NDLI: Automating joiners

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Automating joiners

Content Provider	ACM Digital Library
Author	Perona, Pietro Zelnik-Manor, Lihi
Abstract	Pictures taken from different view points cannot be stitched into a geometrically consistent mosaic, unless the structure of the scene is very special. However, geometrical consistency is not the only criterion for success: incorporating multiple view points into the same picture may produce compelling and informative representations. A multi viewpoint form of visual expression that has recently become highly popular is that of joiners (a term coined by artist David Hockney). Joiners are compositions where photographs are layered on a 2D canvas, with some photographs occluding others and boundaries fully visible. Composing joiners is currently a tedious manual process, especially when a great number of photographs is involved. We are thus interested in automating their construction. Our approach is based on optimizing a cost function encouraging image-to-image consistency which is measured on point-features and along picture boundaries. The optimization looks for consistency in the 2D composition rather than 3D geometrical scene consistency and explicitly considers occlusion between pictures. We illustrate our ideas with a number of experiments on collections of images of objects, people, and outdoor scenes.
Starting Page	121
Ending Page	131
Page Count	11
File Format	PDF
ISBN	9781595936240
DOI	10.1145/1274871.1274890
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-08-04
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Composition Joiner Panorama Multiple view point Mosaic
Content Type	Text
Resource Type	Article

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