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Proceedings of SPIE Volume 7258

Medical Imaging 2009: Physics of Medical Imaging
Editor(s): Ehsan Samei; Jiang Hsieh
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Volume Details

Volume Number: 7258
Date Published: 27 February 2009
Softcover: 201 papers (1900) pages
ISBN: 9780819475091

Table of Contents
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Front Matter: Volume 7258
Author(s): Proceedings of SPIE
Pediatric CT and radiation: our responsibility
Author(s): Donald P. Frush
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Low radiation dose C-arm cone-beam CT based on prior image constrained compressed sensing (PICCS): including compensation for image volume mismatch between multiple data acquisitions
Author(s): Brian Nett; Jie Tang; Beverly Aagaard-Kienitz; Howard Rowley; Guang-Hong Chen
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Patient-specific dose estimation for pediatric abdomen-pelvis CT
Author(s): Xiang Li; Ehsan Samei; W. Paul Segars; Gregory M. Sturgeon; James G. Colsher; Donald P. Frush
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Analytical construction of 3D NPS for a cone beam CT system
Author(s): Jongduk Baek; Norbert J. Pelc
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Evaluation of the additive noise of a flat panel detector and its effect on cone-beam CT applications
Author(s): Kai Yang; Shih-Ying C. Huang; Nathan J. Packard; John M. Boone
Show Abstract
Noise analysis in intensity-weighted region-of-interest imaging for cone-beam CT
Author(s): Seungryong Cho; Erik Pearson; Charles A. Pelizzari; Xiaochuan Pan
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Optimization of 4D cone-beam CT: evaluation of streaking artifacts and noise with various simulated gantry rotation speeds
Author(s): Moiz Ahmad; Peter Balter; Peter Munro; Jun Lu; Tinsu Pan
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Measurement of spatial and density resolutions in x-ray nanocomputed tomography
Author(s): Y. Kawata; K. Kageyama; Y. Nakaya; N. Niki; K. Umetani; K. Yada; H. Ohmatsu; K. Eguchi; M. Kaneko; N. Moriyama
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Simulation and analysis of image quality impact from single-source ultra-wide coverage CT scanner
Author(s): Baojun Li; Thomas L. Toth; Jiang Hsieh; Xiangyang Tang; Peter Crandall; Robert F. Senzig
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Four-dimensional cardiac reconstruction from rotational x-ray sequences: first results for 4D coronary angiography
Author(s): Eberhard Hansis; Hermann Schomberg; Klaus Erhard; Olaf Dössel; Michael Grass
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High temporal resolution cardiac cone-beam CT using a slowly rotating C-arm gantry
Author(s): Guang-Hong Chen; Jie Tang; Brian Nett; Shuai Leng; Joseph Zambelli; Zhihua Qi; Nick Bevins; Scott Reeder; Howard Rowley
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Flash imaging in dual source CT (DSCT)
Author(s): H. Bruder; M. Petersilka; H. Mehldau; W. Heidinger; T. Allmendinger; B, Schmidt; R. Raupach; C, Thierfelder; K. Stierstorfer; T. Flohr
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Kyphoplasty interventions using a navigation system and C-arm CT data: first clinical results
Author(s): Martin Hoheisel; Martin Skalej; Oliver Beuing; Ulrich Bill; Klaus Klingenbeck-Regn; Ralf Petzold; Markus H. Nagel
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Cone-beam CT using a C-arm system as front end and a spherical spiral as source trajectory
Author(s): Hermann Schomberg; Peter van de Haar; Wil Baaten
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Quantization of liver tissue in dual kVp computed tomography using linear discriminant analysis
Author(s): J. Eric Tkaczyk; David Langan; Xiaoye Wu; Daniel Xu; Thomas Benson; Jed D. Pack; Andrea Schmitz; Amy Hara; William Palicek; Paul Licato; Jaynne Leverentz
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Patient specific computerized phantoms to estimate dose in pediatric CT
Author(s): W. P. Segars; G. Sturgeon; X. Li; L. Cheng; C. Ceritoglu; J. T. Ratnanather; M. I. Miller; B. M. W. Tsui; D. Frush; E. Samei
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Three-dimensional imaging properties of rotation-free square and hexagonal micro-CT systems
Author(s): Enzhuo Quan; David S. Lalush
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Enhanced computer simulation of CT mammography using a flat-panel imager
Author(s): Clay S. Didier; J. Michael O'Connor; Yu Chen; Stephen J. Glick
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Volume and tissue composition preserving deformation of breast CT images to simulate breast compression in mammographic imaging
Author(s): Tao Han; Lingyun Chen; Chao-Jen Lai; Xinming Liu; Youtao Shen; Yuncheng Zhong; Shuaiping Ge; Ying Yi; Tianpeng Wang; Chris C. Shaw
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Breast density measurement: 3D cone beam computed tomography (CBCT) images versus 2D digital mammograms
Author(s): Tao Han; Chao-Jen Lai; Lingyun Chen; Xinming Liu; Youtao Shen; Yuncheng Zhong; Shuaiping Ge; Ying Yi; Tianpeng Wang; Wei T Yang; Chris C. Shaw
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Visibility of microcalcifications in CCD-based cone beam CT: a preliminary study
Author(s): Youtao Shen; Lingyun Chen; Shuaiping Ge; Ying Yi; Tao Han; Yuncheng Zhong; Chao-Jen Lai; Xinming Liu; Tianpeng Wang; Chris C. Shaw
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Estimating breast tomosynthesis performance in detection tasks with variable-background phantoms
Author(s): Stefano Young; Subok Park; S. Kyle Anderson; Aldo Badano; Kyle J. Myers; Predrag Bakic
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Optimized lesion detection in digital breast tomosynthesis
Author(s): Amarpreet S. Chawla; Ehsan Samei; Joseph Y. Lo
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Nonuniform angular dose distribution in digital breast tomosynthesis for increased conspicuity of small high contrast objects
Author(s): Yue-Houng Hu; Wei Zhao
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The effect of lag on image quality for a digital breast tomosynthesis system
Author(s): James G. Mainprize; Xinying Wang; Martin J. Yaffe
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Computerized 3D breast phantom with enhanced high-resolution detail
Author(s): Christina M. Li; W. Paul Segars; Joseph Y. Lo; Alexander I. Veress; John M. Boone; James T. Dobbins
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Blind motion compensation for positron-emission-tomography
Author(s): Moritz Blume; Andreas Keil; Nassir Navab; Magdalena Rafecas
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Joint image reconstruction and nonrigid motion estimation with a simple penalty that encourages local invertibility
Author(s): Se Young Chun; Jeffrey A. Fessler
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Direct reconstruction of PET receptor binding parametric images using a simplified reference tissue model
Author(s): Guobao Wang; Jinyi Qi
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Advanced reconstruction of attenuation maps using SPECT emission data only
Author(s): André Salomon; Andreas Goedicke; Til Aach
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HyperSPECT: a new system for pre-clinical imaging in vivo
Author(s): Sandra Tibbelin; Peter Nillius; Björn Cederström; Mats Danielsson
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Novel insight into magnetic resonance through a spherical coordinate framework for the Bloch equation
Author(s): Bahman Tahayori; Leigh A. Johnston; Iven M. Y. Mareels; Peter M. Farrell
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Regularization of parallel MRI reconstruction using in vivo coil sensitivities
Author(s): Qi Duan; Ricardo Otazo; Jian Xu; Daniel K. Sodickson
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Quantification of three-dimensional tongue motion during speech using zHARP
Author(s): Xiaofeng Liu; Jiachen Zhuo; Harsh Agarwal; Khaled Z. Abd-Elmoniem; Emi Murano; Maureen Stone; Rao Gullapalli; Jerry L. Prince
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Detection of iron overload through neutron stimulated emission computed tomography: a sensitivity analysis study
Author(s): Anuj J. Kapadia; Greeshma A. Agasthya; Georgia D. Tourassi
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Iterative finite-element-based inversion for quantified detection of molecular targets using optoacoustic tomography
Author(s): Thomas Jetzfellner; Daniel Razansky; Amir Rosenthal; Ralf Schulz; K.-H. Englmeier; Vasilis Ntziachristos
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Simulating ultra-wideband imaging for the early detection of tissue injury
Author(s): Weihong Niu; Kelan Hlavaty; Daria Tanska; Nancy Tseng; Jia Li; Barbara Penprase
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Active pixel and photon counting imagers based on poly-Si TFTs: rewriting the rule book on large area flat panel x-ray devices
Author(s): Larry E. Antonuk; Martin Koniczek; Youcef El-Mohri; Qihua Zhao
Show Abstract
Feasibility study of CMOS detectors for mammography
Author(s): Jong Chul Han; Seungman Yun; Chang Hwy Lim; Tae Woo Kim; Ho Kyung Kim
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Amorphous selenium detector utilizing a Frisch grid for photon-counting imaging applications
Author(s): A. H. Goldan; Y. Fang; K. S. Karim; O. Tousignant; H. Mani; L. Laperrière
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Component analysis of a new solid state x-ray image intensifier (SSXII) using photon transfer and instrumentation noise equivalent exposure (INEE) measurements
Author(s): Andrew Kuhls-Gilcrist; Daniel R. Bednarek; Stephen Rudin
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Quantitative radiography enabled by slot collimation and a novel scatter correction technique on a large-area flat panel x-ray detector
Author(s): Meghan L. Yue; Adam E. Boden; John M. Sabol
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Noise and signal detection in digital x-ray detectors using the spatial definition of SNR
Author(s): Iacovos S. Kyprianou; Aldo Badano; Subok Park; Haimo Liu; Kyle J. Myers
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Extension of DQE to include scatter, grid, magnification, and focal spot blur: a new experimental technique and metric
Author(s): N. T. Ranger; A. Mackenzie; I. D. Honey; J. T. Dobbins; C. E. Ravin; E. Samei
Show Abstract
Noise analysis of full field digital mammography systems
Author(s): V. Ravaglia; R. Bouwman; K. Young; R. Van Engen; B. Lazzari
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Predicting contrast detail performance from objective measurements in digital mammography
Author(s): Kenneth C. Young; Abdulaziz Alsager; David R. Dance; Jennifer M. Oduko; Ozcan Gundogdu; Nicholas M. Spyrou
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SKE/BKE task-based methodology for calculating Hotelling observer SNR in mammography
Author(s): Haimo Liu; Iacovos S. Kyprianou; Aldo Badano; Kyle J. Myers; Robert J. Jennings; Subok Park; Richard V. Kaczmarek; Kish Chakrabarti
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Feasibility of amorphous selenium based photon counting detectors for digital breast tomosynthesis
Author(s): Jiong Chen; Joerg Lehnert; Paul O'Connor; Gianluigi De Geronimo; Enrico Dolazza; Olivier Tousignant; Luc Laperrière; Jonathan Greenspan; Wei Zhao
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Evaluation of the x-ray response of amorphous selenium coated 100-micron pitch a-Si active pixel sensors for tomosynthesis applications
Author(s): Farhad Taghibakhsh; David M. Hunter; Karim S. Karim; George Belev; Safa O. Kasap; Vladimir Verpakhovski; Martin J. Yaffe
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Direct-conversion 50 µm pixel-pitch detector for digital mammography using amorphous selenium as a photoconductive switching layer for signal charge readout
Author(s): K. Irisawa; K. Yamane; S. Imai; M. Ogawa; T. Shouji; T. Agano; Y. Hosoi; T. Hayakawa
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A photon-counting detector for dual-energy breast tomosynthesis
Author(s): Erik Fredenberg; Mats Lundqvist; Magnus Åslund; Magnus Hemmendorff; Björn Cederström; Mats Danielsson
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First physical measurements and clinical evaluation for long-view tomosynthesis
Author(s): Daisuke Notohara; Kazuyoshi Nishino; Koichi Shibata
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A task-based evaluation method for x-ray breast imaging systems using variable-background phantoms
Author(s): Subok Park; Haimo Liu; Robert Jennings; Robert Leimbach; Iacovos Kyprianou; Aldo Badano; Kyle Myers
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Analysis of lung nodule detectability and anatomical clutter in tomosynthesis imaging of the chest
Author(s): Sungwon Yoon; Jianan G. Gang; Daniel J. Tward; Jeffrey H. Siewerdsen; Rebecca Fahrig
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Multiple information tomosynthesis with grating-based phase-contrast imaging
Author(s): Zhentian Wang; Zhifeng Huang; Yongshun Xiao; Li Zhang; Kejun Kang
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Imaging of small children with a prototype for photon counting tomosynthesis
Author(s): Lilián del Risco Norrlid; Erik Fredenberg; Magnus Hemmendorff; Christian Jackowski; Mats Danielsson
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The impact of anisotropic sampling on the MTF reconstruction in limited aperture tomosynthesis
Author(s): H. Souchay; R. Klausz
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Geometric calibration and distortion calibration for CT from scans of unknown objects using complementary rays
Author(s): Kevin M. Holt
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Optimal binary coding matrices for multiplexed x-ray imaging
Author(s): David S. Lalush
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Quantitative evaluation of noise reduction algorithms for very low dose renal CT perfusion imaging
Author(s): Xin Liu; Andrew N. Primak; Lifeng Yu; Hua Li; James D. Krier; Lilach O. Lerman; Cynthia H. McCollough
Show Abstract
Prior-image-based few-view cone beam CT for applications to daily scan in image-guided radiation therapy: preliminary study
Author(s): Seungryong Cho; Erik Pearson; Emil Y. Sidky; Junguo Bian; Charles A. Pelizzari; Xiaochuan Pan
Show Abstract
Image-based online correction of misalignment artifacts in cone-beam CT
Author(s): Y. Kyriakou; R. M. Lapp; L. Hillebrand; D. Ertel; W. A. Kalender
Show Abstract
Image-based iterative compensation of motion artifacts in computed tomography
Author(s): Colas Schretter; Christoph Neukirchen; Georg Rose; Matthias Bertram
Show Abstract
Spurious structures created by interpolation-based CT metal artifact reduction
Author(s): J. Müller; T. M. Buzug
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Efficient scatter correction using asymmetric kernels
Author(s): Josh Star-Lack; Mingshan Sun; Anders Kaestner; Rene Hassanein; Gary Virshup; Timo Berkus; Markus Oelhafen
Show Abstract
Scatter correction for x-ray conebeam CT using one-dimensional primary modulation
Author(s): Lei Zhu; Hewei Gao; N. Robert Bennett; Lei Xing; Rebecca Fahrig
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Optimal energy thresholds and weights for separating materials using photon counting x-ray detectors with energy discriminating capabilities
Author(s): Adam S. Wang; Norbert J. Pelc
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X-ray multisource for medical imaging
Author(s): Kris Frutschy; Bruno De Man; Pete Edic; Brian Lounsberry; Bogdan Neculaes; Yun Zou; Lou Inzinna; Ken Conway; Xi Zhang; Yang Cao; Satish Gunturi; Antonio Caiafa; Joe Reynolds
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SNR efficient 3D reconstruction algorithm for multi-source inverse geometry CT system
Author(s): Jongduk Baek; Norbert J. Pelc
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Characterization of a novel photon counting detector for clinical CT: count rate, energy resolution, and noise performance
Author(s): William C. Barber; Einar Nygard; Jan S. Iwanczyk; Mengxi Zhang; Eric C. Frey; Benjamin M. W. Tsui; Jan C. Wessel; Nail Malakhov; Gregor Wawrzyniak; Neal E. Hartsough; Thulasi Gandhi; Katsuyuki Taguchi
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Photon-counting CT with silicon detectors: feasibility for pediatric imaging
Author(s): Moa Yveborg; Cheng Xu; Erik Fredenberg; Mats Danielsson
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Performance comparison between compressed sensing and statistical iterative reconstruction algorithms
Author(s): Jie Tang; Brian Nett; Guang-Hong Chen
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Boundary reconstruction in limited-angle x-ray phase-contrast tomography
Author(s): Mark A. Anastasio; Emil Y. Sidky; Xiaochuan Pan; Cheng-Ying Chou
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A dual formulation of a penalized maximum likelihood x-ray CT reconstruction problem
Author(s): Jingyan Xu; Katsuyuki Taguchi; Grant T. Gullberg; Benjamin M. W. Tsui
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Noise properties of iterative reconstruction techniques in low-dose CT scans
Author(s): Synho Do; Mannudeep K. Kalra; Zhuangli Liang; W. Clem. Karl; Thomas J. Brady; Homer Pien
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Interactive GPU-accelerated image reconstruction in cone-beam CT
Author(s): Lars Hillebrand; Robert M. Lapp; Yiannis Kyriakou; Willi A. Kalender
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GPU-accelerated SART reconstruction using the CUDA programming environment
Author(s): Benjamin Keck; Hannes Hofmann; Holger Scherl; Markus Kowarschik; Joachim Hornegger
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Effect of detector time delay and its correction in multiple source computed tomography
Author(s): A. Thran; P. Forthmann; R. Proksa
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Noise correlation in CBCT projection data and its application for noise reduction in low-dose CBCT
Author(s): Jing Wang; Anwei Chai; Lei Xing
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Geometric calibration of detectors with discrete irregularities for computed tomography
Author(s): Kevin M. Holt
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Simultaneous activity and attenuation reconstruction in PET: applying partially known attenuation
Author(s): Sergio S. Furuie
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Real-time compression of raw computed tomography data: technology, architecture, and benefits
Author(s): Albert Wegener; Naveen Chandra; Yi Ling; Robert Senzig; Robert Herfkens
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Perfusion from angiogram and a priori (PAP) with temporal regularization
Author(s): Katsuyuki Taguchi; Jean-Francois H. Geschwind
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Bronchial wall region extraction algorithm using multi-slice CT images
Author(s): Kengo Akashi; Shinsuke Saita; Mitsuru Kubo; Yoshiki Kawata; Noboru Niki; Yasutaka Nakano; Akio Niimi; Hisako Matsumoto; Tsuyoshi Oguma; Yuichi Takiguchi; Naoko Kawata; Nobuhiro Tanabe; Hironobu Ohmatsu; Kenji Eguchi; Masahiro Kaneko; Noriyuki Moriyama
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Volumetric soft tissue brain imaging on xCAT, a mobile flat-panel x-ray CT system
Author(s): Wojciech Zbijewski; J. Webster Stayman
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Image reconstruction for a stationary digital breast tomosynthesis system
Author(s): Ramya Rajaram; Guang Yang; Enzhuo Quan; Brandon Frederick; David S. Lalush; Otto Z. Zhou
Show Abstract
Local correction of non-periodic motion in computed tomography
Author(s): Colas Schretter; Christoph Neukirchen; Georg Rose; Matthias Bertram
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Toward region of interest computer tomography
Author(s): Sebastian Schafer; Peter B. Noël; Alan M. Walczak; Kenneth R. Hoffmann
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Wavelet based de-noising methods for local SPECT reconstruction with nonuniform attenuation
Author(s): Li Wang; Junhai Wen; Jing Yang; Yunbin Chen; Zhengrong Liang
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A noise decomposition method for image quality analysis of medical radiography detectors
Author(s): Sami Al Tahli; Ingo Maack; Andreas Koch; Clemens Herrmann
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Evaluating low pass filters on SPECT reconstructed cardiac orientation estimation
Author(s): Shekhar Dwivedi
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Systematic scanner variability of patient CT attenuation measurements
Author(s): Philip F. Judy; Richard D. Nawfel; Stuart G. Silverman
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An experimental cone-beam micro-CT system for small animal imaging
Author(s): Shouping Zhu; Jie Tian; Guorui Yan; Chenghu Qin; Junting Liu
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4D micro-CT-based perfusion imaging in small animals
Author(s): C. T. Badea; S. M. Johnston; M. Lin; L. W. Hedlund; G. A. Johnson
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Attenuation and image noise level based online z-axis tube current modulation for CT scans independent with localizer radiograph: simulation study and results
Author(s): Yi Tian; Mahao Chen; Jun Kong
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CBCT/CBDT equipped with the x-ray projection system for image-guided proton therapy
Author(s): Min Kook Cho; Jin Sung Kim; Young-Bin Cho; Hanbean Youn; Sung Yong Park; Seungryong Cho; Ho Kyung Kim
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Clinical micro-CT for dental imaging
Author(s): Hanbean Youn; Min Kook Cho; Cheol-Soon Shon; Bong Hae Cho; Chang Hyuk Kim; Ho Kyung Kim
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Preliminary feasibility of dedicated breast CT with an inverse geometry
Author(s): Taly Gilat Schmidt
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Study of signal-to-noise ratio in digital mammography
Author(s): Yuri Kato; Naotoshi Fujita; Yoshie Kodera
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Imaging technique optimization of tungsten anode FFDM system
Author(s): Biao Chen; Andrew P. Smith; Zhenxue Jing; Elena Ingal
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Digital breast tomosynthesis (DBT) versus full field digital mammography (FFDM): comparison of a system performance using a contrast detail phantom
Author(s): A. Nitrosi; G. Borasi; M. Bertolini; A. Botti; D. Tassoni; S. Strocchi
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Cardiac imaging with multi-sector data acquisition in volumetric CT: variation of effective temporal resolution and its potential clinical consequences
Author(s): Xiangyang Tang; Jiang Hsieh; Basel H. Taha; Melissa L. Vass; John L. Seamans; Darin R. Okerlund
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Advanced processing for motion-compensated reconstruction in cardiac cone-beam CT
Author(s): Udo van Stevendaal; Peter Forthmann; Thomas Köhler; Jens von Berg; Cristian Lorenz; Michael Grass
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A second pass gated reconstruction scheme with conjugate weights
Author(s): Klaus Erhard; Michael Grass
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A cardiac phantom study on quantitative correction of coronary calcium score on multi-detector, dual source, and electron beam tomography for velocity, calcification density, and acquisition time
Author(s): Marcel J. W. Greuter; Jaap M. Groen; Lieuwe J. Nicolai; Hildebrand Dijkstra; Matthijs Oudkerk
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Diagnostic quality of time-averaged ECG-gated CT data
Author(s): Almar Klein; Luuk J. Oostveen; Marcel J. W. Greuter; Yvonne Hoogeveen; Leo J. Schultze Kool; Cornelis H. Slump; W. Klaas Jan Renema
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An online cross-scatter correction algorithm for dual-source CT: effects on CT number accuracy and noise
Author(s): Christian D. Eusemann; Anja Apel; Bernhard Schmidt; Alisa I. Walz-Flannigan; Megan C. Jacobsen; Karl Stierstorfer; Thomas G. Flohr; Cynthia H. McCollough
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Elimination of blooming artifacts off stents by dual energy CT
Author(s): Yu Zou; Michael D. Silver
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Iterative scatter correction for x-ray cone-beam CT with semi-transparent beam stop array
Author(s): Hao Yan; Xuanqin Mou; Shaojie Tang; Xi Chen
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Analytical scatter estimation for cone-beam computed tomography
Author(s): Harry R. Ingleby; Idris A. Elbakri; Daniel W. Rickey; Stephen Pistorius
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High-contrast artifact reduction in cone beam computed tomography by using geometric techniques
Author(s): Peter B. Noël; Jinhui Xu; Kenneth R. Hoffmann; Jason J. Corso; Sebastian Schafer; Alan M. Walczak
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Real time implementation of distortion corrections for a tiled EMCCD-based solid state x-ray image intensifier (SSXII)
Author(s): Christos Keleshis; K. R. Hoffmann; J. Lee; H. Hamwi; W. Wang; C. N. Ionita; D. R. Bednarek; A. Verevkin; S. Rudin
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Measurement-based scatter correction for cone-beam CT in radiation therapy
Author(s): Lei Zhu; Lei Xing
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Three-dimensional metal artifact reduction method for dental conebeam CT scanners
Author(s): Koji Kobayashi; Atsushi Katsumata; Koichi Ito; Takafumi Aoki
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Reduction of artifacts due to multiple metallic objects in computed tomography
Author(s): Kye Young Jeong; Jong Beom Ra
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Reduction of aliasing artifacts in tomographic images
Author(s): Oleg Tischenko; Yuan Xu; Thomas Goetzfried; Ludwig Bogner; Christoph Hoeschen
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Attenuation compensation in mesh-domain OSEM SPECT reconstruction
Author(s): Levon Vogelsang; Yao Lu; Bo Yu; Andrzej Krol; Yuesheng Xu; Xiaofei Hu; David Feiglin; Edward Lipson
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How many x-ray photons can be scattered from a SPECT/CT room to an adjacent gamma camera?
Author(s): Zongjian Cao
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Flat detector ghost image reduction by UV irradiation
Author(s): Rudolph M. Snoeren; Heidrun Steinhauser; Lex Alving; Hans Stouten; Peter H. N. de With
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A counting and integrating pixel readout chip for amorphous selenium direct radiation detectors for medical imaging applications
Author(s): A. H. Goldan; Bahman Hadji; K. S. Karim; G. DeCrescenzo; J. A. Rowlands; O. Tousignant; L. Laperrière
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Quasi-monochromatic x-ray filter with thin film multilayer for a large area radiation field
Author(s): Youngsei Park; Sejin Han; Jangyeol Chae; Changkyu Kim; Kwon S. Chon; Hyoung-Koo Lee; D. S. Han
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Advanced a-Se film with high sensitivity and heat resistance for x-ray detectors
Author(s): Koichi Ogusu; Osamu Nakane; Yasunori Igasaki; Yoshinori Okamura; Satoshi Yamada; Tadaaki Hirai
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Pixel-structured scintillators for digital x-ray imaging
Author(s): Seung Man Yun; Chang Hwy Lim; Tae Woo Kim; Ho Kyung Kim
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Characterization of current programmed amorphous silicon active pixel sensor readout circuit for dual mode diagnostic digital x-ray imaging
Author(s): Nader Safavian; M. Yazdandoost; D. Wu; A. Sultana; M. H. Izadi; K. S. Karim; A. Nathan; J. A. Rowlands
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Optimized operation and offset corrections for a battery-powered wireless digital x-ray detector
Author(s): Karin Töpfer; John Dehority
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Betacam: a commercial approach to beta-autoradiography
Author(s): J. Cabello; A. Holland; K. Holland; A. Bailey; I. Kitchen; K. Wells
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Characterization of bias induced metastability of amorphous silicon thin film transistor based passive pixel sensor switch and its impact on biomedical x-ray imaging application
Author(s): Afrin Sultana; N. Safavian; M. H. Izadi; K. S. Karim; J. A. Rowlands
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Dual energy with dual source CT and kVp switching with single source CT: a comparison of dual energy performance
Author(s): M. Grasruck; S. Kappler; M. Reinwand; K. Stierstorfer
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Image-based dual energy CT improvements using Gram-Schmidt method
Author(s): Kyung-Kook Park; William Pavlicek; Thomas Boltz; Robert Paden; Amy Hara; Metin Akay
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Dual energy CT via fast kVp switching spectrum estimation
Author(s): Dan Xu; David A. Langan; Xiaoye Wu; Jed D. Pack; Thomas M. Benson; J. Eric Tkaczky; Andrea M. Schmitz
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Dual-energy contrast enhanced digital mammography: theoretical and experimental study of optimal monoenergetic beam parameters using synchrotron radiation
Author(s): Sylvie Puong; Razvan Iordache; Xavier Bouchevreau; Serge Muller
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Pre-reconstruction three-material decomposition in dual-energy CT
Author(s): Lifeng Yu; Xin Liu; Cynthia H. McCollough
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Enhanced discrimination of calcified and soft arterial plaques using computed tomography with a multi-energy-window photon counting x-ray detector
Author(s): Xiaolan Wang; Jingyan Xu; Katsuyuki Taguchi; Bradley E. Patt; Douglas J. Wagenaar; Eric C Frey
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Impact of scattered radiation on spectral CT
Author(s): Jens Wiegert; Klaus Jürgen Engel; Christoph Herrmann
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Empirical projection-based basis-component decomposition method
Author(s): Bernhard Brendel; Ewald Roessl; Jens-Peter Schlomka; Roland Proksa
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Linearity between CT number and iodine concentration and application to improving accuracy of CT number in slow kV-switching dual energy CT
Author(s): Yu Zou; Michael D. Silver
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Scatter correction algorithm without extra exposure for dual-energy digital mammography
Author(s): Xi Chen; Xuanqin Mou; Hao Yan; Hengyong Yu; Lei Zhang
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A material decomposition method for dual energy micro-CT
Author(s): S. M. Johnston; G. A. Johnson; C. T. Badea
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Dual-energy performance of dual kVp in comparison to dual-layer and quantum-counting CT system concepts
Author(s): S. Kappler; M. Grasruck; D. Niederlöhner; M. Strassburg; S. Wirth
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Fast kVp switching CT imaging of a dynamic cardiac phantom
Author(s): Jed D. Pack; David A. Langan; Xiaoye Wu; Dan Xu; Thomas M. Benson; Andrea M. Schmitz; J. Eric Tkaczyk; William Pavlicek; Thomas F. Boltz; Robert Payden; Jaynne Leverentz; Paul Licato
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Advanced material separation technique based on dual energy CT scanning
Author(s): Alexander A. Zamyatin; Anusha Natarajan; Yu Zou
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Monochromatic CT image representation via fast switching dual kVp
Author(s): Xiaoye Wu; David A. Langan; Dan Xu; Thomas M. Benson; Jed D. Pack; Andrea M. Schmitz; Eric J. Tkaczyk; Jaynne Leverentz; Paul Licato
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Development of a high-speed CT imaging system using EMCCD camera
Author(s): Samta C. Thacker; Kai Yang; Nathan Packard; Valeriy Gaysinskiy; George Burkett; Stuart Miller; John M. Boone; Vivek Nagarkar
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Stationary micro-CT scanner using a distributed multi-beam field emission x-ray source: a feasibility study
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