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PROCEEDINGS VOLUME 8313

Medical Imaging 2012: Physics of Medical Imaging
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Volume Details

Volume Number: 8313
Date Published: 17 April 2012
Softcover: 213 papers (1808) pages
ISBN: 9780819489623

Table of Contents
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Front Matter: Volume 8313
Author(s): Proceedings of SPIE
An object-specific and dose-sparing scatter correction approach for a dedicated cone-beam breast CT system using a parallel-hole collimator
Author(s): Kai Yang; George Burkett; John M. Boone
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Potential for cone beam scatter imaging in screening mammography
Author(s): Lubna Peerzada; Laila Hassan; Wei Zhou; C. A. MacDonald
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A fast scatter field estimator for digital breast tomosynthesis
Author(s): Oliver Díaz; David R. Dance; Kenneth C. Young; Premkumar Elangovan; Predrag R. Bakic; Kevin Wells
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Optimization of continuous tube motion and step-and-shoot motion in digital breast tomosynthesis systems with patient motion
Author(s): Raymond J. Acciavatti; Andrew D. A. Maidment
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Optimizing configuration parameters of a stationary digital breast tomosynthesis system based on carbon nanotube x-ray sources
Author(s): Andrew Tucker; Xin Qian; Emily Gidcumb; Derrek Spronk; Frank Sprenger; Johnny Kuo; Susan Ng; Jianping Lu; Otto Zhou
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Impact of image acquisition timing on image quality for dual energy contrast-enhanced breast tomosynthesis
Author(s): Melissa L. Hill; James G. Mainprize; Sylvie Puong; Ann-Katherine Carton; Razvan Iordache; Serge Muller; Martin J. Yaffe
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Task-based strategy for optimized contrast enhanced breast imaging: analysis of six imaging techniques for mammography and tomosynthesis
Author(s): Lynda Ikejimba; Nooshin Kiarashi; Yuan Lin; Baiyu Chen; Sujata V. Ghate; Moustafa Zerhouni; Ehsan Samei; Joseph Y. Lo
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Experimental quantification of lesion detectability in contrast enhanced dual energy digital breast tomosynthesis
Author(s): Yue-Houng Hu; Wei Zhao
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Comparing human observer performance in detecting microcalcifications with energy weighting and photon counting breast CT
Author(s): Kesava Kalluri; Mufeed Mahd; Stephen J. Glick
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Development of a dynamic 4D anthropomorphic breast phantom for contrast-based breast imaging
Author(s): Nooshin Kiarashi; Yuan Lin; William P. Segars; Sujata V. Ghate; Lynda Ikejimba; Baiyu Chen; Joseph Y. Lo; James T. Dobbins; Loren W. Nolte; Ehsan Samei
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Mammogram enhancement using multi-energy x-ray
Author(s): Jae-Hyun Kwon; Hyun-Hwa Oh; SungSu Kim; Younghun Sung; SeungDeok Lee
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Algorithmic scatter correction in dual-energy digital mammography for calcification imaging
Author(s): Xi Chen; Robert M. Nishikawa; Suk-Tak Chan; Beverly A. Lau; Lei Zhang; Xuanqin Mou
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Photon-counting spectral phase-contrast mammography
Author(s): E. Fredenberg; E. Roessl; T. Koehler; U. van Stevendaal; I. Schulze-Wenck; N. Wieberneit; M. Stampanoni; Z. Wang; R. A. Kubik-Huch; N. Hauser; M. Lundqvist; M. Danielsson; M. Åslund
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Investigation of an active matrix flat-panel imager (AMFPI) employing a thin layer of polycrystalline HgI2 photoconductor for mammographic imaging
Author(s): Hao Jiang; Qihua Zhao; Youcef El-Mohri; Larry E. Antonuk; Tapan Gupta
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Effective detective quantum efficiency (eDQE) and effective noise equivalent quanta (eNEQ) for system optimization purposes in digital mammography
Author(s): Elena Salvagnini; Hilde Bosmans; Lara Struelens; Nicholas W. Marshall
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Lesion characterization using spectral mammography
Author(s): B. Norell; E. Fredenberg; K. Leifland; M. Lundqvist; B. Cederström
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Mammographic calcification cluster detection and threshold gold thickness measurements
Author(s): L. M. Warren; A. Mackenzie; J. Cooke; R. Given-Wilson; M. G. Wallis; D. P. Chakraborty; D. R. Dance; K. C. Young
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Model-based estimation of breast percent density in raw and processed full-field digital mammography images from image-acquisition physics and patient-image characteristics
Author(s): Brad M. Keller; Diane L. Nathan; Emily F. Conant; Despina Kontos
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Realistic simulation of breast mass appearance using random walk
Author(s): Alaleh Rashidnasab; Premkumar Elangovan; David R. Dance; Kenneth C. Young; Mary Yip; Oliver Diaz; Kevin Wells
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Improved diagnostic differentiation of renal cystic lesions with phase-contrast computed tomography (PCCT)
Author(s): Peter B. Noel; Marian Willner; Alexander Fingerle; Julia Herzen; Daniela Münzel; Dieter Hahn; Ernst J. Rummeny; Franz Pfeiffer
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Small-animal tomography with a liquid-metal-jet x-ray source
Author(s): D. H. Larsson; U. Lundström; U. Westermark; P. A. C. Takman; A. Burvall; M. Arsenian Henriksson; H. M. Hertz
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Anode thermal analysis of high power microfocus CNT x-ray tubes for in vivo small animal imaging
Author(s): Jing Shan; Otto Zhou; Jianping Lu
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Series of 4D adult XCAT phantoms for imaging research and dosimetry
Author(s): Jason Bond; Jack Frush; Sylvia Hon; Chris Eckersley; Cameron H. Williams; Jianqiao Feng; Daniel J. Tward; Tilak J. T. Ratnanather; M. I. Miller; D. Frush; E. Samei; W. P. Segars
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New head equivalent phantom for task and image performance evaluation representative for neurovascular procedures occurring in the Circle of Willis
Author(s): Ciprian N. Ionita; Brendan Loughran; Amit Jain; S. N. Swetadri Vasan; Daniel R. Bednarek; Elad Levy; Adnan H. Siddiqui; Kenneth V. Snyder; L. N. Hopkins; Stephen Rudin
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X-ray fluorescence molecular imaging with high sensitivity: feasibility study in phantoms
Author(s): Guohua Cao; Jianping Lu; Otto Zhou
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Investigations on x-ray luminescence CT for small animal imaging
Author(s): C. T. Badea; I. N. Stanton; S. M. Johnston; G. A. Johnson; M. J. Therien
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Evaluating the dose effects of a longitudinal micro-CT study on pulmonary tissue in C57BL/6 mice
Author(s): Sarah A. Detombe; Joy Dunmore-Buyze; Ivailo E. Petrov; Maria Drangova
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A liquid xenon detector for PET applications: simulated performance
Author(s): A. Miceli; A. Andreyev; D. Bryman; J. Glister; L. Kurchaninov; A. Muennich; F. Retiere; V. Sossi
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A comparison of dual kV energy integrating and energy discriminating photon counting detectors for dual energy x-ray imaging
Author(s): Adam S. Wang; Norbert J. Pelc
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First results from a hybrid prototype CT scanner for exploring benefits of quantum-counting in clinical CT
Author(s): S. Kappler; T. Hannemann; E. Kraft; B. Kreisler; D. Niederloehner; K. Stierstorfer; T. Flohr
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Evaluation of an ultra-fast photon-counting energy-resolved ASIC for spectral CT
Author(s): Cheng Xu; Moa Yveborg; Han Chen; Mats Danielsson; Staffan Karlsson; Christer Svensson; Hans Bornefalk
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Pulse pileup statistics for energy sensitive photon counting detectors with pulse height analysis
Author(s): Katsuyuki Taguchi; Somesh Srivastava; Qiulin Tang; Brian S. Caffo; Jan S. Iwanczyk; Neal E. Hartsough; William C. Barber; Jochen Cammin
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Extension of cascaded systems analysis to single-photon-counting x-ray detectors
Author(s): Jesse Tanguay; Seungman Yun; Ho Kyung Kim; Ian A. Cunningham
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Spectral response compensation for photon-counting clinical x-ray CT using sinogram restoration
Author(s): Somesh Srivastava; Jochen Cammin; George S. K. Fung; Benjamin M. W. Tsui; Katsuyuki Taguchi
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An empirical method for correcting the detector spectral response in energy-resolved CT
Author(s): Taly Gilat Schmidt
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Resolution enhancement of computed radiography images using two orthogonal tilts
Author(s): Steven I. Pollmann; Chris J. D. Norley; Xunhua Yuan; David W. Holdsworth
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A robust approach to measuring the detective quantum efficiency of radiographic detectors in a clinical setting
Author(s): Michael C. McDonald; H. K. Kim; J. R. Henry; I. A. Cunningham
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Evaluation of intracranial aneurysm coil embolization in phantoms and patients using a high resolution microangiographic fluoroscope (MAF)
Author(s): Ciprian N. Ionita; Amit Jain; Brendan Loughran; S. N. Swetadri Vasan; Daniel R. Bednarek; Elad Levy; Adnan H. Siddiqui; Kenneth V. Snyder; L. N. Hopkins; Stephen Rudin
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Region-of-interest micro-angiographic fluoroscope detector used in aneurysm and artery stenosis diagnoses and treatment
Author(s): Weiyuan Wang; Ciprian Ionita; Ying Huang; Bin Qu; Ashish Panse; Amit Jain; Daniel R. Bednarek; Stephen Rudin
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Dose and scatter characteristics of a novel cone beam CT system for musculoskeletal extremities
Author(s): W. Zbijewski; A. Sisniega; J. J. Vaquero; A. Muhit; N. Packard; R. Senn; D. Yang; J. Yorkston; J. A. Carrino; J. H. Siewerdsen
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Low-dose and scatter-free cone-beam CT imaging: a preliminary study
Author(s): Xue Dong; Xun Jia; Tianye Niu; Lei Zhu
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Initial results with a multisource inverse-geometry CT system
Author(s): Jongduk Baek; Norbert J. Pelc; Bruno Deman; Jorge Uribe; Daniel Harrison; Joseph Reynolds; Bogdan Neculaes; Louis Inzinna; Antonio Caiafa
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Region-of-interest reconstruction on medical C-arms with the ATRACT algorithm
Author(s): Frank Dennerlein; Andreas Maier
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Feasibility study of 3D cardiac imaging using a portable conebeam scanner
Author(s): Ivailo Petrov; Patrick A. Helm; Maria Drangova
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Breathing motion compensated reconstruction for C-arm cone beam CT imaging: initial experience based on animal data
Author(s): D. Schäfer; M. Lin; P. P. Rao; R. Loffroy; E. Liapi; N. Noordhoek; P. Eshuis; A. Radaelli; M. Grass; J.-F. H. Geschwind
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New consistency theorem of motion contaminated projection data and applications in motion artifacts correction
Author(s): Jie Tang; Pascal Thériault Lauzier; Zhihua Qi; Timothy Szczykutowicz; Guang-Hong Chen
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Efficacy of fixed filtration for rapid kVp-switching dual energy x-ray systems: experimental verification
Author(s): Yuan Yao; Adam S. Wang; Norbert J. Pelc
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Image-based synthetic CT: simulating arbitrary low dose single and dual energy protocols from dual energy images
Author(s): Adam S. Wang; Charles Feng; Norbert J. Pelc
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A method for modulation transfer function determination from blood vessel profiles measured in computed tomography
Author(s): Y. Nakaya; Y. Kawata; N. Niki; H. Ohmatsu; N. Moriyama
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Adaptive non-local means filtering based on local noise level for CT denoising
Author(s): Zhoubo Li; Lifeng Yu; Joshua D. Trzasko; Joel G. Fletcher; Cynthia H. McCollough; Armando Manduca
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Theoretical framework for the dual-energy cone-beam CT noise-power spectrum, NEQ, and tasked-based detectability index
Author(s): G. J. Gang; W. Zbijewski; J. W. Stayman; J. A. Carrino; J. H. Siewerdsen
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CT performance as a variable function of resolution, noise, and task property for iterative reconstructions
Author(s): Baiyu Chen; Samuel Richard; Olav Christianson; Xiaodong Zhou; Ehsan Samei
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Detection performance study for cone-beam differential phase contrast CT
Author(s): Ke Li; Nicholas Bevins; Joseph Zambelli; Zhihua Qi; Guang-Hong Chen
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Correlation between model observer and human observer performance in CT imaging when lesion location is uncertain
Author(s): Shuai Leng; Lifeng Yu; Lingyun Chen; Juan C. Ramirez Giraldo; Cynthia H. McCollough
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Significance of including field non-uniformities such as the heel effect and beam scatter in the determination of the skin dose distribution during interventional fluoroscopic procedures
Author(s): Vijay Rana; Kamaljit Gill; Stephen Rudin; Daniel R. Bednarek
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MCNP simulation of absorbed energy and dose by iodinated contrast agent
Author(s): Wenjun He; Eugene Mah; Walter Huda; Hai Yao
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CTDIvol: a suitable normalization for CT dose conversion coefficients at different tube voltages?
Author(s): Helmut Schlattl; Maria Zankl; Christoph Hoeschen
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The relationship between organ dose and patient size in tube current modulated adult thoracic CT scans
Author(s): Maryam Khatonabadi; Di Zhang; Jeffrey Yang; John J. DeMarco; Chris C. Cagnon; Michael F. McNitt-Gray
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Patient- and cohort-specific dose and risk estimation for abdominopelvic CT: a study based on 100 patients
Author(s): Xiaoyu Tian; Xiang Li; W. Paul Segars; Donald P. Frush; Ehsan Samei
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Model-based reconstruction of objects with inexactly known components
Author(s): J. W. Stayman; Y. Otake; S. Schafer; A. J. Khanna; J. L. Prince; J. H. Siewerdsen
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Compensation of nonlinear distortions in photon-counting spectral CT: deadtime loss, spectral response, and beam hardening effects
Author(s): J. Cammin; S. Srivastava; Q. Tang; W. C. Barber; J. S. Iwanczyk; N. E. Hartsough; K. Taguchi
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A fully four-dimensional iterative motion estimation and compensation method for cardiac CT
Author(s): Qiulin Tang; Jochen Cammin; Somesh Srivastava; Katsuyuki Taguchi
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A new image reconstruction method to improve noise properties in x-ray differential phase contrast computed tomography
Author(s): Ke Li; Nicholas Bevins; Joseph Zambelli; Guang-Hong Chen
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Investigation of statistical iterative reconstruction for dedicated breast CT
Author(s): Andrey Makeev; Mini Das; Stephen J. Glick
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Accelerating ordered-subsets image reconstruction for x-ray CT using double surrogates
Author(s): Jang Hwan Cho; Jeffrey A. Fessler
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3D biopsy for tomosynthesis: simulation of prior information based reconstruction for dose and artifact reduction
Author(s): Yuan Lin; Sujata Ghate; Joseph Lo; Ehsan Samei
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Differential phase contrast tomosynthesis imaging
Author(s): Ke Li; Nicholas Bevins; Joseph Zambelli; Guang-Hong Chen
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Generalized filtered back-projection for digital breast tomosynthesis reconstruction
Author(s): Klaus Erhard; Michael Grass; Sebastian Hitziger; Armin Iske; Tim Nielsen
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Effect of postreconstruction filter strength on microcalcification detection at different imaging doses in digital breast tomosynthesis: human and model observer studies
Author(s): Mini Das; Caitlin Connolly; Stephen J. Glick; Howard C. Gifford
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Multiscale regularized reconstruction for enhancing microcalcification in digital breast tomosynthesis
Author(s): Yao Lu; Heang-Ping Chan; Jun Wei; Lubomir Hadjiiski; Chuan Zhou
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Exact and efficient computation of noise covariance for fan-beam FBP reconstructions that use rebinning to parallel-beam geometry
Author(s): Adam Wunderlich; Frédéric Noo
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Incorporation of noise and prior images in penalized-likelihood reconstruction of sparse data
Author(s): Yifu Ding; Jeffrey H. Siewerdsen; J. Webster Stayman
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A preliminary investigation of reduced-view image reconstruction from low dose breast CT data
Author(s): Junguo Bian; Xiao Han; Kai Yang; Emil Y. Sidky; John M. Boone; Xiaochuan Pan
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Reduced memory augmented Lagrangian algorithm for 3D iterative x-ray CT image reconstruction
Author(s): Madison G. McGaffin; Sathish Ramani; Jeffrey A. Fessler
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Automatic detection of rotational centers using GPU from projection data for micro-tomography in synchrotron radiation
Author(s): Yongsheng Pan; Francesco De Carlo; Xianghui Xiao
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Ring artifact removal for micro-tomography in synchrotron radiation
Author(s): Yongsheng Pan; Francesco De Carlo; Xianghui Xiao
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An efficient method to estimate noise in computed tomography images
Author(s): Axel Thran; Ewald Roessl; Roland Proksa
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Data normalization method for a multisource inverse geometry CT system
Author(s): Jongduk Baek; Norbert J. Pelc
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Noise reduction for helical computed tomography using coupled projections
Author(s): Yi Fan; Jianhua Ma; Yan Liu; Hongbing Lu; Zhengrong Liang
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The effect of source position accuracy on image quality in helical MDCT 3D image reconstruction
Author(s): Amar Dhanantwari; Qiu Wang; Nirmal Soni
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4D iterative reconstruction in cardiac CT
Author(s): H. Bruder; R. Raupach; T. Allmendinger; J. Sunnegårdh; K. Stierstorfer; T. Flohr
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Prior image constrained compressed sensing: a quantitative performance evaluation
Author(s): Pascal Thériault Lauzier; Jie Tang; Guang-Hong Chen
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Variance estimation of x-ray CT sinogram in radon domain
Author(s): Jianhua Ma; Zhengrong Liang; Yi Fan; Yan Liu; Jing Huang; Lihong Li; Wufan Chen; Hongbing Lu
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Investigation of temporal resolution required for CT coronary angiography
Author(s): Kazuya Ohashi; Katsuhiro Ichikawa; Tatsuya Kawai; Yuta Shibamoto
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Imaging performance in differential phase contrast CT compared with the conventional CT-noise equivalent quanta NEQ(k)
Author(s): Xiangyang Tang; Yi Yang; Shaojie Tang
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Quantification of ring artifact visibility in CT
Author(s): Mats Persson; Bettina Meyer; Hans Bornefalk; Mats Danielsson
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Image quality evaluation of iterative CT reconstruction algorithms: a perspective from spatial domain noise texture measures
Author(s): Jan H. Pachon; Girijesh Yadava; Debashish Pal; Jiang Hsieh
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Modeling scattered radiation from dose compensator in CT by forced detection Monte Carlo simulation
Author(s): Negar Bazargani; Richard A. Thompson; Yoad Yagil
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The CTDOR geometry: an optimized data treatment to demonstrate its potential
Author(s): Claudia C. Brunner; Oleg Tischenko; Hugo de las Heras; Bernhard Renger; Helmut Schlattl; Christoph Hoeschen
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Accelerated augmented Lagrangian method for few-view CT reconstruction
Author(s): Junfeng Wu; Xuanqin Mou
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Relevance of MTF and NPS in quantitative CT: towards developing a predictable model of quantitative performance
Author(s): Baiyu Chen; Samuel Richard; Ehsan Samei
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A new phantom for image quality, geometric destortion, and HU calibration in MSCT and CBCT
Author(s): Johannes M. Voigt; Christian Blendl; Markus Selbach; Clemens Uphoff; Martin Fiebich
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Onboard cone beam CT with flexible image trajectories to improve image quality and longitudinal coverage: simulation and phantom study
Author(s): Deshan Yang; Jun Tan; Hua Li; Sreekrishna M. Goddu; Harold Li
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Investigation of Moiré pattern-based phase retrieval approach for differential phase-contrast cone beam CT imaging using a hospital-grade tube
Author(s): Weixing Cai; Ruola Ning; Yang Yu; Jiangkun Liu; David Conover
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Investigation of source grating stepping for differential phase-contrast cone-beam CT (DPC-CBCT) system
Author(s): Weixing Cai; Yang Yu; Ruola Ning; Jiangkun Liu; David Conover
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Geometric calibration using bundle adjustment for cone-beam computed tomography devices
Author(s): Alexander Ladikos; Wolfgang Wein
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Assessment of the central artifact in cone beam CT imaging with an offset geometry
Author(s): Guozhi Zhang; Reinhilde Jacobs; Johan Nuyts; Hilde Bosmans
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Low kV rotational 3D x-ray imaging for improved CNR of iodine contrast agent
Author(s): Dirk Schäfer; Martin Ahrens; Peter Eshuis; Michael Grass
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Development of optimized segmentation map in dual energy computed tomography
Author(s): Keisuke Yamakawa; Hironori Ueki
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Absolute measurement of effective atomic number and electron density using dual-energy computed tomography images
Author(s): Dae-Hong Kim; Hee-Joung Kim; Chang-Lae Lee; Hyo-Min Cho; Hye-Suk Park; Seung-Wan Lee; Yu-Na Choi; Ye-Seul Kim; Su-Jin Park
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Feasibility study to demonstrate cardiac imaging using fast kVp switching dual-energy computed tomography: phantom study
Author(s): Priti Madhav; Yasuhiro Imai; Suresh Narayanan; Sandeep Dutta; Naveen Chandra; Jiang Hsieh
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Accurate material quantification in dual energy CT
Author(s): Gilad Shechter; Axel Thran; Tsvi Katchalski
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Iterative image reconstruction in spectral CT
Author(s): Daniel Hernandez; Eric Michel; Hye S. Kim; Jae G. Kim; Byung H. Han; Min H. Cho; Soo Y. Lee
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Equal-dose spectral optimization of spectral CT mono-energy photon counting
Author(s): J. Eric Tkaczyk; Vladimir Lobastov; Daniel D. Harrison; Pete Edic; Hewei Gao; Daniel Rubin
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A comparison of sampling strategies for dual energy micro-CT
Author(s): Xiaolian Guo; Samuel M. Johnston; G. Allan Johnson; Cristian T. Badea
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A spectral calibration technique for x-ray CT
Author(s): Samuel M. Johnston; Cristian T. Badea
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Task based weights for spectral computed tomography
Author(s): Moa Yveborg; Mats Danielsson; Hans Bornefalk
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Interior tomography with radial Hilbert filtering and a priori information in a small circular area
Author(s): Shaojie Tang; Yi Yang; Xiangyang Tang
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On the numerical implementation of discrete finite Hilbert transform for image reconstruction
Author(s): Yi Yang; Shaojie Tang; Xiangyang Tang
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Sampling conditions for gradient-magnitude sparsity based image reconstruction algorithms
Author(s): Emil Y. Sidky; Jakob H. Jørgensen; Xiaochuan Pan
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Non-uniform noise spatial distribution in CT myocardial perfusion and a potential solution: statistical image reconstruction
Author(s): Pascal Thériault Lauzier; Jie Tang; Guang-Hong Chen
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Acceleration of ML iterative algorithms for CT by the use of fast start images
Author(s): Kevin M. Brown; Stanislav Zabic; Thomas Koehler
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Edge-preserving metal artifact reduction
Author(s): Esther Meyer; Rainer Raupach; Michael Lell; Bernhard Schmidt; Marc Kachelriess
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Metal artifact reduction in x-ray computed tomography by using analytical DBP-type algorithm
Author(s): Zhen Wang; Hiroyuki Kudo
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Analytical fan-beam reconstruction algorithm for free-form trajectory with plus-minus weighting scheme
Author(s): Zhen Wang; Essam A. Rashed; Hiroyuki Kudo
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General analytical reconstruction formula for fan-beam computed tomography
Author(s): Zhen Wang; Hiroyuki Kudo
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Ellipse-line-ellipse source trajectory and its R-line coverage for long-object cone-beam imaging with a C-arm system
Author(s): Z. Yu; F. Noo; G. Lauritsch; F. Dennerlein; J. Hornegger
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Quantitative evaluation of ASiR image quality: an adaptive statistical iterative reconstruction technique
Author(s): Elke Van de Casteele; Paul Parizel; Jan Sijbers
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Statistical noise reduction with projection space multiscale decomposition and penalized weighted least square
Author(s): Shaojie Tang; Yi Yang; Xiangyang Tang
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Low-dose computed tomography image reconstruction from under-sampling data based on weighted total variation minimization
Author(s): Yan Liu; Jianhua Ma; Yi Fan; Zhengrong Liang
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Iterative CT reconstruction using shearlet-based regularization
Author(s): Bert Vandeghinste; Bart Goossens; Roel Van Holen; Christian Vanhove; Aleksandra Pizurica; Stefaan Vandenberghe; Steven Staelens
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Spatial-temporal total variation regularization (STTVR) for 4D-CT reconstruction
Author(s): Haibo Wu; Andreas Maier; Rebecca Fahrig; Joachim Hornegger
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Comparison between a new reconstruction algorithm (OPED) and filtered backprojection (FBP) for MDCT data
Author(s): Bernhard Renger; Peter B. Noël; Oleg Tischenko; Ernst J. Rummeny; Christoph Hoeschen
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System optics in both backprojection and forward projection for model-based iterative reconstruction
Author(s): Ilmar A. Hein; Alexander Zamyatin
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Experimental validation of an OSEM-type iterative reconstruction algorithm for inverse geometry computed tomography
Author(s): Sabrina David; Steve Burion; Alan Tepe; Brian Wilfley; Daniel Menig; Tobias Funk
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A volumetric reconstruction algorithm for stationary source inverse-geometry CT
Author(s): Scott S. Hsieh; Norbert J. Pelc
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A preliminary investigation of 3D preconditioned conjugate gradient reconstruction for cone-beam CT
Author(s): Lin Fu; Bruno De Man; Kai Zeng; Thomas M. Benson; Zhou Yu; Guangzhi Cao; Jean-Baptiste Thibault
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Fast-forward projection approach for 3D iterative metal artifact suppression
Author(s): Andre Souza
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GPU-based cone-beam reconstruction using wavelet denoising
Author(s): Kyungchan Jin; Jungbyung Park; Jongchul Park
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The 3D CT image reconstruction based on multi-thread scheduling using multi-GPU
Author(s): Yining Zhu; Yunsong Zhao; Xing Zhao
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Characterization of adaptive statistical iterative reconstruction (ASIR) in low contrast helical abdominal imaging via a transfer function based method
Author(s): Da Zhang; Xinhua Li; Bob Liu
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Anatomy-based PET image reconstruction using nonlocal regularization
Author(s): Van-Giang Nguyen; Soo-Jin Lee
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SPECT reconstruction with nonuniform attenuation from highly under-sampled projection data
Author(s): Cuifen Li; Junhai Wen; Kangping Zhang; Donghao Shi; Haixiang Dong; Wenxiao Li; Zhengrong Liang
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Analytical SPECT reconstruction algorithm for helical cone-beam geometry using ray-driven technology
Author(s): Kangping Zhang; Junhai Wen; Cuifen Li; Rui Yang; Haixiang Dong; Zhengrong Liang
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Calculations of a SPECT projection operator on a graphical processing unit
Author(s): Francesc Massanes; Jovan G. Brankov
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Linearization and reconstruction of nonlinear diffuse optical tomographic image
Author(s): S. K. Biswas; K. Rajan; R. M. Vasu
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An efficient reconstruction method for bioluminescence tomography based on two-step iterative shrinkage approach
Author(s): Wei Guo; Kebin Jia; Jie Tian; Dong Han; Xueyan Liu; Ping Wu; Jinchao Feng; Xin Yang
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Effect of iterative reconstruction integrating SART and FBP on photoacoustic imaging
Author(s): Xueyan Liu; Jie Tie; Dong Han; Wei Guo; Dong Peng; Xibo Ma; Chenghu Qin; Xin Yang
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Fast proximity algorithm for MAP ECT reconstruction
Author(s): Si Li; Andrzej Krol; Lixin Shen; Yuesheng Xu
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Information theoretic discrepancy based iterative reconstruction (IDIR) algorithm for dual energy x-ray systems
Author(s): Kwang Eun Jang; Jongha Lee; Kangui Lee; Younghun Sung; SeungDeok Lee
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Use of a graphics processing unit (GPU) to facilitate real-time 3D graphic presentation of the patient skin-dose distribution during fluoroscopic interventional procedures
Author(s): Vijay Rana; Stephen Rudin; Daniel R. Bednarek
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Dosimetric consideration for patients with dental filling materials undergoing irradiation of oral cavity using RapidArc: challenges and solution
Author(s): Noor Mail; Y. Albarakati; M. Ahmad Khan; F. Saeedi; N. Safadi; S. Al-Ghamdi; A. Saoudi
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Radiation dose reduction in computed tomography perfusion using spatial-temporal Bayesian methods
Author(s): Ruogu Fang; Ashish Raj; Tsuhan Chen; Pina C. Sanelli
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Diagnostic accuracy at several reduced radiation dose levels for CT imaging in the diagnosis of appendicitis
Author(s): Di Zhang; Maryam Khatonabadi; Hyun Kim; Matilda Jude; Edward Zaragoza; Margaret Lee; Maitraya Patel; Cheryce Poon; Michael Douek; Denise Andrews-Tang; Laura Doepke; Shawn McNitt-Gray; Chris Cagnon; John DeMarco; Michael McNitt-Gray
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An investigation of the iterative reconstruction method iDose4 on a Philips CT Brilliance 64 using a Catphan 600 phantom
Author(s): Marie-Louise Olsson; Kristina Norrgren
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Dose reduction potential with photon counting computed tomography
Author(s): Xiaolan Wang; Alexander Zamyatin; Daxin Shi
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Experimental evaluation of the pile-up trigger method in a revised quantum-counting CT detector
Author(s): E. Kraft; F. Glasser; S. Kappler; D. Niederloehner; P. Villard
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Investigation of ultra low-dose scans in the context of quantum-counting clinical CT
Author(s): T. Weidinger; T. M. Buzug; T. Flohr; G. S. K. Fung; S. Kappler; K. Stierstorfer; B. M. W. Tsui
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Graphics processing unit (GPU) implementation of image processing algorithms to improve system performance of the control acquisition, processing, and image display system (CAPIDS) of the micro-angiographic fluoroscope (MAF)
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Shape analysis of simulated breast anatomical structures
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Modeling realistic breast lesions using diffusion limited aggregation
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Local spectral adaptive multitaper method with bilateral filtering for spectrum analysis of mammographic images
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Design of a contrast-enhanced dual-energy tomosynthesis system for breast cancer imaging
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Motion artifacts in dual-energy contrast-enhanced mammography
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Measurement of breast density with digital breast tomosynthesis
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Clinical performance evaluation of the prototype digital breast tomosynthesis system
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A mathematical framework for including various sources of variability in a task-based assessment of digital breast tomosynthesis
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Roadmap for efficient parallelization of breast anatomy simulation
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Partial volume simulation in software breast phantoms
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Dual energy CT-based characterization of x-ray attenuation properties of breast equivalent material plates
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Contrast-to-noise ratio improvement in volume-of-interest cone beam breast CT
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Information theoretic discrepancy-based iterative reconstruction (IDIR) algorithm for limited angle tomography
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Wiener filter for filtered back projection in digital breast tomosynthesis
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Adaptive spatially dependent weighting scheme for tomosynthesis reconstruction
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A stationary digital breast tomosynthesis scanner
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A new x-ray scatter reduction method based on frequency division multiplexing x-ray imaging technique
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Image fusion algorithm for differential phase contrast imaging
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Dose reduction by moving a region of interest (ROI) beam attenuator to follow a moving object of interest
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Order of magnitude reduction of fluoroscopic x-ray dose
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Dose reduction technique using a combination of a region of interest (ROI) material x-ray attenuator and spatially different temporal filtering for fluoroscopic interventions
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Overcoming x-ray tube small focal spot output limitations for high resolution region of interest imaging
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Adaptive grid artifact reduction in the frequency domain with spatial properties for x-ray images
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Two dimensional extensible array configuration for EMCCD-based solid state x-ray detectors
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Optimization of grating designs for x-ray differential phase contrast imaging
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Monte Carlo simulation of photon energy and dose-image quality in x-ray imaging
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Optimization of exposure parameters for pediatric chest x-ray imaging
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X-ray imaging using digital cameras
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Spectrum optimization of a Talbot-Lau interferometer towards clinical application
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Feasibility study of the sub-pixel scanning method for single-exposure x-ray refraction imaging by Talbot-Lau interferometer using an a-Se direct conversion type FPD
Author(s): D. Murakoshi; T. Tada; H. Ishii; A. Hashimoto; Y. Kaneko; W. Ito; T. Agano
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DynAMITe: a prototype large area CMOS APS for breast cancer diagnosis using x-ray diffraction measurements
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Spectroscopic dark-field imaging using a grating-based Talbot-Lau interferometer
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X-ray phase contrast angiography using CO2 as contrast agent
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Exploration of exposure conditions with a novel wireless detector for bedside digital radiography
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Experimental study of the impact of small-angle scatterers on the x-ray dark field imaging contrast mechanism
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The effect of energy weighting on x-ray imaging based on photon counting detector: a Monte Carlo simulation
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Performance of a prototype 32x32 pixel indirect x-ray imager based on a lateral selenium passive pixel sensor
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Simulation of presampled MTF measurements in computed radiography for different scan directions
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Noise simulation system for determining imaging conditions in digital radiography
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Novel silicon x-ray detector with TFT readout
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Spatio-temporal Monte Carlo modeling of a-Se detectors for breast imaging: energy-weighted Swank noise and detective quantum efficiency
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Improved DQE by means of X-ray spectra and scintillator optimization for FFDM
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Characterization of gated selenium photo detector
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High performance amorphous selenium lateral photodetector
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Amorphous selenium photodetector on a flexible substrate for indirect conversion medical imaging
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A study of factors limiting spatial resolution using a 25 micron pixel pitch direct-detection amorphous selenium imaging system
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Optimization of hardware-based photon rejecter to separate electronic noise in the photon counting detector
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Cutting edge imaging of human cochlea by industrial high resolution computed micro tomography
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Development of a pinhole collimator SPECT-CT system using a CdTe detector sample
Author(s): Hyun-Ju Ryu; Young-Jin Lee; Seung-Wan Lee; Hyo-Min Cho; Yu-Na Choi; Hee-Joung Kim
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Optimization of high resolution collimator with CdTe detector: a simulation study
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Comparison between pixel array CdTe detector and NaI(Tl) detector for ultra-high resolution small animal SPECT imaging
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Microwave radiometric signatures of temperature anomalies in tissue
Author(s): Patrick Kelly; Tamara Sobers; Benjamin St. Peter; Paul Siqueira; Geoffrey Capraro
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Sound field directivity in multi-element synthetic transmit aperture method for ultrasound imaging
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X-ray in-line phase retrieval for tomography
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An interior-point method for total variation regularized positron emission tomography image reconstruction
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SNR analysis of 3D magnetic resonance tomosynthesis (MRT) imaging
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