Homography optimization for consistent circular panorama generation

Authors:
Masatoshi Sakamoto;Yasuyuki Sugaya;Kenichi Kanatani
Affiliations:
Department of Computer Science, Okayama University, Okayama, Japan;Department of Information and Computer Sciences, Toyohashi University of Technology, Toyohashi, Aichi, Japan;Department of Computer Science, Okayama University, Okayama, Japan
Venue:
PSIVT'06 Proceedings of the First Pacific Rim conference on Advances in Image and Video Technology
Year:
2006

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Abstract

A 360° panorama is generated from images freely taken by a hand-held camera: images are pasted together and mapped onto a cylindrical surface. First, the lack of orientation information is overcome by invoking “oriented projective geometry”. Then, the inconsistencies arising from a 360° rotation of the viewing direction are resolved by optimizing all the homographies between images simultaneously, using Gauss-Newton iterations based on a Lie algebra representation. The effectiveness of our method is demonstrated using real images.