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Personal Photograph Enhancement Using Internet Photo Collections
Feb. 2014 (vol. 20 no. 2)
pp. 262-275
Chenxi Zhang, Center for Visualization & Virtual Environments, Univ. of Kentucky, Lexington, KY, USA
Jizhou Gao, Center for Visualization & Virtual Environments, Univ. of Kentucky, Lexington, KY, USA
Oliver Wang, Disney Res. Zurich, Zurich, Switzerland
Pierre Georgel, Dept. of Comput. Sci., Univ. of North Carolina at Chapel Hill, Chapel Hill, NC, USA
Ruigang Yang, Center for Visualization & Virtual Environments, Univ. of Kentucky, Lexington, KY, USA
James Davis, Dept. of Comput. Sci., Univ. of California at Santa Cruz, Santa Cruz, CA, USA
Jan-Michael Frahm, Dept. of Comput. Sci., Univ. of North Carolina at Chapel Hill, Chapel Hill, NC, USA
Marc Pollefeys, Dept. of Comput. Sci., ETH Zurich, Zurich, Switzerland
Given the growth of Internet photo collections, we now have a visual index of all major cities and tourist sites in the world. However, it is still a difficult task to capture that perfect shot with your own camera when visiting these places, especially when your camera itself has limitations, such as a limited field of view. In this paper, we propose a framework to overcome the imperfections of personal photographs of tourist sites using the rich information provided by large-scale Internet photo collections. Our method deploys state-of-the-art techniques for constructing initial 3D models from photo collections. The same techniques are then used to register personal photographs to these models, allowing us to augment personal 2D images with 3D information. This strong available scene prior allows us to address a number of traditionally challenging image enhancement techniques and achieve high-quality results using simple and robust algorithms. Specifically, we demonstrate automatic foreground segmentation, mono-to-stereo conversion, field-of-view expansion, photometric enhancement, and additionally automatic annotation with geolocation and tags. Our method clearly demonstrates some possible benefits of employing the rich information contained in online photo databases to efficiently enhance and augment one's own personal photographs.
Index Terms:
photometric enhancement,geotagging and locating,Image enhancement,Internet photo collections,segmentation,2D to 3D conversion,field-of-view expansion
Citation:
Chenxi Zhang, Jizhou Gao, Oliver Wang, Pierre Georgel, Ruigang Yang, James Davis, Jan-Michael Frahm, Marc Pollefeys, "Personal Photograph Enhancement Using Internet Photo Collections," IEEE Transactions on Visualization and Computer Graphics, vol. 20, no. 2, pp. 262-275, Feb. 2014, doi:10.1109/TVCG.2013.77
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