Search Results - "Joung, Jinhun"

Feasibility study of a non-destructive assay system for certifying identified isotopes and their activity concentrations for radioactive waste in a large container by Joung, Jinhun, Nguyen, Hung M., Kim, Yongkwon, Lee, Mi-hyun, Cho, Hang-rae, Park, Kyung-Rok, Lee, Ji-Hoon, Dho, Ho-seog, Cho, Chun-Hyung

“…We have generated a system concept for a non-destructive assay (NDA) system to certify identified isotopes and their activity concentrations for radioactive…”
Get full text

Feasibility study of SiPM based scintillation detector for dual-energy X-ray absorptiometry by Park, Chanwoo, Song, Hankyeol, Joung, Jinhun, Kim, Yongkwon, Kim, Kyu Bom, Chung, Yong Hyun

“…Dual-energy x-ray absorptiometry (DXA) is the noninvasive method to diagnose osteoporosis disease characterized by low bone mass and deterioration of bone…”
Get full text

Preliminary results of a prototype C-shaped PET designed for an in-beam PET system by Kim, Hyun-Il, Chung, Yong Hyun, Lee, Kisung, Kim, Kyeong Min, Kim, Yongkwon, Joung, Jinhun

“…Positron emission tomography (PET) can be utilized in particle beam therapy to verify the dose distribution of the target volume as well as the accuracy of the…”
Get full text

Development of Compact, Cost-effective, FPGA-Based Data Acquisition System for the iPET System by Min, Eungi, Kim, Kwangdon, Lee, Hakjae, Kim, Hyun-Il, Chung, Yong Hyun, Kim, Yongkwon, Joung, Jinhun, Kim, Kyeong Min, Joo, Sung-Kwan, Lee, Kisung

“…Positron emission tomography (PET) is a nuclear medicine imaging technology used to analyze physiological processes. An in-beam PET is used to verify the…”
Get full text

Two-level multi-pinhole collimator for SPECT imaging using a small-field-of-view gamma camera by Bae, Jaekeon, Bae, Seungbin, Lee, Soo-young, Lee, Kisung, Kim, Yongkwon, Joung, Jinhun, Kim, MinHo, Kim, Kyeong Min

“…The aim of this study was to develop a high-throughput imaging method for single-photon emission computed tomography. We developed a target-oriented…”
Get full text

Experimental evaluation of a multi-pinhole collimator for a small organ by using a small-field-of-view gamma camera by Bae, Jaekeon, Bae, Seungbin, Jung, Young-Jun, Lee, Kisung, Kim, Yongkwon, Joung, Jinhun, Kim, Kyeong Min, Kim, Hee-Joung

“…The aim of this study is to design and evaluate a multi-pinhole (MP) collimator for a gamma imaging system that requires a high sensitivity, organ-specific,…”
Get full text

Feasibility study of SiPM based scintillation detector for dual-energy X-ray absorptiometry by Park, Chanwoo, Song, Hankyeol, Joung, Jinhun, Kim, Yongkwon, Kim, Kyu Bom, Chung, Yong Hyun

“…Dual-energy x-ray absorptiometry (DXA) is the noninvasive method to diagnose osteoporosis disease characterized by low bone mass and deterioration of bone…”
Get full text

Design and performance investigation of a multi-pinhole collimator for a small field of view gamma imaging system by Bae, Jaekeon, Bae, Seungbin, Lee, Kisung, Choi, Yong, Kim, Yongkwon, Joung, Jinhun

“…The aim of this study is to design a collimator for a gamma imaging system that has a small-footprint, a fast-scan-time, and a organ-specific applicability. To…”
Get full text

Development of correction schemes for a small field of view gamma camera by Hung, Nguyen Manh, Joung, Jinhun, Lee, Kisung, Kim, Yongkwon

“…Purpose The goal of this study is to develop data correction schemes for a small field of view (SFOV) high resolution gamma camera detector for a small organ…”
Get full text

A peak detection in noisy spectrum using principal component analysis by Eungi Min, Mincheol Ko, Yongkwon Kim, Jinhun Joung, Kisung Lee

“…A spectrum of a radio isotope (RI) contains a single or multiple photo-peaks and radio-activities of all energy levels. These characteristics of each RI source…”
Get full text

Performance Characterization of a Silicon Drift Detector for Gamma Ray Imaging by Jinhun Joung, Kisung Lee, Young Bok Ahn, Jong Hee Lee, Jihoon Kang, Jae Kuk Moon, Henseler, Debora, Metzger, Wilhelm, Schmand, Matthias

“…This study examined the intrinsic performance of silicon drift detector (SDD)-based gamma detectors under a variety of conditions. The prototype detector…”
Get full text

Reconstruction of dose distribution in in-beam PET for carbon therapy by Kwangdon Kim, Seungbin Bae, Kisung Lee, Yonghyun Chung, Sujung An, Jinhun Joung

“…There are two main artifacts in reconstructed images from in-beam positron emission tomography(PET). Unlike generic PET, in-beam PET uses the annihilation…”
Get full text

Investigation pseudo 3D imaging method for small field of view (SFOV) using a SFOV gamma camera by Jaekeon Bae, Kisung Lee, Seungjae Lee, Yongkwon Kim, Jinhun Joung

“…We have investigated a limited angle gamma imaging system that enables pseudo 3D reconstruction of small objects such as thyroid, prostate and etc. In this…”
Get full text

FPGA-based multichannel data acquisition system for prototype in-beam PET by Eungi Min, Hyun-Il Kim, Kwangdon Kim, Hakjae Lee, Seungbin Bae, Su Jung An, Yongkown Kim, Yong Hyun Chung, Jinhun Joung

“…In-beam positron emission tomography (PET) is a clinically proven imaging technique for the online investigation of position emitters induced by hadron…”
Get full text

Optimal Optical Conditions and Positioning Scheme for an Ultrahigh-Resolution Silicon Drift Detector-Based Gamma Camera by JOUNG, Jinhun, LEE, Kisung, HENSELER, Debora, METZGER, Wilhelm, CHOI, Yong, AHN, Young Bok, KIM, Yongkwon

“…In this study, we optimized the optical conditions and associated positioning scheme for an ultrahighspatial-resolution, solid-state gamma detector. The…”
Get full text

Statistics-based position decoding for a block detector by Seungbin Bae, Hakjae Lee, Kisung Lee, Kyeongmin Kim, Hyun-il Kim, Yonghyun Chung, Jinhun Joung

“…We are developing a block detector to be used in in-beam PET for hardron therapy, which consists of a discrete scintillator array and four round-type PMTs. To…”
Get full text

Implementation of ML based positioning algorithms for scintillation cameras by Jinhun Joung, Miyaoka, R.S., Kohlmyer, S., Lewellen, T.K.

“…Positioning algorithms for scintillation cameras are investigated. Maximum Likelihood (ML) estimation techniques and centroid-based methods (e.g., weighted and…”
Get full text

A miniature SPECT using multi-pinhole collimator with vertical septa by Byung Jun Min, Yong Choi, Nam-Yong Lee, Jin Ho Jung, Key Jo Hong, Ji Hoon Kang, Wei Hu, Kisung Lee, Young Bok Ahn, Jinhun Joung

“…We had previously reported a simulation study on a multi-pinhole collimator (MP) having lead vertical septa which could provide improved angular sampling and…”
Get full text

Image registration for PET/CT and CT images with particle swarm optimization by Hakjae Lee, Kisung Lee, Yongkwon Kim, Jinhun Joung, Kookhyun Moon, Sung-Kwan Joo, Kyeong-Min Kim, Gi-Jeong Chun

“…The objective of this research is to develop 2D/3D registration algorithm for PET/CT and CT or MR images acquired by different systems at different times. We…”
Get full text

Blocking Catabolism with Eniluracil Enhances PET Studies of 5-[18F]Fluorouracil Pharmacokinetics by Bading, James R, Alauddin, Mian M, Fissekis, John D, Shahinian, Antranik H, Joung, Jinhun, Spector, Thomas, Conti, Peter S

“…Noninvasive methods for measuring the pharmacokinetics of chemotherapeutic drugs such as 5-fluorouracil (FU) are needed for individualized optimization of…”
Get full text