Publications

Performance of fully automated deep-learning-based coronary artery calcium scoring in ECG-gated calcium CT and non-gated low-dose chest CT
Journal

S. Kim, E.A. Park, C. Ahn, B. Jeong, Y.S. Lee, W. Lee, J.H. Kim

Artificial Intelligence in Radiology

Coronary artery calcification Calcium scoring Calcium CT Low-dose chest CT Deep learning

European Radiology

2025

Our study aimed to validate the agreement and diagnostic performance of a deep-learning-based coronary artery calcium scoring (DL-CACS) system for ECG-gated and non-gated low-dose chest CT (LDCT) across multivendor datasets

Noise power spectrum analysis in CT for improved patient-specific image optimization: a shift from phantom model to clinical scan
Conference

C. Park, S. Kim, J.H. Kim

Image Quality Assessment in Radiology

Noise Power Spectrum Structure Coherence Feature Liver Segmenation Anthropomorphic Phantom Clinical Scans

SPIE Medical Imaging, San Diego, CA, USA

2024

We highlighted that one-fits-all strategy using phantom-based dose optimization may not be appropriate for clinical CT, and proposed a patient-specific IQA method.

Long-Term Prognostic Implications of Thoracic Aortic Calcification on CT Using Artificial Intelligence–Based Quantification in a Screening Population: A Two-Center Study
Journal

J.E. Lee, N.Y. Kim, Y.H. Kim, Y. Kwon, S. Kim, K. Han, Y.J. Suh

Artificial Intelligence in Radiology

Artificial Intelligence Chest CT Coronary Artery Calcification Screening Thoracic Aortic Calcification

American Journal of Roentgenology

2025

We aimed to evaluate long-term prognostic implications of TAC assessed using AI-based quantification on routine chest CT in a screening population.

Automated Audit and Self-Correction Algorithm for Seg-Hallucination Using MeshCNN-Based On-Demand Generative AI
Journal

S. Kim, C. Park, G. Jeon, S. Kim, J.H. Kim

Artificial Intelligence in Medical Image Processing

AI Audit Seg-Hallucination Uncertainty Anomaly Screening Segmentation

Bioengineering

2025

This paper explores automated strategy for auditing seg-hallucination in medical image segmentation task.

Clinical Application of Artificial Intelligence-Based Computed Tomography Analysis of Myosteatosis in Localized Renal Cell Carcinoma
Journal

B.J. Kang, K.H. Kim, S.B. Hong, N.K. Lee, S. Kim, S. Kim, H.K. Ha

Artificial Intelligence in Radiology

Renal Cell Carcinoma Myosteatosis Artificial Intelligence

Journal of Urologic Oncology

2024

This study evaluated the predictive value of myosteatosis based on an AI-driven CT analysis in patients with localized RCC who underwent partial nephrectom.

How to overcome the data limited segmentation in abdominal CT: multi-planar UNet coupled with augmented contrast-boosting
Conference

S. Kim, C. Ahn, J.H. Kim

Artificial Intelligence in Medical Image Processing

CT Deep Learning Contrast Enhancement Multi-planar Reconstruction Augmentation CNN

SPIE Medical Imaging, San Diego, CA, USA

2023

This study proposed a multi-planar UNet with an augmented contrast-boosting technique.

Development of deep learning-assisted overscan decision algorithm in low-dose chest CT: Application to lung cancer screening in Korean National CT accreditation program
Journal

S. Kim, W.K. Jeong, J.H. Choi, J.H. Kim, M. Chun

Artificial Intelligence in Radiology

AI Audit Deep Learning Low-dose Chest CT Lung Cancer Screening Overscan

PLoS ONE

2022

This study proposed overscan decision algorithm enables the retrospective scan range monitoring in LDCT for lung cancer screening program.

Fully automated image quality evaluation on patient CT: Multi-vendor and multi-reconstruction study
Journal

M. Chun, J.H. Choi, S. Kim, C. Ahn, J.H. Kim

Image Quality Assessment in Radiology

Image Quality Assessment Deep Learning CT Structure Coherence Feature

PLoS ONE

2022

This study proposed the CT protocol optimization process by allowing a high throughput and quantitative image quality evaluation during the introduction or adjustment of lower-dose CT protocol into routine practice.

Nanotribological properties and scratch resistance of MoS2 bilayer on a SiO2/Si substrate
Journal

S. Kim, H.S. Ahn

Thin Film Evaluation in Tribology

CVD-grown MoS2 bilayer Friction Force Microscopy Nanoscratch Test Kelvin Probe Force Microscopy Scratch Resistance

Friction

2022

This study evaluated the nanotribological properties of MoS2 bilayer on a SiO2/Si substrate using both Friction Force Microscopy (FFM) and Kelvin Probe Force Microscopy (KPFM) methods.

Estimation of Noise Level and Edge Preservation for Computed Tomography Images: Comparisons in Iterative Reconstruction
Journal

S. Kim, C. Ahn, W.K. Jeong, J.H. Kim, M. Chun

Image Quality Assessment in Radiology

CT Image Quality Subtraction Image Noise Level Structure Edge Preservation

Progress in Medical Physics

2021

This study automatically discriminates homogeneous and structure edge regions on computed tomography (CT) images, and it evaluates the noise level and edge preservation ratio (EPR) according to the different types of iterative reconstruction (IR).

Synthesis of ghost-free panoramic radiographs from dental CBCT images
Conference

D. Lee, S. Kim, C. Ahn, C. Heo, J.H. Kim

Medical Image Processing in Radiology

Cone-Beam CT Panoramic Image Synthetic Radiograph

SPIE Medical Imaging, Houston, TX, USA

2020

This study proposed an approach to synthesize panoramic images from the CBCT images.