"A comparison of the classification performance of shallow and deep convolutional neural networks in small active sonar datasets"
Kim, Geunhwan, Hwang, Youngsang, Shin, Sungjin, Shin, Myoungin, Choi, Jongkwon, Lee, Keunhwa, Kim, Juho, Choo, Youngmin, Institute of Noise Control Engineering, 2023
Geunhwan Kim; YoungSang Hwang; Sungjin Shin; Youngmin Choo, Journal of the Acoustical Society of America, 2023
"Deep learning based effective feature extraction for active sonar target detection"
YoungSang Hwang, Geunhwan Kim, Sungjin Shin, Wooyoung Hong, Youngmin Choo, Journal of the Acoustical Society of America, 2023
"Frequency analysis of passive sonar signals using multiple-measurement physics-informed neural network"
Sunyoung Ko, Mingu Kang, Junho Bae, Woojae Seong, Myoungin Shin, Youngmin Choo, Journal of the Acoustical Society of America, 2023
"Effective feature fusion via analysis of quantitative similarity matrices among various acoustic features for underwater active target detection"
Sungjin Shin, Geunhwan Kim, YoungSang Hwang, Juho Kim, Youngmin Choo, Journal of the Acoustical Society of America, 2023
"Reformulation of frequenct-difference matched - field processor for high-frequency known-source localization"
Minseuk Park, Youngmin Choo, Jongkwon Choi, Keunhwa Lee, Journal of the Acoustical Society of America, 2023
"3D Off-Grid Localization for Adjacent Cavitation Noise Sources Using Bayesian Inference"
Minseuk Park, Sufyan Ali Memon, Geunhwan Kim, Youngmin Choo, Sensors, 23(5), 2023
"Ray-Based Analysis of Subcritical Scattering from Buried Target"
Yeon-Seong Choo, Giyung Choi, Keunhaw Lee, Sung-Hoon Byun and Youngmin Choo, J. Mar. Sci. Eng., 11(2), 2023
"Bi-Sphere Anomaly Detection With Learnable Centroid for Active Sonar Classification"
Geunhwan Kim, Youngmin Choo, IEEE Access, 10, 2022
"Passive Sonar Target Identification using Multiple-Measurement Sparse Bayesian Learning"
Myoungin Shin, Wooyoung Hong, Keunhwa Lee and Youngmin Choo, Sensors, 22(21), 2022.
"Design of Generalized Sinusoidal Frequency Modulated Pulse Train Waveform to Improve Tracking Performance of High Duty Cycle Sonar Systems"
Geunhwan Kim, Seokjin Lee, Kyungsik Yoon, Changsoo Ryu, Minseuk Park, Youngmin Choo, IEEE Access, 10, 2022
"Three-dimensional off-grid localization of incipient tip vortex cavitation using Bayesian inference"
Minseuk Park, Youngmin Choo, Ocean Engineering, 261(1), 2022.
"Optimal Search for Underwater Targets for Ships Equipped with Hull Mounted Sonar Using Genetic Algorithm"
YoungSang Hwang, DongHoon Ha, Journal Advances in Military Technology, 17(1), 2022.
"Underwater Acoustic Signal Detection Using Calibrated Hidden Markov Model with Multiple Measurements"
Heewon You, Youngmin Choo, Sensors, 22(14), 2022.
"Broadband Off-Grid DOA Estimation Using Block Sparse Bayesian Learning for Nonuniform Noise Variance"
Youngmin Choo, Haesang Yang , IEEE Journal of Oceanic Engineering, 2022.
"Active Underwater Target Detection Using a Shallow Neural Network With Spectrogram-Based Temporal Variation Features"
Youngmin Choo, Keunhwa Lee, Wooyoung Hong, Sung-Hoon Byun, Haesang Yang , IEEE Journal of Oceanic Engineering, 2022.
"Observation of the Relationship between Ocean Bathymetry and Acoustic Bearing-Time Record Patterns Acquired during a Reverberation Experiment in the Southwestern Continental Margin of the Ulleung Basin, Korea "
Youngcheol Jung, Keunhwa Lee, J. Marine Sci. and Eng., 9(11), 2021.
"Near-field target strength of finite cylindrical shell in water "
Keunhwa Lee, Yeon-Seong Choo, Giyung Choi, Youngmin Choo, Sung-Hoon Byun and Kookhyun Kim, Applied Acoustics, 182, 2021.
Myoungin Shin, Wooyoung Hong, Keunhwa Lee and Youngmin Choo, Sensors, 17, 2021.
"An Enhanced Smmothed L0-Norm Direction of Arrival Estimation Method Using Covariance Matrix "
Ji Woong Paik, Wooyoung Hong and Jun-Ho Lee, Sensors, 13, 2021.
“Direction-of-Departure and Direction-of-Arrival Estimation Algorithm Based on Compressive Sensing: Data Fitting”
Ji Woong Paik, Wooyoung Hong and Joon-Ho Lee, Remote Sensing, 12, 2020.
"Incipient tip vortex cavitation localization using block-sparse compressive sensing“
Minseuk Park, Yongsung Park, Keunhwa Lee and Woojae Seong, Journal of the Acoustical Society of America, 147, 2020.
"A Depth-Bistatic Bottom Reverberation Model and Comparison with Data from an Active Triplet Towed Array Experiment“
Youngcheol Jung, Woojae Seong, Keunhwa Lee and Seongil Kim, Applied Sciences-Basel, 10, 2020.
“Detection of Direction-Of-Arrival in Time Domain Using Compressive Time Delay Estimation with Single and Multiple Measurements”
Youngmin Choo, Yongsung Park and Woojae Seong, Sensors, 20, 2020.
“Underwater Signal Analysis in the Modulation Spectrogram with Time Frequency Reassignment Technique”
Hyunjin CHO, Wan Jin KIM and Wooyoung HONG, IEICE Transactions On Fundamentals Of Electronics Communications And Computer Sciences, E102A, 2019.
“A study of the effectiveness analysis for survivability of a surface warship from a torpedo attack”
Hyunjin Cho, Myoungin Shin, Jinho Lee, Wan-Jin Kim, Woo Shik Kim and Wooyoung Hong, Journal Of Simulation, 13, 2019.
“Tonal Signal Detection in Passive Sonar Systems Using Atomic Norm Minimization”
Jinhong Kim, Junhan Kim, Luong Trung Nguyen, Byonghyo Shim and Wooyoung Hong, EURASIP Journal On Advances In Signal Processing, 2019, 2019.
"Split-step Pade solver for three-dimensional Cartesian acoustic parabolic equation in stair-step representation of ocean environment"
Keunhwa Lee, Woojae Seong and Youngnam Na, Journal Of The Acoustical Society Of America, 146, 2019.
"Three-dimensional Cartesian parabolic equation model with higher-order cross-terms using operator splitting, rational filtering, and split-step Pade algorithm"
Keunhwa Lee, Woojae Seong and Youngnam Na, Journal Of The Acoustical Society Of America, 146, 2019.
"Acoustic classification of surface and underwater vessels in the ocean using supervised machine learning“
Jongkwon Choi, Youngmin Choo and Keunhwa Lee, Sensors, 19, 2019.
"Optimal operating depth search for active towed array sonar using simulated annealing"
Sangkyum An, Keunhwa Lee and Woojae Seong, Defence Science Journal, 69, 2019.
“Reverberation Level Modeling via Coupled Mode Approach in Shallow Water Sound Channel with Internal Solitary Waves”
Jungyong Park, Haesang Yang, Woojae Seong and Youngmin Choo, Journal of Theoretical and Computational Acoustics, 27, 2019.
“Broadband acoustic signal variability induced by internal solitary waves and semidiurnal internal tides in the northeastern East China Sea”
Jungyong Park, Woojae Seong, Haesang Yang, SungHyun Nam, Seung-Woo Lee and Youngmin Choo, Journal of the Acoustical Society of America, 146, 2019.
“Statistics on noise covariance matrix for covariance fitting-based compressive sensing direction-of-arrival estimation algorithm: For use with optimization via regularization”
Ji Woong Paik, Wooyoung Hong, Jae-Kyun Ahn and Joon-Ho Lee, Journal Of The Acoustical Society Of America, 143, 2018.
“Accurate Target Motion Analysis from a Small Measurement Set Using RANSAC”
Hyunhak SHIN, Bonhwa KU, Wooyoung HONG and Hanseok KO , IEICE Transactions On Information And Systems, 101D, 2018.
"Damage detection on an aluminum plate from the cross-correlation of diffuse field using the support vector machine"
Sunah Jung, Woojae Seong and Keunhwa Lee, Ocean Engineering, 161, 2018.
"Time delay estimation based on log-sum and Lp-norm penalized minor component analysis"
Jun-Seok Lim, Hee-Suk Pang and Keunhwa Lee, Journal Of The Acoustical Society Of America, 143, 2018.
"Model-data comparison of high frequency compressional wave attenuation in water-saturated granular medium with bimodal grain size distribution"
Haesang Yang, Woojae Seong and Keunhwa Lee, Ultrasonics, 82, 2018.
“Modeling of long-range reverberation signal for rough bottom consisting of polygon facets”
Youngmin Choo and Woojae Seong, Journal of Theoretical and Computational Acoustics, 26, 2018.
“Multiple snapshot grid free compressive beamforming”
Yongsung Park, Youngmin Choo and Woojae Seong, Journal of the Acoustical Society of America, 143, 2018.
“Compressive Sound Speed Profile Inversion Using Beamforming Results”
Youngmin Choo and Woojae Seong, Remote Sensing, 10, 2018.
“Stealth path planning for a high speed torpedo-shaped autonomous underwater vehicle to approach a target ship”
Jonghoek Kim, Sanghoek Kim and Youngmin Choo, Cyber-Physical Systems, 4, 2018.
“Enhancing model composability and reusability for entity-level combat simulation: A conceptual modeling approach”
Kyung-Min Seo, Wooyoung Hong and Tag Gon Kim, Simulation-Transactions Of The Society For Modeling And Simulation International, 93, 2017.
"Estimation of the roll angle in a triplet towed array using oceanic surface-generated ambient noise"
Keunhwa Lee, Woojae Seong and Seongil Kim, Journal Of The Acoustical Society Of America, 142, 2017.
"Ray-Based Model for Spatial Coherence of Ocean-Surface-Generated Noise and Its Approximation in a Triplet Array"
Keunhwa Lee and Woojae Seong, IEEE Journal of Oceanic Engineering, 42, 2017.
“Compressive time delay estimation off the grid”
Yongsung Park, Woojae Seong and Youngmin Choo, Journal of the Acoustical Society of America, 141, 2017.
“Time-domain Helmholtz-Kirchhoff integral for surface scattering in a refractive medium”
Youngmin Choo, H. C. Song and Woojae Seong, Journal of the Acoustical Society of America, 141, 2017.
"Efficient Algorithm for Long-Range Monostatic Reverberation in Shallow Water Using Geometrical Ray-Bundle"
Youngmin Choo, Woojae Seong and Keunhwa Lee, Journal of Computational Acoustics, 24, 2016.
"Percus-Yevick radial distribution function calculation for a water-saturated granular medium"
Keunhwa Lee and Woojae Seong, Oceanic Engineering, 116, 2016.
"Noise Localization Method for Model Tests in a Large Cavitation Tunnel Using a Hydrophone Array"
Cheolsoo Park, Gun-Do Kim, Young-Ha Park, Keunhwa Lee and Woojae Seong, Remote Sensing, 8, 2016.
“Compressive spherical beamforming for localization of incipient tip vortex cavitation”
Youngmin Choo and Woojae Seong, Journal Of The Acoustical Society Of America, 140, 2016.
“Underwater Radiated Signal Analysis in the Modulation Spectrogram Domain”
Hyunjin CHO, Junseok LIM, Bonhwa KU, Myoungjun CHEONG, Iksu SEO, Hanseok KO and Wooyoung HONG, IEICE Transactions On Fundamentals Of Electronics Communications And Computer Sciences, E98-A, 2015.
"Acoustic Rayleigh scattering in water-saturated granular medium with quasicrystalline approximation"
Keunhwa Lee, Haesang Yang and Woojae Seong, Journal of the Acoustical Society of America, 137, 2015.
“Characteristics of Acoustic Channel with Time-evolving Regular Surface”
Youngmin Choo, Woojae Seong, Keunhwa Lee and Wooyoung Hong, International Journal Of Offshore And Polar Engineering, 24, 2014.
“Modeling and Analysis of Monostatic Seafloor Reverberation from Bottom Consisting of Two Slopes”
Youngmin Choo, Woojae Seong and Wooyoung Hong, Journal Of Computational Acoustics, 22, 2014.
“ELM (Extreme Learning Machine) Based Correlated Interference Canceller for Small Aperture Array Antenna”
Junseok LIM, Heesuk PANG and Wooyoung HONG, Radioengineering, 23, 2014.