Search Results - "Ullah, Muhammad Nasir"

Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout by Ullah, Muhammad Nasir, Park, Yuseung, Kim, Gyeong Beom, Kim, Chanho, Park, Chansun, Choi, Hojong, Yeom, Jung-Yeol

“…We propose an integrated front-end data acquisition circuit for a hybrid ultrasound (US)-gamma probe. The proposed circuit consists of three main parts: (1) a…”
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Instrumentation for Time-of-Flight Positron Emission Tomography by Ullah, Muhammad Nasir, Pratiwi, Eva, Cheon, Jimin, Choi, Hojong, Yeom, Jung Yeol

“…Positron emission tomography (PET) is a molecular imaging modality that provides information at the molecular level. This system is composed of radiation…”
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Radiation resistance and temperature dependence of Ce:GPS scintillation crystal by Kim, Chanho, Kim, Dongyoung, Lee, Yeeeun, Park, Chansun, Ullah, Muhammad Nasir, Kim, Duckhyun, Kwon, Inyong, Hur, Seop, Yeom, Jung-Yeol

“…We investigated the scintillation properties of Ce:GPS (Ce:Gd2Si2O7), Pr:LuAG (Pr:Lu3Al5O12), and LYSO (Lu2(1 − x)Y2xSiO5) scintillators in high-temperature…”
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Investigation of Optical Properties of Ceramic Ce:GAGG by High Temperature Annealing by Park, Chansun, Ullah, Muhammad Nasir, Kim, Chanho, Cho, Shinhaeng, Yeom, Jung-Yeol

“…An as-fabricated cerium-doped ceramic scintillator Gd 3 Al 2 Ga 3 O 12 (Ce:GAGG) was thermally annealed at different temperatures. The light output and energy…”
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Instrumentation for Time-of-Flight Positron Emission Tomography by Ullah, Muhammad Nasir, Pratiwi, Eva, Cheon, Jimin, Choi, Hojong, Yeom, Jung Yeol

“…Positron emission tomography (PET) is a molecular imaging modality that provides information at the molecular level. This system is composed of radiation…”
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Collimators for Gamma Dual Energy CT Arch-Detector: A Simulation Study by Pratiwi, Eva, Bae, Seungbin, Lee, Hakjee, Ullah, Muhammad Nasir, Lee, Boram, Lee, Kisung, Yeom, Jungyeol

“…The image resolution of computed tomography (CT) scan system can be affected by numbers of factors such as collimator material, collimator design, stopping…”
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Advances in Detector Instrumentation for PET by Gonzalez-Montoro, Andrea, Ullah, Muhammad Nasir, Levin, Craig S

“…During the last 3 decades, PET has become a standard-of-care imaging technique used in the management of cancer and in the characterization of neurologic…”
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Self-normalization for a 1 mm 3 resolution clinical PET system using deep learning by Chin, Myungheon, Jafaritadi, Mojtaba, Franco, Andrew B, Nasir Ullah, Muhammad, Chinn, Garry, Innes, Derek, Levin, Craig S

“…This work proposes, for the first time, an image-based end-to-end self-normalization framework for positron emission tomography (PET) using conditional…”
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A new positron-gamma discriminating phoswich detector based on wavelength discrimination (WLD) by Ullah, Muhammad Nasir, Park, Chansun, Pratiwi, Eva, Kim, Chanho, Choi, Hojong, Yeom, Jung-Yeol

“…The intra-operative positron probe, used in the field of nuclear medicine, has been developed to localize positron (β+) emitted from positron emission…”
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Application of Artificial Intelligence in PET Instrumentation by Ullah, Muhammad Nasir, Levin, Craig S.

“…Artificial intelligence (AI) has been widely used throughout medical imaging, including PET, for data correction, image reconstruction, and image processing…”
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PETcoil: first results from a second-generation RF-penetrable TOF-PET brain insert for simultaneous PET/MRI by Dong, Qian, Ullah, Muhammad Nasir, Innes, Derek, Watkins, Ronald D, Chang, Chen-Ming, Zou, Sarah J, Groll, Andrew, Sacco, Ilaria, Chinn, Garry, Levin, Craig S

“…Simultaneous positron emission tomography (PET)/magnetic resonance imaging provides concurrent information about anatomic, functional, and molecular changes in…”
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Wavelength discrimination (WLD) detector optimization for time-of-flight positron emission tomography with depth of interaction information by Ullah, Muhammad Nasir, Park, Jin Ho, Pratiwi, Eva, Kim, Gyeong Beom, Yeom, Jung-Yeol

“…Parallax error in positron emission tomography (PET) scanners degrades image quality away from the center of the field-of-view (FOV). Depth of interaction…”
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Studies on sub-millimeter LYSO:Ce, Ce:GAGG, and a new Ce:GFAG block detector for PET using digital silicon photomultiplier by Ullah, Muhammad Nasir, Pratiwi, Eva, Park, Jin Ho, Yamamoto, Seiichi, Kamada, Kei, Yoshikawa, Akira, Yeom, Jung-Yeol

“…The spatial, timing, and energy resolutions of a detector affect the image quality of a positron emission tomography (PET) system. These parameters are in turn…”
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Characterization of set of vectors represented by lattices by Ho, Charlotte Yuk-Fan, Ling, Bingo Wing-Kuen, Nasir, Muhammad Habib Ullah, Lam, Hak-Keung, Iu, Herbert H. C.

“…In this paper, the dynamics of weights of perceptrons are investigated based on the perceptron training algorithm. In particular, an invariant set of the…”
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