- Ultrafast Magnetic Resonance Imaging: Echo Planar Imaging and Spiral Scan Imaging
-
Ahn CB
- KMID: 2099790
- J Korean Soc Magn Reson Med.
- 1999 Mar;3(1):6-12.
No abstract available. -
- CITED
-
- Close
- SHARE
-
- Close
- Improvement of Gibb
-
Ahn CB, Kim CY, Ryu WS, Oh CH, Yi Y, Shin JK
- KMID: 1540733
- J Korean Soc Magn Reson Med.
- 1997 Dec;1(1):79-85.
Fast spin echo imaging utilizes multiple spin echoes to encode multiple k-space lines instead of multiple T2-weighed images. As results, intensities in k-space data are varying according to T2 decay,... -
- CITED
-
- Close
- SHARE
-
- Close
- Dual Birdcage RF Coil for Leg MR Angiography
-
Yang YJ, Kim SK, Lee DR, Choi HJ, Bae SH, Kim HC, Ahn CB, Oh CH
- KMID: 1540732
- J Korean Soc Magn Reson Med.
- 1997 Dec;1(1):75-78.
A dual birdcage RF coil is proposed for MRI and MRA of the human leg. The coil can be used to cover the whole human leg by imaging upper and... -
- CITED
-
- Close
- SHARE
-
- Close
- Development of Computerized Neuropsychological Tests for Functional localization of Brain
-
Lee SH, Ahn CB, Park HJ
- KMID: 2317332
- Sleep Med Psychophysiol.
- 1999 Dec;6(2):149-157.
A Computerzed Neuropsychological Test (CNT) system using multimedia and object oriented technologies are developed for clinical application in psychiatry. The developed system is composed of 14 neuropsychologial tests which are... -
- CITED
-
- Close
- SHARE
-
- Close
- 3D Printing Technology and Its Applications for Tissue/Organ Regeneration
-
Ahn CB, Son KH, Lee JW
- KMID: 2202603
- J Korean Soc Transplant.
- 2015 Dec;29(4):187-193.
- doi: 10.4285/jkstn.2015.29.4.187
Three-dimensional (3D) printing, also known as additive manufacturing (AM), has been used frequently in regenerative or translational medicine. In addition, recent advances in 3D printing technologies have opened the door... -
- CITED
-
- Close
- SHARE
-
- Close
- Water-Fat Imaging with Automatic Field Inhomogeneity Correction Using Joint Phase Magnitude Density Function at Low Field MRI
-
Kim PK, Ahn CB
- KMID: 2041228
- J Korean Soc Magn Reson Med.
- 2011 Apr;15(1):57-66.
- doi: 10.13104/jksmrm.2011.15.1.57
PURPOSE: A new inhomogeneity correction method based on two-point Dixon sequence is proposed to obtain water and fat images at 0.35T, low field magnetic resonance imaging (MRI) system. MATERIALS AND METHODS:... -
- CITED
-
- Close
- SHARE
-
- Close
- KAIS Resistive NMR-CT and Its Clinical Application
-
Kim SY, Eun TK, Lee JH, Cho ZH, Oh CH, Ahn CB, Park HW
- KMID: 2462910
- J Korean Radiol Soc.
- 1985 Feb;21(1):1-16.
- doi: 10.3348/jkrs.1985.21.1.1
This paper contains the results of cl inical studies with 0.1 and 0.15 Tesla KAIS NMR Tomograph which was developed by Korea Advanced 1 nstitute of 5cience. A variety of... -
- CITED
-
- Close
- SHARE
-
- Close
- Removal of Edge Artifact due to Partial Volume Effect in the Adaptive Template Filtering
-
Ahn CB, Song YC
- KMID: 1560562
- J Korean Soc Magn Reson Med.
- 2000 Dec;4(2):120-127.
Adaptive template filtering has been proposed recently for enhancement of signal-to-noise ratio without loss of resolution. In the adaptive template filtering, an optimal template among multiple templates is selected, then... -
- CITED
-
- Close
- SHARE
-
- Close
- Fast Cardiac CINE MRI by Iterative Truncation of Small Transformed Coefficients
-
Park J, Hong HJ, Yang YJ, Ahn CB
- KMID: 2175573
- Investig Magn Reson Imaging.
- 2015 Mar;19(1):19-30.
- doi: 10.13104/imri.2015.19.1.19
PURPOSE: A new compressed sensing technique by iterative truncation of small transformed coefficients (ITSC) is proposed for fast cardiac CINE MRI. MATERIALS AND METHODS: The proposed reconstruction is composed of two... -
- CITED
-
- Close
- SHARE
-
- Close
- ECG gated magnetic resonance imaging in normal heart
-
Park JH, Park CS, Lim D, Im CK, Han MC, Kim CW, Ahn CB, Kim YS, Rew CY, Moon CW, Cho ZH
- KMID: 2462974
- J Korean Radiol Soc.
- 1984 Dec;20(4):835-840.
- doi: 10.3348/jkrs.1984.20.4.835
MR imaging of normal heart was done in 7 Volunteers who had no clinical evidence of cardiobascular disease,using KAIS 0.15 Tesla resistive magnet imaing system. Saturation recovery with spin echo... -
- CITED
-
- Close
- SHARE
-
- Close
- f-MRI with Three-Dimensional Visual Stimulation
-
Ahn CB, Kim CY, Park HJ, Oh SJ
- KMID: 2330917
- J Korean Soc Magn Reson Med.
- 2005 Jun;9(1):24-29.
PURPOSE: Instead of conventional two-dimensional (2-D) visual stimuli, three-dimensional (3-D) visual stimuli with stereoscopic vision were employed for the study of functional Magnetic Resonance Imaging (f-MRI). In this paper f-MRI... -
- CITED
-
- Close
- SHARE
-
- Close
- Distribution of Serotonin-2 Receptor in the Superior Collicullus of the Adult Rat: A Radioarutographic Study
-
Lee NK, Kim MH, Ahn CB
- KMID: 2123146
- J Korean Ophthalmol Soc.
- 1993 Dec;34(12):1262-1268.
The superior colliculus is a laminated structure that consisted with superficial and deep layers in the roof of midbrain and the center of visual information and sensorimotor intergration. The deep... -
- CITED
-
- Close
- SHARE
-
- Close
- Model-based Gradient Compensation in Spiral Imaging
-
Cho SH, Kim PK, Lim JW, Ahn CB
- KMID: 1471614
- J Korean Soc Magn Reson Med.
- 2009 Jun;13(1):15-21.
PURPOSE: A method to estimate a real k-space trajectory based on a circuit model of the gradient system is proposed for spiral imaging. The estimated k-space trajectory instead of the... -
- CITED
-
- Close
- SHARE
-
- Close
- Study of Motion Effects in Cartesian and Spiral Parallel MRI Using Computer Simulation
-
Park SK, Ahn CB, Sim DG, Park H
- KMID: 2144315
- J Korean Soc Magn Reson Med.
- 2008 Dec;12(2):123-130.
PURPOSE: Motion effects in parallel magnetic resonance imaging (MRI) are investigated. Parallel MRI is known to be robust to motion due to its reduced acquisition time. However, if there are... -
- CITED
-
- Close
- SHARE
-
- Close
- Blended-Transfer Learning for Compressed-Sensing Cardiac CINE MRI
-
Park SJ, Ahn CB
- KMID: 2514130
- Investig Magn Reson Imaging.
- 2021 Mar;25(1):10-22.
- doi: 10.13104/imri.2021.25.1.10
Purpose: To overcome the difficulty in building a large data set with a high-quality in medical imaging, a concept of 'blended-transfer learning' (BTL) using a combination of both source data... -
- CITED
-
- Close
- SHARE
-
- Close
- Clinical Validity of the Domestic EEG and Mapping System(Neuronics)
-
Min SK, Jon DI, Lee SH, Ahn CB, Yoo SK
- KMID: 2317283
- Sleep Med Psychophysiol.
- 1997 Jun;4(1):96-106.
The clinical validity of a korean EEG and EP mapping system(Neuronics) was evaluated with schizophrenic patients(n=20), normal controls(n=19), and 10 patients with central nervous system disease(8 patients with cerebrovascular accident,... -
- CITED
-
- Close
- SHARE
-
- Close
- Cardiac Magnetic Resonance Imaging Using Multi-physiological Intelligent Trigger System
-
Park J, Yoon JH, Yang YJ, Ahn CB
- KMID: 1999924
- J Korean Soc Magn Reson Med.
- 2014 Sep;18(3):244-252.
- doi: 10.13104/jksmrm.2014.18.3.244
PURPOSE: We proposed a multi-physiological signals based real-time intelligent triggering system(MITS) for Cardiac MRI. Induced noise of the system was analyzed. MATERIALS AND METHODS: MITS makes cardiac MR imaging sequence synchronize... -
- CITED
-
- Close
- SHARE
-
- Close
- Higher Order Shimming for Ultra-fast Spiral-Scan Imaging at 3 Tesla MRI System
-
Kim PK, Lim JW, Ahn CB
- KMID: 2206900
- J Korean Soc Magn Reson Med.
- 2007 Dec;11(2):95-102.
PURPOSE: To acquire high-resolution spiral-scan images at higher magnetic field, high homogeneous magnetic field is needed. Field inhomogeneity mapping and in-vivo shimming are important for rapid imaging such as spiral-scan... -
- CITED
-
- Close
- SHARE
-
- Close
- Simultaneous Unwrapping Phase and Error Recovery from Inhomogeneity (SUPER) for Quantitative Susceptibility Mapping of the Human Brain
-
Yang YJ, Yoon JH, Baek HM, Ahn CB
- KMID: 2408816
- Investig Magn Reson Imaging.
- 2018 Mar;22(1):37-49.
- doi: 10.13104/imri.2018.22.1.37
PURPOSE: The effect of global inhomogeneity on quantitative susceptibility mapping (QSM) was investigated. A technique referred to as Simultaneous Unwrapping Phase with Error Recovery from inhomogeneity (SUPER) is suggested as... -
- CITED
-
- Close
- SHARE
-
- Close
- Comparison of Hemodynamic Energy between Expanded Polytetrafluoroethylene and Dacron Artificial Vessels
-
Lim J, Won JY, Ahn CB, Kim J, Kim HJ, Jung JS
- KMID: 2514580
- J Chest Surg.
- 2021 Apr;54(2):81-87.
- doi: 10.5090/jcs.20.134
Background: Artificial grafts such as polyethylene terephthalate (Dacron) and expanded polytetrafluoroethylene (ePTFE) are used for various cardiovascular surgical procedures. The compliance properties of prosthetic grafts could affect hemodynamic energy, which can... -
- CITED
-
- Close
- SHARE
-
- Close
