Works matching DE "TOMOGRAPHY image quality"

Results: 64

MULTIMODALITY: PET/CT and PET/MR.

Published in:

Momento: Revista de Física, 2015, n. 50E, p. 34

By:

Laforest, Richard

Publication type:

Article

Congenital Extrahepatic Portosystemic Shunts: Spectrum of Findings on Ultrasound, Computed Tomography, and Magnetic Resonance Imaging.

Published in:

Radiology Research & Practice, 2015, p. 1, doi. 10.1155/2015/181958

By:

Gupta, Pankaj;
Sinha, Anindita;
Sodhi, Kushaljit Singh;
Lal, Anupam;
Debi, Uma;
Thapa, Babu R.;
Khandelwal, Niranjan

Publication type:

Article

Feasibility of radiation dose reduction with iterative reconstruction in abdominopelvic CT for patients with inappropriate arm positioning.

Published in:

PLoS ONE, 2018, v. 13, n. 12, p. 1, doi. 10.1371/journal.pone.0209754

By:

Seo, Nieun;
Chung, Yong Eun;
An, Chansik;
Choi, Jin-Young;
Park, Mi-Suk;
Kim, Myeong-Jin

Publication type:

Article

The effect of iterative reconstruction on image quality in evaluating patients with coronary calcifications or stents at coronary computed tomography angiography.

Published in:

2016

By:

Moustafa, Sherif;
Das, Karuna M.;
Al-Dossari, Khalid

Publication type:

Editorial

Assessment of arterially hyper-enhancing liver lesions using virtual monoenergetic images from spectral detector CT: phantom and patient experience.

Published in:

Abdominal Radiology, 2018, v. 43, n. 8, p. 2066, doi. 10.1007/s00261-017-1411-1

By:

Große Hokamp, N.;
Höink, A. J.;
Doerner, J.;
Jordan, D. W.;
Pahn, G.;
Persigehl, T.;
Maintz, D.;
Haneder, S.

Publication type:

Article

Low kV versus dual-energy virtual monoenergetic CT imaging for proven liver lesions: what are the advantages and trade-offs in conspicuity and image quality? A pilot study.

Published in:

Abdominal Radiology, 2018, v. 43, n. 6, p. 1404, doi. 10.1007/s00261-017-1327-9

By:

Hanson, G. Jay;
Michalak, Gregory J.;
Childs, Robert;
Mccollough, Brian;
Kurup, Anil N.;
Hough, David M.;
Frye, Judson M.;
Fidler, Jeff L.;
Venkatesh, Sudhakar K.;
Leng, Shuai;
Yu, Lifeng;
Halaweish, Ahmed F.;
Harmsen, W. Scott;
Mccollough, Cynthia H.;
Fletcher, J. G.

Publication type:

Article

Selection of optimal tube potential settings for dual-energy CT virtual mono-energetic imaging of iodine in the abdomen.

Published in:

Abdominal Radiology, 2017, v. 42, n. 9, p. 2289, doi. 10.1007/s00261-017-1122-7

By:

Michalak, Gregory;
Grimes, Joshua;
Fletcher, Joel;
Yu, Lifeng;
Leng, Shuai;
McCollough, Cynthia;
Halaweish, Ahmed

Publication type:

Article

Deep denoising for multi-dimensional synchrotron X-ray tomography without high-quality reference data.

Published in:

Scientific Reports, 2021, v. 11, n. 1, p. 1, doi. 10.1038/s41598-021-91084-8

By:

Hendriksen, Allard A.;
Bührer, Minna;
Leone, Laura;
Merlini, Marco;
Vigano, Nicola;
Pelt, Daniël M.;
Marone, Federica;
di Michiel, Marco;
Batenburg, K. Joost

Publication type:

Article

Corrigendum.

Published in:: 2016
Publication type:: Correction Notice

Comprehensive morphologic and functional imaging of heart transplant patients: first experience with dynamic perfusion CT.

Published in:

2018

By:

Oebel, S.;
Hamada, S.;
Higashigaito, K.;
von Spiczak, J.;
Klotz, E.;
Enseleit, F.;
Hinzpeter, R.;
Ruschitzka, F.;
Manka, R.;
Alkadhi, H.

Publication type:

journal article

Head CT: Image quality improvement with ASIR-V using a reduced radiation dose protocol for children.

Published in:

2017

By:

Kim, Hyun;
Lee, Ho-Joon;
Lee, Seung-Koo;
Kim, Myung-Joon;
Kim, Hyun Gi;
Kim, Hyun Ji

Publication type:

journal article

A retrospective, semi-quantitative image quality analysis of cone beam computed tomography (CBCT) and MSCT in the diagnosis of distal radius fractures.

Published in:

2016

By:

Lang, H.;
Neubauer, J.;
Fritz, B.;
Spira, E.;
Strube, J.;
Langer, M.;
Kotter, E.;
Spira, E M

Publication type:

journal article

Coronary CT angiography in obese patients using 3(rd) generation dual-source CT: effect of body mass index on image quality.

Published in:

2016

By:

Mangold, Stefanie;
Wichmann, Julian;
Schoepf, U.;
Litwin, Sheldon;
Canstein, Christian;
Varga-Szemes, Akos;
Muscogiuri, Giuseppe;
Fuller, Stephen;
Stubenrauch, Andrew;
Nikolaou, Konstantin;
Cecco, Carlo;
Wichmann, Julian L;
Schoepf, U Joseph;
Litwin, Sheldon E;
Fuller, Stephen R;
Stubenrauch, Andrew C;
De Cecco, Carlo N

Publication type:

journal article

Prior Image Constrained Compressed Sensing Metal Artifact Reduction (PICCS-MAR): 2D and 3D Image Quality Improvement with Hip Prostheses at CT Colonography.

Published in:

2016

By:

Bannas, Peter;
Li, Yinsheng;
Motosugi, Utaroh;
Li, Ke;
Lubner, Meghan;
Chen, Guang-Hong;
Pickhardt, Perry;
Pickhardt, Perry J

Publication type:

journal article

Baseline MDCT findings after prosthetic heart valve implantation provide important complementary information to echocardiography for follow-up purposes.

Published in:

2016

By:

Suchá, Dominika;
Chamuleau, Steven;
Symersky, Petr;
Meijs, Matthijs;
Brink, Renee;
Mol, Bas;
Mali, Willem;
Habets, Jesse;
Herwerden, Lex;
Budde, Ricardo;
Chamuleau, Steven A J;
Meijs, Matthijs F L;
van den Brink, Renee B A;
de Mol, Bas A J M;
Mali, Willem P Th M;
van Herwerden, Lex A;
Budde, Ricardo P J

Publication type:

journal article

Comparison of Image Quality and Radiation Dose between High-Pitch Mode and Low-Pitch Mode Spiral Chest CT in Small Uncooperative Children: The Effect of Respiratory Rate.

Published in:

2016

By:

Kim, Seong;
Choi, Young;
Cho, Hyun-Hae;
Lee, So;
Shin, Su-Mi;
Cheon, Jung-Eun;
Kim, Woo Sun;
Kim, In-One;
Kim, Seong Ho;
Choi, Young Hun;
Lee, So Mi

Publication type:

journal article

Areas of breast tissue covered in cone beam breast CT imaging.

Published in:

Experimental & Therapeutic Medicine, 2017, v. 13, n. 3, p. 913, doi. 10.3892/etm.2017.4092

By:

MIN XU;
XUE CHENG;
XINGYAO CHENG;
XILIN LAN;
SHUZHENG CHEN;
JIANSONG JI

Publication type:

Article

Suppression of metal artefacts in CT using virtual sinograms and corresponding MR images.

Published in:

Current Science (00113891), 2017, v. 112, n. 7, p. 1505, doi. 10.18520/cs/v112/i07/1505-1511

By:

Anderla, Andras;
Sladojevic, Srdjan;
Delso, Gaspar;
Culibrk, Dubravko;
Mirkovic, Milan;
Stefanovic, Darko

Publication type:

Article

Effect of metal artifact reduction software on image quality of C-arm cone-beam computed tomography during intracranial aneurysm treatment.

Published in:

Interventional Neuroradiology, 2018, v. 24, n. 3, p. 303, doi. 10.1177/1591019917754039

By:

Yukiko Enomoto;
Keita Yamauchi;
Takahiko Asano;
Katharina Otani;
Toru Iwama

Publication type:

Article

Automated segmentation of complex patterns in biological tissues: Lessons from stingray tessellated cartilage.

Published in:

PLoS ONE, 2017, v. 12, n. 12, p. 1, doi. 10.1371/journal.pone.0188018

By:

Knötel, David;
Seidel, Ronald;
Prohaska, Steffen;
Dean, Mason N.;
Baum, Daniel

Publication type:

Article

Intra-individual comparison between abdominal virtual mono-energetic spectral and conventional images using a novel spectral detector CT.

Published in:

PLoS ONE, 2017, v. 12, n. 8, p. 1, doi. 10.1371/journal.pone.0183759

By:

Doerner, Jonas;
Wybranski, Christian;
Byrtus, Jonathan;
Houbois, Christian;
Hauger, Myriam;
Heneweer, Carola;
Siedek, Florian;
Hickethier, Tilman;
Große Hokamp, Nils;
Maintz, David;
Haneder, Stefan

Publication type:

Article

High-speed, sparse-sampling three-dimensional photoacoustic computed tomography in vivo based on principal component analysis.

Published in:

Journal of Biomedical Optics, 2016, v. 21, n. 7, p. 076007-1, doi. 10.1117/1.JBO.21.7.076007

By:

Jing Meng;
Zibo Jiang;
Wang, Lihong V.;
Jongin Park;
Chulhong Kim;
Mingjian Sun;
Yuanke Zhang;
Liang Song

Publication type:

Article

EANM/EARL FDG-PET/CT accreditation - summary results from the first 200 accredited imaging systems.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2018, v. 45, n. 3, p. 412, doi. 10.1007/s00259-017-3853-7

By:

Kaalep, Andres;
Sera, Terez;
Oyen, Wim;
Krause, Bernd J.;
Chiti, Arturo;
Liu, Yan;
Boellaard, Ronald

Publication type:

Article

A randomized, double-blind, crossover comparison of novel continuous bed motion versus traditional bed position whole-body PET/CT imaging.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2016, v. 43, n. 4, p. 711, doi. 10.1007/s00259-015-3226-z

By:

Schatka, Imke;
Weiberg, Desiree;
Reichelt, Stephanie;
Owsianski-Hille, Nicole;
Derlin, Thorsten;
Berding, Georg;
Bengel, Frank

Publication type:

Article

Impact of iodine concentration and scan parameters on image quality, contrast enhancement and radiation dose in thoracic CT.

Published in:

European Radiology Experimental, 2020, v. 4, n. 1, p. N.PAG, doi. 10.1186/s41747-020-00184-z

By:

Solbak, Marian S.;
Henning, Mette K.;
England, Andrew;
Martinsen, Anne C.;
Aaløkken, Trond M.;
Johansen, Safora

Publication type:

Article

Triple-phase abdomen and pelvis computed tomography: standard unenhanced phase can be replaced with reduced-dose scan.

Published in:

Polish Journal of Radiology, 2018, v. 83, p. 166, doi. 10.5114/pjr.2018.75682

By:

Waszczuk, Łukasz;
Guziński, Maciej;
Garcarek, Jerzy;
Sąsiadek, Marek

Publication type:

Article

Multi Detector Computed Tomography Fistulography In Patients of Fistula-in-Ano: An Imaging Collage.

Published in:

Polish Journal of Radiology, 2017, v. 82, p. 516, doi. 10.12659/PJR.901523

By:

Bhatt, Shuchi;
Jain, Bhupendra Kumar;
Singh, Vikas Kumar

Publication type:

Article

Rest and stress transluminal attenuation gradient and contrast opacification difference for detection of hemodynamically significant stenoses in patients with suspected coronary artery disease.

Published in:

2016

By:

Ko, Brian;
Seneviratne, Sujith;
Cameron, James;
Gutman, Sarah;
Crossett, Marcus;
Munnur, Kiran;
Meredith, Ian;
Wong, Dennis;
Ko, Brian S;
Cameron, James D;
Meredith, Ian T;
Wong, Dennis T L

Publication type:

journal article

Determinants of image quality of rotational angiography for on-line assessment of frame geometry after transcatheter aortic valve implantation.

Published in:

2016

By:

Rodríguez-Olivares, Ramón;
El Faquir, Nahid;
Rahhab, Zouhair;
Maugenest, Anne-Marie;
Mieghem, Nicolas;
Schultz, Carl;
Lauritsch, Guenter;
Jaegere, Peter;
Rodríguez-Olivares, Ramón;
Van Mieghem, Nicolas M;
de Jaegere, Peter P T

Publication type:

journal article

Ultra-low-dose chest computed tomography without anesthesia in the assessment of pediatric pulmonary diseases.

Published in:

Jornal de Pediatria, 2020, v. 96, n. 1, p. 92, doi. 10.1016/j.jped.2018.07.010

By:

Manera Dorneles, Cristina;
Sartori Pacini, Gabriel;
Zanon, Matheus;
Altmayer, Stephan;
Watte, Guilherme;
Barros, Marcelo C.;
Marchiori, Edson;
Baldisserotto, Matteo;
Hochhegger, Bruno

Publication type:

Article

OPTIMIZING PET-CT IMAGE RECONSTRUCTION PARAMETERS FOR DIAGNOSTIC IMAGING USING NON-TOF ALGORITHMS.

Published in:

Biochemical & Cellular Archives, 2018, v. 18, n. 1, p. 245

By:

Jaber, Zainab Shamkhi;
Fallahi, Babak;
Geramifar, Parham;
Ebrahimi, Marzieh

Publication type:

Article

Correction for Partial Volume Effect Is a Must, Not a Luxury, to Fully Exploit the Potential of Quantitative PET Imaging in Clinical Oncology.

Published in:

2018

By:

Alavi, Abass;
Werner, Thomas J.;
Høilund-Carlsen, Poul Flemming;
Zaidi, Habib

Publication type:

journal article

Source reconstruction for bioluminescence tomography via L regularization.

Published in:

Journal of Innovative Optical Health Sciences, 2018, v. 11, n. 2, p. -1, doi. 10.1142/S1793545817500146

By:

Yu, Jingjing;
Li, Qiyue;
Wang, Haiyu

Publication type:

Article

Lamb-Wave-Based Tomographic Imaging Techniques for Hole-Edge Corrosion Monitoring in Plate Structures.

Published in:

Materials (1996-1944), 2016, v. 9, n. 11, p. 916, doi. 10.3390/ma9110916

By:

Dengjiang Wang;
Weifang Zhang;
Xiangyu Wang;
Bo Sun

Publication type:

Article

A rare cause of subcutaneous crepitationR1.

Published in:

2016

By:

Tankovic, Jacques;
Decré, Dominique;
Maury, Eric;
Zhao, Lin-Pierre;
Decré, Dominique

Publication type:

Case Study

Image quality and radiation dose of dual-source CT cardiac angiography using prospective ECG-triggering technique in pediatric patients with congenital heart disease.

Published in:

2016

By:

Ying Liu;
Jian Li;
Hongliang Zhao;
Yan Jia;
Jing Ren;
Jian Xu;
Yuewen Hao;
Minwen Zheng;
Liu, Ying;
Li, Jian;
Zhao, Hongliang;
Jia, Yan;
Ren, Jing;
Xu, Jian;
Hao, Yuewen;
Zheng, Minwen

Publication type:

journal article

CT Pulmonary Angiography at Reduced Radiation Exposure and Contrast Material Volume Using Iterative Model Reconstruction and iDose<sup>4</sup> Technique in Comparison to FBP.

Published in:

PLoS ONE, 2016, v. 11, n. 9, p. 1, doi. 10.1371/journal.pone.0162429

By:

Laqmani, Azien;
Kurfürst, Maximillian;
Butscheidt, Sebastian;
Sehner, Susanne;
Schmidt-Holtz, Jakob;
Behzadi, Cyrus;
Nagel, Hans Dieter;
Adam, Gerhard;
Regier, Marc

Publication type:

Article

Intrasession and Between-Visit Variability of Sector Peripapillary Angioflow Vessel Density Values Measured with the Angiovue Optical Coherence Tomograph in Different Retinal Layers in Ocular Hypertension and Glaucoma.

Published in:

PLoS ONE, 2016, v. 11, n. 8, p. 1, doi. 10.1371/journal.pone.0161631

By:

Holló, Gábor

Publication type:

Article

Coronary Stent Artifact Reduction with an Edge-Enhancing Reconstruction Kernel – A Prospective Cross-Sectional Study with 256-Slice CT.

Published in:

PLoS ONE, 2016, v. 11, n. 4, p. 1, doi. 10.1371/journal.pone.0154292

By:

Tan, Stéphanie;
Soulez, Gilles;
Diez Martinez, Patricia;
Larrivée, Sandra;
Stevens, Louis-Mathieu;
Goussard, Yves;
Mansour, Samer;
Chartrand-Lefebvre, Carl

Publication type:

Article

Significance of Daily Quality Assurance Scan in Hardware Artifact Evaluation.

Published in:

Indian Journal of Nuclear Medicine, 2018, v. 33, n. 4, p. 351, doi. 10.4103/ijnm.IJNM_70_18

By:

Tayal, Sachin;
Gandhi, Arun Chandanmal;
Ali, Abbas

Publication type:

Article

Investigating the Role of Global Histogram Equalization Technique for <sup>99m</sup>Technetium-Methylene diphosphonate Bone Scan Image Enhancement.

Published in:

Indian Journal of Nuclear Medicine, 2017, v. 32, n. 4, p. 283, doi. 10.4103/ijnm.IJNM_61_17

By:

Pandey, Anil Kumar;
Sharma, Param Dev;
Dheer, Pankaj;
Parida, Girish Kumar;
Goyal, Harish;
Patel, Chetan;
Bal, Chandrashekhar;
Kumar, Rakesh

Publication type:

Article

Practical quantification of image registration accuracy following the AAPM TG‐132 report framework.

Published in:

Journal of Applied Clinical Medical Physics, 2018, v. 19, n. 4, p. 125, doi. 10.1002/acm2.12348

By:

Latifi, Kujtim;
Caudell, Jimmy;
Zhang, Geoffrey;
Hunt, Dylan;
Moros, Eduardo G.;
Feygelman, Vladimir

Publication type:

Article

Evaluation of projection‐ and dual‐energy‐based methods for metal artifact reduction in CT using a phantom study.

Published in:

Journal of Applied Clinical Medical Physics, 2018, v. 19, n. 4, p. 252, doi. 10.1002/acm2.12347

By:

Long, Zaiyang;
Bruesewitz, Michael R.;
DeLone, David R.;
Morris, Jonathan M.;
Amrami, Kimberly K.;
Adkins, Mark C.;
Glazebrook, Katrina N.;
Kofler, James M.;
Leng, Shuai;
McCollough, Cynthia H.;
Fletcher, Joel G.;
Yu, Lifeng;
Halaweish, Ahmed F.

Publication type:

Article

Relationship between size‐specific dose estimates and image quality in computed tomography depending on patient size.

Published in:

Journal of Applied Clinical Medical Physics, 2018, v. 19, n. 4, p. 246, doi. 10.1002/acm2.12340

By:

Kawashima, Hiroki;
Ichikawa, Katsuhiro;
Matsubara, Kosuke;
Hanaoka, Shinsuke;
Takata, Tadanori

Publication type:

Article

Subjective and objective image differences in pediatric computed tomography cardiac angiography using lower iodine concentration.

Published in:

Pediatric Radiology, 2017, v. 47, n. 6, p. 701, doi. 10.1007/s00247-017-3795-z

By:

Hwang, Jae-Yeon;
Choo, Ki;
Choi, Yoon;
Kim, Jin;
Ryu, Hwaseong;
Han, Junhee;
Kim, Yong-Woo;
Jeon, Ung;
Nam, Kyung

Publication type:

Article

Image quality and radiation dose of brain computed tomography in children: effects of decreasing tube voltage from 120 kVp to 80 kVp.

Published in:

Pediatric Radiology, 2017, v. 47, n. 6, p. 710, doi. 10.1007/s00247-017-3799-8

By:

Park, Ji;
Choi, Young;
Cheon, Jung-Eun;
Kim, Woo;
Kim, In-One;
Cho, Hyun;
Ryu, Young;
Kim, Yu

Publication type:

Article

Effect of Spectral Domain Optical Coherence Tomography Image Quality on Macular Thickness Measurements and Error Rate.

Published in:

Current Eye Research, 2017, v. 42, n. 2, p. 282, doi. 10.1080/02713683.2016.1179332

By:

Falavarjani, Khalil Ghasemi;
Mehrpuya, Amirabbas;
Amirkourjani, Foad

Publication type:

Article

The applied research of MRI with ASSET-EPI-FLAIR combined with 3D TOF MRA sequences in the assessment of patients with acute cerebral infarction.

Published in:

2016

By:

Lin, Zhichao;
Guo, Zexiong;
Qiu, Lin;
Yang, Wanyoug;
Lin, Mingxia

Publication type:

journal article

A novel computer algorithm for modeling and treating mandibular fractures: A pilot study.

Published in:

2017

By:

Rizzi, Christopher J.;
Ortlip, Timothy;
Greywoode, Jewel D.;
Vakharia, Kavita T.;
Vakharia, Kalpesh T.

Publication type:

journal article

Efficacy of model-based iterative reconstruction technique in non-enhanced CT of the renal tracts for ureteric calculi.

Published in:

2017

By:

Tan, T.;
Lau, Kenneth;
Jackson, Dana;
Ardley, Nicholas;
Borasu, Adina;
Tan, T J;
Lau, Kenneth K

Publication type:

journal article