Measurements of the noise power spectrum for digital x-ray imaging devices
DS Kim - Physics in Medicine & Biology, 2024 - iopscience.iop.org
Objective. The noise characteristics of digital x-ray imaging devices are determined by
contributions such as photon noise, electronic noise, and fixed pattern noise, and can be …
contributions such as photon noise, electronic noise, and fixed pattern noise, and can be …
Nonlinear lag correction based on the autoregressive model for dynamic flat-panel detectors
Lag signal problems occur in acquiring X-ray image sequences from dynamic flat-panel
detectors due to amorphous pixel photodiodes and incomplete readouts. Based on a linear …
detectors due to amorphous pixel photodiodes and incomplete readouts. Based on a linear …
Convex combination of images from dual-layer detectors for high detective quantum efficiencies
DS Kim - IEEE Transactions on Biomedical Engineering, 2022 - ieeexplore.ieee.org
Objective: In this paper, a novel dual-layer detector is considered to acquire X-ray images of
high signal-to-noise ratio (SNR) as well as detective quantum efficiency (DQE) especially for …
high signal-to-noise ratio (SNR) as well as detective quantum efficiency (DQE) especially for …
Linear lag models and measurements of the lag correction factors
For fluoroscopic imaging, flat-panel dynamic detectors can acquire X-ray image sequences
with frame rates higher than 300 frames per second. However, the sequentially acquired …
with frame rates higher than 300 frames per second. However, the sequentially acquired …
Conditional covariances for the signal lag measurements in fluoroscopic imaging
In fluoroscopic imaging, we can acquire X-ray image sequences using a flat-panel dynamic
detector. However, lag signals from previous frames are added to the subsequently acquired …
detector. However, lag signals from previous frames are added to the subsequently acquired …
Lag correction factor measurement based on the temporal power spectral density and its size
In fluoroscopy imaging, flat-panel dynamic detectors can be employed to acquire X-ray
image sequencies. Due to trapped charges in photodiodes and incomplete their readouts …
image sequencies. Due to trapped charges in photodiodes and incomplete their readouts …
[PDF][PDF] 시간적이득이불균일한상태에서전력스펙트럼밀도를사용한지연보정계수측정
이은애， 김동식 - 전자공학회논문지, 2022 - researchgate.net
요 약평판형 다이나믹 디텍터를 사용하여 X 선 영상열을 획득할 수 있는데, 디텍터를 구성하는
포토다이오드 화소의 비결정질 구조로 인하여 이전 영상에서 발생한 전하가 그 다음 영상에 …
포토다이오드 화소의 비결정질 구조로 인하여 이전 영상에서 발생한 전하가 그 다음 영상에 …
[引用][C] 시간적이득이불균일한상태에서의지연보정계수측정
이은애， 김동식 - 대한전자공학회학술대회, 2021 - dbpia.co.kr
시간적 이득이 불균일한 상태에서의 지연보정계수 측정 Page 1 시간적 이득이 불균일한 상태
에서의 지연보정계수 측정 이은애 김동식 * , 한국외국어대학교 전자공학과 e-mail : eunae.lee92@hufs.ac.kr …
에서의 지연보정계수 측정 이은애 김동식 * , 한국외국어대학교 전자공학과 e-mail : eunae.lee92@hufs.ac.kr …