Machine learning approach to identify stroke within 4.5 hours

H Lee, EJ Lee, S Ham, HB Lee, JS Lee, SU Kwon… - Stroke, 2020 - Am Heart Assoc
Background and Purpose— We aimed to investigate the ability of machine learning (ML)
techniques analyzing diffusion-weighted imaging (DWI) and fluid-attenuated inversion recovery …

[HTML][HTML] Deep learning in medical imaging: general overview

JG Lee, S Jun, YW Cho, H Lee, GB Kim… - Korean journal of …, 2017 - ncbi.nlm.nih.gov
The artificial neural network (ANN)–a machine learning technique inspired by the human
neuronal synapse system–was introduced in the 1950s. However, the ANN was previously …

[HTML][HTML] Radiomic features and multilayer perceptron network classifier: a robust MRI classification strategy for distinguishing glioblastoma from primary central …

J Yun, JE Park, H Lee, S Ham, N Kim, HS Kim - Scientific reports, 2019 - nature.com
We aimed to establish a high-performing and robust classification strategy, using magnetic
resonance imaging (MRI), along with combinations of feature extraction and selection in …

[HTML][HTML] Artificial intelligence in health care: Current applications and issues

…, CM Park, DK Chang, H Kim, H Kim, H Lee… - Journal of Korean …, 2020 - ncbi.nlm.nih.gov
In recent years, artificial intelligence (AI) technologies have greatly advanced and become a
reality in many areas of our daily lives. In the health care field, numerous efforts are being …

Highly efficient blue thermally activated delayed fluorescence emitters based on symmetrical and rigid oxygen-bridged boron acceptors

DH Ahn, SW Kim, H Lee, IJ Ko, D Karthik, JY Lee… - Nature …, 2019 - nature.com
Materials that exhibit thermally activated delayed fluorescence are promising for the realization
of efficient organic light-emitting diodes. However, finding suitable deep-blue thermally …

[HTML][HTML] Oral and gut dysbiosis leads to functional alterations in Parkinson's disease

…, YS Hwang, SH Lee, KW Park, MS Kim, H Lee… - npj Parkinson's …, 2022 - nature.com
Although several studies have identified a distinct gut microbial composition in Parkinson’s
disease (PD), few studies have investigated the oral microbiome or functional alteration of …

Achieving narrow FWHM and High EQE over 38% in blue OLEDs using rigid heteroatom‐based deep blue TADF sensitized host

R Braveenth, H Lee, JD Park, KJ Yang… - Advanced Functional …, 2021 - Wiley Online Library
Simultaneously obtaining high efficiency and deep blue emission in organic light emitting
diodes (OLEDs) remains a challenge. To overcome the demands associated with deep blue …

Acceptor–donor–acceptor‐type orange–red thermally activated delayed fluorescence materials realizing external quantum efficiency over 30% with low efficiency roll …

D Karthik, YH Jung, H Lee, S Hwang… - Advanced …, 2021 - Wiley Online Library
Two new orange–red thermally activated delayed fluorescence (TADF) materials, PzTDBA
and PzDBA, are reported. These materials are designed based on the acceptor–donor–…

[HTML][HTML] Deep-learning-based image quality enhancement of compressed sensing magnetic resonance imaging of vessel wall: comparison of self-supervised and …

D Eun, R Jang, WS Ha, H Lee, SC Jung, N Kim - Scientific Reports, 2020 - nature.com
While high-resolution proton density-weighted magnetic resonance imaging (MRI) of intracranial
vessel walls is significant for a precise diagnosis of intracranial artery disease, its long …

Magnetic resonance imaging texture predicts progression to dementia due to Alzheimer disease earlier than hippocampal volume

S Lee, H Lee, KW Kim - Journal of Psychiatry and Neuroscience, 2020 - jpn.ca
Background: Early identification of people at risk of imminent progression to dementia due to
Alzheimer disease is crucial for timely intervention and treatment. We investigated whether …