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Optimizing content-preserving projections for wide-angle images
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ACM Transactions on Graphics (TOG) archive
Volume 28 ,  Issue 3  (August 2009) table of contents
Proceedings of ACM SIGGRAPH 2009
SESSION: Image warping and interpolation table of contents
Article No. 43  
Year of Publication: 2009
ISSN:0730-0301
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Authors
Robert Carroll  University of California, Berkeley
Maneesh Agrawal  University of California, Berkeley
Aseem Agarwala  Adobe Systems, Inc.
Publisher
ACM  New York, NY, USA
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APPENDICES and SUPPLEMENTS
supplemental.zip contains a directory with a website (html and images) of additional results from the paper.


ABSTRACT

Any projection of a 3D scene into a wide-angle image unavoidably results in distortion. Current projection methods either bend straight lines in the scene, or locally distort the shapes of scene objects. We present a method that minimizes this distortion by adapting the projection to content in the scene, such as salient scene regions and lines, in order to preserve their shape. Our optimization technique computes a spatially-varying projection that respects user-specified constraints while minimizing a set of energy terms that measure wide-angle image distortion. We demonstrate the effectiveness of our approach by showing results on a variety of wide-angle photographs, as well as comparisons to standard projections.


REFERENCES

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Collaborative Colleagues:
Robert Carroll: colleagues
Maneesh Agrawal: colleagues
Aseem Agarwala: colleagues