Works matching DE "COLLIMATORS"

Results: 960

The impact of plan complexity on dose delivery deviations resulting from multileaf collimator positioning errors in volumetric modulated arc therapy.

Published in:

British Journal of Radiology, 2025, v. 98, n. 1169, p. 785, doi. 10.1093/bjr/tqaf053

By:

Peng, Qinghe;
Fan, Peng;
Wang, Xunyu;
Tao, Fali;
Niu, Ruijun;
Chen, Li

Publication type:

Article

Assessing the cause and effects of objective function variation approach on volumetric modulated arc radiosurgery of solitary brain metastasis for efficient dosimetry.

Published in:

Journal of Cancer Research & Therapeutics, 2025, v. 21, n. 3, p. 693, doi. 10.4103/jcrt.jcrt_2205_24

By:

Ahamed, Shabbir;
Padma Suvarna, R.;
Singh, Navin

Publication type:

Article

Design and Optimization of Collimator for Preclinical Single-photon Emission Computed Tomography Scanner: A Monte Carlo Study.

Published in:

Journal of Medical Physics, 2025, v. 50, n. 2, p. 378, doi. 10.4103/jmp.jmp_220_24

By:

Mirdoraghi, Mohammad;
Fard, Behnoosh Teimourian;
Kochebina, Olga;
Mahani, Hojjat;
Ay, Mohammad Reza

Publication type:

Article

Compact and Handheld SiPM-Based Gamma Camera for Radio-Guided Surgery and Medical Imaging.

Published in:

Instruments (2410-390X), 2025, v. 12, n. 6, p. 14, doi. 10.3390/instruments9020014

By:

Acerbi, Fabio;
Raiola, Aramis;
Alispach, Cyril;
Arabi, Hossein;
Zaidi, Habib;
Gola, Alberto;
Della Volpe, Domenico

Publication type:

Article

MgO-Based Fabry-Perot Vibration Sensor with a Fiber-Optic Collimator for High-Temperature Environments.

Published in:

Photonics, 2025, v. 12, n. 6, p. 524, doi. 10.3390/photonics12060524

By:

Tu, Jiacheng;
Zhao, Qirui;
Hu, Jiantao;
Huang, Yuhao;
Wang, Haiyang;
Liu, Jia;
Jia, Pinggang

Publication type:

Article

Double-Focusing Thermal Triple-Axis Spectrometer at the NCNR.

Published in:

Journal of Research of the National Institute of Standards & Technology, 2012, v. 117, n. 1, p. 61

By:

Lynn, J. W.;
Chen, Y.;
Chang, S.;
Zhao, Y.;
Chi, S.;
Ratcliff II, W.;
Ueland, B. G.;
Erwin, R. W.

Publication type:

Article

STEM Developments: A Versatile Light Injector/Collector, Fast 4D-STEM, and High Energy Resolution EELS without Compromising Beam Current.

Published in:

Microscopy & Microanalysis, 2024, v. 30, p. 1, doi. 10.1093/mam/ozae044.1083

By:

Martis, J;
Plotkin-Swing, B;
Haas, B;
Susi, T;
Hotz, M T;
Krivanek, O L;
Dellby, N;
Mittelberger, A;
Quillin, S C;
Lovejoy, T C

Publication type:

Article

Efficacy of a dynamic collimator for overranging dose reduction in a second- and third-generation dual source CT scanner.

Published in:

2017

By:

Booij, Ronald;
Dijkshoorn, Marcel;
Straten, Marcel;
Dijkshoorn, Marcel L;
van Straten, Marcel

Publication type:

journal article

Simulation Model for Studying Object Structure Using Method of Layer-by-Layer Digital Compton Radiography.

Published in:

Russian Journal of Nondestructive Testing, 2021, v. 57, n. 10, p. 897, doi. 10.1134/S1061830921100065

By:

Osipov, S. P.;
Usachev, E. Yu.;
Chakhlov, S. V.;
Osipov, O. S.

Publication type:

Article

Analysis of the Aperture Function of the Scattering Volume of the Collimation System of the Scattering Computed Tomography of Steel Products with a Ring Detector.

Published in:

Russian Journal of Nondestructive Testing, 2020, v. 56, n. 6, p. 506, doi. 10.1134/S106183092006008X

By:

Zhuravskiy, E. E.;
Belkin, D. S.;
Kapranov, B. I.;
Chakhlov, S. V.

Publication type:

Article

Estimated efficiency of slit collimation of a high-energy radiation source for radiometric testing of large objects.

Published in:

Russian Journal of Nondestructive Testing, 2006, v. 42, n. 2, p. 101, doi. 10.1134/S1061830906020057

By:

Sidulenko, O.;
Kas’yanov, V.;
Kas’yanov, S.;
Osipov, S.

Publication type:

Article

GET 138-2021 State Primary Refractive Index Standard.

Published in:

Measurement Techniques, 2022, v. 65, n. 5, p. 307, doi. 10.1007/s11018-022-02090-9

By:

Vishnyakov, G. N.;
Minaev, V. L.;
Bochkareva, S. S.

Publication type:

Article

Generalized Extended Sequences for Integrated-Code Measurement Systems.

Published in:

Measurement Techniques, 2017, v. 60, n. 8, p. 755, doi. 10.1007/s11018-017-1267-3

By:

Fedorov, G.;
Tereshchenko, S.

Publication type:

Article

A New Class of Pseudo-Random Binary Configurations for Coding Collimators of Ionizing Radiation.

Published in:

Measurement Techniques, 2015, v. 58, n. 2, p. 208, doi. 10.1007/s11018-015-0687-1

By:

Fedorov, G.;
Tereshchenko, S.;
Antakov, M.

Publication type:

Article

Collimator System for a Gravitational Gamma Spectrometer.

Published in:

Measurement Techniques, 2014, v. 57, n. 3, p. 219, doi. 10.1007/s11018-014-0434-z

By:

Davydov, A.;
Kalantarov, V.;
Korotkov, M.;
Novozhilov, Yu.

Publication type:

Article

Point spread functions of integral-code measurement systems with multiple-pinhole hexagonal coding collimators.

Published in:

Measurement Techniques, 2012, v. 55, n. 5, p. 574, doi. 10.1007/s11018-012-0004-1

By:

Fedorov, G.;
Tereshchenko, S.;
Antakov, M.;
Burnaevskii, I.

Publication type:

Article

Measurement of the vibrations of the wires of electric transmission lines by a heterodyne method.

Published in:

Measurement Techniques, 2011, v. 54, n. 7, p. 790, doi. 10.1007/s11018-011-9805-x

By:

Titov, A.

Publication type:

Article

Determination of the optimal form and dimension of the marker of a digital autocollimator.

Published in:

Measurement Techniques, 2011, v. 54, n. 5, p. 505, doi. 10.1007/s11018-011-9757-1

By:

Kharitonova, E.

Publication type:

Article

Optimization of integral-code measuring systems for planar tomography constructed using extended pseudorandom sequences.

Published in:

Measurement Techniques, 2010, v. 53, n. 3, p. 313, doi. 10.1007/s11018-010-9502-1

By:

Fedorov, G.;
Tereshchenko, S.;
Antakov, M.

Publication type:

Article

Extended pseudorandom sequences and two-dimensional coding collimators based on them.

Published in:

Measurement Techniques, 2007, v. 50, n. 6, p. 681, doi. 10.1007/s11018-007-0131-2

By:

G. Fedorov;
S. Tereshchenko

Publication type:

Article

Shutter for Neutron Beam Research at Triga Mark II using for the Prompt Gamma Neutron Activation Facility: Modeling and Simulation.

Published in:

Annals of the University of Craiova, Physics, 2021, v. 31, p. 1

By:

DIDI, ABDESSAMAD;
AMSIL, HAMID;
BOUNOUIRA, HAMID;
LARAKI, KHALID;
AARAB, ILYAS;
MARAH, HAMID;
DEKHISSI, HASSANE

Publication type:

Article

Photon beam quality study with thickness of air gap under Linac head based on maximum fluence rate investigation at the beam edge.

Published in:

Annals of the University of Craiova, Physics, 2018, v. 28, p. 31

By:

BENCHEIKH, Mohamed;
MAGHNOUJ, Abdelmajid;
TAJMOUATI, Jaouad;
LAMRABET, Abdesslam;
DIDI, Abdessamad

Publication type:

Article

Multichannel Neutron Collimator for TRT.

Published in:

Plasma Physics Reports, 2022, v. 48, n. 12, p. 1345, doi. 10.1134/S1063780X22601304

By:

Nemtsev, G. E.;
Rodionov, R. N.;
Khafizov, R. R.;
Kashchuk, Yu. A.;
Kormilitsyn, T. M.;
Krasilnikov, A. V.

Publication type:

Article

Convolutional Neural Network-Based Parkinson Disease Classification Using SPECT Imaging Data.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 15, p. 2566, doi. 10.3390/math10152566

By:

Hathaliya, Jigna;
Parekh, Raj;
Patel, Nisarg;
Gupta, Rajesh;
Tanwar, Sudeep;
Alqahtani, Fayez;
Elghatwary, Magdy;
Ivanov, Ovidiu;
Raboaca, Maria Simona;
Neagu, Bogdan-Constantin

Publication type:

Article

CZT Detectors-Based SPECT Imaging: How Detector and Collimator Arrangement Can Determine the Overall Performance of the Tomograph.

Published in:

Electronics (2079-9292), 2021, v. 10, n. 18, p. 2230, doi. 10.3390/electronics10182230

By:

Santarelli, Maria Filomena;
Mori, Anna;
Bertasi, Michelangelo;
Positano, Vincenzo;
Gimelli, Alessia;
Scipioni, Michele;
Marzullo, Paolo;
Landini, Luigi

Publication type:

Article

A DIY telescope trolley.

Published in:

Journal of the British Astronomical Association, 2024, v. 134, n. 1, p. 21

By:

Davies, Mike

Publication type:

Article

Partial volume effect in SPECT & PET imaging and impact on radionuclide dosimetry estimates.

Published in:

Asia Oceania Journal of Nuclear Medicine & Biology, 2023, v. 11, n. 1, p. 44, doi. 10.22038/AOJNMB.2022.63827.1448

By:

Marquis, H.;
Willowson, K. P.;
Bailey, D. L.

Publication type:

Article

Quantification of bone metabolic activity in the natural course of fractural lesions measured by quantitative SPECT/CT.

Published in:

Asia Oceania Journal of Nuclear Medicine & Biology, 2023, v. 11, n. 1, p. 30, doi. 10.22038/AOJNMB.2022.63484.1446

By:

Tomohiko Yamane;
Yohji Matsusaka;
Kenji Fukushima;
Akira Seto;
Ichiro Matsunari;
Ichiei Kuji

Publication type:

Article

Combination of compressed sensing-based iterative reconstruction and offset acquisition for I-123 FP-CIT SPECT: a simulation study.

Published in:

Asia Oceania Journal of Nuclear Medicine & Biology, 2022, v. 10, n. 2, p. 117, doi. 10.22038/AOJNMB.2021.59585.1417

By:

Norikazu Matsutomo;
Takeyuki Hashimoto;
Mitsuha Fukami;
Tomoaki Yamamoto

Publication type:

Article

Estimation of the lower limits for feasible Ra-223 SPECT imaging: a Monte Carlo simulation study.

Published in:

Asia Oceania Journal of Nuclear Medicine & Biology, 2021, v. 9, n. 2, p. 131, doi. 10.22038/AOJNMB.2021.54386.1372

By:

Takahashi, Akihiko;
Ueno, Hibiki;
Baba, Shingo;
Sasaki, Masayuki

Publication type:

Article

Current state of bone scintigraphy protocols and practice in Japan.

Published in:

Asia Oceania Journal of Nuclear Medicine & Biology, 2020, v. 8, n. 2, p. 116, doi. 10.22038/AOJNMB.2020.44923.1302

By:

Hajime Ichikawa;
Kenta Miwa;
Koichi Okuda;
Takayuki Shibutani;
Toyohiro Kato;
Akio Nagaki;
Hiroyuki Tsushima;
Masahisa Onoguchi

Publication type:

Article

Evaluation of the Reconstruction Parameters of Brain Dopamine Transporter SPECT Images Obtained by a Fan Beam Collimator: A Comparison with Parallel-hole Collimators.

Published in:

Asia Oceania Journal of Nuclear Medicine & Biology, 2018, v. 6, n. 2, p. 120, doi. 10.22038/aojnmb.2018.10330

By:

Keishin Morita;
Akira Maebatake;
Rina Iwasaki;
Yuki Shiotsuki;
Kazuhiko Himuro;
Shingo Baba;
Masayuki Sasaki

Publication type:

Article

Performance of Myocardial Perfusion Imaging Using Multi-focus Fan Beam Collimator with Resolution Recovery Reconstruction in a Comparison with Conventional SPECT.

Published in:

Asia Oceania Journal of Nuclear Medicine & Biology, 2014, v. 2, n. 2, p. 111

By:

Norikazu Matsutomo;
Akio Nagaki;
Masayuki Sasaki

Publication type:

Article

Collimated proton beam generation from ultraintense laser-irradiated hole target.

Published in:

Laser & Particle Beams, 2010, v. 28, n. 2, p. 319, doi. 10.1017/S0263034610000248

By:

YANG, X. H.;
MA, Y. Y.;
SHAO, F. Q.;
XU, H.;
YU, M. Y.;
GU, Y. Q.;
YU, T. P.;
YIN, Y.;
TIAN, C. L.;
KAWATA, S.

Publication type:

Article

Diagnosis of isolated fibular fracture on SPECT-CT.

Published in:

2014

By:

Ul-Hassan, Fahim-;
Ilyas, Hajira;
Gnanasegaran, Gopinath

Publication type:

Case Study

Design of Optical Collimator System for Vehicle Speed Gun using Non-Imaging Optics.

Published in:

International Journal of Renewable Energy Development, 2023, v. 12, n. 2, p. 366, doi. 10.14710/ijred.2023.49910

By:

Nhut, Le Minh;
Pham, Thanh-Tuan;
Tran, Tien-Dung;
Huan, Vu Dinh;
Shin, Seoyong

Publication type:

Article

REMOVAL OF SIDE ILLUMINATION IN THE IMAGE PLANE IN TWO-MIRROR PANCRATYC SYSTEM FOR COLLIMATOR.

Published in:

Journal Scientific & Applied Research, 2021, n. 20, p. 5

By:

Zhekov, Zhivko

Publication type:

Article

FACTOR ANALYSIS IN THE PROCESS OF DESIGNING COMPLEX OPTICAL SYSTEMS.

Published in:

Journal Scientific & Applied Research, 2020, v. 18, p. 17, doi. 10.46687/jsar.v18i1.275

By:

Stoyanov, Stiliyan;
Mardirossian, Garo

Publication type:

Article

SPECIAL CASE OF CALCULATION OF OPTICAL SYSTEM FOR A COLLIMATOR WITH AN ANFOCAL ACHROMATIC COLLIMATOR.

Published in:

Journal Scientific & Applied Research, 2020, v. 18, p. 12, doi. 10.46687/jsar.v18i1.274

By:

Zhekov, Zhivko;
Kalev, Krasimir

Publication type:

Article

IMPLEMENTATION OF FACTOR ANALYSIS IN THE OPTICAL MANIFACTURING.

Published in:

Journal Scientific & Applied Research, 2015, v. 8, p. 16

By:

Stoyanov, Stiliyan;
Zhekov, Zhikvo

Publication type:

Article

Dosimetric Performance and Planning/Delivery Efficiency of a Dual-Layer Stacked and Staggered MLC on Treating Multiple Small Targets: A Planning Study Based on Single-Isocenter Multi-Target Stereotactic Radiosurgery (SRS) to Brain Metastases.

Published in:

Frontiers in Oncology, 2019, p. N.PAG, doi. 10.3389/fonc.2019.00007

By:

Li, Taoran;
Irmen, Peyton;
Liu, Haisong;
Shi, Wenyin;
Alonso-Basanta, Michelle;
Zou, Wei;
Teo, Boon-Keng Kevin;
Metz, James M.;
Dong, Lei

Publication type:

Article

A Simple Design Approach of a Fresnel Lens for Creating Uniform Light-Emitting Diode Light Distribution Patterns.

Published in:

Fiber & Integrated Optics, 2014, v. 33, n. 5/6, p. 360, doi. 10.1080/01468030.2014.979959

By:

Chen, Liang-Tang;
Keiser, Gerd;
Huang, Yen-Ru;
Lee, San-Liang

Publication type:

Article

Mobile Airborne Lidar for Remote Methane Monitoring: Design, Simulation of Atmospheric Measurements and First Flight Tests.

Published in:

Remote Sensing, 2022, v. 14, n. 24, p. 6355, doi. 10.3390/rs14246355

By:

Yakovlev, Semyon V.;
Sadovnikov, Sergey A.;
Romanovskii, Oleg A.

Publication type:

Article

Application of single photon emission computed tomography (SPECT) parameters for bone scintigraphy

Published in:

Journal of King Saud University - Science, 2009, v. 21, n. 2, p. 109, doi. 10.1016/j.jksus.2009.07.004

By:

ALehyani, S.H.A.

Publication type:

Article

Evaluation of quantitative accuracy among different scatter corrections for quantitative bone SPECT/CT imaging.

Published in:

PLoS ONE, 2022, v. 17, n. 6, p. 1, doi. 10.1371/journal.pone.0269542

By:

Miwa, Kenta;
Nemoto, Reo;
Masuko, Hirotsugu;
Yamao, Tensho;
Kobayashi, Rinya;
Miyaji, Noriaki;
Inoue, Kosuke;
Onodera, Hiroya

Publication type:

Article

A Monte Carlo study on quantification of scattering and edge penetration in a breastdedicated SPECT scanner with lofthole collimation.

Published in:

Iranian Journal of Nuclear Medicine, 2023, v. 31, n. 2, p. 119, doi. 10.22034/IRJNM.2023.129010.1533

By:

Saed, Maryam;
Sadremomtaz, Alireza;
Mahani, Hojjat

Publication type:

Article

Derivation and validation of a sensitivity formula for knife-edge slit gamma camera: A theoretical and Monte Carlo simulation study.

Published in:

Iranian Journal of Nuclear Medicine, 2021, v. 29, n. 2, p. 86

By:

Malekzadeh, Etesam;
Rajabi, Hossein;
Fiorina, Elisa;
Kalantari, Faraz

Publication type:

Article

Monte Carlo-based optimization of a gamma probe system for sentinel lymph node mapping.

Published in:

Iranian Journal of Nuclear Medicine, 2019, v. 27, n. 1, p. 8

By:

Nikoogoftar, Azadeh;
Shamsaie, Mojtaba;
Zeraatkar, Navid;
Ay, Mohammad Reza

Publication type:

Article

Characterization of low, medium and high energy collimators for common isotopes in nuclear medicine: A Monte Carlo study.

Published in:

Iranian Journal of Nuclear Medicine, 2017, v. 25, n. 2, p. 100

By:

Razavi, Seyed Hossein;
Kalantari, Faraz;
Bagheri, Mahmoud;
Namiranian, Nasim;
Nafisi-Moghadam, Reza;
Mardanshahi, Alireza;
Emami-Ardekani, Alireza;
Ardekani, Mohammad Sobhan;
Razavi-Ratki, Seid Kazem

Publication type:

Article

Collimator-detector response compensation in molecular SPECT reconstruction using STIR framework.

Published in:

Iranian Journal of Nuclear Medicine, 2017, v. 25, p. 26

By:

Mahani, Hojjat;
Raisali, Gholamreza;
Kamali-Asl, Alireza;
Ay, Mohammad Reza

Publication type:

Article