Locally Adapted Projections to Reduce Panorama Distortions
Johannes Kopf, Dani Lischinski, Oliver Deussen, Daniel Cohen-Or, Michael Cohen
In Computer Graphics Forum, 28(4), 2009.
Abstract: Displaying panoramic and wide angle views on a flat 2D display surface is necessarily prone to distortions. Perspective projections are limited to fairly narrow view angles. Cylindrical and spherical projections can show full 360^circ panoramas, but at the cost of curving straight lines, interfering with the perception of salient shapes in the scene.In this paper, we introduce locally-adapted projections. Such projections are defined by a continuous projection surface consisting of both near-planar and curved parts. A simple and intuitive user interface allows the specification of regions of interest to be mapped to the near-planar parts, thereby reducing bending artifacts. We demonstrate the effectiveness of our approach on a variety of panoramic and wide angle images, including both indoor and outdoor scenes.
Keyword(s): I.3.3 [Computer Graphics]: Picture/Image Generation—Viewing algorithms
@article{CGF:CGF1485,
author = {Johannes Kopf and Dani Lischinski and Oliver Deussen and Daniel Cohen-Or and Michael Cohen},
title = {Locally Adapted Projections to Reduce Panorama Distortions},
journal = {Computer Graphics Forum},
volume = {28},
number = {4},
pages = {1083--1089},
year = {2009},
}
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