NDLI: Normalisation of listmode data with application to HiDAC data

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Resolution properties of triple-headed coincidence imaging

Randoms distributions for triple-head gamma-camera PET systems

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Optimization of septal spacing in hybrid PET using estimation task performance

Inexpensive position sensitive detector block for 40 mm diameter PMT using quadrant sharing configuration

Design and feasibility study of an ultra-fast high resolution PET detector

Count rate analysis of PET scanner designs based on a GSO depth of interaction detector with a large area PS-PMT

The design of a high resolution transformable wholebody PET camera

A new high resolution PET scanner dedicated to brain research

NEMA evaluation of the first and second generation of the Ecat Exact and Ecat Exact HR family of scanners

The ECAT HRRT: NEMA NEC evaluation of the HRRT system, the new High Resolution Research Tomograph

Performance evaluation of 2D compact PET systems - with applications to system design optimization

Evaluation of a high resolution positron emission tomography (PET) scanner for positron emission mammography (PEM)

First results of a dedicated breast PET imager, BPET, using NaI(Tl) curve plate detectors

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Collimation of a /sup 137/Cs point source for transmission scanning in PET

Normalisation of emission and transmission data taken with a large-area positron camera, PETRRA

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Multi-scanner PET 2D/3D comparison with cerebral FDG

Benchmarking a Monte Carlo simulation code on a prototype LSO scanner

Noninvasive estimation of cerebral blood flow using image-derived carotid input function in H/sub 2//sup 15/O dynamic PET

Addressing the third gamma problem in PET

Scintillator and photodetectors comparison for compact gamma cameras

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Accurate modeling of fan-beam collimators in brain SPECT imaging using Monte Carlo simulation

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Parallel-beam Tilted-Head analytic SPECT reconstruction

Tumor SNR analysis in scintimammography by dedicated high contrast imager

Implementation and initial characterization of acquisition orbits about a pendulous breast using the ASET system

SPECT breast imaging using more nearly complete orbits and combined pinhole-parallel-beam collimation

Evaluation of rotating slant-hole SPECT mammography using Monte-Carlo simulation methods

Human [/sup 123/I]5-I-A-85380 dynamic SPECT studies in normals: kinetic analysis and parametric imaging

Effects of temporal modeling on the statistical uncertainty of spatiotemporal distributions estimated directly from dynamic SPECT projections

Design of temporal sampling schedules for dynamic cardiac FDG SPECT

Variations in gastric emptying times of three stomach regions for simple and complex meals using scintigraphy

Optimization of Ga-67 imaging for detection and estimation tasks: dependence of imaging performance on choice of energy windows

Combination of MCNP and SimSET for Monte Carlo simulation of SPECT with medium and high energy photons

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Modeling SPECT acquisition and processing of changing radiopharmaceutical distributions

Modeling the respiratory motion of solitary pulmonary nodules for investigating SPECT tumor imaging

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Lung image segmentation and registration for quantitative image analysis

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Hierarchical structure for data transmission of volumetric medical images using three-dimensional wavelet transform

Radially-dependent nonlinear sinogram filtering

Input recovery from noisy output measurements: a Monte Carlo method

On estimating the variance of smoothed MLEM images

A bootstrap approach for analyzing the statistical properties of SPECT and PET images

Excess height versus cluster extent in subtraction SPECT

Absolute quantitation in simultaneous /sup 99m/Tc//sup 123/I brain SPECT using ANN: design optimization and validation

An algorithm to adjust a rigid CT-SPECT fusion so as to maximize tumor counts from CT VoI in I-131 therapies

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Registration of CT and SPECT volumes using CT reprojections and planar transmission images

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Accurate attenuation correction in PET using short transmission scans and consistency information

Factor analysis: delineation of organ structures and automatic generation of in- and output functions in PET studies of prostate cancer

Acquisition of attenuation map for brain PET study using optical tracking system

Characterization of single and multiple scatter from matter and activity distributions outside the FOV in PET

A simulation-based assessment of the revised NEMA NU-2 70 cm long test phantom for PET

Parameterization of a model-based 3D whole-body PET scatter correction

Towards epitaxial lead iodide films for X-ray digital imaging

High-resolution x-ray imaging using Rowland-circle Bragg optics

Medipix2, a 64k pixel read out chip with 55 /spl mu/m square elements working in single photon counting mode

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4-dimensional computed tomography (4D CT) - its concepts and preliminary development

Lung modeling for nodule analysis in HRCT

Impact of scatter correction in the kinetic analysis of a D2 receptor ligand SPECT study

A recursive algorithm for quantification of brain perfusion SPECT images

Efficient simulation of SPECT down-scatter including photon interactions with crystal and lead

Attenuation correction using SPECT emission data only

Attenuation correction for rotating slant-hole (RSH) SPECT using exact rebinning

A study of the influence of local variations in myocardial thickness on SPECT perfusion imaging

Study of the efficacy of respiratory gating in myocardial SPECT using the new 4D NCAT phantom

High resolution detector modules based on NaI(Tl) arrays for small animal imaging

Design of IndyPET-II, a high-resolution, high-sensitivity dedicated research scanner

Design studies for a volumetric high resolution small animal PET

Resolution uniformity and sensitivity of the NIH ATLAS small animal PET scanner: comparison to simulated LSO scanners without depth-of-interaction capability

Normalisation of listmode data with application to HiDAC data

Modeling /sup 13/N-ammonia from projections in rat-PET studies

Imaging the unanesthetized rat brain with PET: a feasibility study

MicroPET imaging with non-conventional isotopes

Quantitative YAP-(S)PET small animal scanner: preliminary results

A prototype coded aperture detector for small animal SPECT

Development of a multi-pinhole detector for high-sensitivity SPECT imaging

A coded aperture for high-resolution nuclear medicine planar imaging with a conventional Anger camera: experimental results

Design of high sensitivity, high resolution compact single photon imaging devices for small animal and dedicated breast imaging

Optimizing gold and platinum pinhole collimators for imaging of small volumes at ultra-high resolution

Development and evaluation of a MicroCT system for small animal imaging

Preliminary studies of a micro-CT for a combined small animal PET/CT scanner

Preliminary results from the AROPET

Development of a LGSO detector using a tapered fiber for a high-resolution animal PET

First results with a novel X-ray source for dual energy angiography

X-ray laminographic application of lens-coupled CMOS detector for PCB inspection

Towards room temperature CCD autoradiography: methods for minimizing the effects of dark current at room temperature

Experimental study of Compton scattering reduction in digital mammographic imaging

Extraction of mask image for DSA using principal component analysis

Gas scintillation proportional counters for energy, position and time resolved X-ray spectroscopy

A CT demonstrator based on a CZT solid state detector

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Optimization of derivative kernels for exact cone-beam ROI reconstruction in spiral computed tomography

Solution to the long object problem by convolutions with spatially variant 1D Hilbert transforms in spiral cone-beam computed tomography

Noise properties of low-dose CT projections and noise treatment by scale transformations

Statistical model registration for a C-arm CT system

Quantification of width and density of bone structures by computed tomography

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A multi-slice helical CT reconstruction with generalized weighting

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Maximum likelihood image reconstruction in positron emission tomography using subgradient projections algorithms

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ROC analysis of ordered subset expectation maximization and filtered back projection technique for FDG-PET in lung cancer

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Evaluation of A-SPECT: a desktop pinhole SPECT system for small animal imaging

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Design and utility of a small animal CT/SPECT system

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Normalisation of listmode data with application to HiDAC data

Content Provider	IEEE Xplore Digital Library
Author	Thielemans, K. Morel, C. Jacobson, M.W. Kaempf, J.H. Mustafovic, S.
Copyright Year	2002
Description	Author affiliation: Imaging Res. Solutions Ltd., Hammersmith Hosp., London, UK (Thielemans, K.)
Abstract	Many PET scanners nowadays have the possibility to record event-by-event information, known as listmode data. This has the advantage to keep the data in the highest possible resolution (both temporal and spatial). In most cases, listmode data are then binned into sinogram format before reconstruction. In this paper, we discuss at which stage normalisation factors should be introduced. It is shown that noise is greatly reduced by performing the normalisation after the binning. We also briefly discuss the consequences for strictly listmode-based algorithms. We illustrate this with acquired and simulated data for the quad HiDAC camera.
Starting Page	1559
Ending Page	1563
File Size	775221
Page Count	5
File Format	PDF
ISBN	0780373243
ISSN	10823654
DOI	10.1109/NSSMIC.2001.1008635
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-11-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cameras Positron emission tomography Spatial resolution Detectors Jacobian matrices Noise reduction Statistical analysis Animals Educational institutions Cyclotrons
Content Type	Text
Resource Type	Article

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