Conference

Recent Publications on International Conferences (After 2000)

1. In_Sik Choi and Jong-Hee Kim. “3D Self-positioning Method Using Stepped-Frequency Radar and MMSE Estimator”, Proceedings of Innovative Computing 2024, Vol. 4, pp. 283-287, 2024. https://link.springer.com/chapter/10.1007/978-981-97-4182-3_10

2. Young-Jae Choi, Yong-Bin Kim, In-Sik Choi, “Measurement of the rotational speed of industrial wind turbine blades using a low cost 24GHz Doppler radar”, European Conference on Antennas and Propagation(EUCAP 2021), Mar. 22-26, 2021. 10.23919/EuCAP51087.2021.9411170

3. Yu-Jin Kim, Young-Jae Choi, In-Sik Choi, “Radar Image Analysis for Detection of Wind Turbine Blade Damage”, Progress In Electromagnetics Research Symposium(PIERS 2019), Jun.17-22, 2019.

4. Young-Jae Choi, In-Sik Choi, Yong-Hwan Jung, “Design of Integrated Mast Considering Both Antenna Interference and RCS”, 8th Asia-Pacific Conference on Antennas and Propagation, pp. 622-623, Aug.7, 2019.

5. Young-Jae Choi, In-Sik Choi, “Decision-level Fusion scheme of SVM and naïve Bayes Classifier for Radar Target Recognition”, International Symposium on Antennas and Propagation(ISAP 2018), pp.407-408, Oct.23-26, 2018. https://ieeexplore.ieee.org/abstract/document/8627799

6. Young-Jae Choi, Seung-Hwan Seol, In-Sik Choi, “Radar Target Identification Using a DTV-based Passive Radar in South Korea”, Progress In Electromagnetics Research Symposium(PIERS 2017), , Nov.19-22 2017. 10.1109/PIERS-FALL.2017.8293260

7. In-Sik Choi, "Direction of Arrival Estimation Using Particle Swarm Optimization-based SPECC", 2014 International Conference on Genetic and Evolutionary Methods, pp. 14-17, July 21-24, 2014, Las Vegas, USA (PDF)

8. In-Sik Choi, Seung-Jae Lee, "Bistatic Radar Target Identification Using FFT-based CLEAN", International Geoscience and Remote Sensing Symposium(IGARSS 2014), pp. 1825-1828, July 13-18, 2014. 10.1109/IGARSS.2014.6946809

9. In-Sik Choi, "A Novel Direction of Arrival Estimation via Step-by-Step Extraction Method", 2013 IEEE International Symposium on Phased Array Systems and Technology, pp. 251-254, Oct. 15-18, 2013. 10.1109/ARRAY.2013.6731836

10. Sung-Jun Lee, In-Sik Choi, Seung-Jae Lee, and Edward J. Rothwell, "Extraction of Optimum Classification Angle using Arch-range Measured Data for Scale-model Targets", 2013 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, July 7-13, 2013. 10.1109/USNC-URSI.2013.6715486

11. In-Sik Choi, Seung-Jae Lee, Se-Hoon Park, and Edward J. Rothwell, "A Study on Recognition of Similar Wire Targets using E-pulse Technique", Progress In Electromagnetics Research Symposium(PIERS 2012), pp. 346-347, March 27-30, 2012.

12. Sung-Jun Lee, In-Sik Choi, Seung-Jae Lee, "Performance Comparison of Radar Target Classification  for  Monostatic and Bistatic RCS", Progress In Electromagnetics Research Symposium(PIERS 2011), pp. 666, Sep. 12-16, 2011.

13. In-Sik Choi, Edward J. Rothwell, "Measurement of UWB Radar Signals using Time-domain  and Frequency-domain Measurement System", 2011 Progress In Electromagnetics Research Symposium Abstracts, pp.961, Mar. 20-23, 2011.

14. Sung-Jun Lee, In-Sik Choi, "Bistatic Radar Target Classification using Time-frequency Analysis and Multilayered Perceptron Neural Network", 2011 Progress In Electromagnetics Research Symposium(PIERS 2011) Proceedings, pp. 1569-1671, March. 20-23, 2011.

15. In-Sik Choi, "Evolutionary Programming versus Particle Swarm Optimization for Target Feature Extraction", 2010 International Conference on Electronics, Information, and Communication(ICEIC 2010), pp. 238-240, June. 30 - July. 2, 2010.

16. In-Sik Choi, Ill-Keun Rhee, " Performance Comparison of Time-frequency Analysis Methods for   Radar Signature Analysis, " 2008 International Conference on Future Generation Communication and Networking(FGCN 2008), Hainan, China, Dec, 12-14, 2008.

17. In-Sik Choi, Ill-Keun Rhee and Young-Hoon Lee, " Signal Parameter Extraction via Component Cancellation using Evolutionary Programming, " 2007 International Conference on Future Generation Communication and Networking, Jeju-Island, Korean, Dec, 6-8, 2007.

18. In-Sik Choi, and Hyo-Tae Kim, " Feature Extraction of Radar Targets using Evolutionary Adaptive Wavelet Transform, " 2007 Korean-Japan Microwave Conference, Okinawa, Japan, Nov, 15-16, 2007.

19. In-Sik Choi, and Hyo-Tae Kim, " One-dimensional and Two-dimensional Scattering Center  Extraction using Evolutionary Programming-based CLEAN, " 2002 IEEE APS/URSI symposium, San Antonio, Texas, June 16-21, 2002.

Recent Publications on Domestic Conference (After 2000)

1. Jong-Hee Kim, In-Sikl Choi, “Self-positioning method using Stepped-frequency Radar and Point target”, Proceeding of the 2024 KICS winter Conference, pp. 1138-1139, Feb, 2024

2. Jong-Hee Kim, In-Sikl Choi, “Monitoring system using Doppler radar and bipedal/quadrupedal classification technology”, Proceeding of the 2023 KIIT autumn Conference, pp.135-136, Nov, 2023

3. Eung-Bin Kim,In-Sik Choi,”Rotation State Classification of Floating Wind Turbine Considering Sea state”, Proceeding of the 2023 KIIT  summer Conference,pp.760-761, June, 2023

4. Jin-Woo Bae,In-Sik Choi,”Analysis of Indoor Measurement Result for Floating Wind Turbine by Sea State”, Proceeding of the 2023 KIIT  summer Conference,pp.727-728, June, 2023

5. Jin-Woo Bae,Young-Min-Kim,In-Sik Choi,”RCS simulation and Analysis of Floating wind turbine by Sea State”, Proceeding of the 2022 KIIT  autumn Conference,pp.335-336, Dec, 2022

6. Sung-Tae Kim,Young-Min Kim,Sang Yoon-Kim, Sang-Won Kim,In-Sik Choi,”Infant Care System Using Emotional Recognition and Sensors”, Proceeding of the 2022 KIIT  autumn Conference,pp.337-338, Dec, 2022

7. Yong-Min Kim, In-Sik,Choi,”Rotation State Classification of Floating Wind Turbine Blade using CNN”, Proceeding of the 2022 KIIT summer Conference,pp.313-314, June, 2022

8. Young-Min Kim, In-Sik Choi,”Comparison of Numerical Analysis and Indoor Measurement for Floating Wind Turbine Blade”, Proceeding of the 2022 KIIT summer Conference,pp.311-312, June, 2022

9. Yong-Bin Kim, Yong-Min Kim, Sang-Woo Ryu, Young-Min Kim, In-Sik Choi, “State Classification of Wind turbine blade using Deep Learning”, The 2nd Korea Artificial Intelligence Conference, pp.344, Sep 30, 2021

10. Yong-Min Kim, Sang-Woo Ryu, Yong-Bin Kim, In-Sik Choi, “Measurement and analysis for imbalance rotation of wind turbine blade scale model using 24 GHz Doppler Rada”, Proceedings of the 2021 KIIT Summer Conference, pp.442-443, June 4, 2021

11. Yong-Bin Kim, In-Sik Choi, “Analysis of measured radar signal depending on the weather for wind turbine blade”, Proceedings of the 2021 KIEE Spring Conference, pp.121-123, May 6, 2021

12. Young-Jae Choi, Yong-Bin Kim, In-Sik Choi, “Method for detecting wind blade surface using spectrogram”, Proceeding of the 2020 KIEES summer Conference, Vol. 8, No.1, Aug. 19, 2020

13.  Yong-Bin Kim, Young-Jae Choi, In-Sik Choi, “Analysis of measurement signal of wind blade scale model using spectrogram”, Proceeding of the 2020 KIEES Conference, Vol. 8, No.1, Aug. 19, 2020

14. Young-Jae Choi, In-Sik Choi, Yong-Hwan Jung, “Implementation of physical optical method for efficient radio wave numerical analysis of ship mast”, Proceeding of the 2019 KIEES Conference, Vol. 7, No.1, Aug. 22, 2019

15. Young-Jae Choi, In-Sik Choi, Byung-Kwan Choi, “Using the phase constrained complex least squares method Spectrogram repetition period detection method”, Proceeding of the 2019 KIEES Conference, Vol. 7, No.1, Aug. 22, 2019

16. Yong-Bin Kim, Yu-Jin Kim, Young-Jae Choi, In-Sik Choi, “Target distance measurement using 24GHz stepped frequency radar and analysis”, Proceeding of the 2019 KIEES Conference, Vol. 7, No.1, Aug. 22, 2019

17. Yu-Jin Kim, Young-Jae Choi, In-Sik Choi, “Target separation using Hough transform in many small target environments”, Proceeding of the 2018 KIEES Conference, Vol. 19, No.1, pp.33~34, Nov. 2, 2018

18. Young-Jae Choi, Jong-Sung Jung, Hyeok-Jun Kwon, In-Sik Choi, “Dynamic RCS Calculation using Euler’s Rotation Matrix for Micro-motion Target”, Proceeding of the 2017 KIEES Conference, Vol. 18, No.1, pp.68, Nov. 3, 2017

19. Seung-Jae Lee, In-Ha Kim, Joon-Ho Lee, In-Sik Choi, “Radar Target Classification Using Feature Vector Fusion of Early-time Feature and Resonance Frequency Extracted by Prony’s Method”, Proceeding of the 2017 KIEES Conference, Vol. 18, No.1, pp.67, Nov. 3, 2017

20. Seung-hwan Seol, In-sik Choi, ‘Performance Comparison of Radar Target Recognition Depending on Various Feature Vectors using Neural Network Classifier’ Proceeding of the 2017 KIIECT Autumn Conference, Vol. 10, No. 2, Oct. 27~28, 2017

21. Hyeok-Jun Kwon, Jong-Sung Jung, In-Sik Choi, Yong-Heui Cho, Yong-Hwan Jung, 'Improvement of Calculation Speed of Physical Optics Using OpenMP', Proceeding of the 2017 KIEES Conference, Vol. 5, No. 1, Aug. 24~26, 2017

22. Jong-Sung Jung, Hyeok-Jun Kwon, In-Sik Choi, "Calculation and Analysis of Sphere RCS by Modeling Methods",  Proceeding of the 2017 KICS Conference, pp. 335-335, Jan. 1, 2017

23. In-Ha Kim, Young-Jae Choi, In-Sik Choi, Dae-young Chae, “Analysis on Radar Signal Variations by Elevation Angle in HF Frequency Band”, Proceeding of the 2017 KICS Conference, pp. 333-334, Jan. 1, 2017

24. Chi-Hwan Park, In-Sik Choi, Jong-Sung Jung, Dae-Young Chae, “Correlative Target Recognition using Bistatic Radar”, Proceeding of the 2016 KIEES Conference, Vol. 17, No.1, pp.63-64, Nov. 4, 2016

25. In-Ha Kim, In-Sik Choi, Hyeok-Jum Kwon, Dae-Young Chae, “Analysis on Resonance Characteristics using CWT and AWT”, Proceeding of the 2016 KIEES Conference, Vol. 17, No.1, pp.61-62, Nov. 4, 2016

26. Jung-Min Seo, Seung-Jae Lee, In-Sik Choi, Joon-Ho Lee, “Natural frequency estimation based on frequency-domain Prony method”, Proceeding of the 2016 KIEES Conference, Vol. 17, No.1, pp.45-47, Nov. 4, 2016

27. Seung-Hwan Seol, In-Sik Choi, Seng-Hyeon, Jae-Kwon Ha, Nyoung-Hak Kang, “Design and Fabrication of GPS Microstrip Patch Antenna Using Parasitic Patch”, Proceeding of the 2016 KIEES Conference, Vol. 17, No.1, pp.35-36, Nov. 4, 2016

28. Young-Jae Choi, In-Sik Choi, "The accuracy improvement of CLEAN algorithm using gradient descent method", Proceeding of the 2016 KIIECT Autumn Conference, Vol. 9, No. 2, pp. 72-73, Oct. 28, 2016

29. Young-Jae Choi, In-Sik Choi, “High Resolution Range Profile Construction for DTV-based Passive Radar Using Burg's Method”, Proceeding of the 2016 KICS Summer Conference, pp. 198-199, June 22, 2016.

30. Chi-Hwan Park, In-Sik Choi, In-Ha Kim, Joon-Ho Lee, Dae-Young Chae, “A Study on Efficient Correlation-Based Target Recognition of HF Band Radar”, Proceeding of the 2016 KIEES Summer Conference, Vol. 4, No.1, pp. 70-71, June 17, 2016

31. Seung-Jae Lee, In-Sik Choi, Jong-Sung Jung, Hyeok-Jun Kwon, Dae-Young Chae, “Performance Improvement of Radar Target Classification Using Fusion of Complex Natural Resonance Frequency-Based Feature and Waveform Structure-Based Feature”, Proceedings of the 2016 KIIT Summer Conference, pp. 119-120, June 10, 2016.

32. Seung-Jae Lee, Kyu-Ho Lee, Chi-Hwan Park, In-Sik Choi, Joon-Ho Lee, In-Ha Kim, Dae-Young  Chae, “A Study on Resonance Frequency Extraction using Time-Frequency Analysis and Prony’s Method”, Proceeding of the 2016 KICS Winter Conference, Jan. 21, 2016

33. Seung-Jae Lee, In-Sik Choi, Se-Ha Im, Chi-Hwan Park, Dae-Young Chae, “The Resonance Characteristic Analysis of HF Band Radar Signal using CWT”, Proceeding of the 2015 KIIECT Autumn Conference, pp.123-124, Oct. 16, 2015

34. Seung-Jae Lee, Se-Ha Im, In-Sik Choi, Dae-Young Chae, Tae-Seung Lee, "A Study on RCS Calculation and Comparison for Various Frequency Band", Proceedings of the 2015 KIIT Summer Conference, pp.157-158, June 12, 2015

35. In-Sik Choi, Seung-Jae Lee, Chi-Hwan Park, "RCS Analysis of Aircraft Target through Arch Range Measurement", Proceedings of the 2015 KIIECT Spring Conference, Vol. 8, No.1, pp. 87-88, May 23, 2015

36. In-Sik Choi, Seung-Jae Lee, "Analysis on RCS Characteristics for Three Kinds of Aircraft Using        Measurement", Proceedings of the 2014 KEES Conference, Vol. 15, No.1, pp. 72-74, Nov. 2014

37. Seung-Jae Lee, In-Sik Choi, Tae-Seung Lee, Dae-Young Chae, "RCS Calculation and Analysis of L-band and VHF band Radar Target", Proceedings of the 2014 KEES Conference, Vol. 15, No.1, pp. 75-76, Nov. 2014

38. Se-Hoon Park, Seung-Jae Lee, In-Sik Choi, Dae-Young Chae, "A Study on RCS Calculation and   Analysis of L-band Radar ", Proceedings of the 2013 KEES Conference , Vol. 14, No.1, pp. 70-71, Nov. 1, 2013

39. Seung-Jae Lee, In-Sik Choi, Dae-Young Chae, "A Study on Comparison of Target Classification for Monostatic and Bistatic Measured Signals'' , Proceedings of the 2013 KEES Conference, Vol. 14, No.1, pp. 120-121, Nov. 1, 2013

40. Seung-Jae Lee, In-Sik Choi, Dae-Young Chae, "A Study on Combining Technique of Monostatic and Bistatic Feature Vectors ", Proceedings of the 2013 KIIT Summer Conference , pp. 1-3, May 31, 2013

41. Se-Hoon Park, In-Sik Choi, Dae-Young Chae, "A Study on Scattering Center Extraction for Low-frequency Radar Signal ", Proceedings of the 2013 KIIECT Spring Conference, Vol. 6, No. 1, pp. 87-89, May 25, 2013

42. In-Sik Choi, Seung-Jae Lee, Young-Jun Jung, "A Study on Frequency sharing Method for HF Ocean Surface Radar", Proceedings of the 2013 KIIECT Spring Conference, Vol. 6, No. 1, pp. 97-99, May 25, 2013

43. Seung-Jae Lee, In-Sik Choi, Se-Hoon Park, Joo-Hwan Lee, "A Study on Frequency Reuse Method of Ocean Surface Radar using Matched Filtering and Orthogonal Waveforms ", Proceedings of the 2013 KICS Winter Conference, pp. 211-212, Jan. 31, 2013

44. Seung-Jae Lee, In-Sik Choi, Se-Hoon Park, Han-Gill Jung, "A Study on Radar Target Recognition using Combining of Feature Vectors", Proceedings of the 2012 KEES Conference, Vol. 13, No. 1, pp. 68-70, Nov. 9, 2012

45. Se-Hoon Park, Seung-Jae Lee, Min-Su Kim, Wan-Tae Kim, In-Sik Choi, Joo-Hwan Lee, Young-Jun  Jung, "Analysis of Maximum Detection Range for Pulsed Radar using Time Division Multiplexing", Proceedings of the 2012 KIIECT Autumn Conference, Vol. 5, No. 2, pp. 128-130, Oct. 27, 2012

46. Seung-Jae Lee, In-Sik Choi, Han-Gill Jung, "A Study on Target Recognition using Full-scale Bistatic  RCS Data", 2012 Autumn Microwave and Radio Wave Conference, Vol. 35, No. 2, p. 39, Oct. 19, 2012

47. Seung-Jae Lee, In-Sik Choi, E. J. Rothwell, "A Study on Target Classification using E-pulse and    Neural Network", Proceedings of the 2012 KIIT Summer Conference, pp. 74-77, June 1, 2012

48. Se-Hoon Park, In-Sik Choi, Byung-Lae Cho, "Performance Analysis of Azimuth Direction  Extrapolation for Omega-K Algorithm Based SAR Imange", Proceedings of the 2012 KIIECT Spring Conference, Vol. 5, No. 1, pp. 51-53, May 25, 2012

49. In-Sik Choi, Seung-Jae Lee, "Radar Signal Processing using Evolutionary Adaptive Time-frequency Analysis", Proceedings of the 2011 KIIT Autumn Conference, pp. 123-128, Dec 9, 2011

50. Se-Hoon Park, Sung-Jun Lee,Seung-Jae Lee, In-Sik Choi "Automotive Radar System Design Using  Radar Equation ", The Institute of Electronics Engineers of Korea (IEEK), pp 33-44, Dec. 2011

51. Se-Hoon Park, In-Sik Choi, Sung-Jun Lee, Seung-Jae Lee, "A Study on the Selection of Antenna Parameters for 24GHz Automotive Radar ", Proceedings of the 2011 KEES Conference, Vol. 12, No.1, pp 40-41, Nov. 4, 2011

52. Seung-Jae Lee, In-Sik Choi, E.J. Rothwell, " A Study on the Recognition of Wire Targets using E- Pulse Technique", Proceedings of the 2011 KEES Conference, Vol. 12, No.1, pp 42-43, Nov. 4, 2011

53. Seung-Jae Lee, Sung-Jun Lee, Se-Hoon Park, In-Sik Choi, Kang-guk Park, Kyoung-Tae Kim, "A Study on the Radar Target Recognition Using Both Scattering Center and Natural Resonance Frequency", Proceedings of the 2011 KIIECT Autumn Conference, pp 90, Oct 21-22, 2011

54. Seung-Jae Lee, Sung-Jun Lee, In-Sik Choi, Kang-guk Park, Hyo-Tae Kim, "Analysis of Radar Target Classification Performance for Different Bandwidth", 2011 Spring Microwave and Radio Wave Conference, Vol. 34, No. 1, p. 90, May 27, 2011

55. Sung-Jun Lee, In-Sik Choi, E.J. Rothwell, "Optimum Bistatic Angle Extraction for Wire-target  Recognition", 2011 Spring Microwave and Radio Wave Conference, Vol. 34, No. 1, p. 91, May 27, 2011

56. In-Sik Choi, Sung-Jun Lee, E.J. Rothwell, "A Study on Radar Target Recognition using UWB Measured Signals", 2011 Spring Microwave and Radio Wave Conference, Vol. 34, No. 1, p. 176, May 27, 2011

57. Sung-Jun Lee, In-Sik Choi, Kang-guk Park, Hyo-Tae Kim, " Target Classification Using UWB Radar Signals", Proceedings of the 2010 KEES Conference, Vol.11, No. 1, p. 59, Nov. 5, 2010

58. Sung-Jun Lee, In-Sik Choi, "A Study on Target Classification using Bistatic RCS", 2010 Autumn  Microwave & Radio Wave Conference, Vol. 33, No. 2, p.153, Oct. 1, 2010

59. Sung-Jun Lee, In-Sik Choi," A Study on Analysis of Bistatic RCS for Wire Target, " 2010 Spring  Microwave and Radio Wave Conference,Vol. 33,, No. 1, p. 168, June 4, 2010

60. In-Sik Choi, Hyo-Tae Kim, "A Study on Comparison of Radar Target Recognition Based on   Correlation and Neural Networks, " Proceedings of the 2009 KEES Conference,Vol. 10, No. 1, pp.79-82, Nev. 2009

61. In-Sik Choi, and Hyo-Tae Kim, "Efficient Feature Extraction for Target Classification using Time-f  requency Analysis of Transient Response, " Proceedings of Korean Microwaves and Propagation conference, Vol. 23, No. 1, pp. 521-524, 2000

62. In- Sik Choi, Dong-Kyu Seo, Kyung-Tae Kim and Hyo-Tae Kim, "Performance Improvement of Target Classification using Evolutionary Programming-based CLEAN, " Proceedings of Korean Microwaves and Propagation conference, Vol. 24, No. 1, pp. 433-436, 2001

Books

1. In-Sik Choi, Ji-Hoon Bae, Ill-Keun RLee, Matlab을 이용한 신호 및 시스템 해석실습, Gulnuri Publishing Co.

2. Ill-Keun RLee, In-Sik Choi, Kyoung-Soo Jin, 디지털 통신 이론/설계/실험, Yeongil Publishing Co.