel non-linear warping scheme which allows the merging of multi-perspective images, thus taking advantage of scattered cameras. Therefore, a polygonal cut is defined in two source images to be merged. Usually, the layout of the cuts does not allow a user to stitch both images together naively. Thus, two convex combinations of a warped and a canonic coordinate system are applied so that both source images fit together at the cutting edge while the inevitable distortion decreases towards the borders of the image to obtain a natural appearance.