Single- and Multi-Frequency Direct Sampling Methods in a Limited-Aperture Inverse Scattering Problem. - Kang, Sangwoo; Lambert, Marc; Ahn, Chi Young; Ha, Taeyoung; Park, Won-Kwang (IEEE Access, 2020)

Fast identification of short, sound-soft open arcs by the orthogonality sampling method in the limited-aperture inverse scattering problem. - Ahn, Chi Young; Chae, Seongje; Park, Won-Kwang (Appl. Math. Lett., 2020)

Direct sampling method for identifying magnetic inhomogeneities in limited-aperture inverse scattering problem. - Ahn, Chi Young; Ha, Taeyoung; Park, Won-Kwang (Comput. Math. Appl., 2020)

A mathematical model for the 3d location estimation of 2D echocardiography data. - Ahn, Chi Young; Yun, Sangwoon (Appl. Math. Lett., 2019)

A study on the 3D position estimation of ventricular borders extracted from 2D echocardiography data. - Ahn, Chi Young; Yun, Sangwoon (Comput. Math. Appl., 2018)

Inverse Problem for Color Doppler Ultrasound-Assisted Intracardiac Blood Flow Imaging. - Jang, Jaeseong; Ahn, Chi Young; Choi, Jung-Il; Seo, Jin Keun (Comput. Math. Methods Medicine, 2016)

A Reconstruction Method of Blood Flow Velocity in Left Ventricle Using Color Flow Ultrasound. - Jang, Jaeseong; Ahn, Chi Young; Jeon, Kiwan; Heo, Jung; Lee, DongHak; Joo, Chulmin; Choi, Jung-Il; Seo, Jin Keun (Comput. Math. Methods Medicine, 2015)

Analysis of MUSIC-type imaging functional for single, thin electromagnetic inhomogeneity in limited-view inverse scattering problem. - Ahn, Chi Young; Jeon, Kiwan; Park, Won-Kwang (J. Comput. Phys., 2015)

A reconstruction method of intra-ventricular blood flow using color flow ultrasound: a simulation study. - Jang, Jaeseong; Ahn, Chi Young; Jeon, Kiwan; Choi, Jung-Il; Lee, Changhoon; Seo, Jin Keun (2015)

Robust Myocardial Motion Tracking for Echocardiography: Variational Framework Integrating Local-to-Global Deformation. - Ahn, Chi Young (Comput. Math. Methods Medicine, 2013)

Fast segmentation of ultrasound images using robust Rayleigh distribution decomposition. - Ahn, Chi Young; Jung, Yoon Mo; Kwon, Ohin; Seo, Jin Keun (Pattern Recognit., 2012)