A Geodesic-Preserving Method for Image Warping
Dongping Li, Kaiming He, Jian Sun, Kun Zhou
Abstract
The manipulation of panoramic/wide-angle images is usually achieved via image warping. Though various techniques have been developed for preserving shapes and straight lines for warping, these are not sufficient for panoramic/wide-angle images. The image projections will turn the straight lines into curved "geodesic lines", and it is fundamentally impossible to keep all these lines straight. In this work, we propose a geodesic-preserving method for content-aware image warping. An energy term is introduced to preserve the geodesic appearance of the geodesic lines, and can be used with shape-preserving terms. Our method is demonstrated in various applications, including rectangling panoramas, resizing panoramic/wide-angle images, and wide-angle image manipulation. An extension to ellipse preservation for general images is also presented.
BibTeX
@inproceedings{cvpr2015_ageodesicpreserv,
title = {A Geodesic-Preserving Method for Image Warping},
author = {Dongping Li and Kaiming He and Jian Sun and Kun Zhou},
booktitle = {CVPR 2015},
year = {2015}
}