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Omnigradient Based Total Variation Minimization for Enhanced Defocus Deblurring of Omnidirectional Images
International Journal of Optics
We propose a new method of image restoration for catadioptric defocus blur using omnitotal variation (Omni-TV) minimization based on omnigradient. Catadioptric omnidirectional imaging systems usually consist of conventional cameras and curved mirrors for capturing 360° field of view. The problem of catadioptric omnidirectional imaging defocus blur, which is caused by lens aperture and mirror curvature, becomes more severe when high resolution sensors and large apertures are used. In andoi:10.1155/2014/732937 fatcat:sngqx4voa5fd3oi6ngxkxaeifq