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Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154433
Description: 4 page(s)
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154445
Description: Maximum Likelihood Estimation can provide an accurate estimate of activity distribution for Positron Emission Tomography (PET) and Single Photon Emission Computed Tomography (SPECT), however its uncon ... More
Reviewed: Reviewed
Date: 2010
Subject Keyword: 110300 Clinical Sciences
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154505
Description: Traditional gamma camera collimators have been based on a standard parallel design, usually with parallel holes. The collimator determines the resolution of the camera, but is also the determining fac ... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154411
Description: Motion estimation strategies found in literature may be categorized primarily into two types: data-driven using the SPECT acquisition data itself to determine motion, and external surrogate-based, whe ... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154405
Description: In emission tomography (ET), fast developing Bayesian reconstruction methods can incorporate anatomical information derived from co-registered scanning modalities, such as magnetic resonance (MR) and ... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154418
Description: Partial volume correction (PVC) can compensate for cross-talk between different anatomical regions in images from a functional imaging system with poor spatial resolution, such as PET or SPECT, by uti ... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154453
Description: Stochastic methods based on Maximum Likelihood Estimation (MLE) provide accurate tomographic reconstruction for emission imaging. Moreover methods based on MLE allow to include an accurate physical mo ... More
Reviewed: Reviewed
Date: 2010
Subject Keyword: 110300 Clinical Sciences
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1155101
Description: In this paper we propose a novel method for collimator design in single photon emission tomography (SPECT). The challenge here is to find a practical collimator design that allows good recovery and go ... More
Reviewed: Reviewed
Date: 2010
Subject Keyword: 110300 Clinical Sciences
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154417
Description: 4 page(s)
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154438
Description: This paper presents a generalization of the Bowsher prior for SPECT reconstruction using anatomical prior. Instead of considering a binary selection of the neighbors of each reconstructed voxel based ... More
Reviewed: Reviewed
Date: 2008
Subject Keyword: 110300 Clinical Sciences
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154398
Description: Our intention was to register combined FDG PET-CT head and neck images from multiple patients to a template image. We used a free-form deformation (FFD) nonrigid registration (NRR) algorithm. We aimed ... More
Reviewed: Reviewed
Date: 2008
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154393
Description: The desirability of multiplexing in SPECT acquisition remains controversial. Allowing multiplexing is a way of optimizing system sensitivity, however multiplexing has been found to deteriorate the ima ... More
Reviewed: Reviewed
Date: 2008
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154366
Description: 4 page(s)
Reviewed: Reviewed
Date: 2007
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1154311
Description: Diaphragm motion during respiration induces motion of the heart, which is known to cause artifacts in cardiac PET-CT imaging. A possible method of correcting for this is to build a predictive model, w ... More
Reviewed: Reviewed
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