Wave Information Processing Lab. (Kenshi Saho Lab.), Ritsumeikan Univ. 

Principal investigator: Kenshi Saho

- Associate Professor

- Department of Electronic and Computer Engineering, Ritsumeikan University, Japan

- Ph.D. in Informatics [Kyoto University, 2013]

- E-Mail: saho[at]fc.ritsumei.ac.jp

My previous e-mail address (saho at pu-toyama.ac.jp) is no longer available. Please contact me at the above e-mail address! 

- Google Scholar Citations

List of Major Publications

Refereed journal papers and letters

1.  Jiale Ren, Hengyi Li, Aihui Wang, Kenshi Saho, and Lin Meng*, "Radar-based gait analysis by Transformer-liked network for dementia diagnosis," Biomedical Signal Processing and Control (ELSEVIER), Accepted, 2024.

2. Ryosuke Iida, Kazuhide Kamiya, ,Xangbo Kong, Shuhei Hashimoto, and Kenshi Saho, "Fundamental experiments for prediction of pedestrian dart-out from non-line-of-sight area using diffracted wave of 2.4GHz-band radar", IEEJ Transactions C,  vol. 144, No. 4, pp. 404-405, April 2024.

3. Kazuki Yasuda*, Teppei Tsuyuhara, Kenshi Saho, and Masao Masugi, "Micro-Doppler Radar-Based Gait Classification of Common Pedestrians and Smartphone Zombies,"  IEEJ Transactions on Electrical and Electronic Engineering, vol. 18, no. 9, pp. 1547-1549, September 2023. 

4. Toshiyuki Hoshiga, Kenshi Saho, Naoyuki Takashima, Masaaki Iwata, and Muneharu Inagaki, "Classification of Motion Differences While Ascending a Step Caused by Differences of Pants Using Doppler Radars",IEEJ Transactions C, vol. 143, pp. 610-611, June 2023. 

5. Haruhisa Fukuda, Fumiko Murata, Sachie Azuma, Masahiro Fujimoto, Shoma Kudo, Yoshiyuki Kobayashi, Kenshi Saho, Kazumi Nakahara, and Rei Ono, "Development of a Data Platform for Monitoring Personal Health Records in Japan: The Sustaining Health by Integrating Next-generation Ecosystems (SHINE) Study," PLOS ONE, vol. 18, Accepted, 2023.

6. Keitaro Shioiri and Kenshi Saho, "Exploration of Effective Time-Velocity Distribution for Doppler-Radar-Based Personal Gait Identification," Sensors, vol. 23, Article no. 604, January 2023.

7. Kenshi Saho,  Keitaro Shioiri, Shoma Kudo, and Masahiro Fujimoto, "Estimation of Gait Parameters from Trunk Movement Measured by Doppler Radar," IEEE Journal of Electromagnetics, RF, and Microwaves in Medicine and Biology , vol. 6, pp. 461-469, December 2022. 

8. ZhiChen Wang, Zelin Meng, Keshi Saho, Kazuki Uemura, Naoto Nojiri, and Lin Meng, "Deep Learning based Elderly Gender Classification using Doppler Radar," Personal and Ubiquitous Computing, vol. 26, pp. 1067-1079, August 2022.  https://link.springer.com/article/10.1007/s00779-020-01490-4

9. Kenshi Saho and Takanori Shibata, "Closed-form steady-state bias error of tracking filter using coordinated turn model for constant velocity target," IEICE Communications Express, vol. 11, no. 5, pp. 245-250, May 2022. 

10. Kenshi Saho, Sora Hayashi, Mutsuki Tsuyama, Lin Meng, and Masao Masugi, "Machine Learning-Based Classification of Human Behaviors and Falls in Restroom via Dual Doppler Radar Measurements," Sensors, vol. 22, article no. 1721, March 2022. 

11. Kenshi Saho, Masahiro Fujimoto, Yoshiyuki Kobayashi, and Michito Matsumoto, "Experimental Verification of Micro‐Doppler Radar Measurements of Fall‐Risk‐Related Gait Differences for Community‐Dwelling Elderly Adults," Sensors, vol. 22, article no. 930, January 2022. 

12. Toshiyuki Hoshiga, Kenshi Saho, Keitaro Shioiri, Masahiro Fujimoto, and Yoshiyuki Kobayashi, "Simulation Study of Deep-Learning-Based Gait Classification of Young/Elderly Adults Using Doppler Radar," Measurement: Sensors, vol. 18, article no. 100103, December 2021.

13. Kazuki Uemura*, Atsuya Watanabe, Tsukasa Kamitani, Minoru Yamada, Kenshi Saho, Hiroshi Okamoto, "Feasibility of active learning health education by video-conferencing in older adults," Geriatrics & Gerontology International, vol. 21, pp. 1064-1066,  November 2021.

14. Kenshi Saho and Keitaro Shioiri, "Personal Identification Based on the Picking-Up Movement Measured Using a Doppler Radar," IEEJ Transactions on Electrical and Electronic Engineering, vol. 16, pp. 1286–1288, September 2021. 

15. Keitaro Shioiri and Kenshi Saho, "Improvement of Gait Identification Accuracy via Resolution Tuning of Doppler Radar Spectrogram," IEICE Transactions B, vol. J104-B, pp. 673-675, July 2021. (in Japaneses) 

16. Xuebin Yue, Hengyi Li, Kenshi Saho, Kazuki Uemura, Aravinda C V. and Lin Meng*,"Machine Learning based Apathy Classification on Doppler Radar Image for the Elderly Person," Procedia Computer Science, vol. 187, pp.  146-151, June 2021.

17. Sora Hayashi, Kenshi Saho, Keitaro Shioiri, Masahiro Fujimoto, and Masao Masugi, "Utilization of Micro-Doppler Radar to Classify Gait Patterns of Young and Elderly Adults -An Approach Using a Long Short-Term Memory Network-," Sensors,  vol. 21, article no. 3643, May 2021.

18. Sora Hayashi, Kenshi Saho, Daiki Isobe, and Masao Masugi, "Pedestrian Detection in Blind Area and Motion Classification Based on Rush-Out Risk Using Micro-Doppler Radar," Sensors,  vol. 21, article no. 3388, May 2021.

19. Sora Hayashi, Kenshi Saho, Mutsuki Tsuyama, and Masao Masugi, "Motion Recognition in the Toilet by Dual Doppler Radars Measurement," IEICE Transactions B, vol. J104-B, pp.390-393, April 2021. (in Japanese)

20. Kenshi Saho, Kouki Sugano, Momoka Kita, Kazuki Uemura, and Michito Matsumoto, "Classification of Health Literacy and Cognitive Impairments using Higher-Order Kinematic Parameters of the Sit-to-Stand Movement from a Monostatic Doppler Radar," IEEE Sensors Journal, vol. 21, pp. 4563-4570, April 2021. 

21. Kenshi Saho,  Keitaro Shioiri, Masahiro Fujimoto, and Yoshiyuki Kobayashi, "Micro-Doppler Radar Gait Measurement to Detect Age- and Fall Risk-Related Differences in Gait: A Simulation Study on Comparison of Deep Learning and Gait Parameter-Based Approaches," IEEE Access, vol. 9, pp. 18518 - 18526, February 2021. 

22. Kenshi Saho, Keitaro Shioiri, and Keisuke Inuzuka, "Accurate Person Identification Based on Combined Sit-to-Stand and Stand-to-Sit Movements Measured Using Doppler Radars," IEEE Sensors Journal, Vol. 21, pp. 4563-4570, February 2021.

23. Kenshi Saho, Kouki Sugano, Kazuki Uemura, and Michito Matsumoto, "Screening of Apathetic Elderly Adults Using Kinematic Information in Gait and Sit-to-Stand/Stand-to-Sit Movements Measured with Doppler Radar," Health Informatics Journal, vol. 27, article no. 1460458221990051, January 2021.

24. Naoto Nojiri, Zelin Meng, Kenshi Saho, Yucong Duan, Kazuki Uemura, Aravinda C V, Amar Prabhu, Hiromitsu Shimakawa, and Lin Meng, "Apathy Classification based on Doppler Radar Image for the Elderly Person", Frontiers in Bioengineering and Biotechnology, vol. 8, Article no. 553847, November 2020. 

25. Kenshi Saho, Keisuke Inuzuka,and Keitaro Shioiri, "Person Identification Based on Micro-Doppler Signatures of Sit-To-Stand and Stand-To-Sit Movements using a Convolutional Neural Network," IEEE Sensors Letters, vol. 4, Article no.3500304, Mar 2020.

26. Masashi Nakagawa, Kenshi Saho, Masao Masugi, "Analyzing relationship between the atmospheric state change and lightning activity in autumn season ," IEEJ Transactions A, vol. 140, No. 3, pp. 169-170, Mar 2020. (in Japanese)

27. Kenshi Saho, Kazuki Uemura, Masahiro Fujimoto, and Michito Matsumoto, "Evaluation of Higher-Level Instrumental Activities of Daily Living via Micro-Doppler Radar Sensing of Sit-To-Stand-To-Sit Movement," IEEE Journal of Translational Engineering in Health and Medicine,  vol. 8, Article no. 2100211, 11 pages, Jan 2020.

28. Kenshi Saho, Kazuki Uemura, and Michito Matsumoto, "Screening of mild cognitive impairment in elderly via Doppler radar gait measurement," IEICE Communications Express, vol. 9, pp. 19-24, 2020. 

29. Kazuki Uemura, Minoru Yamada, Kenshi Saho, and Hiroshi Okamoto, "Association of bio-impedance phase angle and physical activity level in older adults," Physical Therapy Japan, vol. 46, pp. 143-151, 2019. 

30. Hiroaki Okinaka, Kenshi Saho, Masahiro Fujimoto, Seiken Go, Kouki Sugano, Masao Masugi, Kazuki Uemura, and Michito Matsumoto,  "Gait Classification of Young and Elderly Adults Using Micro-Doppler Radar," IEICE Transactions A, pp. 167-170,  May 2019. (in Japanese)

31. Kenshi Saho, Kazuki Uemura, Kouki Sugano, and Michito Matsumoto, "Using Micro-Doppler Radar to Measure Gait Features Associated with Cognitive Functions in Elderly Adults," IEEE Access , vol. 7, pp. 24122-24131 , March 2019.

32. Kouki Sugano, Kenshi Saho, Kazuki Uemura, and Michito Matsumoto, " Assessment of Cognitive Processing Speed Via Remote Gait Measurement Using Doppler Radar ", IEICE Transactions B, pp. 162-165, 2019. (in Japanese)

33. Takanori Shibata and Kenshi Saho, "Correct stability condition and fundamental performance analysis of alpha-beta-gamma-delta filter," Applied Sciences, Vol. 9, Article no. 2523, 21 pages, December 2018.

34. Kenshi Saho, "Steady-State Performance Analysis of Tracking Filter Using LFM Waveforms and Range-Rate Measurement," Mathematical Problems in Engineering, vol. 2018, Article ID 9487581, 10 pages, December 2018.

35. Kenshi Saho, "Optimal Second-Order Kalman Filter for Pulse Radar Tracking Using Acceleration Information," International Journal of Engineering and Technology , vol. 7, pp. 32–37, 2018.

36. Kenshi Saho, "Optimal steady-state range prediction filter for tracking with LFM waveforms," Applied Sciences, vol. 8, Article no. 17, 11pp., January 2018.

37. Kenshi Saho and Masao Masugi, "Performance Analysis and Design Strategy for a Second-Order, Fixed-Gain, Position-Velocity-Measured (alpha-beta-eta-theta) Tracking Filter," Applied Sciences, vol. 7, Article no. 758, 20pp., August 2017.

38. Takuya Okumoto, Daisuke Nakayama, Kyouhei Yoshida, Kouji Yoshimura, Yoshihisa Otsuki, Kenshi Saho, Masao Masugi, " Study on Effects of Transient Electromagnetic Field on Growth of Seed Plants―Evaluation of the Effect of Transient-electromagnetic-field Application Cycles on Plants―", IEEJ Transactions A, vol.137, no.8, pp. 512-513, August 2017. (in Japanese)

39. Kenshi Saho, Masahiro Fujimoto, Masao Masugi, and Li-Shan Chou, "Gait Classification of Young Adults, Elderly Non-Fallers and Elderly Fallers Using Micro- Doppler Radar Signals: A Simulation Study," IEEE Sensors Journal, vol. 17, pp.2320-2321, 2017.

40. Kenshi Saho and Masao Masugi, "Association of multiple moving targets using extended nearest-neighbor method for single pulse Doppler radar interferometer," IEEJ Transactions C, vol.137, no.4, pp.676-677, April 2017. (in Japanese)

41. Kenshi Saho, Yusuke Takahashi, and Masao Masugi, "Moving Object Tracker using Sensor Fusion of Ultrasonic Range Finder and Accelerometer," Journal of International Council on Electrical Engineering, vol. 7, pp. 34-40, 2017.

42. Kenshi Saho, Yusuke Takahashi, and Masao Masugi, “Performance analysis of fixed-gain moving object tracking filter based on fusion of range/acceleration sensors”, Transactions of the Institute of Systems, Control and Information Engineers, vol.30, pp.135-142,  April 2017. (in Japanese)

43. Yuta Sasaki, Fang Shang, Shouhei Kidera, Tetsuo Kirimoto, Kenshi Saho, and Toru Sato, "Three-dimensional Imaging Method Incorporating Range Points Migration and Doppler Velocity Estimation for UWB Millimeter-wave Radar," IEEE Geoscience and Remote Sensing Letters, vol. 14, pp. 122-126, 2017.

44. Motoshi Anabuki, Shigeaki Okumura, Takuya Sakamoto, Kenshi Saho, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,  "Ultra-Wideband Radar Imaging using Adaptive Array and Doppler Separation," IEEE Transactions on Aerospace and Electronic Systems, vol. 53, pp. 190-200, 2017.

45. Taiki Ito, Kenshi Saho, and Masao Masugi, “Analysis of Bioelectric Potential Responses of Plants to Transient Electromagnetic Fields Based on Self-similarity,” IEEJ Transactions A, vol.136, no.7, pp. 460-461, July 2016. (in Japanese)

46. Kenshi Saho and Masao Masugi, "Alpha－beta－gamma tracking filters using acceleration measurements," SpringerPlus, vol. 5, article no.305, 8pp., March 2016. 

47. Kenshi Saho and Masao Masugi, "Velocity/Shape Estimation Algorithm Using Tracking Filter and Data Fusion of Dual Doppler Radar Interferometers," International Journal of Computer and Electrical Engineering, vol.7, pp.283-295, October 2015.

48. Kenshi Saho and Masao Masugi, "Automatic Parameter Setting Method for an Accurate Kalman Filter Tracker Using an Analytical Steady-State Performance Index," IEEE Access, vol.3, pp.1919-1930, October 2015.

49. Kenshi Saho and Masao Masugi, “Performance analysis of alpha-beta-gamma tracking filters using position and velocity measurements,”EURASIP Journal on Advances in Signal Processing, vol.2015, article no.35, April 2015.

50. Masashi Hino, Kenshi Saho and Masao Masugi,“Correlation Analysis of the Atmospheric State Change and Lightning Discharge Activity”, IEEJ Transactions A, vol.134, no.12, pp. 649-650, December 2014. (in Japanese)

51. Kenshi Saho, "Fundamental Properties and Optimal Gains of a Steady-State Velocity Measured α-β Tracking Filter," Advances in Remote Sensing, vol.3, pp.61-76, June 2014.

52. Kenshi Saho, Hiroaki Homma, Takuya Sakamoto, Toru Sato, Kenichi Inoue, and Takeshi Fukuda, “Accurate Image Separation Method for Two Closely Spaced Pedestrians Using UWB Doppler Imaging Radar and Supervised Learning,” IEICE Transactions on Communications, vol.E97-B, no.6, pp.1223-1233, June 2014.

53. Kenshi Saho, Takuya Sakamoto, Toru Sato, Kenichi Inoue and Takeshi Fukuda, “Accurate and Real-Time Pedestrian Classification Based on UWB Doppler Radar Images and Their Radial Velocity Features,” IEICE Transactions on Communications Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012, vol.E96-B, pp.2563-2572, , October 2013.

54. Kenshi Saho, Takuya Sakamoto, Toru Sato, Kenichi Inoue and Takeshi Fukuda, “Pedestrian Imaging Using UWB Doppler Radar Interferometry,” IEICE Transactions on Communications, vol.E96-B, no.2, pp.613-623, February 2013.

55. Kenshi Saho, Tomoki Kimura, Shouhei Kidera, Hirofumi Taki, Takuya Sakamoto and Toru Sato, “Robust and Accurate Ultrasound 3-D Imaging Algorithm Incorporating Adaptive Smoothing Techniques,” IEICE Transactions on Communications, vol.EB-95, no.2, pp.572-580, February 2012.

Refereed or invited conference papers and abstracts

1. 〇Shuhei Hashimoto, Xiangbo Kong, Ryosuke Iida, Kosuke Manabe, Hiroshi Minematsu, and Kenshi Saho, "Classification of Bed-Related Behaviors Using Millimeter-Wave Radar Based on Range and Velocity Images," LSBE: The International Conference on Life Science & Biological Engineering, ID 76, January 2024. 

2. 〇Ryosuke Iida, Kazuhide Kamiya, Xiangbo Kong ,and Kenshi Saho, "Prediction of Pedestrian Dart-out from Behind Hedges Using 2.4GHz FMCW Radar," LSBE: The International Conference on Life Science & Biological Engineering, ID 68, Hokkaido Japan, January 2024. 

3. 〇Ryuto Ishibashi, Hayata Kaneko, Naoto Nojiri, Kenshi Saho, and Lin Meng, "Optimized Vision Transformer for Dementia Diagnosis Using Micro-Doppler Radar," 2023 IEEE International Conference on Systems, Man, and Cybernetics (SMC),  Maui, Hawaii, October 2023. 

4. 〇Shuhei Hashimoto, Xiangbo Kong, Kosuke Manabe, Hiroshi Minematsu, and Kenshi Saho, "Classification of Behaviors Related to Bed-Leaving and Bed-Lying Using Millimeter-Wave FMCW Radar,"  The 2023 International Symposium on Advanced Technologies and Applications in the Internet of Things (ATAIT 2023), Kusatsu, Japan, August 2023. 

5. 〇Ryosuke Iida, Kazuhide Kamiya, Xiangbo Kong ,and Kenshi Saho, "Classification of Rush-Out Risk of Pedestrians in Blind Area Using 2.4 GHz FMCW Radar," The 2023 International Symposium on Advanced Technologies and Applications in the Internet of Things (ATAIT 2023), Kusatsu, Japan, August 2023. 

6. 〇Kazuki Yasuda, Teppei Tsuyuhara, Masao Masugi, and Kenshi Saho, "Gait Classification of Common Pedestrians and Smartphone Zombies Using Micro-Doppler Radar," The 2022 International Symposium on Advanced Technologies and Applications in the Internet of Things (ATAIT 2022), Osaka, Japan, August 2022. 

7. 〇Ryuto Ishibashi, Naoto Nojiri, Kenshi Saho and Lin Meng, "Dementia Diagnose Based on Machine Learning Using Doppler Radar Image for the Elderly Person," The 2022 International Symposium on Advanced Technologies and Applications in the Internet of Things (ATAIT 2022), Osaka, Japan, August 2022. 

8. ○Toshiyuki Hoshiga, Kenshi Saho, Naoyuki Takashima, Masaaki Iwata, and Muneharu Inagaki, "Classification of Pants-Related Motion Differences while Ascending a Step," ISB 17th International Symposium of 3-D Analysis of Human Movement (3D-AHM 2022), Tokyo, Japan, July 2022.

9. 〇Kenshi Saho, Masahiro Fujimoto, Yoshiyuki Kobayashi, and Michito Matsumoto, "Detection of Fall-Risk-Related Gait Differences in Elderly Using Micro-Doppler Radar Remote Sensing," ISB 17th International Symposium of 3-D Analysis of Human Movement (3D-AHM 2022), Tokyo, Japan, July 2022.

10. ○Toshiyuki Hoshiga, Kenshi Saho, Naoyuki Takashima, Masaaki Iwata, and Muneharu Inagaki, "Classification of Motions while Ascending a Step Caused by Differences of Pants Using Doppler Radars," IEEE LifeTech 2022, March 2022.

11. 〇Zelin Meng, Lin Meng, Kenshi Saho, Xiangbo Kong, and Hiroyuki Tomiyama, "Frailty Classification Based on Artificial Intelligence," The 2021 International Symposium on Advanced Technologies and Applications in the Internet of Things (ATAIT 2021), August 2021. 

12. 〇Mutsuki Tsuyama, Sora Hayashi, Kenshi Saho, and Masao Masugi, "A Convolutional Neural Network Approach to Classification of Human's Behaviors in a Restroom Using Doppler Radars," The 2021 International Symposium on Advanced Technologies and Applications in the Internet of Things (ATAIT 2021), August 2021. 

13. ○Toshiyuki Hoshiga, Kenshi Saho, Keitaro Shioiri, Masahiro Fujimoto, and Yoshiyuki Kobayashi, "Simulation Study of Deep-Learning-Based Gait Classification of Young/Elderly Adults Using Doppler Radar," The IMEKO XXIII World congress (IMEKO2021) , August 2021.

14. 〇Keitaro Shioiri, Kenshi Saho, Masahiro Fujimoto and Yoshiyuki Kobayashi,  "Radar-based Gait Classification of Elderly Non-Fallers and Multiple Fallers Using Machine Learning," IEEE LifeTech 2021, March 2021.

15. ○Xuebin Yue, Hengyi Li, Kenshi Saho, Kazuki Uemura, Aravinda C V and Lin Meng, "Machine Learning based Apathy Classification on Doppler Radar Image for the Elderly Person," International Conference on Identification, Information and Knowledge in the Internet of Things (IIKI), Zhuhai, China, November 2020.

16. 〇Keitaro Shioiri, Kenshi Saho, and Keisuke Inuzuka, "Person Identification Based on Micro-Doppler Signatures of Sit-To-Stand and Stand-To-Sit Movements using a Convolutional Neural Network," IEEE SENSORS 2020, Accepted for presentation, October 2020.

17.  〇Shu Morita, Mami Hayashi, Chiaki Kojima, Yuki Okura, and Kenshi Saho, "Estimation of Relative Positions and Velocities in Distributed Cooperative Path Design of Multi-Agent Systems," SICE Annual Conference 2020, September 2020.

18. ○Takanori Shibata and Kenshi Saho, "Performance analysis of position tracking filter using only velocity measurement ," the 6th IEEJ International Workshop on Sensing, Actuation, Motion Control, and Optimization (SAMCON2020), Tokyo, Japan, March 2020.

19. ○Keitaro Shioiri, Kenshi Saho, and Keisuke Inuzuka, "Personal identification using Doppler radar images of sit-to-stand and stand-to-sit movements," 2020 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'20), Honolulu, Hawaii, USA, March 2020.

20. ○Kenshi Saho, Kazuki Uemura, Masahiro Fujimoto, and Michito Matsumoto, "Micro-Doppler Radar Measurement of Sit-to-Stand-to-Sit Movement Toward Unconstrained Evaluation of High-level Instrumental Activities of Daily Living,"Accepted for presentation, the IEEE 10th Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (IEEE UEMCON 2019), pp.504-508,New York, USA, October 2019.

21. ○Sora Hayashi, Kenshi Saho, Hiroaki Okinaka, Lin Meng, and Masao Masugi, "Detection and Classification of Human Motion in Blind Area Using Micro-Doppler Radar," International Conference on Advanced Mechatronic Systems (ICAMechS), pp.224-228, Kusatsu, Shiga, August 2019.

22. ○Zhichen Wang, Kenshi Saho, Hiroyuki Tomiyama and Lin Meng, "Gender Classification of Elderly People using Doppler Radar Images based on Machine Learning," International Conference on Advanced Mechatronic Systems (ICAMechS), pp.305-310, Kusatsu, Shiga, August 2019.

23. 〇Hiroaki Okinaka, Kenshi Saho, Masahiro Fujimoto, Seiken Go, Masao Masugi, Kouki Sugano, Kazuki Uemura, and Michito Matsumoto, "Gait Classification of Healthy Young and Elderly Adults Using Micro-Doppler Radar Remote Sensing," Proc. of Joint 10th International Conference on Soft Computing and Intelligent Systems and 19th International Symposium on Advanced Intelligent Systems (SCIS-ISIS2018), December 2018.

24. 〇Kenshi Saho, Kazuki Uemura, and Michito Matsumoto, "Remote Assessment of Gait Deterioration Due to Memory Impairment in Elderly Adults Using Micro-Doppler Radar," Proc. of The 18th annual IEEE International Conference on Bioinformatics and Bioengineering (IEEE BIBE 2018), Accepted for presentation, October 2018.

25. 〇Kouki Sugano, Kenshi Saho, Kazuki Uemura, and Michito Matsumoto, "Remote Measurement of Dementia-Related Gait Deterioration Using Micro-Doppler Radar," The 2018 International Symposium on Advanced Technologies and Applications in the Internet of Things (ATAIT 2018), Accepted for presentation, Osaka, Japan, April 2018.

26. 〇Takanori Shibata and Kenshi Saho, "Steady-State Performance Analysis of Fourth-Order Moving-Object Tracker (α–β–γ–δ Filter),"  The 2018 International Symposium on Advanced Technologies and Applications in the Internet of Things (ATAIT 2018),  Osaka, Japan, April 2018.

27. 〇Kenshi Saho, "Gait analysis using micro-Doppler radar for fall-risk assessment of elderly people," The 2018 International Symposium on Advanced Technologies and Applications in the Internet of Things (ATAIT 2018), Osaka, Japan, April 2018. (Invited)

28. 〇Kenshi Saho, Kouki Sugano, Kazuki Uemura, and Michito Matsumoto, "Estimation of Gait Parameters Correlated with Cognitive Function Using Micro-Doppler Radar," 2018 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'18), March 2018.

29. 〇Kenshi Saho,  "Optimal Second-Order Kalman Filter for Pulse Radar Tracking Using Acceleration Information,"  The 5th Annual Conference on Engineering and Information Technology (ACEAIT2018),March 2018.

30. 〇Kenshi Saho, "Gait classification based on difference of balance ability using micro-Doppler radar for identification of elderly pedestrians with high-risk of falls," APSCIT 2017 Annual Meeting, presentation ID 19, Hokkaido, Japan, July 2017. (Invited)

31. 〇Motoshi Anabuki, Shigeaki Okumura, Takuya Sakamoto, Kenshi Saho, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and  Hiroyuki Sakai, High-resolution Imaging and Separation of Multiple Pedestrians Using UWB Doppler Radar Interferometry with Adaptive Beamforming Technique," Proceedings of the 11th European Conference on Antennas and Propagation (EuCAP2017), Paris, France, March 2017.

32. 〇Kenshi Saho, "Micro-Doppler Radar Signal Processing for Human Gait Recognition," Proceedings of the 2016 International Conference for Top and Emerging Computer Scientists (IC-TECS2016), presentation ID 7, Taipei, Taiwan, December 2016. (Invited)

33. 〇Motoshi Anabuki, Shigeaki Okumura, Takuya Sakamoto, Kenshi Saho, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and  Hiroyuki Sakai, "High-resolution Imaging and Identification of Multiple Pedestrians Using UWB Doppler Radar Interferometry and Adaptive Array Processing," Proceedings of International Symposium on Antennas and Propagation (ISAP2016), October 2016. 

34. 〇Shouhei Kidera, Yuta Sasaki, Shang Fang, Tetsuo Kirimoto, Kenshi Saho, and Toru Sato, "Accuracy Enhanced RPM Method Using Doppler Based Range Points Clustering for 140GHz Band UWB Radar," Proceedings of International Symposium on Antennas and Propagation (ISAP2016), Accepted for presentation, October 2016. 

35. 〇Kenshi Saho, Yusuke Takahashi, and Masao Masugi, "Moving Object Tracker using Sensor Fusion of Ultrasonic Range Finder and Accelerometer," Proceedings of International Conference on Electrical Engineering (ICEE2016), July 2016.

36. 〇Kenshi Saho and Masao Masugi, "Performance Analysis of Fixed-Gain Position-Velocity-Measured Tracking Filter," IEEE The 2nd International Conference on Control, Automation and Robotics (ICCAR2016), pp. 382-386, April 2016. 

37. 〇Kenshi Saho and Masao Masugi, "High-Resolution Remote Sensing Technique of Moving Objects for Next-Generation 140 GHz Radars," Proceedings of World Engineering Conference 2015, Kyoto, Japan, Accepted for presentation, November 2015

38. 〇Kenshi Saho, "Ultra Wideband Doppler Radar Signal/Image Processing for Human Motion Recognition," Proceedings of The 6th International Conference on Integrated Circuits, Design, and Verification (ICDV 2015), Ho Chi Minh City, Vietnam, August 2015. (Invited)

39. 〇Kenshi Saho and Masao Masugi, "Tracking and Shape Estimation of Multiple Moving Targets using Dual Micro-Doppler Radar Interferometers," Proceedings of International Conference on Electrical Engineering (ICEE2015), Hong Kong, Accepted for presentation, July 2015.

40. 〇Kenshi Saho and Masao Masugi, "Velocity/Shape Estimation Algorithm Using Tracking Filter and Data Fusion of Dual Doppler Radar Interferometers," Proceedings of 2015 the 3rd International Conference on Intelligent and Automation Systems, pp.161-173, Ho Chi Minh City, Vietnam, February 2015. (Excellent Oral Presentation Award)

41. 〇Hiroki Yamazaki, Kenshi Saho, and Toru Sato,"Accurate shape estimation method for multiple moving targets with UWB Doppler radar interferometers," Proceedings of 10th International Conference on Space, Aeronautical and Navigational Electronics 2013 (ICSANE 2013), pp. 7-12, Hanoi, Vietnam, December 2013. 

42. 〇Kenshi Saho, Takuya Sakamoto and Toru Sato, "Imaging of pedestrians with UWB Doppler radar interferometry," Proceedings of International Union of Radio Science, 2013 International Symposium on Electromagnetic Theory (URSI-EMTS 2013), Paper No. 1569694493, Hiroshima, Japan, May 2013.(Invited)

43. 〇Kenshi Saho, Takuya Sakamoto, Toru Sato, Kenichi Inoue and Takeshi Fukuda, "Pedestrian Classification Based on Radial Velocity Features of UWB Doppler Radar Images,” Proceedings of International Symposium on Antennas and Propagation (ISAP2012), pp.90-93, Nagoya, Japan, October 2012. (Best Paper Award)

44. 〇Kenshi Saho, Takuya Sakamoto, Toru Sato, Kenichi Inoue and Takeshi Fukuda, “Experimental Study of Real-Time Human Imaging Using UWB Doppler Radar Interferometry," Proceedings of 6th European Conference on Antenna and Propagation (EuCAP2012) , M16-3, Prague, Czech Republic, March 2012. 

45. 〇Kenshi Saho, Takuya Sakamoto and Toru Sato, “High-Resolution and Real-Time Human Imaging with Low-Complexity Ultra-WideBand Doppler Radar,” 5 th GCOE International Symposium on Photonics and Electronics Science and Engineering, P-41, Kyoto, Japan, March 2012.

46. 〇Kenshi Saho, Takuya Sakamoto, Toru Sato, Kenichi Inoue and Takeshi Fukuda, “High-resolution UWB Doppler radar interferometric imaging algorithm for multiple moving targets with smoothed pseudo Wigner distribution,” Proceedings of International Conference on Space, Aeronautical and Navigational Electronics 2010 (ICSANE2010), pp.261-266,  Jeju-do, Korea, October 2010. 

47. 〇Kenshi Saho, Tomoki Kimura, Shouhei Kidera, Hirofumi Taki, Takuya Sakamoto and Toru Sato, “Experimental study of robust and high-resolution ultrasound imaging algorithm with adaptive smoothing techniques,” Proceedings of Workshop for Space, Aeronautical and Navigational Electronics 2008 (WSANE2008), pp.119-124, Qingdao, China, November 2008. 

Refereed book Chapters

1. Kenshi Saho, "Kalman Filter for Moving Object Tracking: Performance Analysis and Filter Design," Book Chapter in Kalman Filters - Theory for Advanced Applications, Chapter 12, pp.233-251, ISBN 978-953-51-5618-5, Ginalber Luiz de Oliveira Serra (Ed.), InTechOpen, February 2018.

2. Juan Zhang, Michael J. Corinthios, Shuqun Zhang, Davis Montenegro, Javier Gonzalez, Weidong Chen, Kenshi Saho, Xiaowei Yang, Warsame H. Ali, Emmanuel S. Kolawole, Ivan S. Uroukov, “Digital Signal Processing (DSP): fundamentals, techniques and applications,” Nova Science Publishers, May 2016.

International Patents

1. Takeshi Fukuda, Kenichi Inoue, Toru Sato, Takuya Sakamoto, and Kenshi Saho, "Radar Imaging Device, Imaging Method and Program Therefor," International Application Number: PCT/JP2011/003657, International Filing Date: 27.06.2011, Publication Number: WO/2012/020530, Publication Date: 16.02.2012. 

2. Takeshi Fukuda, Kenichi Inoue, Toru Sato, Takuya Sakamoto, and Kenshi Saho, "Radar Imaging Apparatus, Imaging Method, and Program Thereof," Application Number: 13/478323, Filing Date: 23.05.2012, Publication Number: US2012/0293359, Publication Date: 22.11.2012.