602 search results - page 18 / 121 » gradient vector flow |
ICIP
1998
IEEE
14 years 11 months ago
1998
IEEE
Velocity spectra of a flow can be made by ultrasound Doppler measurements. Using only part of the information in these spectra, it is possible to reconstruct the solenoid part and...
VISUALIZATION
2003
IEEE
14 years 3 months ago
2003
IEEE
We propose Unsteady Flow Advection–Convolution (UFAC) as a novel visualization approach for unsteady flows. It performs time evolution governed by pathlines, but builds spatial...
IPMI
2005
Springer
14 years 10 months ago
2005
Springer
In this paper, a novel spatial feature, namely maximum distance-gradient-magnitude (MDGM), is defined for registration tasks. For each voxel in an image, the MDGM feature encodes s...
ICPR
2008
IEEE
14 years 11 months ago
2008
IEEE
In this paper, we propose an algorithm to resample coarse vector fields in order to obtain vector fields of a higher density. Unlike the typical linear interpolation scheme, our a...
GLOBECOM
2009
IEEE
14 years 4 months ago
2009
IEEE
— Semi-blind space-time equalisation is considered for dispersive multiple-input multiple-output systems that employ high-throughput quadrature amplitude modulation signalling. A...