Conference Papers

Conference Papers and Abstracts

1. 권대현, 강한빛, 김윤철. "극좌표 변환 심전도 영상 시각화 및 딥러닝 부정맥 예측 분석" 한국인공지능융합기술학회 춘계학술대회 (2025.05.17) - 우수 발표 논문상 (Excellent Paper Award) KAICTS-2025-017호. P-9

2. 지성현, 김윤철. "심전도 다중라벨 딥러닝 분류기를 활용한 질환 진단 분석" 한국인공지능융합기술학회 춘계학술대회 (2025.05.17) - 우수 발표 논문상 (Excellent Paper Award) KAICTS-2025-018호. P-14

3. 유채운, 김지우, 김윤철. "뇌혈관 영상에서 허위 중심선 탐지를 위한 머신러닝 기술" 한국인공지능융합기술학회 춘계학술대회 (2025.05.17) P-5

4. 박성현, 박찬영, 윤훈석, 김윤철. "딥러닝 기반 뇌혈관 영상 인페인팅 기술 개발" 한국인공지능융합기술학회 춘계학술대회 (2025.05.17) P-6

5. 이윤성, 권대현, 김윤철. "학습 데이터 퀄리티가 딥러닝 기반의 복부 CT 영상 분할 성능에 미치는 영향 분석" 한국인공지능융합기술학회 춘계학술대회 (2025.05.17) P-10

6. 유채운, 김지우, 김세온, 김윤철, "Machine Learning Detection of Spurious Centerlines of the Internal Carotid Arteries in TOF-MRA", ICMRI2024, Seoul, Korea, 2024_KA-040, November 8, 2024. (E-poster presentation) 

7. 권대현, 강한빛, 김윤철. "극좌표 변환 시간-주파수 심전도 데이터로부터 딥러닝 기반 심방세동 예측",  대한의용생체공학회 춘계학술대회, May 2024 (Poster)

8. 강한빛, 김윤철. "극좌표 스케일로그램 기반 심전도 신호의 시각화 기법 연구",  대한의용생체공학회 춘계학술대회. May 2024 (Poster)

9. 오정민, 김윤철. "MRA영상에서 뇌동맥류 위험도 예측을 위한 혈관 분석 소프트웨어". 대한의용생체공학회 춘계학술대회. May 2024 (Poster)

10. 지성현, 김윤철. "12-리드 심전도 다중라벨 합성곱신경망 분류기를 사용한 심장질환 진단: 리드수와 전처리 필터타입이 성능에 미치는 영향 분석".  대한의용생체공학회 춘계학술대회. May 2024 (Poster)

11. YC Kim, YH Choe. "Automatic myocardial perfusion reserve index (MPRI) quantification using uncertainty-based deep learning segmentation and landmark detection: A pilot study", Korean Congress of Radiology, September 17-19, 2020. (E-Poster Presentation) 

12. YC Kim, YH Choe. "Investigation of polar transformed myocardial segments for deep learning lesion detection in late gadolinium enhancement", ASMRM&ICMRI2020, Virtual Congress, Seoul, Korea, 2020_KA-109, Nov 3, 2020. (E-Poster)

13. YC Kim, MW Kim, YH Choe. "Automatic long-axis image estimation from a stack of short-axis slices for assessment of inconsistency of patient’s heart position", ASMRM&ICMRI2020, Virtual Congress, Seoul, Korea, 2020_KA-041, Nov 3, 2020. (E-Poster)

14. YC Kim, IY Baek, JE Lee, HN Song, WK Seo. "Automatic feature extraction and machine learning prediction of stroke functional outcome based on histogram information of baseline ADC", Proceedings of ISMRM, Sydney, Australia, April 21, 2020, program number = 1903 (Digital Poster).

15. YC Kim, YH Choe. "Segmental assessment of myocardial late gadolinium enhancement based on weakly supervised learning", Proceedings of ISMRM, Sydney, Australia, April 21, 2020, program number = 2231 (Digital Poster).

16. YC Kim, HJ Kim, JW Chung, IG Kim, KH Kim, P Jeon, WK Seo, GM Kim, OY Bang. "Novel Estimation of Penumbra Zone based on Infarct Growth using Machine Learning Techniques in Acute Ischemic Stroke", JKJSC 2019. PO-215, 16 Nov 2019, Incheon, Korea (Best Poster Presentation Award).

17. WK Seo, HN Song, JE Lee, YC Kim, IY Baek, YS Kim, JW Chung, JY Yeon, OY Bang, GM Kim, KH Kim, JS Kim, SC Hong, P Jeon. "Intracranial arterial tortuosity and unruptured cerebral aneurysm", JKJSC 2019. 15 Nov 2019, Incheon, Korea (Oral Presentation).

18. YC Kim, JE Lee, IW Yu, IY Baek, HG Jeong, BJ Kim, JK Seong, JW Chung, OY Bang, WK Seo. "Evaluation of U-net segmentation models for infarct volume measurement in acute ischemic stroke: comparison with fixed ADC threshold-based methods", SPIE Medical Imaging, San Diego, USA, 20 February 2019 (Poster Presentation).

19. KR Kim, YC Kim, YH Choe. "Accelerated voxelwise mapping in Python using pybind11 and C++", ICMRI, Grand Walker Hill Hotel, Seoul, Korea, March 2019, PP-AD-12. (Poster)

20. YC Kim, KR Kim, YH Choe. "Myocardial segmentation in dynamic contrast enhanced perfusion using uncertainty estimation from a deep CNN model", ICMRI, Grand Walker Hill Hotel, Seoul, Korea, March 2019, PP-CV-09. (Best Poster Presentation Award, 2nd place)

21. NG Ho, YC Kim, YH Choe. "Cardiac short-axis slice range classification via transfer learning: Evaluation of seven popular deep CNNs", Proceedings of ISMRM, Montreal, Canada, May 14, 2019, p2133 (Digital Poster).

22. YC Kim, HN Song, JE Lee, IY Baek, WK Seo. "Quantitative measurements of three-dimensional vessel tortuosity for the cerebrovascular risk assessment: a pilot study ", Proceedings of ISMRM, Montreal, Canada, May 14, 2019, p2718 (Digital Poster).

23. YC Kim, JE Lee, IW Yu, IY Baek, JK Seong, WK Seo. "Diffusion lesion segmentation with deep learning in acute ischemic stroke: A combined use of DWI and ADC ", Proceedings of ISMRM, Montreal, Canada, May 14, 2019, p2732 (Digital Poster).

24. OY Bang, EH Choi, H Lee, JW Chung, WK Seo, GM Kim, CS Ki, YC Kim. "The Ring Finger Protein 213 Variant and Characteristics of Plaque, Vascular Remodeling and Hemodynamics in Patients With Intracranial Atherosclerotic Stroke: A High-Resolution MRI and Hemodynamic Study", Originally published, 1 Feb 2019, https://doi.org/10.1161/str.50.suppl_1.TP160 Stroke. 2019;50:ATP160 

25. YC Kim, JE Lee, HN Song, IY Baek, JK Seong, HG Jeong, BJ Kim, GM Kim, JW Chung, OY Bang, WK Seo. "Automatic segmentation of cerebral infarct using fully convolutional deep neural network in acute ischemic stroke",  International Conference Stroke Update, Seoul, Korea, 2018 (Oral Presentation)

26. YC Kim, HN Song, JE Lee, IY Baek, JK Seong, GM Kim, JW Chung, OY Bang, WK Seo. "Development of graphical user interface for quantification of intracranial vessel tortuosity in time-of-flight MR angiography", International Conference Stroke Update, Seoul, Korea, September 2018 (won Best Poster Presentation Award)

27. YC Kim, Kwanghee Choi, YH Choe. "Python graphical user interface with deep learning-based segmentation for cardiac LV analysis", Proceedings of ISMRM, Paris, France, June 20th, 2018, p4791 (E-poster).

28. KR Kim, YC Kim, IK Lee, YH Choe. "A novel myocardial segmentation method using a combination of CNN and bi-directional RNN", ICMRI, Seoul, Korea, March 2018, 2018_KA-056 (Power Pitch).

29. YC Kim, KH Choi, YH Choe. "U-net segmentation model applied to in-house user interfaces of cardiac cine and perfusion analysis", ICMRI, Seoul, Korea, March 2018, Abstract no. 2018_KA-057 (Poster).

30. YJ Chung, YC Kim, YH Choe. "Novel Python GUI for efficient labeling of myocardial contours in cardiac cine MRI", ICMRI, Seoul, Korea, March 2018, 2018_KA-085 (Power Pitch).

31. YC Kim, IK Lee, YH Choe. "Automatic myocardial segmentation in LGE using cardiac cine myocardial boundaries predicted by a CNN model", ICMRI, Seoul, Korea, March 2018, 2018_KA-196 (Poster).

32. T Sorensen, Z Skordilis, A Toutios, YC Kim, Y Zhu, J Kim, A Lammert, V Ramanarayanan, L Goldstein, D Byrd, K Nayak, S Narayanan. "Database of volumetric and real-time vocal tract MRI for speech science", Stockholm, Sweden, Proceedings of Interspeech, August 2017, p645-649.

33. YC Kim, MCK Khoo, KS Nayak. "Dynamic upper airway MRI during sleep onset: an experimental study," Mini-Symposia, 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, JeJu Island, S. Korea, July 13th, 2017.

34. YC Kim, EJ Kim, G Beck, H Peeters, YK Kim. "Retrospective reconstruction of hepatic arterial phases in gadoxetic acid-enhanced liver MR using continuous golden-angle radial sequence," Proceedings of ISMRM, Hawaii, April 24th, 2017, p3562.

35. YC Kim, YJ Chung, MW Kim, IK Lee, YH Choe. "Cardiac MR quantification and visualization with python," Proceedings of ICMRI and KSMRM, Seoul, Korea, March 2017, Abstract no. 2017_KA-107.

36. YC Kim, MW Kim, YH Choe. "Three-dimensional visualization of scar transmurality in LGE MRI," Proceedings of ICMRI and KSMRM, Seoul, Korea, March 2017, Abstract no. 2017_KA-133.

37. YJ Chung, YC Kim, YH Choe. "Python GUI implementation of training data generator for deep learning in cardiac cine MRI," Proceedings of ICMRI and KSMRM, Seoul, Korea, March 2017, Abstract no. 2017_KA-113.

38. IK Lee, YC Kim, YH Choe.  "A novel LV segmentation method for automatic and accurate scar quantification in LGE MRI," Proceedings of ICMRI and KSMRM, Seoul, Korea, March 2017, Abstrac no. 2017_KA-105.

39. S Lingala, A Toutios, J Toger, Y Lim, Y Zhu, YC Kim, C Vaz, S Narayanan, K Nayak. "State-of-the-art MRI protocol for comprehensive assessment of vocal tract structure and function," Proceedings of Interspeech 2016, San Francisco, CA, USA (Accepted)

40. YC Kim, YH Choe. "Automatic landmark detection in cardiac MR perfusion data using random forests classification," Proceedings of ICMRI and KSMRM, Seoul, Korea, March 2016 (Oral Presentation)

41. YC Kim, YH Choe. "Evaluation of spatial heterogeneity in myocardial perfusion using local fractal dimension," Proceedings of ICMRI and KSMRM, Seoul, Korea, March 2016 (Oral Presentation)

42. YC Kim, SM Kim, SJ Park, YH Choe. "Measurement of extracellular volume fraction and blood flow from dynamic contrast enhanced myocardial perfusion images applied in non-ischemic cardiomyopathy," Proceedings of ISMRM, Singapore, May 2016, p2606.

43. S Lingala, Y Zhu, YC Kim, A Toutios, S Narayanan, KS Nayak. "High spatio-temporal resolution multi-slice real-time MRI of speech using golden angle spiral imaging with constrained reconstruction, parallel imaging, and a novel upper airway coil," Proceedings of ISMRM, Toronto, Canada, June 2015, p689. (ISMRM Merit Awards: Magna Cum Laude)

44. YC Kim, SM Kim, YH Choe. "Custom graphical user interface based myocardial upslope analysis of first pass stress perfusion data in patients with hypertrophic cardiomyopathy," Proceedings of ICMRI and KSMRM, Seoul, Korea, March 2015, p41.

45. YC Kim, B Joshi, S Loloyan, R Kato, MCK Khoo, SLD Ward, KS Nayak. "Investigations of upper airway obstruction pattern in sleep apnea benefit from real-time 3D MRI," Proceedings of ISMRM, Milan, Italy, May 2014, p4387 (ISMRM Merit Awards: Magna Cum Laude).

46. YC Kim, KS Nayak. "Free-breathing cardiac 3D cine MRI at 3T using golden-ratio Cartesian radial sampling and variable flip angle," Proceedings of ISMRM, Milan, Italy, May 2014, p4364.

47. Z Wu, YC Kim, MCK Khoo, KS Nayak. "Novel upper airway compliance measurement using dynamic golden-angle radial FLASH," Proceedings of ISMRM, Milan, Italy, May 2014.

48. J Kim, A Toutios, YC Kim, Y Zhu, S Lee, S Narayanan. "USC-EMO-MRI corpus: An emotional speech production database recorded by real-time magnetic resonance imaging", 10th International Seminar on Speech Production, Cologne, Germany, May 2014.

49. YC Kim, J Kim, M Proctor, A Toutios, K Nayak, S Lee, S Narayanan. "Toward automatic vocal tract area function estimation from accelerated three-dimensional magnetic resonance imaging", Workshop on Speech Production in Automatic Speech Recognition, Lyon, France, August 2013.

50. YC Kim, S Loloyan, Z Wu, W Tran, R Kato, SLD Ward, MCK Khoo, KS Nayak. "Real-time MRI can differentiate sleep-related breathing disorders in children," Proceedings of ISMRM, Salt Lake City, USA, April 2013, p251 (Oral Presentation, ISMRM Merit Awards: Magna Cum Laude).

51. YC Kim, M Proctor, MCK Khoo, S Narayanan, KS Nayak. "Caught sleeping: capturing snoring during a real-time MRI scan," Proceedings of ISMRM, Salt Lake City, USA, April 2013, p1235.

52. Z Wu, YC Kim, MCK Khoo, KS Nayak. "Evaluation of an Independent Linear Model for MRI Acoustic Noise and Implications for Acoustic Noise Reduction," Proceedings of ISMRM, Salt Lake City, USA, May 2013, p2714.

53. YC Kim, RM Lebel, MCK Khoo, KS Nayak. "Imaging of the pharyngeal airway during sleep using 3DFT golden-angle radial spokes sampling, " ISMRM Data Sampling and Image Reconstruction Workshop, Sedona, AZ, USA, Feb 2013 (Poster p8).

54. S Loloyan, RM Kato, YC Kim, Z Wu, K Nayak, MCK Khoo, L Yin, TG Keens, SLD Ward. "Upper airway closure during central apneas in obese adolescents demonstrated by real-time MRI," Proceedings of American Thoracic Society, Philadelphia, PA, USA, May 2013 (Poster Board #721, Publication Page: A5480).

55. YC Kim, M Khoo, K Nayak. "Investigation of sleep apnea characteristics using dynamic magnetic resonance imaging, " Los Angeles, CA, USA, August 10, Friday, 2012, BIO-PP-24 (poster).

56. YC Kim, Z Wu, W Tran, S Loloyan, SLD Ward, MCK Khoo, KS Nayak. "Imaging of the pediatric upper airway: Novel MRI-based acquisition methods," Proceedings of IEEE-EMBC, San Diego, USA, 2012 (Invited Talk).

57. YC Kim, N Katsamanis, M Proctor, S Narayanan, KS Nayak. "Pseudo golden-ratio spiral imaging with gradient acoustic noise cancellation: application to real-time MRI of fluent speech," Proceedings of ISMRM, Melbourne, Australia, May 2012, p4209.

58. YC Kim, RM Lebel, MCK Khoo, KS Nayak. "Dynamic 3D MRI of upper airway collapse during inspiratory loading," Proceedings of ISMRM, Melbourne, Australia, May 2012, p4233.

59. YC Kim, X Wang, W Tran, MCK Khoo, KS Nayak. "Measurement of upper airway compliance using dynamic MRI," Proceedings of ISMRM, Melbourne, Australia, May 2012, p3688 (ISMRM Merit Awards: Magna Cum Laude).

60. Y Zhu, YC Kim, M Proctor, S Narayanan, KS Nayak. "Towards dynamic 3D MRI of speech," Proceedings of ISMRM, Melbourne, Australia, May 2012, p294 (ISMRM Merit Awards: Magna Cum Laude).

61. D Bone, M Proctor, YC Kim, S Narayanan. "The human vocal instrument: Visualizing tongue shaping in speech sound production," The 162nd Meeting of the Acoustical Society of America, San Diego, CA, USA, Nov 2011, 4pSCb7 (Lay Language Papers).

62. YC Kim, M Proctor, S Narayanan, KS Nayak. "Visualization of vocal tract shape using interleaved real-time MRI of multiple scan planes," Proceedings of Interspeech, Florence, Italy, August 2011 (Oral Presentation).

63. S Narayanan, E Bresch, P Ghosh, L Goldstein, N Katsamanis, YC Kim, A Lammert, M Proctor, V Ramanarayanan, Y Zhu. "A Multimodal real-time MRI articulatory corpus for speech research," in: Proceedings of Interspeech, Florence, Italy, August 2011.

64. YC Kim, M Proctor, S Narayanan, KS Nayak. "Time-interleaved imaging of arbitrary scan planes applied to real-time speech MRI," Proceedings of ISMRM, Montreal, Canada, May 2011, p2454.

65. Y Zhu, YC Kim, M Proctor, S Narayanan, KS Nayak. "Dynamic 3D visualization of vocal tract shaping during speech," Proceedings of ISMRM, Montreal, Canada, May 2011, p4355.

66. YC Kim, S Narayanan, KS Nayak. "Improved real-time MRI of oral-velar coordination using a golden-ratio spiral view order," Proceedings of Interspeech, Makhuhari, Japan, September 2010, p1580-1583.

67. YC Kim, S Narayanan, KS Nayak. "Flexible retrospective selection of temporal resolution in real-time speech MRI using a golden-ratio spiral view order," Proceedings of ISMRM, Stockholm, Sweden, May 2010, p4967.

68. YC Kim, JL Go, S Banerjee, M Law, HH Hu, KS Nayak. "Dynamic magnetic resonance imaging of the temporomandibular joint at 3 Tesla using a gradient echo sequence," Proceedings of ISMRM, Stockholm, Sweden, May 2010, p2411.

69. J Tepperman, E Bresch, YC Kim, S Lee, L Goldstein, SS Narayanan. "An articulatory analysis of phonological transter using real-time MRI," in: Proceedings of Interspeech, 2009.

70. YC Kim, S Narayanan, KS Nayak.  "Accelerated 3D MRI of vocal tract shaping using compressed sensing and parallel imaging," Proceedings of ICASSP, Taipei, Taiwan, April 2009, p389-392 (Lecture Presentation).

71. YC Kim, CE Hayes, S Narayanan, KS Nayak. "Parallel imaging of the upper airway with a novel 16-channel tongue coil," Proceedings ISMRM Seventeenth Scienti.c Sessions, Hawaii, USA, April 2009, p1317 (Traditional Poster).

72. YC Kim, S Narayanan, KS Nayak.  "Ultra-high resolution 3D upper airway MRI with compressed sensing and parallel imaging," Proceedings ISMRM Seventeenth Scientific Sessions, Hawaii, USA, April 2009, p382 (Oral Presentation).

73. HL Lee, YC Kim, A Shankaranarayanan, KS Nayak. "Auto-calibrated parallel imaging using the unused echo in alternating TR SSFP," Proceedings ISMRM Seventeenth Scientific Sessions, Hawaii, USA, April 2009, p768 (Oral Presentation).

74. YC Kim, SS Narayanan, KS Nayak. "Rapid three-dimensional magnetic resonance imaging of vocal tract shaping using compressed sensing," The Journal of Acoustical Society of America, Portland, Oregon, USA, Vol. 125, Issue: 4, April 2009, pp. 2498-2498.

75. J Tepperman, E Bresch, YC Kim, L Goldstein, D Byrd, KS Nayak, S Narayanan. "Articulatory analysis of foreign-accented speech using real-time MRI," The 157th Meeting of the Acoustical Society of America, Portland, Oregon, USA, May 2009, 4pSW14.

76. YC Kim, KS Nayak, "Optimization of undersampled variable density spiral trajectories based on incoherence of spatial aliasing," Proceedings of ISMRM Sixteenth Scientific Sessions, Toronto, Canada, May 2008, p422 (Oral Presentation).

77. YC Kim, JF Nielsen, S Narayanan, D Byrd, KS Nayak. "Application of compressed sensing to 3D imaging of the vocal tract for speech MRI," Proceedings of ISMRM Sixteenth Scientific Sessions, Toronto, Canada, May 2008, p2003.

78. YC Kim, KS Nayak. "Optimally undersampled variable density spiral trajectories applied to real-time cardiac MRI at 3 Tesla," Proceedings of SCMR Eleventh Scientific Sessions, Los Angeles, CA, USA, Feb 2008, p213 (Oral Presentation).

79. YC Kim, JF Nielsen, S Narayanan, KS Nayak, "Edge detection using sub-sampled k-space data: application to upper airway MRI," Proceedings of ISMRM Fifteenth Scientific Sessions, Berlin, Germany, May 2007, p3458.

80. JF Nielsen, YC Kim, KS Nayak, "Reference-less echo-planar imaging (EPI) ghost correction in real-time cardiac MRI," Proceedings of ISMRM Fifteenth Scientific Sessions, Berlin, Germany, May 2007, p1832.

81. KH Sung, YC Kim, HH Hu, KS Nayak, "Double inversion recovery first-pass myocardial perfusion imaging at 3 Tesla", Proceedings of ISMRM Fifteenth Scientific Sessions, Berlin, Germany, May 2007, p2584.

82. YC Kim, JF Nielsen, KS Nayak, "Real-time oblique echo-planar imaging: ghosting artifact reduction in arbitrary scan orientations", Proceedings of ISMRM Fourteenth Scientific Sessions, Seattle, WA, USA, May 2006, p2350.

83. KH Sung, YC Kim, GM Pohost, KS Nayak, "Experiment and simulation-based optimization of blood-myocardium CNR in cardiac SSFP imaging", Proceedings of ISMRM Fourteenth Scientific Sessions, Seattle, WA, USA, May 2006, p3595.

84. YC Kim, JF Nielsen, KS Nayak, "Adaptive correction of echo-planar imaging (EPI) ghosting for real-time interactive MRI with arbitrary oblique scan planes", Proceedings of ISMRM workshop on Real-time MRI, Santa Monica, CA, USA, February 2006, p10.