Development of adaptive point-spread function estimation method in various scintillation detector thickness for X-ray imaging
BK Cha, Y Lee, K Kim - Sensors, 2023 - mdpi.com
An indirect conversion X-ray detector uses a scintillator that utilizes the proportionality of the
intensity of incident radiation to the amount of visible light emitted. A thicker scintillator …
intensity of incident radiation to the amount of visible light emitted. A thicker scintillator …
A comparative study of scintillator combining methods for flat-panel X-ray image sensors
An X-ray transmission imaging based on scintillation detection method is the most widely
used radiation technique particularly in the medical and industrial areas. As the name …
used radiation technique particularly in the medical and industrial areas. As the name …
An X-ray imaging detector based on pixel structured scintillator
BJ Kim, G Cho, BK Cha, B Kang - Radiation Measurements, 2007 - Elsevier
An X-ray imaging detector consisting of a silicon charge coupled device (CCD) and pixel
structured scintillator was developed to improve spatial resolution. The pixelated structure …
structured scintillator was developed to improve spatial resolution. The pixelated structure …
X-ray image denoising with fast non-local means (FNLM) approach using acceleration function in CdTe semiconductor photon counting detector (PCD): Monte Carlo …
Y Lee - Optik, 2018 - Elsevier
The noise reduction algorithms have been widely used in the field of medical X-ray imaging
system using semiconductor photon counting detector (PCD). Among these algorithms, fast …
system using semiconductor photon counting detector (PCD). Among these algorithms, fast …
Optimization Method to Predict Optimal Noise Reduction Parameters for the Non-Local Means Algorithm Based on the Scintillator Thickness in Radiography
BK Cha, KH Lee, Y Lee, K Kim - Sensors, 2023 - mdpi.com
The resulting image obtained from an X-ray imaging system depends significantly on the
characteristics of the detector. In particular, when an X-ray image is acquired by thinning the …
characteristics of the detector. In particular, when an X-ray image is acquired by thinning the …
Performance evaluation of a multichannel all-in-one phantom dosimeter for dose measurement of diagnostic X-ray beam
H Jeon, WJ Yoo, SH Shin, G Kwon, M Kim, HJ Kim… - Sensors, 2015 - mdpi.com
We developed a multichannel all-in-one phantom dosimeter system composed of nine
sensing probes, a chest phantom, an image intensifier, and a complementary metal-oxide …
sensing probes, a chest phantom, an image intensifier, and a complementary metal-oxide …
Scintillator efficiency study with MeV x-rays
S Baker, K Brown, A Curtis, SS Lutz… - Hard X-Ray …, 2014 - spiedigitallibrary.org
We have investigated scintillator efficiency for MeV radiographic imaging. This paper
discusses the modeled detection efficiency and measured brightness of a number of …
discusses the modeled detection efficiency and measured brightness of a number of …
A semiempirical linear model of indirect, flat‐panel x‐ray detectors
Purpose: It is important to understand signal and noise transfer in the indirect, flat‐panel x‐
ray detector when developing and optimizing imaging systems. For optimization where …
ray detector when developing and optimizing imaging systems. For optimization where …
Image quality and dose assessment of collimator slit width effect in SLOT-SCAN X-ray imaging system
M Hossein, SM Reza, SN Jamshid - Applied Radiation and Isotopes, 2021 - Elsevier
The effect of collimator slit width on patient absorbed dose and image quality is evaluated in
the SLOT-SCAN imaging system. For this purpose, GATE Monte-Carlo code was used for …
the SLOT-SCAN imaging system. For this purpose, GATE Monte-Carlo code was used for …
Experimental evaluation of reconstruction algorithms for scintillation crystal array based on charge projection readout
R Shi, Y Chen, X Dang, B Zhu, Z Wang, C Yang… - Nuclear Instruments and …, 2019 - Elsevier
Although the technological advances in hardware of gamma camera lead to an obvious
increase of detector performance, the final reconstructed image is still strongly restricted by …
increase of detector performance, the final reconstructed image is still strongly restricted by …