25 search results - page 3 / 5 » Tomographic Reconstruction of Piecewise Smooth Images |
ICIP
2010
IEEE
14 years 8 months ago
2010
IEEE
This paper describes an optimization framework for reconstructing nonnegative image intensities from linear projections contaminated with Poisson noise. Such Poisson inverse probl...
TMI
2002
14 years 9 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...
104
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TIP
1998
14 years 9 months ago
1998
Abstract—We propose a method for the reconstruction of signals and images observed partially through a linear operator with a large support (e.g., a Fourier transform on a sparse...
CVPR
2000
IEEE
15 years 12 months ago
2000
IEEE
In this work, we approach the classic Mumford-Shah problem from a curve evolution perspective. In particular, we let a given family of curves define the boundaries between regions...
125
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PAMI
2007
14 years 9 months ago
2007
— Digitization is not as easy as it looks. If one digitizes a 3D object even with a dense sampling grid, the reconstructed digital object may have topological distortions and in ...