167 search results - page 1 / 34 » Level Set Methods for Dynamic Tomography |
ISBI
2004
IEEE
14 years 6 months ago
2004
IEEE
In this paper, we propose a novel variational framework for the reconstruction of dynamic objects from sparse and noisy tomographic data. Using an object-based scene model, we dev...
ISBI
2002
IEEE
13 years 10 months ago
2002
IEEE
A two-step shape reconstruction method for diffuse optical tomography (DOT) is presented which uses adjoint fields and level sets. The propagation of near-infrared photons in tis...
VIP
2000
13 years 6 months ago
2000
Emission tomography such as positron emission tomography (PET) and single-photon emission computed tomography (SPECT) can provide in vivo measurements of dynamic physiological and...
TMI
1998
13 years 4 months ago
1998
— When performing dynamic studies using emission tomography the tracer distribution changes during acquisition of a single set of projections. This is particularly true for some ...
ISBI
2002
IEEE
14 years 6 months ago
2002
IEEE
We show the feasibility and the potential of a new signal processing algorithm for the high-resolution deconvolution of OCT signals. Our technique relies on the description of the...