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Proceedings of SPIE Volume 7961

Medical Imaging 2011: Physics of Medical Imaging
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Volume Details

Volume Number: 7961
Date Published: 3 March 2011
Softcover: 204 papers (1826) pages
ISBN: 9780819485038

Table of Contents
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Front Matter: Volume 7961
Author(s): Proceedings of SPIE
Lateral organic photodetectors for imaging applications
Author(s): Umar Shafique; Karim S. Karim
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Design and optimization of a dedicated cone-beam CT system for musculoskeletal extremities imaging
Author(s): W. Zbijewski; P. De Jean; P. Prakash; Y. Ding; J. W. Stayman; N. Packard; R. Senn; D. Yang; J. Yorkston; A. Machado; J. A. Carrino; J. H. Siewerdsen
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A laser-driven undulator x-ray source: simulation of image formation and dose deposition in mammography
Author(s): Bernhard Müller; Helmut Schlattl; Florian Grüner; Christoph Hoeschen
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The case for single-exposure angiography using energy-resolving photon-counting detectors: a theoretical comparison of signal and noise with conventional subtraction angiography
Author(s): Jesse Tanguay; Ho Kyung Kim; Ian A. Cunningham
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Electron field emission Particle-In-Cell (PIC) coupled with MCNPX simulation of a CNT-based flat-panel x-ray source
Author(s): Edwin J. Grant; Chrystian M. Posada; Carlos H. Castaño; Hyoung K. Lee
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The effects of compensator design on scatter distribution and magnitude: a Monte Carlo study
Author(s): G. J. Bootsma; F. Verhaegen; D. A. Jaffray
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K-edge subtraction imaging using a pixellated energy-resolving detector
Author(s): Silvia Pani; Sarene C. Saifuddin; Christiana Christodoulou; Matthew Veale; Paul Seller; Robert D. Speller; Matthew Wilson; James W. Scuffham
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Optimization of the grid frequencies and angles in digital radiography imaging
Author(s): Dong Sik Kim; Sanggyun Lee
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A novel method to measure the zero-frequency DQE of a non-linear imaging system
Author(s): Michael C. McDonald; Ho Kyung Kim; John H Henry; Ian A. Cunningham
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Use of sphere phantoms to measure the 3D MTF of FDK reconstructions
Author(s): Jongduk Baek; Norbert J. Pelc
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3D noise power spectrum applied on clinical MDCT scanners: effects of reconstruction algorithms and reconstruction filters
Author(s): Frédéric A. Miéville; Gregory Bolard; Mohamed Benkreira; Paul Ayestaran; François Gudinchet; François Bochud; Francis R. Verdun
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NPS comparison of anatomical noise characteristics in mammography, tomosynthesis, and breast CT images using power law metrics
Author(s): Lin Chen; John M. Boone; Anita Nosratieh; Craig K. Abbey
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Imaging properties of the magnification factor in digital mammography by the generalized MTF (GMTF)
Author(s): Hye-Suk Park; Hee-Joung Kim; Hyo-Min Cho; Chang-Lae Lee; Dae-Hong Kim; Seung-Wan Lee; Yu-Na Choi
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Predictive models for observer performance in CT: applications in protocol optimization
Author(s): S. Richard; X. Li; G. Yadava; E. Samei
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High-order noise analysis for low dose iterative image reconstruction methods: ASIR, IRIS, and MBAI
Author(s): Synho Do; Sarabjeet Singh; Mannudeep K. Kalra; W. Clem Karl; Thomas J. Brady; Homer Pien
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Adaptive iterative reconstruction
Author(s): H. Bruder; R. Raupach; J. Sunnegardh; M. Sedlmair; K. Stierstorfer; T. Flohr
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Fast iterative image reconstruction using sparse matrix factorization with GPU acceleration
Author(s): Jian Zhou; Jinyi Qi
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Precision of iodine quantification in hepatic CT: effects of reconstruction (FBP and MBIR) and imaging parameters
Author(s): Baiyu Chen; Ehsan Samei; James Colsher; Huiman Barnhart; Daniele Marin; Rendon Nelson
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An iterative dual energy CT reconstruction method for a K-edge contrast material
Author(s): M. Depypere; J. Nuyts; N. van Gastel; G. Carmeliet; F. Maes; P. Suetens
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Novel synthesis of large area ZnTe:O films for high-resolution imaging applications
Author(s): Vivek V. Nagarkar; Bipin Singh; Valeriy B. Gaysinskiy; Stuart R. Miller; Vladimir Gelfandbein; Harish Bhandari; Michael Squillante
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12-inch-wafer-scale CMOS active-pixel sensor for digital mammography
Author(s): Sung Kyn Heo; Jari Kosonen; Sung Ha Hwang; Tae Woo Kim; Seungman Yun; Ho Kyung Kim
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Noise performance limits of advanced x-ray imagers employing poly-Si-based active pixel architectures
Author(s): Martin Koniczek; Youcef El-Mohri; Larry E. Antonuk; Albert Liang; Qihua Zhao; Hao Jiang
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Characterization and comparison of lateral amorphous semiconductors with embedded Frisch grid detectors on 0.18um CMOS processed substrate for medical imaging applications
Author(s): Christos Hristovski; Amir Goldan; Shaikh Hasibul Majid; Kai Wang; Umar Shafique; Karim Karim
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Low-noise thin-film transistor array for digital x-ray imaging detectors
Author(s): Denny Lee
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Performance characterization of a silicon strip detector for spectral computed tomography utilizing a laser testing system
Author(s): Cheng Xu; Mats Danielsson; Staffan Karlsson; Christer Svensson; Hans Bornefalk
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Quantum-counting CT in the regime of count-rate paralysis: introduction of the pile-up trigger method
Author(s): S. Kappler; S. Hölzer; E. Kraft; K. Stierstorfer; T. Flohr
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6-Li enriched Cs2LiYCl6:Ce based thermal neutron detector coupled with CMOS solid-state photomultipliers for a portable detector unit
Author(s): Chad Whitney; Christopher Stapels; Erik Johnson; Eric Chapman; Guy Alberghini; Jarek Glodo; Kanai Shah; James Christian
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Integration of an amorphous silicon passive pixel sensor array with a lateral amorphous selenium detector for large area indirect conversion x-ray imaging applications
Author(s): Kai Wang; Mohammad Y. Yazdandoost; Rasoul Keshavarzi; Kyung-Wook Shin; Christos Hristovski; Shiva Abbaszadeh; Feng Chen; Shaikh Hasibul Majid; Karim S. Karim
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Simulation of one-dimensionally polarized x-ray semiconductor detectors
Author(s): Klaus J. Engel; Christoph Herrmann
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Electrical interface characteristics (I-V), optical time of flight measurements, and the x-ray (20 keV) signal response of amorphous-selenium/crystalline-silicon heterojunction structures
Author(s): David M. Hunter; Chu An Ho; George Belev; Giovanni De Crescenzo; Safa O Kasap; Martin J. Yaffe
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Comparison of 3D and 2D breast density estimation from synthetic ultrasound tomography images and digital mammograms of anthropomorphic software breast phantoms
Author(s): Predrag R. Bakic; Cuiping Li; Erik West; Mark Sak; Sara C. Gavenonis; Nebojsa Duric; Andrew D. A. Maidment
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The effect of characteristic x-rays on the spatial and spectral resolution of a CZT-based detector for breast CT
Author(s): Stephen J. Glick; Clay S. Didier
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Analysis of multilayer and single layer X-ray detectors for contrast-enhanced mammography using imaging task
Author(s): Nicholas Allec; Shiva Abbaszadeh; Karim S. Karim
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Optimization of mammography with respect to anatomical noise
Author(s): E. Fredenberg; B. Svensson; M. Danielsson; B. Lazzari; B. Cederström
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Issues in characterizing anatomic structure in digital breast tomosynthesis
Author(s): Beverly A. Lau; Ingrid Reiser; Robert M. Nishikawa
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Evaluation of photon-counting spectral breast tomosynthesis
Author(s): Nils Dahlman; Erik Fredenberg; Magnus Åslund; Mats Lundqvist; Felix Diekmann; Mats Danielsson
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Tomosynthesis imaging with 2D scanning trajectories
Author(s): Kedar Khare; Bernhard E. H. Claus; Jeffrey W. Eberhard
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Dynamic reconstruction and rendering of 3D tomosynthesis images
Author(s): Johnny Kuo; Peter A. Ringer; Steven G. Fallows; Predrag R. Bakic; Andrew D. A. Maidment; Susan Ng
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Adaptive diffusion regularization for enhancement of microcalcifications in digital breast tomosynthesis (DBT) reconstruction
Author(s): Yao Lu; Heang-Ping Chan; Jeffrey A. Fessler; Lubomir Hadjiiski; Jun Wei; Mitchell M. Goodsitt
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Comparison of model-observer and human-observer performance for breast tomosynthesis: effect of reconstruction and acquisition parameters
Author(s): Mini Das; Howard C. Gifford
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A second pass correction method for calcification artifacts in digital breast tomosynthesis
Author(s): Klaus Erhard; Michael Grass; Tim Nielsen
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3D task-based performance assessment metrics for optimization of performance and dose in breast tomosynthesis
Author(s): S. Richard; E. Samei
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Dose and diagnostic image quality in digital tomosynthesis imaging of facial bones in pediatrics
Author(s): J. M. King; S. Hickling; I. A. Elbakri; M. Reed; J. Wrogemann
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A 3D linear system model for the optimization of dual-energy contrast-enhanced digital breast tomosynthesis
Author(s): Yue-Houng Hu; Wei Zhao
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Effects of image lag and scatter for dual-energy contrast-enhanced digital breast tomosynthesis using a CsI flat-panel based system
Author(s): Ann-Katherine Carton; Sylvie Puong; Razvan Iordache; Serge Muller
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Investigation of the effect of tube motion in breast tomosynthesis: continuous or step and shoot?
Author(s): Eman Shaheen; Nicholas Marshall; Hilde Bosmans
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Real-time scanning beam digital x-ray image guidance system for transbronchial needle biopsy
Author(s): Sungwon Yoon; Brian P. Wilfley; Keith Jasperson; Ganesh Krishna; Rebecca Fahrig
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Towards x-ray differential phase contrast imaging on a compact setup
Author(s): T. Thüring; P. Modregger; B. R. Pinzer; Z. Wang; S. Rutishauser; C. David; T. Grund; J. Kenntner; M. Stampanoni
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Beam hardening in x-ray differential phase contrast computed tomography
Author(s): Nicholas Bevins; Joseph Zambelli; Ke Li; Zhihua Qi; Guang-Hong Chen
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Spectroscopic measurements concerning grating-based x-ray phase-contrast imaging
Author(s): Thomas Weber; Peter Bartl; Florian Bayer; Jürgen Durst; Wilhelm Haas; Thilo Michel; Georg Pelzer; André Ritter; Gisela Anton
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3D diffraction tomography for visualization of contrast media
Author(s): Vinay M. Pai; Ashley Stein; Megan Kozlowski; Ashvin George; Rael Kopace; Eric Bennett; Julie A. Auxier; Han Wen
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Penalized-likelihood reconstruction for sparse data acquisitions with unregistered prior images and compressed sensing penalties
Author(s): J. W. Stayman; W. Zbijewski; Y. Otake; A. Uneri; S. Schafer; J. Lee; J. L. Prince; J. H. Siewerdsen
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Quantification of temporal resolution and its reliability in the context of TRI-PICCS and dual source CT
Author(s): Clemens Maaß; Marc Kachelrieß
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Evaluation of a novel CT image reconstruction algorithm with enhanced temporal resolution
Author(s): H. Schöndube; T. Allmendinger; K. Stierstorfer; H. Bruder; T. Flohr
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A Compton imaging algorithm for on-line monitoring in hadron therapy
Author(s): J. E. Gillam; C. Lacasta; I. Torres-Espallardo; C. Candela Juan; G. Llosá; P. Solevi; J. Barrio; M. Rafecas
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Method for reducing windmill artifacts in multislice CT images
Author(s): Kevin M. Brown; Stanislav Žabic
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Helical x-ray differential phase contrast computed tomography
Author(s): Zhihua Qi; Pascal Thériault-Lauzier; Nicholas Bevins; Joseph Zambelli; Ke Li; Guang-Hong Chen
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Synthetic CT: simulating arbitrary low dose single and dual energy protocols
Author(s): Adam S. Wang; Norbert J. Pelc
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A tabletop clinical x-ray CT scanner with energy-resolving photon counting detectors
Author(s): J. Cammin; S. Srivastava; W. C. Barber; J. S. Iwanczyk; N. E. Hartsough; E. Nygard; J. C. Wessel; N. Malakhov; K. Taguchi
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Investigating possible improvements in image quality with energy-weighting photon-counting breast CT
Author(s): Stephen J. Glick; Kesava Kalluri
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Temporal and spectral reconstruction algorithms for x-ray CT
Author(s): S. M. Johnston; C. T. Badea
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Material separation in x-ray CT with energy resolved photon-counting detectors
Author(s): X. Wang; D. Meier; K. Taguchi; D. J. Wagenaar; B. E. Patt; E. C. Frey
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An inverse geometry CT system with stationary source arrays
Author(s): Scott S. Hsieh; Joseph A Heanue; Tobias Funk; Waldo S Hinshaw; Norbert J. Pelc
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Dual-energy micro-CT imaging for differentiation of iodine- and gold-based nanoparticles
Author(s): C. T. Badea; S. M. Johnston; Y. Qi; K. Ghaghada; G. A. Johnson
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Design and development of MR-compatible SPECT systems for simultaneous SPECT-MR imaging of small animals
Author(s): Benjamin M. W. Tsui; James W. Hugg; Jingyan Xu; Si Chen; Dirk Meier; William Edelstein; Abdel El-Sharkawy; Douglas J. Wagenaar; Bradley E. Patt
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Freehand SPECT in low uptake situations
Author(s): Tobias Lasser; Sibylle I. Ziegler; Nassir Navab
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Forward model of Cerenkov luminescence tomography with the third-order simplified spherical harmonics approximation
Author(s): Jianghong Zhong; Jie Tian; Xin Yang; Chenghu Qin
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A preclinical SPECT camera with depth-of-interaction compensation using a focused-cut scintillator
Author(s): Fares Alhassen; Haris Kudrolli; Bipin Singh; Sangtaek Kim; Youngho Seo; Robert G. Gould; Vivek V. Nagarkar
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Evaluation of an erbium modulator in x-ray scatter correction using primary modulation
Author(s): Hewei Gao; Tianye Niu; Lei Zhu; Rebecca Fahrig
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Analysis of vertical and horizontal circular C-arm trajectories
Author(s): A. Maier; J.-H. Choi; A. Keil; C. Niebler; M. Sarmiento; A. Fieselmann; G. Gold; S. Delp; R. Fahrig
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Functional phase-correlated micro-CT imaging of small rodents with low dose
Author(s): Stefan Sawall; Frank Bergner; Andreas Hess; Robert Lapp; Markus Mronz; Marek Karolczak; Marc Kachelriess
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Scatter correction for cone-beam computed tomography using moving blocker strips
Author(s): Jing Wang; Weihua Mao; Timothy Solberg
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Single-scan scatter correction for cone-beam CT using a stationary beam blocker: a preliminary study
Author(s): Tianye Niu; Lei Zhu
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Verification of the performance accuracy of a real-time skin-dose tracking system for interventional fluoroscopic procedures
Author(s): Daniel R. Bednarek; Jeffery Barbarits; Vijay K. Rana; Srikanta P. Nagaraja; Madhur S. Josan; Stephen Rudin
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Energy deposition in the breast during CT scanning: quantification and implications for dose reduction
Author(s): Franco Rupcich; Iacovos Kyprianou; Andreu Badal; Taly Gilat Schmidt
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Uncertainties of organ absorbed doses to patients from 18f-choline
Author(s): W. B. Li; T. Janzen; M. Zankl; A. Giussani; C. Hoeschen
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The feasibility of universal DLP-to-risk conversion coefficients for body CT protocols
Author(s): Xiang Li; Ehsan Samei; W. Paul Segars; Erik K. Paulson; Donald P. Frush
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X-ray dose reduction by adaptive source equalization and electronic region-of-interest control
Author(s): Steve Burion; Anne Sandman; Kate Bechtel; Edward Solomon; Tobias Funk
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Effect of contrast magnitude and resolution metric on noise-resolution tradeoffs in x-ray CT imaging: a comparison of non-quadratic penalized alternating minimization and filtered backprojection algorithms
Author(s): Joshua D. Evans; David G. Politte; Bruce R. Whiting; Joseph A. O'Sullivan; Jeffrey F. Williamson
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Definitions and outlook targeting x-ray exposure of patients in diagnostic imaging
Author(s): Dieter F. Regulla
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How do we measure dose and estimate risk?
Author(s): Christoph Hoeschen; Dieter Regulla; Helmut Schlattl; Nina Petoussi-Henss; Wei Bo Li; Maria Zankl
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The accuracy of estimated organ doses from Monte Carlo CT simulations using cylindrical regions of interest within organs
Author(s): Maryam Khatonabadi; Jesse Sandberg; Naghmehossadat Eshghi; John J. DeMarco; Erin Angel; Adam C. Turner; Di Zhang; Chris C. Cagnon; Michael F. McNitt-Gray
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An algorithm for intelligent sorting of CT-related dose parameters
Author(s): Tessa S. Cook; Stefan L. Zimmerman; Scott Steingal; William W. Boonn; Woojin Kim
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Dose reduction using prior image constrained compressed sensing (DR-PICCS)
Author(s): Jie Tang; Pascal Thériault Lauzier; Guang-Hong Chen
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A clinical comparison study of a novel statistical iterative and filtered backprojection reconstruction
Author(s): Peter B. Noël; Alexander A. Fingerle; Bernhard Renger; Ernst J. Rummeny; Martin Dobritz
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Iterative CT reconstruction integrating SART and conjugate gradient
Author(s): Yongsheng Pan; Ross Whitaker
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Iterative helical cone-beam CT reconstruction using graphics hardware: a simulation study
Author(s): Yongsheng Pan; Ross Whitaker
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Iterative volume of interest image reconstruction in helical cone beam X-Ray CT using a stored system matrix approach
Author(s): Jingyan Xu; Benjamin M. W. Tsui
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Accelerate multi-dimensional CT scanner simulation with GPU
Author(s): Yingjie Han; Jiangtao Gao; Osamu Miyazaki
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OpenCL: a viable solution for high-performance medical image reconstruction?
Author(s): Christian Siegl; H. G. Hofmann; B. Keck; M. Prümmer; J. Hornegger
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Improved total variation regularized image reconstruction (iTV) applied to clinical CT data
Author(s): Ludwig Ritschl; Marc Kachelriess
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Ring artifact corrections in flat-panel detector based cone beam CT
Author(s): Emran Mohammad Abu Anas; Jaegon Kim; Soo Yeol Lee; Md. Kamrul Hasan
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Backprojection-filtration image reconstruction from partial cone-beam data for scatter correction
Author(s): Rizza Pua; Jonghwan Min; Boyeol Yoo; Kyong-Woo Kim; Gyuseong Cho; Seungryong Cho
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Fast 4D cone-beam reconstruction using the McKinnon-Bates algorithm with truncation correction and nonlinear filtering
Author(s): Ziyi Zheng; Mingshan Sun; John Pavkovich; Josh Star-Lack
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Contrast adaptive total p-norm variation minimization approach to CT reconstruction for artifact reduction in reduced-view brain perfusion CT
Author(s): Chang-Won Kim; Jong-Hyo Kim
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Expectation maximization and total variation-based model for computed tomography reconstruction from undersampled data
Author(s): Ming Yan; Luminita A. Vese
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A comparison of four algorithms for metal artifact reduction in CT imaging
Author(s): Caroline Golden; Samuel R. Mazin; F. Edward Boas; Grace Tye; Pejman Ghanouni; Garry Gold; Marc Sofilos; Norbert J. Pelc
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A study on regularization parameter choice for interior tomography based on truncated Hilbert transform
Author(s): Junfeng Wu; Xuanqin Mou; Shaojie Tang
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Interior tomography from low-count local projections and associated Hilbert transform data
Author(s): Qiong Xu; Hengyong Yu; Xuanqin Mou; Ge Wang
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Compressed sensing algorithms for fan-beam CT image reconstruction
Author(s): Jun Zhang; Jun Wang; Guangwu Xu; Jean-Baptiste Thibault
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Low-dose dual-energy cone-beam CT using a total-variation minimization algorithm
Author(s): Jonghwan Min; Taewon Lee; Kyong-Woo Kim; Gyuseong Cho; Seungryong Cho
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Refinement of motion correction strategies for lower-cost CT for under-resourced regions of the world
Author(s): Jered R. Wells; W. Paul Segars; Christopher J. N. Kigongo; James T. Dobbins
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Accelerating statistical image reconstruction algorithms for fan-beam x-ray CT using cloud computing
Author(s): Somesh Srivastava; A. Ravishankar Rao; Vadim Sheinin
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Quantitative evaluation method of noise texture for iteratively reconstructed x-ray CT images
Author(s): Pascal Thériault Lauzier; Jie Tang; Guang-Hong Chen
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An efficient scatter correction algorithm based on pre-reconstructed images of contrast enhancement and sparse-viewed Monte Carlo simulation
Author(s): Hao Yan; Xuanqin Mou
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Task-based comparative study of iterative image reconstruction methods for limited-angle x-ray tomography
Author(s): Rongping Zeng; Kyle J. Myers
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Limited data tomographic image reconstruction via dual formulation of total variation minimization
Author(s): Kwang Eun Jang; Younghun Sung; Kangeui Lee; Jongha Lee; Seungryong Cho
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Cone-beam CT data-driven pose correction for analytic reconstruction methods
Author(s): Joshua Cates; Yongsheng Pan; Vianney Battle; Ross Whitaker
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A simple image based method for obtaining electron density and atomic number in dual energy CT
Author(s): Timothy P. Szczykutowicz; Zhihua Qi; Guang-Hong Chen
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A scatter artifact reduction technique in dual-energy computed tomography systems
Author(s): Jiahua Fan; Naveen Chandra; Jiang Hsieh
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Investigation of a method to estimate the MTF and NPS of CT towards creating an international standard
Author(s): Claudia C. Brunner; Bernhard Renger; Christoph Hoeschen; Iacovos S. Kyprianou
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XCAT/DRASIM: a realistic CT/human-model simulation package
Author(s): George S. K. Fung; Karl Stierstorfer; W. Paul Segars; Katsuyuki Taguchi; Thomas G. Flohr; Benjamin M. W. Tsui
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Longitudinal tube modulation for chest and abdominal CT examinations: impact on effective patient doses calculations
Author(s): F. Zanca; K. Michielsen; M. Depuydt; J. Jacobs; J. Nens; K. Lemmens; R. Oyen; H. Bosmans
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Dosimetric quality control of Eclipse treatment planning system using pelvic digital test object
Author(s): Yassine Benhdech; Stéphane Beaumont; Jeanpierre Guédon; Sylvain Crespin
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Estimation of organ and effective dose to the patient during spinal surgery with a cone-beam O-arm system
Author(s): Marcus Söderberg; Kasim Abul-Kasim; Acke Ohlin; Mikael Gunnarsson
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Monte Carlo modeling of the scatter radiation doses in IR
Author(s): Eugene Mah; Wenjun He; Walter Huda; Hai Yao; Bayne Selby
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Fluence estimation by deconvolution via l1-norm minimization
Author(s): J. C. García Hernández; D. Lazaro-Ponthus; M. Gmar; J. Barthe
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A novel noise suppression solution in cone-beam CT images
Author(s): Yi Fan; Hongbing Lu; Hongbin Zhu; Jing Wang; Qin Lin; Zhengrong Liang
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Noise reduction by projection direction dependent diffusion for low dose fan-beam x-ray computed tomography
Author(s): Shaojie Tang; Xuanqin Mou; Yanbo Zhang; Hengyong Yu
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Radiation dose reduction in computed tomography (CT) using a new implementation of wavelet denoising in low tube current acquisitions
Author(s): Yinghua Tao; Stephen Brunner; Jie Tang; Michael Speidel; Howard Rowley; Michael VanLysel; Guang-Hong Chen
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Noise characteristics of x-ray differential phase contrast CT
Author(s): Joseph Zambelli; Ke Li; Nicholas Bevins; Zhihua Qi; Guang-Hong Chen
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Contrast-to-noise of a non-ideal multi-bin photon counting x-ray detector
Author(s): J. Eric Tkaczyk; Vladimir Lobastov; Daniel D. Harrison; Adam S. Wang
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Correlated-polarity noise reduction: feasibility of a new statistical approach to reduce image noise
Author(s): James T. Dobbins; Jered R. Wells
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MCNP simulation of radiation doses distributions in water phantoms simulating interventional radiology patients
Author(s): Wenjun He; Eugene Mah; Walter Huda; Bayne Selby; Hai Yao
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Noise reduction in dual-source CT scanning
Author(s): M. Petersilka; B. Krauss; K. Stierstorfer
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Relative dose in dual energy fast-kVp switching and conventional kVp imaging: spatial frequency dependent noise characteristics and low contrast imaging
Author(s): Girijesh K. Yadava; Naveen Chandra; Jiang Hsieh
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Determination of 3D flow velocity distributions from single-plane angiographic sequences
Author(s): Kenneth R. Hoffmann; Todd Dorazio; Joseph Lee; Jae-Hun Jung; E. Bruce Pitman; Alan Walczak; Xinjuan Chen
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Susceptibility quantification in MRI using modified conjugate gradient least square method
Author(s): Luning Wang; Jason Langley; Qun Zhao
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Direct reconstruction of T1 from k-space using a radial saturation-recovery sequence
Author(s): Liyong Chen; Edward V. R. DiBella
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Histogram analysis of ADC in brain tumor patients
Author(s): Debrup Banerjee; Jihong Wang; Jiang Li
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The development and application of calculated readout in spectral parallelism in magnetic resonance imaging
Author(s): Linda Vu; Simon S. So; Sergei Obruchkov; Andrew T. Cenko; Jeff T. Meade; Ken Bradshaw; Claude Lemaire; Hartwig Peemoeller; Sarbast Rasheed; Arsen R. Hajian; Jae K. Kim; Cameron Piron
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Voxel magnetic field disturbance from remote vasculature in BOLD fMRI
Author(s): Zikuan Chen; Zeyuan Chen; Vince Calhoun
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Multiresolution voxel decomposition of complex-valued BOLD signals reveals phasor turbulence
Author(s): Zikuan Chen; Zeyuan Chen; Vince Calhoun
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Wavelet encoded MR image reconstruction with compressed sensing
Author(s): Zheng Liu; Brian Nutter; Jingqi Ao; Sunanda Mitra
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Modified total variation norm for the maximum a posteriori ordered subsets expectation maximization reconstruction in fan-beam SPECT brain perfusion imaging
Author(s): Andrzej Krol; Zhaoxia Yang; Yuesheng Xu; Axel Wismüller; David H. Feiglin
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New method for tuning hyperparameter for the total variation norm in the maximum a posteriori ordered subsets expectation maximization reconstruction in SPECT myocardial perfusion imaging
Author(s): Zhaoxia Yang; Andrzej Krol; Yuesheng Xu; David H. Feiglin
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Effect of de-noising and DDRV correction on cone-beam SPECT reconstruction with non-uniform attenuation
Author(s): Hao Zhang; Junhai Wen; Wen Yin; Cuifen Li; Kangping Zhang; Zhengrong Liang
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Quality controls and delineation protocol of PET/CT gated acquisition in function of the movement amplitude, size of spheres and signal over background ratio
Author(s): Cyril Jaudet; David Didierlaurent; Julia Nalis; Lawrence O. Dierickx; Olivier Caselles; Frederic Courbon
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Using spherical basis functions on a polar grid for iterative image reconstruction in small animal PET
Author(s): Jorge Cabello; Josep F. Oliver; Magdalena Rafecas
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Full modeling of AX-PET: a new PET device with axially oriented crystals based on Geant4 and GATE
Author(s): P. Solevi; J. F. Oliver; J. Gillam; M. Rafecas
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Observing the high resolution capabilities of a silicon PET insert probe
Author(s): K. Brzezinski; J. F. Oliver; J. Gillam; C. Lacasta; M. Rafecas
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Ultrafast image reconstruction of a dual-head PET system by use of CUDA architecture
Author(s): YuKai Hung; Yun Dong; Felix R. Chern; Weichung Wang; Chien-Min Kao; Chin-Tu Chen; Cheng-Ying Chou
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Evaluation of image gating as an approach for noise estimation and optimisation of SPECT images
Author(s): Khalid Alzimami; Salem Sassi; Abduallah Alshehri; Nicholas Spyrou; Alan Britten
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Singles-prompt: a novel method to estimate random coincidences by using prompts and singles information
Author(s): Josep F. Oliver; M. Rafecas
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An investigation of an application specific PET prototype with inhomogeneous-energy resolution detectors
Author(s): Jingjing Liu; Qingguo Xie; Lu Wan
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Basic design and simulation of a SPECT microscope for in vivo stem cell imaging
Author(s): Rex A. Moats; Yang Tang; James W. Hugg; Dirk Meier; David Koos; Neal E. Hartsough; Bradley E. Patt; Douglas J. Wagenaar
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Verification of nonlinearity in digital x-ray images using surrogate method
Author(s): A. Sugiura; K. Yokoyama; H. Takada; N. Yasuda; A. Horii; K. Kida
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A software tool for quality assurance of computed/digital radiography (CR/DR) systems
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Simulation of ultrasound backscatter images from fish
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Evaluation of image quality in computed radiography based mammography systems
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Evaluation of the quality of image for various breast composition and exposure conditions in digital mammography
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Segmentation of adipose and glandular tissue for breast tomosynthesis imaging using a 3D hidden-Markov model trained on breast MRIs
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Stationary digital breast tomosynthesis with distributed field emission x-ray tube
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The use of detectability indices as a means of automatic exposure control for a digital mammography system
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Optimization of four-dimensional cone-beam computed tomography in image-guided radiation therapy of the lung
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Investigation of the effect of varying scatter-to-primary ratios on nodule contrast in chest tomosynthesis
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A patient image-based technique to assess the image quality of clinical chest radiographs
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