Publications

[2025]

1. [SCI, Corresponding author] "Vibrational physics-guided neural network for dynamic characterization of 3D-printed soft auxetic structures"
   Dohyun Ahn+, Taeyong Park+, Yunho Lee+, Yewon Jang, Jaehwan Kim*, Yunsang Kwak*
   To be submitted soon.

2. [SCI, Corresponding author] "Noise-robust diagnosis of rotating machinery via cross-level fusion network with multimodal data"
   Seon-Gyu Kim+, Yunsang Kwak*
   Under review.

3. [SCI, Corresponding author] "Domain-collaborative multimodal transformer for fault diagnosis of rotating machines under noisy environments"
   Seon-Gyu Kim+, Taeyong Park, Ryuna Kang, Yunsang Kwak*
   Under review.

4. [KCI, Corresponding author] "Explainable AI-based prediction of seatbelt BSR noise via design parameter-based vibration analysis"
   Chanmin Park+, Semin Park, Jaeyeong Hong, Sunghun Ha, Jonghyun Im, Joohwan Son, Yunsang Kwak*
   Transactions of the Korean Society for Noise and Vibration Engineering, 2025. Accepted

5. [SCI, Corresponding author] "Generative-assisted multi-stage integrated network: Tackling extreme noise in image denoising"
   Taeyong Park+, Muhammad Sohail Ibrahim+, Minseok Kim, Zahyun Ku, Yunsang Kwak*
   Results in Engineering (JCR 2023-5.2%), 1st revision.

[2024]

6. [SCI, Corresponding author] "Wave propagation approaches for design optimization of asymmetric double-layer gold gratings: logic- and learning-based perspectives"
   Ryuna Kang+, Jehwan Hwang+, Jun Oh Kim, Zahyun Ku, Yunsang Kwak*
   Advanced Theory and Simulations (JCR 2023-23.5%). [Link]

7. [SCI, Corresponding author] "Localized defect evaluation method based on beam-coupled vibration"
   Chanmin Park+, Semin Park, Junhong Park, Yunsang Kwak*
   Journal of Sound and Vibration (JCR 2023-6.2%). [Link].

8. [SCI, Co-author] "Machine reading and recovery of colors for hemoglobin-related bioassays and bioimaging"
   Sang Mok Park+, Semin Kwon, Yuhyun Ji, Haripriya Sakthivel, Jung Woo Leem, Yunsang Kwak, Jonathan Huang, George T.-C. Chiu, Andrew R. O'Brien, Raymond L. Konger, Ying Wang, Young L. Kim*,
   Science Advances (JCR 2023-7.8%). 1st revision.

9. [SCI, Corresponding author] "Wave propagation-based characterization of 3D-printed soft auxetic structures"
   Taeyong Park+, Yewon Jang+, Dohyun Ahn, Yunho Lee, Yunsang Kwak*, Jaehwan Kim*
   Composite Structures (JCR 2023-5.0%). [Link]

10. [SCI, Corresponding author] "Ultrafast high-temperature sintering of reaction bonded SiC with Y2O3-Al2O3 sintering additives"
    Sangha Shin+, Minsu Kim, Minwook Kim, Unseo Kim, Seon-Gyu Kim, Yunsang Kwak*, Jaehun Cho*
    Materials Letters (JCR 2023-42.2%). [Link]

11. [KCI, Corresponding author] "Characterization of gasoline direct injection engine noise incorporated with impulsive injection noise from high-pressure injectors"
    Ryuna Kang+, Junhong Park, Yunsang Kwak*
    Transactions of the Korean Society for Noise and Vibration Engineering, 2024. [Link]

12. [SCI, Co-author] "Flash sintering of AlN ceramics with Y2O3 additive"
    Unseo Kim+,Nafees Hassan+, Kati Raju, Seon-Gyu Kim, Minsoo Kim, Juyeong Lee, Seunghwan Moon, Minwook Kim, Sangha Shin, Yunsang Kwak, Sung-Soo Ryu, Jaehun Cho*
    Ceramics International (JCR 2023-8.1%). [Link]

13. [SCI, Co-author] "Ultrafast high-temperature sintering of aluminum nitride"
    Minwook Kim+, Unseo Kim+, Seon-Gyu Kim, Yunsang Kwak, Sung-Soo Ryu, Jaehun Cho*
    Journal of the European Ceramic Society (JCR 2023-4.8%). [Link].

14. [SCI, Corresponding author] "Static and Dynamic Mechanical Properties of Aluminum Nitride-Silicon Carbide Whisker Composites"
    Juyeong Lee+, Minsu Kim+, Semin Park+, Seon-Gyu Kim, Jiseok Kwon, Yunsang Kwak*, Jaehun Cho*,
    Journal of Alloys and Compounds (JCR 2023-8.3%). [Link]

15. [KCI, Corresponding author] "Face mask recognition AI-algorithm with MobileNetV2-based neural network for automatic door control in Intensive Care Unit (ICU)"
    Chanmin Park+, Wojong Kim, Min Seob Park, Taeyong Park, Yunsang Kwak*,
    Journal of the Korean Society for Precision Engineering, 2024. [Link]

[2023]

16. [SCI, Corresponding author] "Numerical investigation of heat transfer in aluminum nitride ceramics with engineered microstructures"
    Semin Park+, Minsu Kim+, Seon-Gyu Kim, Sangha Shin, Byeongho Ahn, Sung-Soo Ryu, Jaehun Cho*, Yunsang Kwak*
    Materials Letters (JCR 2022-42.8%). [Link]

[2022]

17. [SCI, Co-author] "Edible matrix code with photogenic silk proteins"
    Jung Woo Leem+, Heejae Jeon, Yuhyun Ji, Sang Mok Park, Yunsang Kwak, Jongwoo Park, Kee-Young Kim, Seong-Wan Kim, Young L. Kim*
    ACS Central Science (JCR 2020-9.27%). [Link]

[ - 2021]

18. [SCI, 1st author] “Ultrasonic assessment of osseointegration phenomena at the bone-implant interface using convolutional neural network”
    Yunsang Kwak+, Vu-Hieu Nguyen, Yoann Hériveaux, Pierre Belanger, Junhong Park, Guillaume Haïat*
    Journal of the Acoustical Society of America, 2021. [Link]

19. [SCI, 1st author] “Convolutional neural network trained with synthesized pseudo-images for detecting an acoustic source”
    Yunsang Kwak+, Deukha Kim, Hyukju Ham, Junhong Park*
    Applied Acoustics, 2021. [Link]

20. [SCI, Co-author] “Compressive recovery of smartphone RGB spectral sensitivity functions”
    Yuhyun Ji, Yunsang Kwak, Sang Mok Park, Young L. Kim*
    Optics express, 2021. [Link]

21. [SCI, 1st author] “A pearl spectrometer”
    Yunsang Kwak+, Sang Mok Park, Zahyun Ku, Augustine M. Urbas, Young L. Kim*
    Nano Letters, 2020 (Cover art). [Link]

22.  [SCI, 1st author] “Rattle noise source localization through the time reversal of dispersive vibration signals on a road vehicle”
    Yunsang Kwak+, Sang Mok Park, Jongho Lee, Junhong Park*
    Wave Motion, 2020. [Link]

23. [SCI, 1st author] “Direct evaluation method to measure permittivity and conductivity of thin layers via wave approach in the THz region”
    Yunsang Kwak+, Sang Mok Park, Sinyeob Lee, Hak-Sung Kim, Ju Lee, Junhong Park*
    AIP Advances, 2019. [Link]

24. [SCI, Co-author] “Nondestructive spot weld quality evaluation by measurement of structural vibration transfer through joined panels”
    Sang Mok Park+, Yunsang Kwak, Jongho Lee, Junhong Park*
    Journal of nondestructive evaluation, 2019. [Link]

25. [KCI, 1st author] “Experimental study to investigate the structural integrity of welded vehicle structure for BSR noise by vibration measurement”
    Yunsang Kwak+, Jongho Lee, Junhong Park*
    The Journal of the Acoustical Society of Korea, 2019. [Link]

26. [SCI, Co-author] “Investigation of the perception characteristics of multiple impact sounds occurring from the manipulation of electronic devices”
    Seongyoung Jeong+, Buhm Park, Yunsang Kwak, Junhong Park*
    Journal of Mechanical Science and Technology, 2019. [Link]

27. [SCI, 1st author] “Dynamic properties of bolted joints in laminated composites evaluated using flexural wave propagation”
    Yunsang Kwak+, Sang Mok Park, Junhong Park*
    Mechanics Research Communications, 2018. [Link]

28. [SCI, 1st author] “Effect of substrates on the dynamic properties of inkjet-printed Ag thin films”
    Yunsang Kwak+, Deokman Kim+, Junhong Park*
    Applied sciences, 2018. [Link]

29. [SCI, 1st author] “Effect of the static compressive load on vibration propagation in multistory buildings and resulting heavyweight floor impact sounds”
    Yunsang Kwak+, Sinyeob Lee, Jeongwon Park, Dukyoung Hwang, Jin Yong Jeon, Junhong Park*
    Journal of the Acoustical Society of America, 2017. [Link]

30. [SCI, Co-author] “Study on the optimal design of PMa-SynRM loading ratio for achievement of ultrapremium efficiency”
    Dong-Hoon Jung, Yunsang Kwak, Ju lee, Chang-Sung Jin
    IEEE Transactions on Magnetics, 2017. [Link]

31. [SCI, Co-author] “Temporal and spectral characteristics of BSR noises and influence on auditory perception”
    Jongho Lee+, Sinyeob Lee, Yunsang Kwak, Boseung Kim, Junhong Park*
    Journal of Mechanical Science and Technology, 2015. [Link]

• "심장 부정맥 분류를 위한 인공신경망 모델 학습 방법 및 인공 신경망 모델을 이용한 심장 부정맥 분류 시스템 (LEARNING METHOD OF ARTIFICIAL NEURAL NETWORK MODEL FOR CARDIAC ARRHYTHMIA CLASSIFICATION AND CARDIAC ARRHYTHMIA CLASSIFICATION SYSTEM USING ARTIFICIAL NEURAL NETWORK MODEL)", Yunsang Kwak, Jongwook Park, Jihoon Lim, Wanjae Kang, Yeonju Ryu, 10-2024-0163586 (2024)

• "실제 환경에서의 특징 시각화 딥러닝 알고리즘을 이용한 소리 신호 분류 방법 및 그 시스템 (A METHOD FOR CLASSIFYING SOUND SIGNALS USING A DEEP LEARNING ALGORITHM FOR FEATURE VISUALIZATION IN A REAL ENVIRONMENT AND ITS SYSTEM)",  Yunsang Kwak, Jongwook Park, Dohyun Ahn, Jinhyuk Park, Korea Patent, 10-2024-0153750 (2024)

• "신경망 모델에 기초하여 방문객의 마스크 착용 여부를 판단하여 도어의 개폐 여부를 결정하는 도어 장치 및 그 제어 방법 (DOOR DEVICE FOR DETERMINING OPENING AND CLOSING OF DOOR BY DETERMINING VISITOR IS WEARING MASK BASED ON NEURAL NETWORK MODEL AND MOTHOD FOR CONTROLLING THEREOF)", Yunsang Kwak,  Chanmin Park, Taeyong Park, Minseob Park, Wojong Kim, Korea Patent, 10-2024-0016175 (2024)

• “진동 모델링을 이용한 복합재의 동적 물성 특성을 평가하는 방법 및 그 장치 (Method for evaluating dynamic mechanical properties of composite materials using vibration modeling and apparatus thereof)”, Yunsang Kwak, Jaehun Cho, Semin Park, Seon-Gyu Kim, Minsu Kim, Juyoung Lee, Korea Patent, 10-2023-0152944 (2023)

• “3차원 프린팅 격자구조물의 동적 특성을 평가하는 방법 및 시스템 (Method for evaluating dynamic characteristics of 3D printed lattice structures and systems thereof)”, Yunsang Kwak, Jaehwan Kim, Taeyong Park, Dohyun Ahn, Yewon Jang, Korea Patent, 10-2023-0130204 (2023)

• “부분 공진을 이용한 구조물의 결함 검출 및 그 장치 (Method for detecting defects in structures based on a vibration and apparatus thereof)”, Yunsang Kwak, Semin Park, Chanmin Park, Korea Patent, 10-2023-0118541 (2023)

• “인공 신경망을 이용한 회전 기계의 고장 진단 시스템 및 그 방법 (System for diagnosing fault in rotating equipment based on artificial intelligence and method)”, Yunsang Kwak, Ryuna Kang, Seon-Gyu Kim, Taeyong Park, Hyerim Baek, Korea Patent 10-2022-0112079 (2022)

• “Pearl-inspired hyperspectral filter array”, Young L. Kim, Yunsang Kwak, Jungwoo Leem, US Patent US20220146727A1 (2022)

• “Welding evaluation method based on dynamic element by measuring vibrations on welded joint structure”, Yunsang Kwak, Sang Mok Park, Junhong Park, Korea Patent 10-1825054 (2018)

• “Joining quality diagnosis device of panel element”, Yunsang Kwak, Junhong Park, US Patent 10254251B2 (2019) & Korea Patent 10-1865745 (2018)

• “Hole detection method of vehicle and system performing the same”, Yunsang Kwak, Sangkeun Ahn, Junhong Park, US Patent 9863835B2 (2018) & China Patent 201613090606.X (2016) & Korea Patent 10-1776729 (2017)