83 search results - page 2 / 17 » Blur kernel estimation using the Radon Transform |
MVA
2007
13 years 7 months ago
2007
In this paper, we restore a blurred image caused by defocus of a lens using the shift-invariant Wavelet transform realized by the RI-Spline Wavelets. In a defocus blurred image, t...
ICASSP
2010
IEEE
13 years 6 months ago
2010
IEEE
In this article, a novel method to accurately estimate 3D surface of objects of interest is proposed. Each ray projected from 2D image plane to 3D space is modelled with the Gauss...
TMI
2002
13 years 5 months ago
2002
Abstract--We present an explicit formula for B-spline convolution kernels; these are defined as the convolution of several B-splines of variable widths and degrees . We apply our r...
ICIP
2007
IEEE
14 years 7 months ago
2007
IEEE
Integral projections have been proposed as an efficient method to reduce the dimensionality of the search space in motion estimation (ME) algorithms. A number of papers describe m...
ICASSP
2008
IEEE
14 years 6 days ago
2008
IEEE
Super-resolution reconstruction algorithms assume the availability of exact registration and blur parameters. Inaccurate estimation of these parameters adversely affects the quali...