32 search results - page 1 / 7 » FFT and Convolution Performance in Image Filtering on GPU |
IV
2006
IEEE
13 years 10 months ago
2006
IEEE
Many contemporary visualization tools comprise some image filtering approach. Since image filtering approaches are very computationally demanding, the acceleration using graphic...
EGH
2003
Springer
13 years 9 months ago
2003
Springer
The Fourier transform is a well known and widely used tool in many scientific and engineering fields. The Fourier transform is essential for many image processing techniques, in...
ICIP
2010
IEEE
13 years 2 months ago
2010
IEEE
Convolution operator is a linear operator characterized by a point spread functions (PSF). In classical image restoration problems, the blur is usually shift invariant and so the ...
ICIP
2009
IEEE
14 years 5 months ago
2009
IEEE
This paper presents a novel method to approximate shiftvariant Gaussian filtering of an image using a set of shiftinvariant Gaussian filters. This approximation affords filtering ...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
Anisotropic Gaussian filters are useful for adaptive smoothing and feature extraction. In our application, micro - tomographic images of fibers were smoothed by anisotropic Gaussi...