1987 search results - page 140 / 398 » Directional filtering transform |
153
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ECCV
2006
Springer
16 years 6 months ago
2006
Springer
In this paper we propose a Particle Filter-based propagation approach for the segmentation of vascular structures in 3D volumes. Because of pathologies and inhomogeneities, many de...
132
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ICIP
2005
IEEE
16 years 6 months ago
2005
IEEE
Shift-invariant linear algorithms can be described completely by the algorithm's response to an impulse input. The so called impulse response can be used as filter kernels wh...
153
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BC
2006
15 years 4 months ago
2006
Abstract In natural images, the distance measure between two images taken at different locations rises smoothly with increasing distance between the locations. This fact can be exp...
122
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TOG
2008
15 years 4 months ago
2008
Programmable graphics hardware makes it possible to generate procedural noise textures on the fly for interactive rendering. However, filtering and antialiasing procedural noise i...
127
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ICIP
2008
IEEE
16 years 6 months ago
2008
IEEE
A novel directionally adaptive image resolution enhancement method is proposed. The method uses a multiple-direction wavelet transform, called directionlets, to efficiently extrac...