Search Results - "Jo Hong, Key"
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Feasibility study of portable multi-energy computed tomography with photon-counting detector for preclinical and clinical applications
Published in Scientific reports (23-11-2021)“…In this study, preclinical experiments were performed with an in-house developed prototypal photon-counting detector computed tomography (PCD CT) system. The…”
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Journal Article -
2
Tomographic image of prompt gamma ray from boron neutron capture therapy: A Monte Carlo simulation study
Published in Applied physics letters (24-02-2014)“…Purpose of paper is to confirm the feasibility of acquisition of three dimensional single photon emission computed tomography image from boron neutron capture…”
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3
GPU‐based prompt gamma ray imaging from boron neutron capture therapy
Published in Medical physics (Lancaster) (01-01-2015)“…Purpose: The purpose of this research is to perform the fast reconstruction of a prompt gamma ray image using a graphics processing unit (GPU) computation from…”
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4
A Compact SPECT/CT System for Small Animal Imaging
Published in IEEE transactions on nuclear science (01-10-2006)“…A dual-modality compact SPECT/CT system for small animal imaging was developed. The SPECT system consisted of a pinhole collimator and continuous NaI(Tl)…”
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5
A prototype MR insertable brain PET using tileable GAPD arrays
Published in Medical physics (Lancaster) (01-04-2013)“…Purpose: The aim of this study was to develop a prototype magnetic resonance (MR)-compatible positron emission tomography (PET) that can be inserted into a MR…”
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6
Studies of electromagnetic interference of PET detector insert for simultaneous PET/MRI
Published in 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) (01-10-2013)“…We are developing a brain positron emission tomography (PET) system prototype with long optical cables to minimize mutual interference between our PET…”
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Conference Proceeding -
7
Readout Electronics and Data Acquisition of a Positron Emission Tomography Time-of-Flight Detector Module With Waveform Digitizer
Published in IEEE transactions on nuclear science (01-10-2013)“…A multi-element silicon photomultiplier (SiPM) based time-of-flight (ToF) detector module for positron emission tomography (PET) has been developed. The…”
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A feasibility study of photosensor charge signal transmission to preamplifier using long cable for development of hybrid PET-MRI
Published in Medical physics (Lancaster) (01-11-2010)“…Purpose: A new positron emission tomography (PET) detector signal processing method, the charge signal transmission approach, is proposed for the development…”
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9
Performance amelioration for small animal SPECT using optimized pinhole collimator and image correction technique
Published in IEEE transactions on nuclear science (01-10-2005)“…The aim of this study was to improve the performance of pinhole single photon emission computed tomography (SPECT) fabricated with a position sensitive…”
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10
Trends of Data Path Topologies for Data Acquisition Systems in Positron Emission Tomography
Published in IEEE transactions on nuclear science (01-10-2013)“…In this paper, we describe current trends in data path topologies for Positron Emission Tomography (PET) data acquisition (DAQ) systems which is used to…”
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A simple and improved digital timing method for positron emission tomography
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2010)“…A simple and improved digital timing method was developed for positron emission tomography (PET). This method, the so-called ‘initial rise interpolation…”
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Preliminary experimental results of a quasi-monolithic detector with DOI capability for a small animal PET
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-09-2010)“…In our previous work, the new detector module with depth of interaction (DOI) based on a quasi-monolithic crystal array and maximum-likelihood…”
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13
Development of a position decoder circuit for PET consisting of GAPD arrays
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-09-2010)“…Use of channel reduction techniques that reduce the number of signals transmitted to a data acquisition (DAQ) module can lead to more efficient use of the DAQ…”
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Therapy region monitoring based on PET using 478 keV single prompt gamma ray during BNCT: A Monte Carlo simulation study
Published in Physica medica (01-04-2016)“…Highlights • Tumor monitoring using prompt gamma ray during BNCT. • Acquisition of single prompt gamma image using insertable collimator from PET. • Prompt…”
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15
Development of Filtering Methods for PET Signals Contaminated by RF Pulses for Combined PET-MRI
Published in IEEE transactions on nuclear science (01-10-2013)“…This paper presents the development of filtering methods for positron emission tomography (PET) signals contaminated by radio frequency (RF) pulses for…”
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16
Performance evaluation of a multi-pinhole collimator with vertical septa
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-03-2011)“…The authors have previously reported a simulation study on a novel multi-pinhole (MP) collimator that is able to provide improved angular sampling and an…”
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17
FPGA-based time-to-digital converter for time-of-flight PET detector
Published in 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC) (01-10-2012)“…We have developed a FPGA-based time-to-digital converter (TDC) that can be used for a TOF-PET block detector based on silicon photomultiplier (SiPM)…”
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Conference Proceeding -
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A 16-channel FPGA-based time-to-digital converter for pulse width modulation circuitry for silicon photomultiplier readout
Published in 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) (01-10-2013)“…This work presents a 16-channel time-to-digital converter (TDC) implemented in a field programmable gate array (FPGA) that can be used for a positron emission…”
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Conference Proceeding -
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A pulse width modulation readout method for densely packed solid state photodetectors
Published in 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) (01-10-2013)“…The field of PET is moving toward systems comprising thousands of crystal elements coupled to thousands of semiconductor photodetector channels. Because of the…”
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Conference Proceeding -
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Characterization of PET data acquisition system with compressed sensing detectors
Published in 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) (01-10-2013)“…We evaluated the timing performance of our data acquisition system (DAQ) with compressed sensing detectors we used in a PET insert for simultaneous PET/MR…”
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Conference Proceeding