Tsubasa Hirakawa

Machine Perception and Robotics Group (MPRG)
College of Engineering, Chubu Universiy
1200, Matsumoto-cho, Kasugai-city, Aichi, Japan, 487-0027, Japan
Curriculum Virtae Google Scholar

Education

2014-2017 Ph.D. Information Engineering: Graduate School of Engineering, Hiroshima Univeristy, Japan
2012-2013 M.S. Information Engineering: Graduate School of Engineering, Hiroshima University, Japan
2008-2012 B.S. Engineering: Department of Electrical, Computer and Systems Engineering, Faculty of Engineering, Hiroshima University, Japan

Experience

Since 2017 Researcher at Chubu University, Japan
2015-2016 Visiting Researcher at ESIEE Paris, France

Publications

Journal

  1. Tsubasa Hirakawa, Toru Tamaki, Takio Kurita, Bisser Raytchev, Kazufumi Kaneda, Chaohui Wang, Laurent Najman, "Tree-wise Discriminative Subtree Selection for Texture Image Labeling," IEEE access, vol. 5, pp. 13617-13634, 2017. [online] [preprint]
  2. Tsubasa Hirakawa, Toru Tamaki, Bisser Raytchev, Kazufumi Kaneda, Tetsushi Koide, Shigeto Yoshida, Yoko Kominami, Shinji Tanaka, "Defocus-aware Dirichlet particle filter for stable endoscopic video framerecognition," Artificial Intelligence in Medicine, vol. 68, pp. 1-16, 2016. [online] [preprint]
  3. Yoko Kominami, Shigeto Yoshida, Shinji Tanaka, Yoji Sanomura, Tsubasa Hirakawa, Bisser Raytchev, Toru Tamaki, Tetsusi Koide, Kazufumi Kaneda, Kazuaki Chayama, “Computer-aided diagnosis of colorectal polyp histology by using a real-time image recognition system and narrow-band imaging magnifying colonoscopy,” Gastrointestinal Endoscopy, vol. 83, no. 3, pp. 643-649, 2016. [online]

Conference Paper

  1. Tsubasa Hirakawa, Takayoshi Yamashita, Ken Yoda, Toru Tamaki, Hironobu Fujiyoshi, "Travel Time-dependent Maximum Entropy Inverse Reinforcement Learning for Seabird Trajectory Prediction," In Proc. of Asian Conference on Pattern Recognition (ACPR2017), pp. 430-435, Nov. 2017. [pdf]
  2. Tsubasa Hirakawa,Toru Tamaki, Takio Kurita, Bisser Raytchev, Kazufumi Kaneda, Chaohui Wang, Laurent Najman, Tetsushi Koide, Shigeto Yoshida, Hiroshi Mieno, Shinji Tanaka, "Discriminative Subtree Selection for NBI Endoscopic Image Labeling," In Proc. of ACCV 2016 workshop on Mathematical and Computational Methods in Biomedical Imaging and Image Analysis, pp. 610-624, Nov. 2016. [pdf]
  3. Shoji Sonoyama, Toru Tamaki, Tsubasa Hirakawa, Bisser Raytchev, Kazufumi Kaneda, Tetsushi Koide, Shigeto Yoshida, Hiroshi Mieno and Shinji Tanaka, "Transfer Learning for Endoscopic Image Classification," In Proc. of The Korea-Japan joint workshop on Frontiers of Computer Vision (FCV2016), pp.258-262, Feb. 2016. [arXiv]
  4. Toru Tamaki, Shoji Sonoyama, Tsubasa Hirakawa, Bisser Raytchev, Kazufumi Kaneda, Tetsushi Koide, Shigeto Yoshida, Hiroshi Mieno and Shinji Tanaka, "Computer-Aided Colorectal Tumor Classification in NBI Endoscopy Using CNN Features," In Proc. of The Korea-Japan joint workshop on Frontiers of Computer Vision (FCV2016), pp. 61-65, Feb. 2016. [arXiv]
  5. Shoji Sonoyama, Tsubasa Hirakawa, Toru Tamaki, Takio Kurita, Bisser Raytchev, Kazufumi Kaneda, Tetsushi Koide, Shigeto Yoshida, Yoko Kominami, Shinji Tanaka, "Transfer Learning for Bag-of-Visual Words Approach to NBI endoscopic image classification," In Proc. of the IEEE International Conference of Engineering in Medicine and Biology Society (EMBC2015), pp. 25-29, Aug. 2015.
  6. Shoji Sonoyama, Toru Tamaki, Tsubasa Hirakawa, Bisser Raytchev, Kazufumi Kaneda, Tetsushi Koide, Yoko Kominami, Shigeto Yoshida, Shinji Tanaka, "Trade-off between speed and performance for colorectal endoscopic NBI image classification," In Proc. of SPIE Medical Imaging 2015, vol. 9413, Mar. 2015.
  7. Tsubasa Hirakawa, Toru Tamaki, Bisser Raytchev, Kazufumi Kaneda, Tetsushi Koide, Yoko Kominami, Shigeto Yoshida, Shinji Tanaka, "SVM-MRF segmentation of colorectal NBI endoscopic images," In Proc. of the IEEE International Conference of Engineering in Medicine and Biology Society (EMBC2014), pp.4739-4742, Aug. 2014. [pdf]
  8. Tsubasa Hirakawa, Toru Tamaki, Bisser Raytchev, Kazufumi Kaneda, Tetsushi Koide, Yoko Kominami, Rie Miyaki, Taiji Matsuo, Shigeto Yoshida, Shinji Tanaka, "Smoothing posterior probabilities with a particle filter of dirichlet distribution for stabilizing colorectal NBI endoscopy recognition,"" In Proc. of the IEEE International Conference on Image Processing (ICIP2013), pp. 621-625, Sept. 2013. [pdf]
  9. Tsubasa Hirakawa, Toru Tamaki, Bisser Raychev, Kazufumi Kaneda, Tetsushi Koide, Shigeto Yoshida, Yoko Kominami, Taiji Matsuo, Rie Miyaki, Shinji Tanaka, "Labeling colorectal NBI zoom- videoendoscope image sequences with MRF and SVM," In Proc. of the IEEE International Conference of Engineering in Medicine and Biology Society (EMBC2013), pp.4831-4834, Jul. 2013. [pdf]
  10. Rie Miyaki, Shigeto Yoshida, Shinji Tanaka, Yoko Kominami, Yoji Sanomura, Taiji Matsuo, Shiro Oka, Tsubasa Hirakawa, Bisser Raytchev, Toru Tamaki, Tsubasa Mishima, Satoshi Shigemi, Tetsushi Koide, Kazufumi Kaneda, Masaharu Yoshihara, Kazuaki Chayama, "Usefulness of magnifying endoscopy with Blue LASER Imaging for diagnosis of early gastric cancer," American Society for Gastrointestinal Endoscopy (ASGE2013), May 2013.
  11. Yoko Kominami, Shigeto Yoshida, Shinji Tanaka, Rie Miyaki, Yoji Sanomura, Taiji Matsuo, Hiroyuki Kanao, Shiro Oka, Tsubasa Hirakawa, Tsubasa Mishima, Satoshi Shigemi, Bisser Raytchev, Toru Tamaki, Tetsusi Koide, Kazuhumi Kaneda, Kazuaki Chayama, "Quantitative analysis of NBI magnifying colonoscopy images based on Bag-of-Features for diagnosis of colorectal tumors," American Society for Gastrointestinal Endoscopy (ASGE2013), May 2013.

Preprint and No Peer-Reviewed Conference

  1. Tsubasa Hirakawa, Toru Tamaki, Bisser Raytchev, Kazufumi Kaneda, Tetsushi Koide, Shigeto Yoshida, Hiroshi Mieno, Shinji Tanaka, "Development of a Real-time Colorectal Tumor Classification System for Narrow-band Imaging zoom-videoendoscopy," arXiv preprint, arXiv:1612.05000, 2016. [arXiv]
  2. Tsubasa Hirakawa, Toru Tamaki, Bisser Raytchev, Kazufumi Kaneda, Tetsushi Koide, Shigeto Yoshida, Hiroshi Mieno, Shinji Tanaka, "Discriminative Subtree Selection for NBI Endoscopic Image Labeling," In Proc. of International Symposium on Biomedical Engineering, pp.170-171, Nov. 2016. (No peer-reviewed)
  3. Takumi Okamoto, Tetsuhi Koide, Anh-Tuan Hoang, Tatsuya Shimizu, Koki Sugi, Toru Tamaki, Tsubasa Hirakawa, Bisser Raytchev, Kazufumi Kaneda, Shigeto Yoshida, Hiroshi Mieno, Shinji Tanaka, "A Real-Time Feature Extraction Method for Colorectal Endoscopic Images toward Computer-Aided Diagnosis," In Proc. of International Symposium on Biomedical Engineering, pp.162-163, Nov. 2016. (No peer-reviewed)
  4. Takumi Okamoto, Tetsuhi Koide, Anh-Tuan Hoang, Tatsuya Shimizu, Koki Sugi, Toru Tamaki, Tsubasa Hirakawa, Bisser Raytchev, Kazufumi Kaneda, Shigeto Yoshida, Hiroshi Mieno, Shinji Tanaka, "A Real-Time Feature Transformation Method for Colorectal Endoscopic Images toward Computer-Aided Diagnosis," In Proc. of International Symposium on Biomedical Engineering, pp.164-165, Nov. 2016. (No peer-reviewed)
  5. Takumi Okamoto, Tetsuhi Koide, Anh-Tuan Hoang, Tatsuya Shimizu, Koki Sugi, Toru Tamaki, Tsubasa Hirakawa, Bisser Raytchev, Kazufumi Kaneda, Shigeto Yoshida, Hiroshi Mieno, Shinji Tanaka, "A Real-Time Type Identification Method for Colorectal Endoscopic Images toward Computer-Aided Diagnosis," In Proc. of International Symposium on Biomedical Engineering, pp.166-167, Nov. 2016. (No peer-reviewed)

Domestic Conference, Symposium and Workshop (in Japanese)

  1. 平川翼, 山下隆義, 玉木徹, 藤吉弘亘, 「サーベイ論文: 動画像を用いた経路予測手法の分類」, 電子情報通信学会技術報告, パターン認識・メディア理解研究会, PRMU2017-82, vol. 117, no. 238, pp. 109-118, 熊本大学, 熊本 (2017 10).
    [SlideShare]
  2. 村瀬卓也, 平川翼, 山下隆義, 藤吉弘亘, 「自己状態を付与したCNNによる自動運転制御の高精度化」, 電子情報通信学会技術報告, パターン認識・メディア理解研究会, PRMU2017-82, vol. 117, no. 238, pp. 85-90, 熊本大学, 熊本 (2017 10).
  3. 岡本拓巳, 小出哲士, Anh-Tuan Hoang, 玉木徹, 平川翼, Bisser Raytchev, 金田和文, 吉田成人, 三重野寛, 田中信治, 「大腸NBI拡大内視鏡を用いた大腸ガン診断支援システム」, 第20回画像の認識・理解シンポジウム (MIRU2017), 広島国際会議場, 広島 (2017 08).
  4. 平川翼, 栗田多喜夫, Bisser Raytchev, 金田和文, 小出哲士, 吉田成人, 三重野寛, 田中信治, 「最適部分木選択による領域分割と大腸内視鏡画像への適用」, 電子情報通信学会技術報告, 医用画像研究会, MI2016-108, vol. 116, no. 393, pp. 139-144, ぶんかテンブス館, 沖縄 (2017 01).
  5. 平川翼, 玉木徹, 栗田多喜夫, Bisser Raytchev, 金田和文, 「Discriminative Subtree Selection for Texture Segmentation」, 第19回画像の認識・理解シンポジウム (MIRU2016), アクトシティ浜松, 静岡 (2016 08).
  6. 園山昌司, 平川翼, 玉木徹, 栗田多喜夫, Bisser Raychev, 金田和文, 小出哲士, 吉田成人, 三重野寛, 田中信治, 「大腸内視鏡画像認識のための転移学習手法」, 電子情報通信学会技術報告, 医用画像研究会 MI2015-119, pp.223-227, ぶんかテンブス館, 沖縄 (2016 01).
  7. 平川翼, 玉木徹, Bisser Raychev, 金田和文, 小出哲士, 小南陽子, 吉田成人, 田中信治, 「SVMとMRFを用いた大腸NBI内視鏡画像の領域分割」, 第17回画像の認識・理解シンポジウム (MIRU2014), 岡山コンベンションセンター, 岡山 (2014 07).
  8. 園山昌司, 平川翼, 玉木徹, Bisser Raytchev, 金田和文, 小出哲士, 小南陽子, 吉田成人, 田中信治, 「大腸NBI拡大内視鏡映像のリアルタイム認識システムの構築」, 平成26年度 (第65回) 電気・情報関連学会中国支部連合大会公園論文集, 福山大学, 広島 (2014 10).
  9. 平川翼, 玉木徹, Bisser Raychev, 金田和文, 小出哲士, 小南陽子, 宮木理恵, 松尾泰治, 吉田成人, 田中信治, 「大腸NBI内視鏡画像の領域分割」, 電子情報通信学会技術報告, 医用画像研究会 MI2013-53, vol. 113, no. 281, pp. 39-43, 広島市立大学, 広島 (2013 11).
  10. 小南陽子, 吉田成人, 田中信治, 宮木理恵, 佐野村洋次, 松尾泰治, 金尾浩幸, 岡 志郎, 平川 翼, 三島 翼, 重見 悟, Bisser Raytchev, 玉木 徹, 小出哲士, 金田和文, 茶山一彰, 「Bag-of-Featuresによる大腸NBI拡大内視鏡画像の定量化に関する検討」, 第78回大腸癌研究会, 2013/1/18, 東京 (2013).
  11. 平川翼, 玉木徹, Bisser Raytchev, 金田和文, 小出哲士, 小南陽子, 宮木理恵, 松尾泰治, 吉田成人, 田中信治, 「事後確率平滑化のためのディリクレ分布パーティクルフィルタ~大腸NBI内視鏡映像への応用~」, 電子情報通信学会技術報告, 医用画像研究会 MI2012-100, vol. 112, no. 411, pp. 201-206, ぶんかテンブス館, 沖縄 (2013 01).
  12. 平川翼, 玉木徹, Bisser Raytchev, 金田和文, 吉田成人, 竹村嘉人, 蔭地啓市, 宮木理恵, 田中信治, 「MRFを用いた大腸NBI内視鏡動画像の時系列ラベリング」, 第15回画像の認識・理解シンポジウム (MIRU2012), 福岡国際会議場, 福岡 (2012 08).
  13. 平川翼, 玉木徹, Bisser Raytchev, 金田和文, 吉田成人, 竹村嘉人, 蔭地啓市, 宮木理恵, 田中信治, 「MRFとDPを用いた大腸NBI内視鏡動画像の時系列ラベリング」, 電子情報通信学会技術報告, 医用画像処理研究会 MI2012-30, vol. 112, no. 142, pp. 47-52, 山形大学, 山形 (2012 07).
  14. 横田大地, 平川翼, 玉木徹, Bisser Raytchev, 金田和文, 吉田成人, 竹村嘉人, 蔭地啓市, 宮木理恵, 田中信治, 「大腸NBI内視鏡動画像の安定化」, 第18回画像センシングシンポジウム SSII2012, pp.IS1-09-1-IS1-09-5, パシフィコ横浜, 神奈川 (2012 06).
  15. 平川翼, 玉木徹, Bisser Raytchev, 金田和文, 吉田成人, 田中信治, 「MRFを用いた大腸NBI内視鏡動画像の認識」, 電子情報通信学会技術報告, パターン認識・メディア理解研究会 PRMU2011-207, vol. 111, no. 430, pp. 115-116, 東北大学, 宮城 (2012 02).

Lectures

  1. 玉木 徹, 平川翼, 山下隆義, 藤吉弘亘, 「映像中の人物行動の解析と予測」, 日本ロボット学会誌, Vol. 35, No. 8, pp.42-47, 2017.
  2. 平川翼, 「CVPR2017参加報告」, 第48回 名古屋CV・PRML勉強会, 2017/08/26, 中部大学, 名古屋 (2017 08).
    [SlideShare]
  3. 平川翼, 「はじめてのグラフカット」, 第21回 名古屋CV・PRML勉強会, 2012/11/17, 中部大学, 名古屋 (2012 11).
    [SlideShare]

Thesis

  1. Tsubasa Hirakawa, "Stabilization and Image Labeling for NBI Endoscopic Image Recognition," Ph.D. Thesis, November 2017.
    [PDF]