Takuya SAKAMOTO, Ph.D.

  • Associate Professor at University of Hyogo, Japan
    Department of Electronics and Computer Science
    Graduate School of Engineering
    University of Hyogo
    2167 Shosha, Himeji, Hyogo 671-2280, Japan
  • Part-time Researcher at Kyoto University, Japan
    Graduate School of Informatics,
    Kyoto University
    Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
  • ORCID iD iconorcid.org/0000-0003-0177-879X
    e-mail:
    TEL: +81-79-267-4987 (Japan)
    Publications
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    阪本 卓也

    京都大学博士(情報学)

  • 兵庫県立大学 准教授
    〒671-2280 兵庫県姫路市書写2167
    兵庫県立大学 大学院工学研究科 電子情報工学専攻
  • 京都大学 非常勤研究員 (COI)
    〒606-8501 京都市左京区吉田本町
    京都大学 大学院情報学研究科 通信情報システム専攻
    集積システム工学講座 超高速信号処理分野
  • 研究室
    (兵庫県立大学)
    兵庫県立大学姫路工学キャンパス6号館6203号室
    電話: 079-267-4987
    FAX: 079-267-4987
    (京都大学)
    京都大学吉田キャンパス総合研究12号館114号室
    電話: 075-753-83394
    FAX: 075-753-3342
  • 研究テーマ 論文,会議資料
    超広帯域(UWB)レーダイメージング技術
    レーダによる運動人体測定技術
    レーダによる遠隔心拍測定技術
    超広帯域レーダによる不審物検出
    レーダによる睡眠モニタリング
  • 最近の主な論文(全リスト)
    1. Takuya Sakamoto and Toru Sato,
      "A Target shape estimation algorithm for pulse radar systems based on boundary scattering transform,"
      IEICE Transactions on Communications, vol. E87-B, no. 5, pp. 1357-1365, May 2004.
    2. Takuya Sakamoto and Toru Sato,
      "An estimation algorithm of target location and scattered waveforms for UWB pulse radar systems,"
      IEICE Transactions on Communications, vol. E87-B, no. 6, pp. 1631-1638, June 2004.
    3. Takuya Sakamoto, Daisuke Umehara, Yoshiteru Morihiro and Makoto Kawai,
      "A synchronization method for synchronous CDMA broadband communication systems with GEO satellites,"
      IEICE Transactions on Communications, vol. E87-B, no. 8, pp. 2111-2118, Aug. 2004.
    4. Takuya Sakamoto and Toru Sato,
      "A phase compensation algorithm for high-resolution pulse radar systems,"
      IEICE Transactions on Communications, vol. E87-B, no. 11, pp. 3314-3321, Nov. 2004.
    5. (In Japanese)Toru Sato, Takuya Sakamoto,
      "Image reconstruction algorithms for UWB pulse radar systems,"
      IEICE Transactions Japanese Edition, vol. J88-B, no. 12, pp. 2311-2325, Dec. 2005.
    6. Shouhei Kidera, Takuya Sakamoto, Satoshi Sugino, and Toru Sato,
      "An accurate imaging algorithm with scattered waveform estimation for UWB pulse radars,"
      IEICE Transactions on Communications, vol. E89-B, no. 9, pp. 2588-2595, Sep. 2006.
    7. (In Japanese)Takuya Sakamoto, Shouhei Kidera, Toru Sato, Satoshi Sugino,
      "An experimental study on a fast 3-D imaging algorithm for UWB pulse radars,"
      IEICE Transactions Japanese Edition, vol. J90-B, no. 1, pp. 66-73, Jan. 2007.
    8. Takuya Sakamoto,
      "A 2-D image stabilization algorithm for UWB pulse radars with fractional boundary scattering transform,"
      IEICE Transactions on Communications, vol. E90-B, no. 1, pp. 131-139, Jan. 2007.
    9. Takuya Sakamoto,
      "A fast algorithm for 3-dimensional imaging with UWB pulse radar systems,"
      IEICE Transactions on Communications, vol. E90-B, no. 3, pp. 636-644, Mar. 2007.
    10. Shouhei Kidera, Takuya Sakamoto, Toru Sato,
      "A High-Resolution Imaging Algorithm without Derivatives Based on Waveform Estimation for UWB Radars,"
      IEICE Transactions on Communications, vol. E90-B, no. 6, pp. 1487-1494, June 2007.
    11. Shouhei Kidera, Takuya Sakamoto, Toru Sato,
      "A robust and fast imaging algorithm with an envelope of circles for UWB pulse radars,"
      IEICE Transactions on Communications, vol. E90-B, no. 7, pp. 1801-1809, July 2007.
    12. Kentaro Isoda, Takuya Sakamoto, Toru Sato,
      "Effective Echo Detection and Accurate Orbit Estimation Algorithms for Space Debris Radar,"
      IEICE Transactions on Communications, vol. E91-B, no. 3, pp. 887-895, Mar. 2008.
    13. Shouhei Kidera, Takuya Sakamoto, and Toru Sato,
      "High-resolution and real-time 3-D imaging algorithm with envelope of spheres for UWB radars,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 46, no. 11, pp. 3503-3513, Nov. 2008.
    14. Shouhei Kidera, Yusuke Kani, Takuya Sakamoto, Toru Sato,
      "A fast and high-resolution 3-D imaging algorithm with linear array antennas for UWB pulse radars,"
      IEICE Transactions on Communications, vol. E91-B, no. 8, pp. 2683-2691, Aug. 2008.
    15. Takuya Sakamoto and Toru Sato,
      "2-Dimensional Imaging for Human Bodies with UWB Radar using Approximately Uniform Walking Motion along a Straight Line with the SEABED Algorithm,"
      IEICE Transactions on Communications, vol. E91-B, no. 11, pp. 3695-3703, Nov. 2008.
    16. Takuya Sakamoto and Toru Sato,
      "Code-Division Multiple Transmission for High-Speed UWB Radar Imaging with an Antenna Array,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 47, no. 4, pp. 1186-1179, April 2009.
    17. Tomoki Kimura, Hirofumi Taki, Takuya Sakamoto and Toru Sato,
      "Experimental study of high range resolution medical acoustic imaging for multiple target detection with frequency domain interferometry,"
      Japanese Journal of Applied Physics, vol. 48, no. 7, 07GJ07, July 2009.
    18. Shouhei Kidera, Takuya Sakamoto, and Toru Sato,
      "High-resolution 3-D Imaging Algorithm with Envelope of Modified Spheres for UWB Through-the-Wall Radars,"
      IEEE Transactions on Antennas & Propagation, vol. 57, no. 11, pp. 3520-3529, Nov. 2009.
    19. Shouhei Kidera, Takuya Sakamoto, and Toru Sato,
      "Accurate UWB Radar 3-D Imaging Algorithm for Complex Boundary without Range Points Connections,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 48, no. 4, pp. 1993-2004, April 2010.
    20. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina, Toru Sato,
      "Calculus Detection for Ultrasonography Using Decorrelation of Forward Scattered Wave,"
      Journal of Medical Ultasonics, vol. 37, no. 3, pp. 129-135, July 2010.
    21. Yuji Matsuki, Takuya Sakamoto, Toru Sato,
      "An Imaging Algorithm of a Target with Arbitrary Motion for Ultra Wide-Band Radar with a Small Number of Antennas,"
      IEICE Transactions on Communications, vol. E94-B, no. 03, pp. 742-749, March 2011.
    22. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina, Kenichi Nagae and Toru Sato,
      "Small calcification depiction in ultrasound B-mode images using decorrelation of echoes caused by forward scattered waves,"
      Journal of Medical Ultasonics, vol. 38, no. 2, pp. 73-80, April 2011.
    23. Shouhei Kidera, Takuya Sakamoto and Toru Sato,
      "Super-Resolution UWB Radar Imaging Algorithm Based on Extended Capon with Reference Signal Optimization,"
      IEEE Transactions on Antennas & Propagation, vol. 59, no. 5, pp. 1606 - 1615, May 2011.
    24. Takuya Sakamoto, Hirofumi Taki, and Toru Sato,
      "An Experimental Study of Ultrasonic Imaging with a Reduced Number of Array Elements using the Envelope Method,"
      Acoustical Science and Technology (AST), the Acoustical Society of Japan, vol. 32, no. 4, pp. 143-150 July 2011.
    25. Takuya Sakamoto and Toru Sato,
      "Two-Dimensional Ultra-Wide-Band Radar Imaging of a Target with Arbitrary Translation and Rotation,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 49, no. 11, pp. 4493-4502, Nov. 2011.
    26. Shuhei Fujita, Takuya Sakamoto and Toru Sato,
      "2-Dimensional Accurate Imaging with UWB Radar Using Indoor Multipath Echoes for a Target in Shadow Regions,"
      IEICE Transactions on Communications, vol. E94-B, no. 8, pp. 2366-2374, Aug. 2011.
    27. Shouhei Kidera, Takuya Sakamoto and Toru Sato,
      "Extended Imaging Algorithm Based on Aperture Synthesis with Double Scattered Waves for UWB Radars,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 49, no. 12, pp. 5128-5139, Dec. 2011.
    28. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina, and Toru Sato,
      "Ultrasound Phantom Using Thin Wires for the Depiction of Calcification -- Comparison of Cross-Sections of Wire Targets and Mass Targets,"
      IEEJ Transactions on Electronics, Information and Systems, vol. 131, no. 9, pp. 1528-1534, Sept. 2011.
    29. Hirofumi Taki, Kousuke Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina, Motoi Kudo and Toru Sato,
      "High Range Resolution Ultrasonographic Vascular Imaging Using Frequency Domain Interferometry with the Capon Method,"
      IEEE Transactions on Medical Imaging, vol. 31, no. 2, pp. 417-429, Feb. 2012.
    30. 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. E95-B, no. 2, pp. 572-580, Feb. 2012.
    31. Takuya Sakamoto, Yuji Matsuki, and Toru Sato,
      "Method for the Three-Dimensional Imaging of a Moving Target using an Ultra-Wideband Radar with a Small Number of Antennas,"
      IEICE Transactions on Communications, vol. E95-B, no. 3, pp. 972-979, March 2012.
    32. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina and Toru Sato
      "High resolution ultrasound imaging using frequency domain interferometry - suppression of interference using adaptive frequency averaging -,"
      IEEJ Transactions on Electronics, Information and Systems, vol. 132, no. 10, pp. 1552-1557, Oct. 2012.
    33. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina and Toru Sato
      "Small calcification indicator in ultrasonography using correlation of echoes with a modified Wiener filter,"
      Journal of Medical Ultasonics, vol. 39, pp. 127-135, July 2012.
    34. 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, Feb. 2013.
    35. 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, vol. E96-B, no. 10, pp. 2563-2572, Oct. 2013.
    36. 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.
    37. Hirofumi Taki, Shinya Tanimura, Takuya Sakamoto, Tsuyoshi Shiina and Toru Sato,
      "Accurate ultrasound imaging based on Range Point Migration method for the depiction of fetal surface,"
      Journal of Medical Ultasonics, DOI: 10.1007/s10396-014-0574-4, Sep. 2014.
    38. Takuya Sakamoto, Toru Sato, Pascal J. Aubry, and Alexander G. Yarovoy,
      "Texture-Based Automatic Separation of Echoes from Distributed Moving Targets in UWB Radar Signals,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 53, no. 1, pp. 352-361, January 2015.
    39. Takuya Sakamoto, Toru Sato, Pascal Aubry, and Alexander Yarovoy,
      "Ultra-Wideband Radar Imaging using a Hybrid of Kirchhoff Migration and Stolt F-K Migration with an Inverse Boundary Scattering Transform,"
      IEEE Transactions on Antennas and Propagation, vol. 63, no. 8, pp. 3502-3512, Aug. 2015.
    40. Takuya Sakamoto, Ryohei Imasaka, Hirofumi Taki, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Accurate heartbeat monitoring using ultra-wideband radar,"
      IEICE Electronics Express, vol. 12, no. 3, pp. 20141197, 2015.
    41. Yuan He, Pavlo Molchanov, Takuya Sakamoto, Pascal Aubry, Francois Le Chevalier, and Alexander Yarovoy,
      "Range-Doppler Surface: A Tool to Analyze Human Target in Ultra-Wideband Radar,"
      IET Radar, Sonar & Navigation, vol. 9, no. 9, pp. 1240-1250, DOI: 10.1049/iet-rsn.2015.0065, Dec. 2015.
    42. Takuya Sakamoto, Hiroki Yamazaki, and Toru Sato,
      "Two-dimensional imaging of a pedestrian using multiple wideband Doppler interferometers with clustering-based echo association,"
      IEICE Transactions on Communications, vol. E98-B, no. 9, pp. 1795-1803, Sep. 2015.
    43. Takuya Sakamoto, Shigeaki Okumura, Ryosuke Imanishi, Hirofumi Taki, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Remote heartbeat monitoring from human soles using 60-GHz ultra-wideband radar Accurate heartbeat monitoring using ultra-wideband radar,"
      IEICE Electronics Express, vol. 12, no. 21, pp. 20150786, 2015.
    44. Hiroki Yamazaki, Takuya Sakamoto, Hirofumi Taki, and Toru Sato,
      "False image suppression in two-dimensional shape estimates of a walking human using multiple ultra-wideband Doppler radar interferometers,"
      IEICE Transactions on Communications, vol. E99-B, no. 1, pp. 134-142, Jan. 2016.
    45. Takuya Sakamoto, Ryohei Imasaka, Hirofumi Taki, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Feature-based correlation and topological similarity for interbeat interval estimation using ultra-wideband radar,"
      IEEE Transactions on Biomedical Engineering, vol. 63, no. 4, pp. 747-757, April 2016.
    46. Thomas Fromenteze, Ettien Kpre, David Carsenat, Cyril Decroze, and Takuya Sakamoto,
      "Single-shot compressive multiple-inputs multiple-outputs radar imaging using a two-port passive device,"
      IEEE Access, vol. 4, pp. 1050-1060, March 2016.
    47. Takuya Sakamoto, Toru Sato, Pascal Aubry, and Alexander Yarovoy,
      "Fast imaging method for security systems using ultrawideband radar,"
      IEEE Transactions on Aerospace and Electronic Systems, vol. 52, no. 2, pp. 658-670, April 2016.
    48. Shigeaki Okumura, Takuya Sakamoto, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Comparison of clutter rejection techniques for measurement of small displacements of body surface using radar,"
      Electronics Letters, vol. 52, no. 19, pp. 1635-1637, Sep 15, DOI: 10.1049/el.2016.1461, 2016.
    49. 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, no. 1, pp. 190-200, Feb. 2017.
    50. Takuya Sakamoto, Daichi Akiyama, Takuro Sato, and Toru Sato,
      "Spectrum-free estimation of Doppler velocities using ultra-wideband radar,"
      IEEE Access, vol. 5, pp. 3240-3249, 2017.
    51. Takuya Sakamoto, Akihiko Matsuoka, and Hidekuni Yomo,
      "Estimation of Doppler velocities from sub-Nyquist ultra-wideband radar measurements,"
      IEEE Sensors Journal, vol. 16, no. 23, pp. 8557-8565, Dec. 2016.
  • 所属学会
    電子情報通信学会 (IEICE) 正員
    電気学会 (IEEJ) 正員
    The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Member
    日本超音波医学会 正員
  • 学会活動
  • 国際会議での活動
  • 学歴
    平成8年(1996)3月25日 大阪明星学園明星高等学校卒業
    平成8年(1996)4月1日 京都大学工学部電気電子工学科入学
    平成12年(2000)3月24日 京都大学工学部電気電子工学科卒業
    平成12年(2000)4月1日 京都大学大学院情報学研究科通信情報システム専攻修士課程入学
    平成14年(2002)3月25日 京都大学大学院情報学研究科通信情報システム専攻修士課程修了
    平成14年(2002)4月1日 京都大学大学院情報学研究科通信情報システム専攻博士後期課程進学
    平成17年(2005)1月24日 京都大学大学院情報学研究科通信情報システム専攻博士後期課程修了
  • 学位
    平成17年(2005)1月24日 京都大学博士(情報学)(情博第136号)
    "Nonparametric Imaging Algorithms for UWB Pulse Radars (UWBパルスレーダのためのノンパラメトリックな画像化手法)"
  • 職歴
  • 英語
    英語: CEFR level C2 , January 18, 2012.
    CEFRとは?Common European Framework of Reference for Languagesを意味し、A(初級)、B(中級)、C(上級)がそれぞれさらに2段階に分類される。
    この中でC1(上級の一段階目)は TOEIC 990満点およびTOEFL IBT 120満点と同程度の英語能力に相当する。
    最高レベルであるC2はそれを超える評価であり、Masteryと呼ばれる。
    TOEIC 970 (Listening 495満点/ Reading 475) 平成26年6月22日受験
  • オランダ語: 日常会話が可能 (CEFR level A2)
  • 賞罰
  • セミナー
  • 招待講演
  • 開発技術の報道
  • 社会貢献(一般の方を対象とした講演・研究紹介)
  • 国内特許
    1. 心拍測定装置
      発明者: 佐藤 亨, 阪本 卓也, 福田 健志, 吉岡 元貴
      出願: 特願2015-104614
    2. 超音波診断装置およびその制御方法
      発明者: 瀧 宏文, 佐藤 亨, 阪本 卓也, 木村 智樹, 長永 兼一
      公開: 特開2013-176697,
    3. 被検体情報取得装置、被検体情報取得方法、及びプログラム
      発明者: 瀧 宏文, 阪本 卓也, 佐藤 亨, 長永 兼一
      公開: 特開2013-052074,
    4. 被検体情報取得装置、被検体情報取得方法、及びプログラム
      発明者: 瀧 宏文, 阪本 卓也, 佐藤 亨, 長永 兼一
      公開: 特開2013-052073,
    5. 生体情報処理装置および生体情報処理方法
      発明者: 瀧 宏文, 佐藤 亨, 阪本 卓也, 木村 智樹, 長永 兼一
      公開: 特開2010-183979
      特許成立: 特許5312081
    6. 測距装置、形状測定装置及びそれらの方法
      発明者: 酒井 啓之, 福田 健志, 井上 謙一, 佐藤 亨, 阪本 卓也, 可児 佑介
      公開: 特開2009-222592
    7. 位置測定装置および該方法
      発明者: 北村 尭之, 阪本 卓也, 佐藤 亨
      公開: 特開2009-204572
    8. 形状測定装置および該方法
      発明者: 木寺 正平, 阪本 卓也, 佐藤 亨
      公開: 特開2009-025030
    9. 形状測定装置及び該方法
      発明者: 木寺 正平, 阪本 卓也, 佐藤 亨
      公開: 特開2006-343205
    10. レーダイメージング装置、イメージング方法及びそのプログラム
      発明者: 酒井 啓之, 福田 健志, 佐藤 亨, 阪本 卓也, 佐保 賢志
      公開: 再表2012/020530
    11. 形状測定装置および形状測定方法
      発明者: 酒井 啓之, 福田 健志, 阪本 卓也, 佐藤 亨
      公開: 再表2008/139687
  • 国際特許
  • 共同研究
  • 研究助成
  • 学内委員等
  • 授業担当
  • 学位論文審査委員
  • 内見委員
  • 国内会議座長
  • 指導学生
    研究室紹介に戻る.