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Green Image
Issue No. 12 - December (2009 vol. 31)
ISSN: 0162-8828
pp: 2243-2256
Yuanjie Zheng , University of Delaware, Newark
Sing Bing Kang , Microsoft Corporation, Redmond
Stephen Lin , Microsoft Research Asia, Beijing
Jingyi Yu , University of Delaware, Newark
Chandra Kambhamettu , University of Delaware, Newark
In this paper, we propose a method for robustly determining the vignetting function given only a single image. Our method is designed to handle both textured and untextured regions in order to maximize the use of available information. To extract vignetting information from an image, we present adaptations of segmentation techniques that locate image regions with reliable data for vignetting estimation. Within each image region, our method capitalizes on the frequency characteristics and physical properties of vignetting to distinguish it from other sources of intensity variation. Rejection of outlier pixels is applied to improve the robustness of vignetting estimation. Comprehensive experiments demonstrate the effectiveness of this technique on a broad range of images with both simulated and natural vignetting effects. Causes of failures using the proposed algorithm are also analyzed.
Vignetting correction, camera calibration, low-level vision.
Yuanjie Zheng, Sing Bing Kang, Stephen Lin, Jingyi Yu, Chandra Kambhamettu, "Single-Image Vignetting Correction", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 31, no. , pp. 2243-2256, December 2009, doi:10.1109/TPAMI.2008.263
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