Search Results - "KIM, Yongkwon"

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…”
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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…”
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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…”
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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…”
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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…”
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Development of a New PET Detector With Depth-Encoding Capability Using Wavelength-Shifting Fiber Readout by An, Su Jung, Chung, Yong Hyun, Min, Eungi, Lee, Seung-Jae, Lee, Jinhyung, Kim, Yongkwon, Lee, Kisung

“…A new concept of positron emission tomography detector with depth-encoding capability is proposed and developed for small-animal imaging. The detector module…”
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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…”
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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…”
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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…”
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A LaBr3(Ce) detector system with a simple spectral shift correction method for applications in harsh environments by Choi, Yire, Kim, Kyeong Ja, Park, Kilsoon, Kim, Yongkwon

“…A prototype LaBr3 detector system with an integrated electronics unit was developed to perform accurate gamma ray spectroscopy in harsh environments. A simple…”
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High-radiation-exposure tasks in Korean pressurized heavy-water reactors by Song, Changju, Kong, Tae Young, Kim, Seongjun, Son, Jinho, Kim, Jiung, Park, Jaeok, Kim, Hee Geun, Kim, Yongkwon

“…This study analysed the occupational dose in Korean pressurized heavy-water reactors (PHWRs) and identified tasks involving high radiation exposure. The…”
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Development of a radionuclide identification algorithm based on a convolutional neural network for radiation portal monitoring system by Koo, Bon Tack, Lee, Hyun Cheol, Bae, Kihun, Kim, Yongkwon, Jung, Jinhun, Park, Chang Su, Kim, Hong-Suk, Min, Chul Hee

“…At border crossings around the world, plastic scintillator-based radiation portal monitors (RPMs) are employed to detect the presence of illicit radioactive…”
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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…”
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High-radiation-exposure work in Korean pressurized water reactors by Song, Changju, Kong, Tae Young, Kim, Seongjun, Son, Jinho, Kim, Hwapyoung, Kim, Jiung, Park, Jaeok, Kim, Hee Geun, Kim, Yongkwon

“…Owing to strict radiation safety management in Korean nuclear power plants (NPPs), most radiation workers receive very low radiation doses, even lower than the…”
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Corrigendum to “Identification of radionuclides for the spectroscopic radiation portal monitor for pedestrian screening under a low signal-to-noise ratio condition” [Nucl. Instrum. Methods Phys. Res. A 758 (2014) 62–68] by Min, Eungi, Ko, Mincheol, Lee, Hakjae, Kim, Yongkwon, Joung, Jinhun, Joo, Sung-Kwan, Lee, Kisung

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Identification of radionuclides for the spectroscopic radiation portal monitor for pedestrian screening under a low signal-to-noise ratio condition by Min, Eungi, Ko, Mincheol, Lee, Hakjae, Kim, Yongkwon, Joung, Jinhun, Joo, Sung-Kwan, Lee, Kisung

“…The spectroscopic radiation portal monitor (SPM) is widely used for homeland security. Many research groups are studying the radionuclide identification method…”
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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…”
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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…”
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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,…”
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Distance approximation techniques to reduce the dimensionality for multimedia databases by Kim, Yongkwon, Chung, Chin-Wan, Lee, Seok-Lyong, Kim, Deok-Hwan

“…Recently, databases have been used to store multimedia data such as images, maps, video clips, and music clips. In order to search them, they should be…”
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