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The Journal of Nuclear Medicine, ISSN 0161-5505, 05/2017, Volume 58, p. 572
Journal Article
Physics in Medicine and Biology, ISSN 0031-9155, 01/2012, Volume 57, Issue 2, pp. 309 - 328
Journal Article
Physics in Medicine and Biology, ISSN 0031-9155, 01/2012, Volume 57, p. 309
Journal Article
2008 IEEE Nuclear Science Symposium Conference Record, ISSN 1082-3654, 10/2008, pp. 3730 - 3733
We evaluated the impact of resolution versus sensitivity tradeoffs on the detection performances of SPECT imaging systems. Images were reconstructed using... 
Geometry | Performance evaluation | Image resolution | Uncertainty | Nuclear and plasma sciences | Laboratories | Detectors | Telephony | Neoplasms | Image reconstruction
Conference Proceeding
2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC), ISSN 1082-3654, 10/2012, pp. 4062 - 4066
Clinical widespread use of edge-preserving penalized-likelihood (PL) methods has been hindered by the properties of the resulting images such as blocky... 
Conference Proceeding
IEEE Transactions on Medical Imaging, ISSN 0278-0062, 04/2002, Volume 21, Issue 4, pp. 396 - 404
We describe a method for computing a continuous time estimate of tracer density using list-mode positron emission tomography data. The rate function in each... 
Performance evaluation | Maximum likelihood estimation | Electromagnetic scattering | Particle scattering | Spatiotemporal phenomena | Positron emission tomography | Spatial resolution | Image reconstruction | Spline | Optical control | Spline functions | Smoothing methods | Conjugate gradient methods | Calibration | Estimation | Poisson processes | conjugate gradient methods | MAXIMUM-LIKELIHOOD | poisson processes | ENGINEERING, BIOMEDICAL | smoothing methods | BAYESIAN IMAGE-RECONSTRUCTION | RESOLUTION | IMAGING SCIENCE & PHOTOGRAPHIC TECHNOLOGY | LEAST-SQUARES | ENGINEERING, ELECTRICAL & ELECTRONIC | estimation | COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS | EM ALGORITHM | EMISSION-TOMOGRAPHY | spline functions | 3-D PET | calibration | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | Raclopride - pharmacokinetics | Radiopharmaceuticals - pharmacokinetics | Carbon Radioisotopes - pharmacokinetics | Humans | Models, Statistical | Tomography, Emission-Computed - methods | Brain - metabolism | Tissue Distribution | Tomography, Emission-Computed - instrumentation | Algorithms | Computer Simulation | Poisson Distribution | Image Enhancement - methods | Phantoms, Imaging | PET imaging | Analysis | Diagnostic imaging | TOMOGRAPHY | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | DISTRIBUTION | PHOTONS | RADIOLOGY AND NUCLEAR MEDICINE | EVALUATION | PET LIST MODE RECONSTRUCTION | POSITRONS | ROUGHNESS
Journal Article
2008 IEEE Nuclear Science Symposium Conference Record, ISSN 1082-3654, 10/2008, pp. 5175 - 5178
Miscalibration of Time-of-Flight (TOF) PET systems can result in significant degradation in reconstructed image quality. We present two expressions for... 
Image quality | Degradation | Delay effects | Delay estimation | Detectors | Timing | Calibration | Positron emission tomography | Image reconstruction | Pixel
Conference Proceeding
Progress in Biomedical Optics and Imaging - Proceedings of SPIE, ISSN 1605-7422, 2014, Volume 9033
Conference Proceeding
IEEE Nuclear Science Symposium Conference Record, ISSN 1095-7863, 2013, Volume 2013, pp. 1 - 4
Extremely low-dose CT acquisitions for the purpose of PET attenuation correction will have a high level of noise and biasing artifacts due to factors such as... 
Reconstruction | Positron emission | Clusters | Tomography | Attenuation | Mathematical models | Iterative methods | Image reconstruction | Marketing
Conference Proceeding
IEEE Nuclear Science Symposium Conference Record, ISSN 1095-7863, 2013, pp. 1 - 5
Most image reconstruction methods have parameters for users to determine: for example, an iteration number and post-reconstruction filter parameters in OSEM,... 
Reconstruction | Image quality | Mathematical analysis | Byproducts | Mathematical models | Regularization | Power law | Patients | Variance
Conference Proceeding
IEEE Nuclear Science Symposium Conference Record, ISSN 1095-7863, 2013, pp. 1 - 4
Partial volume errors, caused by finite image resolution, that is, blurring in reconstructed images, prevent accurate quantitation of lesion uptake in... 
Image quality | Image resolution | Polyvinyl chlorides | Mathematical analysis | Positron emission | Tomography | Error correction | Recovery | Image reconstruction
Conference Proceeding
IEEE Nuclear Science Symposium Conference Record, ISSN 1095-7863, 2013, pp. 1 - 4
Computational cost is a major challenge for 3D PET image reconstruction. Traditional ordered subsets based methods, such as OS-EM, accelerate the... 
Algorithms | Mathematical analysis | Positron emission | Tomography | Mathematical models | Computational efficiency | Lesions | Image reconstruction | Convergence
Conference Proceeding
Journal Article
IEEE Nuclear Science Symposuim & Medical Imaging Conference, ISSN 1082-3654, 10/2010, pp. 3032 - 3037
We present an adaptive acquisition protocol design technique with the goal of improving local contrast-to-noise ratios (CNR) for flexible SPECT and PET... 
Measurement | Collimators | Smoothing methods | Noise | Resource management | Lesions | Optimization
Conference Proceeding
IEEE Transactions on Medical Imaging, ISSN 0278-0062, 01/2006, Volume 25, Issue 1, pp. 42 - 54
Journal Article
IEEE Nuclear Science Symposium Conference Record, ISSN 1095-7863, 2013, pp. 1 - 6
One advantage of a combined PET/CT scanner is that a fast CT acquisition provides a high quality attenuation correction map for PET reconstruction. A... 
Electric potential | Noise | Bias | Diagnostic software | Voltage | Positron emission | Tomography | Computer aided tomography | Attenuation
Conference Proceeding
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