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Proceedings of SPIE Volume 7622

Medical Imaging 2010: Physics of Medical Imaging
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Volume Details

Volume Number: 7622
Date Published: 4 March 2010
Softcover: 190 papers (1826) pages
ISBN: 9780819480231

Table of Contents
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Front Matter: Volume 7622
Author(s): Proceedings of SPIE
Image-guided radiation therapy: emergence of MR-guided radiation treatment (MRgRT) systems
Author(s): D. A. Jaffray; M. Carlone; C. Menard; S. Breen
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Low-contrast visualization in megavoltage cone-beam CT at one beam pulse per projection using thick segmented scintillators
Author(s): Youcef El-Mohri; Larry E. Antonuk; Qihua Zhao; Richard B. Choroszucha; Yi Wang
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Feasibility of proton tomosynthesis system in proton therapy
Author(s): Min Kook Cho; Jungwook Shin; Ho Kyung Kim; Myonggeun Yoon; Dongho Shin; Se Byeong Lee; Sung Yong Park
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Development of a computational three-dimensional breast lesion phantom model
Author(s): Luis de Sisternes; Adam M. Zysk; Jovan G. Brankov; Miles N. Wernick
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Development of a 3D high-resolution physical anthropomorphic breast phantom
Author(s): Ann-Katherine Carton; Predrag Bakic; Christer Ullberg; Andrew D. A. Maidment
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Dual-modality imaging of a compressible breast phantom with realistic optical and x-ray properties
Author(s): B. D. Price; A. P. Gibson; G. J. Royle
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Triple-energy contrast enhanced digital mammography
Author(s): Sylvie Puong; Pablo Milioni de Carvalho; Serge Muller
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Development of in vivo characterization of breast tissues through absolute attenuation coefficients using dedicated cone-beam CT
Author(s): Priti Madhav; Christina M. Li; Martin P. Tornai
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A stepwedge-based method for measuring breast density: observer variability and comparison with human reading
Author(s): Jenny Diffey; Michael Berks; Alan Hufton; Camilla Chung; Rosanne Verow; Joanna Morrison; Mary Wilson; Caroline Boggis; Julie Morris; Anthony Maxwell; Susan Astley
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A new generation FFDM/tomosynthesis fusion system with selenium detector
Author(s): Baorui Ren; Chris Ruth; Tao Wu; Yiheng Zhang; Andrew Smith; Loren Niklason; Cornell Williams; Elena Ingal; Brad Polischuk; Zhenxue Jing
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Wide-angle breast tomosynthesis: initial comparative evaluation
Author(s): John Thompson; Baiyu Chen; Samuel Richard; James Bowsher; Ehsan Samei
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Effects of projection-view distributions on image quality of calcifications in digital breast tomosynthesis (DBT) reconstruction
Author(s): Yao Lu; Heang-Ping Chan; Mitch Goodsitt; Jun Wei; Lubomir Hadjiiski; Andrea Schmitz; Jeffrey W. Eberhard; Bernhard E. H. Claus
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Evaluation and optimization of the maximum-likelihood approach for image reconstruction in digital breast tomosynthesis
Author(s): Anna K. Jerebko; Thomas Mertelmeier
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Validation and optimization of digital breast tomosynthesis reconstruction using an anthropomorphic software breast phantom
Author(s): Predrag R. Bakic; Susan Ng; Peter Ringer; Ann-Katherine Carton; Emily F. Conant; Andrew D. A. Maidment
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Toward an international consensus strategy for periodic quality control of digital breast tomosynthesis systems
Author(s): J. Jacobs; N. Marshall; L. Cockmartin; F. Zanca; R. van Engen; K. Young; H. Bosmans; E. Samei
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Multi-beam x-ray source breast tomosynthesis reconstruction with different algorithms
Author(s): Weihua Zhou; Xin Qian; Jianping Lu; Otto Zhou; Ying Chen
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An analytical model of NPS and DQE comparing photon counting and energy integrating detectors
Author(s): Raymond J. Acciavatti; Andrew D. A. Maidment
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Digital mammography--DQE versus optimized image quality in clinical environment: an on site study
Author(s): Nadia Oberhofer; Alessandro Fracchetti; Margareth Springeth; Ehrenfried Moroder
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Generalized two-dimensional (2D) linear system analysis metrics (GMTF, GDQE) for digital radiography systems including the effect of focal spot, magnification, scatter, and detector characteristics
Author(s): Amit Jain; Andrew T. Kuhls-Gilcrist; Sandesh K. Gupta; Daniel R. Bednarek; Stephen Rudin
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Evaluation of effective detective quantum efficiency with digital radiography to optimize exposure condition for chest imaging
Author(s): Hyo-Min Cho; Hee-Joung Kim; Hye-Suk Park; Dae-Hong Kim; Chang-Lae Lee; Yu-Na Choi; Seung-Wan Lee
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Effects of image processing on the detective quantum efficiency
Author(s): Hye-Suk Park; Hee-Joung Kim; Hyo-Min Cho; Chang-Lae Lee; Seung-Wan Lee; Yu-Na Choi
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Quantitative multimodal x-ray tomography: absorption, phase, and darkfield contrast
Author(s): Martin Bech; Oliver Bunk; Tilman Donath; Robert Feidenhans'l; Christian David; Franz Pfeiffer
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A novel quantitative imaging technique for material differentiation based on differential phase contrast CT
Author(s): Zhihua Qi; Joseph Zambelli; Nicholas Bevins; Guang-Hong Chen
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X-ray dark-field computed tomography using a grating interferometer setup
Author(s): Nicholas Bevins; Joseph Zambelli; Zhihua Qi; Guang-Hong Chen
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Simulation of x-ray phase-contrast computed tomography of a medical phantom comprising particle and wave contributions
Author(s): Peter Bartl; Jürgen Durst; Wilhelm Haas; Eckhard Hempel; Thilo Michel; André Ritter; Thomas Weber; Gisela Anton
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Contributions to ideal observer SNRs in propagation-based x-ray phase-contrast imaging
Author(s): Mark A. Anastasio; Cheng-Ying Chou; Adam M. Zysk; Jovan G. Brankov
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The myth of mean dose as a surrogate for radiation risk?
Author(s): Ehsan Samei; Xiang Li; Baiyu Chen; Robert Reiman
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Multi-pinhole dynamic SPECT imaging: simulation and system optimization
Author(s): Dan Ma; Anne V. Clough; Taly Gilat Schmidt
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SPECT data acquisition and image reconstruction in a stationary small animal SPECT/MRI system
Author(s): Jingyan Xu; Si Chen; Jianhua Yu; Dirk Meier; Douglas J. Wagenaar; Bradley E. Patt; Benjamin M. W. Tsui
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Evaluation of a 3D point spread function (PSF) model derived from Monte Carlo simulation for a small animal PET scanner
Author(s): Rutao Yao; Ranjith M. Ramachandra; Ashish Panse; Deepika Balla; Jianhua Yan; Richard E. Carson
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A hypothesis testing approach for microwave breast imaging in conjunction with CT
Author(s): Jie Xu; Patrick A. Kelly; Paul Siqueira; Mini Das
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The generalized NEQ and detectability index for tomosynthesis and cone-beam CT: from cascaded systems analysis to human observers
Author(s): G. J. Gang; J. Lee; J. W. Stayman; D. J. Tward; W. Zbijewski; J. L. Prince; J. H. Siewerdsen
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Extending the detectability index to quantitative imaging performance: applications in tomosynthesis and CT
Author(s): Samuel Richard; Baiyu Chen; Ehsan Samei
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Observer model optimization of a spectral mammography system
Author(s): Erik Fredenberg; Magnus Åslund; Björn Cederström; Mats Lundqvist; Mats Danielsson
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Task-based performance analysis of SART for digital breast tomosynthesis using signal CNR and channelised Hotelling observers
Author(s): Dominique Van de Sompel; Michael Brady; Candy P. S. Ho; Andrew McLennan
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Task specific evaluation of clinical full field digital mammography systems using the Fourier definition of the Hotelling observer SNR
Author(s): Haimo Liu; Aldo Badano; Luis Benevides; Kish Chakrabarti; Richard V. Kaczmarek; Iacovos S. Kyprianou
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FFDM image quality assessment using computerized image texture analysis
Author(s): Rachelle Berger; Ann-Katherine Carton; Andrew D. A. Maidment; Despina Kontos
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Monte Carlo simulation of amorphous selenium imaging detectors
Author(s): Yuan Fang; Andreu Badal; Nicholas Allec; Karim S. Karim; Aldo Badano
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50 µm pixel size a-Se mammography imager with high DQE and increased temperature resistance
Author(s): G. Zentai; L. Partain; M. Richmond; K. Ogusu; S. Yamada
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Investigation of ghosting recovery techniques and mechanisms in multilayer selenium x-ray detector structures under low bias
Author(s): S. A. Mahmood; M. Z. Kabir; O. Tousignant; J. Greenspan; M. F. Mokam
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Lateral amorphous selenium metal-semiconductor-metal photodetector for large-area high-speed indirect-conversion medical imaging applications
Author(s): Kai Wang; Feng Chen; Kyung-Wook Shin; Nicholas Allec; Karim S. Karim
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Removal of trapped charge in selenium detectors
Author(s): Denny Lee; Andrew D. A. Maidment
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Noise in energy-discriminating photon-counting x-ray imaging detectors
Author(s): Jesse Tanguay; Ho Kyung Kim; Ian A. Cunningham
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Photon counting pixel and array in amorphous silicon technology for large area digital medical imaging applications
Author(s): Mohammad Y. Yazdandoost; Kyung W. Shin; Nader Safavian; Farhad Taghibakhsh; Karim S. Karim
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Microcomputed tomography with a second generation photon-counting x-ray detector: contrast analysis and material separation
Author(s): X. Wang; D. Meier; P. Oya; G. E. Maehlum; D. J. Wagenaar; B. M. W. Tsui; B. E. Patt; E. C. Frey
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An analytical model of the effects of pulse pileup on the energy spectrum recorded by energy resolved photon counting x-ray detectors
Author(s): Katsuyuki Taguchi; Eric C. Frey; Xiaolan Wang; Jan S. Iwanczyk; William C. Barber
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Practical energy response estimation of photon counting detectors for spectral X-ray imaging
Author(s): Dong-Goo Kang; Jongha Lee; Younghun Sung; SeongDeok Lee
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Fast photon counting CdTe detectors for diagnostic clinical CT: dynamic range, stability, and temporal response
Author(s): William C. Barber; Einar Nygard; Jan C. Wessel; Nail Malakhov; Gregor Wawrzyniak; Neal E. Hartsough; Thulasi Gandhi; Jan S. Iwanczyk
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Performance assessment of a new dynamic scan mode for perfusion computed tomography using a biological phantom
Author(s): U. Haberland; E, Klotz; N. Abolmaali
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Design, optimization and testing of a multi-beam micro-CT scanner based on multi-beam field emission x-ray technology
Author(s): R. Peng; J. Zhang; X. Calderon-Colon; S. Wang; S. Sultana; P. Wang; G. Yang; S. Chang; J. Lu; O. Zhou
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High power distributed x-ray source
Author(s): Kris Frutschy; Bogdan Neculaes; Lou Inzinna; Antonio Caiafa; Joe Reynolds; Yun Zou; Xi Zhang; Satish Gunturi; Yang Cao; Bill Waters; Dave Wagner; Bruno De Man; Dan McDevitt; Rick Roffers; Brian Lounsberry; Norbert J. Pelc
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Improved CT image quality using a new fully physical imaging chain
Author(s): Jens Wiegert; Matthias Bertram; Steffen Wiesner; Richard Thompson; Kevin M. Brown; Thomas Morton; Tsvi Katchalski; Yoad Yagil
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Patient-specific radiation dose and cancer risk estimation in pediatric chest CT: a study in 30 patients
Author(s): Xiang Li; Ehsan Samei; W. Paul Segars; Gregory M. Sturgeon; James G. Colsher; Donald P. Frush
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Fluoroscopic x-ray demonstrator using a CdTe polycrystalline layer coupled to a CMOS readout chip
Author(s): M. Arques; S. Renet; A. Brambilla; G. Feuillet; A. Gasse; N. Billon-Pierron; M. Jolliot; L. Mathieu; P. Rohr
Show Abstract
Pixel electronic noise as a function of position in an active matrix flat panel imaging array
Author(s): Mohammad Y, Yazdandoost; Dali Wu; Karim S. Karim
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Multilayer x-ray detector for contrast-enhanced digital subtraction mammography
Author(s): Nicholas Allec; Karim S. Karim
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Investigation of gain non-uniformities in the two TFT current programmed amorphous silicon active pixel sensor for fluoroscopy, chest radiography, and mammography tomosynthesis applications
Author(s): Nader Safavian; M. Yazdandoost; D. Wu; M. H. Izadi; K. S. Karim; J. A. Rowlands
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Effect of scintillator crystal geometry and surface finishing on depth of interaction resolution in PET detectors: Monte Carlo simulation and experimental results using silicon photomultipliers
Author(s): Sarah Cuddy; Alla Reznik; John A. Rowlands; Farhad Taghibakhsh
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The solid state x-ray image intensifier (SSXII) in single photon counting (SPC) mode
Author(s): Andrew Kuhls-Gilcrist; Amit Jain; Daniel R, Bednarek; Stephen Rudin
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A super resolution technique for clinical multislice CT
Author(s): Xin Liu; Lifeng Yu; Armando Manduca; Erik L. Ritman; Cynthia H. McCollough
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Iterative circular conebeam CT reconstruction using fast hierarchical backprojection/reprojection operators
Author(s): Jeffrey Brokish; Daniel B. Keesing; Yoram Bresler
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Histogram-driven cupping correction (HDCC) in CT
Author(s): Y. Kyriakou; M. Meyer; R. Lapp; W. A. Kalender
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Metal artifact reduction in computed tomography by constrained optimization
Author(s): Xiaomeng Zhang; Jing Wang; Lei Xing
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Accurate image reconstruction of a small ROI using fully truncated data in differential phase contrast computed tomography
Author(s): Pascal Thériault Lauzier; Zhihua Qi; Joseph Zambelli; Nicholas Bevins; Guang-Hong Chen
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Initial use of fast switched dual energy CT for coronary artery disease
Author(s): William Pavlicek; Prasad Panse; Amy Hara; Thomas Boltz; Robert Paden; Didem Yamak; Paul Licato; Naveen Chandra; Darin Okerlund; Sandeep Dutta; Rahul Bhotika; David Langan
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Multi-material decomposition of spectral CT images
Author(s): Paulo R. S. Mendonça; Rahul Bhotika; Mahnaz Maddah; Brian Thomsen; Sandeep Dutta; Paul E. Licato; Mukta C. Joshi
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Material decomposition with inconsistent rays (MDIR) for cone-beam dual energy CT
Author(s): Clemens Maass; Rainer Grimmer; Marc Kachelrieß
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Head and body CTDIw of dual-energy x-ray CT with fast-kVp switching
Author(s): Baojun Li; Girijesh Yadava; Jiang Hsieh; Naveen Chandra; Mary Sue Kulpins
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A research prototype system for quantum-counting clinical CT
Author(s): S. Kappler; F. Glasser; S. Janssen; E. Kraft; M. Reinwand
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ChromAIX: a high-rate energy-resolving photon-counting ASIC for spectal computed tomography
Author(s): Roger Steadman; Christoph Herrmann; Oliver Mülhens; Dale G. Maeding; James Colley; Ted Firlit; Randy Luhta; Marc Chappo; Brian Harwood; Doug Kosty
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The dependence of image quality on the number of high and low kVp projections in dual energy CT using the prior image constrained compressed sensing (PICCS) algorithm
Author(s): Timothy P. Szczykutowicz; Jiang Hsieh; Guang-Hong Chen
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Performance study of the temporal resolution improvement using prior image constrained compressed sensing (TRI-PICCS)
Author(s): Jie Tang; Jiang Hsieh; Guang-Hong Chen
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Compressive sensing of images with a priori known spatial support
Author(s): Armando Manduca; Joshua D. Trzasko; Zhoubo Li
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Direct pharmacokinetic parameter estimation using weighted least squares
Author(s): Andrew McLennan; Michael Brady
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Noise and bias properties of monoenergetic images from DECT used for attenuation correction with PET/CT and SPECT/CT
Author(s): Ting Xia; Adam M. Alessio; Paul E. Kinahan
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Low dose, low noise, and high resolution volume of interest (VOI) imaging in C-arm flat-detector CT
Author(s): Daniel Kolditz; Yiannis Kyriakou; Willi A. Kalender
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4D-DSA and 4D fluoroscopy: preliminary implementation
Author(s): C. A. Mistretta; E. Oberstar; B. Davis; E. Brodsky; C. M. Strother
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Image reconstruction in cardiac interventions using a small flat-panel detector
Author(s): Pascal Thériault Lauzier; Jie Tang; Zhihua Qi; Guang-Hong Chen
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Investigating the dose distribution in the uncompressed breast with a dedicated CT mammotomography system
Author(s): Dominic J. Crotty; Samuel L. Brady; D'Vone C. Jackson; Greta I. Toncheva; Colin E. Anderson; Terry T. Yoshizumi; Martin P. Tornai
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Optimization of system parameters for modulator design in x-ray scatter correction using primary modulation
Author(s): Hewei Gao; Lei Zhu; Rebecca Fahrig
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Desktop micro-CT with a nanotube field emission x-ray source for high-resolution cardiac imaging
Author(s): Guohua Cao; Xiomara Calderon-Colon; Laurel Burk; Yueh Z. Lee; Shabana Sultana; Jianping Lu; Otto Zhou
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Non-convex prior image constrained compressed sensing (NC-PICCS)
Author(s): Juan Carlos Ramírez Giraldo; Joshua D. Trzasko; Shuai Leng; Cynthia H. McCollough; Armando Manduca
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Potential benefit of the CT adaptive statistical iterative reconstruction method for pediatric cardiac diagnosis
Author(s): Frédéric A. Miéville; Paul Ayestaran; Christophe Argaud; Elena Rizzo; Phalla Ou; Francis Brunelle; François Gudinchet; François Bochud; Francis R. Verdun
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3D numerical test objects for the evaluation of a software used for an automatic analysis of a linear accelerator mechanical stability
Author(s): Tarraf Torfeh; Stéphane Beaumont; Jeanpierre Guédon; Yassine Benhdech
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Properties of a parameterization of radon projection by the reconstruction on circular disc
Author(s): O. Tischenko; A. Schegerer; Y. Xu; C. Hoeschen
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Investigation on PI-line selecting method base on GPU accelerated back-projection filtered VOI reconstruction
Author(s): Han Zheng; Yanyan Yu; Yan Kang; Jiren Liu
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A new approach to limited angle tomography using the compressed sensing framework
Author(s): Ludwig Ritschl; Frank Bergner; Marc Kachelriess
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Embossed radiography utilizing a subtraction program in conjunction with a 0.5-mm-focus x-ray tube
Author(s): Eiichi Sato; Purkhet Abderyim; Akihiro Osawa; Hiroshi Matsukiyo; Toshiyuki Enomoto; Manabu Watanabe; Kiyomi Takahashi; Shigehiro Sato; Akira Ogawa; Jun Onagawa
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Iterative reconstruction in image space (IRIS) and lesion detection in abdominal CT
Author(s): Sameer Tipnis; Ashok Ramachandra; Walter Huda; Andrew Hardie; Joseph Schoepf; Philip Costello; Thomas Flohr; Martin Sedlmair
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TV-regularized iterative image reconstruction on a mobile C-ARM CT
Author(s): Yongsheng Pan; Ross Whitaker; Arvi Cheryauka; Dave Ferguson
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Anatomy guided automated SPECT renal seed point estimation
Author(s): Shekhar Dwivedi; Sailendra Kumar
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Evaluation of dual-front active contour segmentation and metal shadow filling methods on metal artifact reduction in multi-slice helical CT
Author(s): Hua Li; Lifeng Yu; Luis S. Guimaraes; Joel G. Fletcher; Cynthia H. McCollough
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Adaptive modulation of bilateral filtering based on a practical noise model for streaking and noise reduction in multi-slice CT
Author(s): Lifeng Yu; Armando Manduca; Megan Jacobsen; Joshua D. Trzasko; Joel G. Fletcher; David R. DeLone; Cynthia H. McCollough
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A preliminary study of few-view image reconstruction of sparse objects in cone-beam micro-CT
Author(s): Xiao Han; Junguo Bian; Diane R. Eaker; Emil Y. Sidky; Erik L. Ritman; Xiaochuan Pan
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Dose reduction and lesion delectability in abdominal CT
Author(s): Sameer Tipnis; Walter Huda; Andrew Hardie; Kent Ogden
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Imaging properties of gold nanoparticles: CT number dependence study
Author(s): Shu-Ju Tu; Hui-Ling Hsieh; Tsi-Chian Chao
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An exact modeling of signal statistics in energy-integrating x-ray computed tomography
Author(s): Yi Fan; Hongbing Lu; Hongbin Zhu; Xiangyang Tang; Zhengrong Liang
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Evaluation of the low dose cardiac CT imaging using ASIR technique
Author(s): Jiahua Fan; Jiang Hsieh; Amy Deubig; Paavana Sainath; Peter Crandall
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Toward iterative reconstruction in clinical CT: increased sharpness-to-noise and significant dose reduction owing to a new class of regularization priors
Author(s): H. Bruder; R. Raupach; M. Sedlmair; F. Würsching; K. Schwarz; K. Stierstorfer; T. Flohr
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Quantitative CT: technique dependency of volume assessment for pulmonary nodules
Author(s): Baiyu Chen; Samuel Richard; Huiman Barnhart; James Colsher; Maxwell Amurao; Ehsan Samei
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Imaging the basic function unit of small/medium animal via diagnostic CT with an adaptor-and-holder assembly (AAHA): feasibility study
Author(s): Xiangyang Tang
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Energy-discrimination x-ray computed tomography system utilizing a scanning cadmium-telluride detector
Author(s): Eiichi Sato; Ablajan Abduraxit; Toshiyuki Enomoto; Manabu Watanabe; Keitaro Hitomi; Kiyomi Takahashi; Shigehiro Sato; Akira Ogawa; Jun Onagawa
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Development and quality characterization of a novel CT system
Author(s): Alexander A. Schegerer; Martin Lingenheil; Matthias Klaften; Thomas Förster; Martin Hrabé de Angelis; Christoph Hoeschen
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Fast cardiac CT simulation using a graphics processing unit-accelerated Monte Carlo code
Author(s): Andreu Badal; Iacovos Kyprianou; Diksha Sharma; Aldo Badano
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Designing a phantom for dose evaluation in multi-slice CT
Author(s): Samir Abboud; Andreu Badal; Stanley H. Stern; Iacovos S. Kyprianou
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Use of beam shapers for cone-beam CT with off-centered flat detector
Author(s): Bernd Menser; Jens Wiegert; Steffen Wiesner; Matthias Bertram
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Images registration and superimposition for dual resolution cone beam CT: a preliminary study
Author(s): Zhicheng You; Youtao Shen; Yuncheng Zhong; Lingyun Chen; Tao Han; Shuaiping Ge; Ying Yi; Tianpeng Wang; Chao-Jen Lai; Xinming Liu; Chris C. Shaw
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Pseudo super-resolution for improved calcification characterization for cone beam breast CT (CBBCT)
Author(s): Jiangkun Liu; Ruola Ning; Weixing Cai
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Development of a beam hardening filter and characterization of the spatial resolution for a cone beam CT imaging system
Author(s): Ricardo Betancourt Benítez; Ruola Ning
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GPU-based iterative reconstruction with total variation minimization for micro-CT
Author(s): S. M. Johnston; G. A. Johnson; C. T. Badea
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GPU implementation of prior image constrained compressed sensing (PICCS)
Author(s): Brian E. Nett; Jie Tang; Guang-Hong Chen
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Accelerating ring artifact correction for flat-detector CT using the CUDA framework
Author(s): W. Chen; D. Prell; Y, Kyriakou; W. A. Kalender
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Demonstration of dual resolution cone beam CT technique with an a-Si/a-Se flat panel detector
Author(s): Youtao Shen; Yuncheng Zhong; Lingyun Chen; Chao-Jen Lai; Xinming Liu; Tao Han; Ying Yi; Zhicheng You; Shuaiping Ge; Tianpeng Wang; Chris C. Shaw
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Initial investigation into lower-cost CT for resource limited regions of the world
Author(s): James T. Dobbins; Jered R. Wells; W. Paul Segars; Christina M. Li; Christopher J. N. Kigongo
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GPU-accelerated metal artifact reduction (MAR) in FD-CT
Author(s): M. Beister; D. Prell; Y. Kyriakou; W. A. Kalender
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Scatter in an uncollimated x-ray CT machine based on a Geant4 Monte Carlo simulation
Author(s): Nicola Wadeson; Edward Morton; William Lionheart
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Off-center object of interest (OOI) imaging in filtered region of interest rotational angiography (FROI-RA)
Author(s): Sebastian Schafer; Peter B. Noël; Alan M. Walczak; Andrew Kuhls-Gilcrist; Kenneth R. Hoffmann
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Phase-selective image reconstruction of the lungs in small animals using micro-CT
Author(s): S. M. Johnston; B. A. Perez; D. G. Kirsch; C. T. Badea
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Contrast-enhancement, image noise, and dual-energy simulations for quantum-counting clinical CT
Author(s): S. Kappler; D. Niederlöhner; K. Stierstorfer; T. Flohr
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The impact of dual energy CT on pseudo enhancement of kidney lesions
Author(s): Jan Müller; Terri Vrtiska; Bernhard Schmidt; Ben Howe; Cynthia McCollough; Thorsten M. Buzug; Martin Petersilka; Christian Eusemann
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Effective atomic number accuracy for kidney stone characterization using spectral CT
Author(s): M. Joshi; D. A. Langan; D. S. Sahani; A. Kambadakone; S. Aluri; K. Procknow; X. Wu; R. Bhotika; D. Okerlund; N. Kulkarni; D. Xu
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Impact of photon counting detector spectral response on dual energy techniques
Author(s): Adam S. Wang; Norbert J. Pelc
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Evaluation of an image-based algorithm for quantitative spectral CT applications
Author(s): Björn J. Heismann; Michael Balda
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In vivo measurement of iron concentration using dual-source dual-energy CT
Author(s): Paul T. Weavers; Megan Jacobsen; Xin Liu; Richard L. Morin; Cynthia H. McCollough
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Differentiation of uric acid versus non-uric acid kidney stones in the presence of iodine using dual-energy CT
Author(s): J. Wang; M. Qu; S. Leng; C. H. McCollough
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Simulation study of an energy sensitive photon counting silicon strip detector for computed tomography: identifying strengths and weaknesses and developing work-arounds
Author(s): Hans Bornefalk; Cheng Xu; Christer Svensson; Mats Danielsson
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Electronic noise comparison of amorphous silicon current mode and voltage mode active pixel sensors for large area digital x-ray imaging
Author(s): Dali Wu; Nader Safavian; Mohammad Y. Yazdandoost; Mohammad Hadi Izadi; Karim S. Karim
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Amorphous selenium lateral Frisch photodetector and photomultiplier for high performance medical x-ray and gamma-ray imaging applications
Author(s): A. H. Goldan; K. Wang; F. Chen; K. S. Karim
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Phosphor-filled micro-well arrays for digital x-ray imaging: effects of surface treatments
Author(s): Seungman Yun; Chang Hwy Lim; Tae Woo Kim; Ian Cunningham; Thorsten Achterkirchen; Ho Kyung Kim
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Development of a large-area CMOS-based detector for real-time x-ray imaging
Author(s): Sung Kyn Heo; Sung Kyu Park; Sung Ha Hwang; Dong Ak Im; Jari Kosonen; Tae Woo Kim; Seungman Yun; Ho Kyung Kim
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Modeling of pulse signals in photon-counting detectors
Author(s): Chang Hwy Lim; Okla Joe; Ian Cunningham; Ho Kyung Kim
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Performance of a prototype amorphous silicon active pixel sensor array using a-Se for direct x-ray conversion
Author(s): M. H. Izadi; O. Tousignant; M. F. Mokam; M. Yazdandoost; N. Safavian; H. Mani; L. Laperriere; K. S. Karim
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Scanning translucent glass-ceramic x-ray storage phosphors
Author(s): A. R. Lubinsky; J. A. Johnson; S. Schweizer; J. K. R. Weber; R. M. Nishikawa; P. Domenicali; S. D. Fantone
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Amorphous silicon p-i-n photodetector with Frisch grid for high-speed medical imaging
Author(s): Nicholas Allec; Amir H. Goldan; Kai Wang; Feng Chen; Karim S. Karim
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An aging study of the signal and noise characteristics in large-area CMOS detectors
Author(s): Jong Chul Han; Seungman Yun; Chang Hwy Lim; Tae Gyun Youm; Sung Kyn Heo; Tae Woo Kim; Ian Cunningham; Ho Kyung Kim
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Cadmium zinc telluride detector for low photon energy applications
Author(s): Kyung-Wook Shin; Kai Wang; Alla Reznic; Karim S. Karim
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New development of large-area direct conversion detector for digital radiography using amorphous selenium with a C60-doped polymer layer
Author(s): F. Nariyuki; S. Imai; H. Watano; T. Nabeta; Y. Hosoi
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Daily quality control for breast tomosynthesis
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Singular system analysis of breast tomosynthesis systems for choosing projection angles
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Reliability study of reconstruction methods in tomosynthesis imaging of various geometrical objects
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Performance characterization of computed radiography based mammography systems
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Design of, and some clinical experience with, a novel optical surface measurement system in radiotherapy
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Adaptive platform for fluorescence microscopy-based high-content screening
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Nonintrusive noncontacting frequency-domain photothermal radiometry of caries
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A balanced filterless K-edge energy window multilayer detector for dual energy computed tomography
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Adapted erase method using ultraviolet light and the influence of ghosting image on a clinical CR image
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Imaging quality assessment of multiplexing x-ray radiography based on multi-beam x-ray source technology
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MEG source detection revisited
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Bone cartilage imaging with x-ray interferometry using a practical x-ray tube
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Mobile measurement setup according to IEC 62220-1-2 for DQE determination on digital mammography systems
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Practical evaluation of image quality in computed radiographic (CR) imaging systems
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A software tool to measure the geometric distortion in x-ray image systems
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Effects of image lag on real-time target tracking in radiotherapy
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Temporal-spatial characteristic evaluation in a dynamic flat-panel detector system
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Characterization of focal spots of x-ray tubes in CT systems: method development and examples
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A method for the determination of the two-dimensional MTF of digital radiography systems using only the noise response
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The impact of processing delay on the exposure index value
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Detection of simulated microcalcifications in digital mammography: effects of quantum and anatomic noises: preliminary study
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Noise characterization of computed tomography using the covariance matrix
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New method to perform dosimetric quality control of treatment planning system using PENELOPE Monte Carlo and anatomical digital test objects
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Epp - A C++ EGSnrc user code for Monte Carlo simulation of radiation transport
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Comparing experimental measurements of x-ray detector responses with Monte Carlo predictions: figures of merit and model development
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A local and iterative neural reconstruction algorithm for cone-beam data
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Hyperparameter selection for OSEM SPECT reconstruction in mesh domain with total variation regularization
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Combined algorithmic and GPU acceleration for ultra-fast circular conebeam backprojection
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Optimizing kernel size in generalized auto-calibrating partially parallel acquisition in parallel magnetic resonance imaging
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Analytical solution to cone-beam SPECT reconstruction with non-uniform attenuation and distance-dependent resolution variation
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Accurate determination of the shape and location of metal objects in x-ray computed tomography
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System matrix for OSEM SPECT with attenuation compensation in mesh domain
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Rapid 3D regularized EM reconstruction for Compton cameras using GPU
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Clinical low dose CT image reconstruction using high-order total variation techniques
Author(s): Synho Do; W. Clem Karl; Mannudeep K. Kalra; Thomas J. Brady; Homer Pien
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DR with a DSLR: digital radiography with a digital single-lens reflex camera
Author(s): Helen Fan; Heather L. Durko; Stephen K. Moore; Jared Moore; Brian Miller; Lars R. Furenlid; Sunil Pradhan; Harrison H. Barrett
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Design and construction of a micro-focus in-line phase-contrast cone-beam CT (PC-CBCT) system for soft tissue imaging
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Design and characterization of a carbon-nanotube-based micro-focus x-ray tube for small animal imaging
Author(s): Shabana Sultana; Xiomara Calderón-Colón; Guohua Cao; Otto Zhou; Jianping Lu
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Progress in the development of a new angiography suite including the high resolution micro-angiographic fluoroscope (MAF): a control, acquisition, processing, and image display system (CAPIDS), and a new detector changer integrated into a commercial C-arm angiography unit to enable clinical use
Author(s): Weiyuan Wang; Ciprian N. Ionita; Christos Keleshis; Andrew Kuhls-Gilcrist; Amit Jain; Daniel Bednarek; Stephen Rudin
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Deblurring in digital tomosynthesis by iterative self-layer subtraction
Author(s): Hanbean Youn; Jee Young Kim; SunYoung Jang; Min Kook Cho; Seungryong Cho; Ho Kyung Kim
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Impulse response characterization of breast tomosynthesis reconstruction with parallel imaging configurations
Author(s): Apuroop Balla; Weihua Zhou; Ying Chen
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Angular dependence of mammographic dosimeters in digital breast tomosynthesis
Author(s): Lena R. Bradley; Ann-Katherine Carton; Andrew D. A. Maidment
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Distributed source x-ray tube technology for tomosynthesis imaging
Author(s): F. Sprenger; X. Calderon-Colon; Y. Cheng; K. Englestad; J. Lu; J. Maltz; A. Paidi; X. Qian; D. Spronk; S. Sultana; G. Yang; O. Zhou
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