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Biography
  • 2003.03 大阪大学工学部卒業
  • 2004.03 大阪大学大学院 情報科学研究科 博士前期課程修了
  • 2006.03 大阪大学大学院 情報科学研究科 博士後期課程修了
  • 2006.04 NTT入社 コミュニケーション科学基礎研究所配属
  • 2012.04- 大阪大学大学院 情報科学研究科 マルチメディア工学専攻 准教授
  • 2013.08-10 スイス連邦工科大学ローザンヌ校 招聘教授
  • 2014.08- 国際電気通信基礎技術研究所 客員研究員・連携研究員
Research Interests
  • ウェアラブル/ユビキタスセンシング
  • 日常行動センシング
  • 屋内位置計測
  • IoT (Internet of Things)
  • 生物移動情報学
  • ライフログ・ライフロギング
  • Webコンテンツ処理

Selected Publications
  1. Kazuya Ohara, Takuya Maekawa, and Yasuyuki Matsushita: Detecting State Changes of Indoor Everyday Objects using Wi-Fi Channel State Information, Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Vol. 1, Issue 3, pp. - (2017 to appear). (Presented at UbiComp 2017)
  2. Masumi Shirakawa, Takahiro Hara and Takuya Maekawa: Never Abandon Minorities: Exhaustive Extraction of Bursty Phrases on Microblogs Using Set Cover Problem, Conference on Empirical Methods in Natural Language Processing (EMNLP 2017) (Sept. 2017, to appear)
  3. Joseph Korpela and Takuya Maekawa: Privacy-Preserving Recognition of Object-based Activities Using Near-Infrared Reflective Markers, ACM/Springer Personal and Ubiquitous Computing (ACM/Springer PUC), Vol. , Issue , pp. - (accepted). [Impact Factor(2016): 2.395]
  4. Osamu Ammae, Joseph Korpela, and Takuya Maekawa: Unobtrusive Detection of Body Movements During Sleep Using Wi-Fi Received Signal Strength With Model Adaptation Technique, Elsevier Future Generation Computer Systems, Vol. , Issue , pp. - (accepted). [Impact Factor(2015): 2.430]
  5. Hiroaki Santo, Takuya Maekawa, and Yasuyuki Matsushita: Device-free and Privacy Preserving Indoor Positioning using Infrared Retro-reflection Imaging, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2017), pp. 141-152 (Mar. 2017). (Acceptance rate for full papers = 28/194 = 14.4%)
  6. Taisei Hayashi, Daisuke Taniuchi, Joseph Korpela, and Takuya Maekawa: Spatio-temporal Adaptive Indoor Positioning Using an Ensemble Approach, Elsevier Pervasive and Mobile Computing, Vol. , Issue , pp. - (accepted). [Impact Factor(2015): 1.719]
  7. Takuya Maekawa, Daisuke Nakai, Kazuya Ohara, and Yasuo Namioka: Toward Practical Factory Activity Recognition: Unsupervised Understanding of Repetitive Assembly Work in a Factory, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 1088-1099 (Sept. 2016). (Acceptance rate = 114/481 = 23.7%)
  8. Quan Kong, Takuya Maekawa, Taiki Miyanishi, and Takayuki Suyama: Selecting Home Appliances with Smart Glass based on Contextual Information, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 97-108 (Sept. 2016). (Acceptance rate = 114/481 = 23.7%)
  9. Masaya Tachikawa, Takuya Maekawa, and Yasuyuki Matsushita: Predicting Location Semantics Combining Active and Passive Sensing with Environment-independent Classifier, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 220-231 (Sept. 2016). (Acceptance rate = 114/481 = 23.7%)
  10. Taiki Miyanishi, Jun-ichiro Hirayama, Quan Kong, Takuya Maekawa, Hiroki Moriya and Takayuki Suyama: Egocentric Video Search via Physical Interactions, Proc. of the 30th AAAI Conference on Artificial Intelligence (AAAI-16), pp. 330-337 (Feb. 2016). (Acceptance rate = 549/2132 = 26%)
  11. Joseph Korpela, Ryosuke Miyaji, Takuya Maekawa, Kazunori Nozaki, and Hiroo Tamagawa: Evaluating Tooth Brushing Performance With Smartphone Sound Data, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2015), pp. 109-120 (Sept. 2015). (Acceptance rate = 120/394 = 30.4%)
  12. Kazuya Ohara, Takuya Maekawa, Yasue Kishino, Yoshinari Shirai, and Futoshi Naya: Transferring Positioning Model for Device-free Passive Indoor Localization, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2015), pp. 885-896 (Sept. 2015). (Acceptance rate = 120/394 = 30.4%)
  13. Joseph Korpela, Kazuyuki Takase, Takahiro Hirashima, Takuya Maekawa, Julien Eberle, Dipanjan Chakraborty, and Karl Aberer: An Energy-Aware Method for the Joint Recognition of Activities and Gestures Using Wearable Sensors, Proc. of International Symposium on Wearable Computers (ISWC 2015), pp. 101-108 (Sept. 2015). (Acceptance rate for full papers = 13/121 = 10.7%)
  14. Daisuke Taniuchi, Xiaopeng Liu, Daisuke Nakai, and Takuya Maekawa: Spring Model based Collaborative Indoor Position Estimation with Neighbor Mobile Devices, IEEE Journal of Selected Topics in Signal Processing , Vol. 9, Issue 2, pp. 268-277 (Mar. 2015). [Impact Factor(2013): 3.629]
  15. Daisuke Taniuchi and Takuya Maekawa: Automatic Update of Indoor Location Fingerprints with Pedestrian Dead Reckoning, ACM Transactions on Embedded Computing Systems, Vol. 14, Issue 2, pp. 27:1-27:23 (Feb. 2015). [Impact Factor(2012): 1.178]
  16. Takuya Maekawa, Naomi Yamashita, and Yasushi Sakurai: How Well Can a User's Location Privacy Preferences be Determined Without Using GPS Location Data?, IEEE Transactions on Emerging Topics in Computing, Vol. , Issue , pp. - (to appear).
  17. Quan Kong and Takuya Maekawa: Identifying Outlets at which Electrical Appliances are Used by Electrical Wire Sensing to Gain Positional Information about Appliance Use, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2014), pp. 349-360 (Sept. 2014). (Acceptance rate = 94/454 = 20.7%)
  18. Quan Kong and Takuya Maekawa: Reusing Training Data with Generative/Discriminative Hybrid Model for Practical Acceleration-based Activity Recognition, Springer Computing, Vol. 96, Issue 9, pp. 875-895 (Sept. 2014). [Impact Factor(2013): 1.055]
  19. Yuki Tsuda, Quan Kong, and Takuya Maekawa: Detecting and Correcting WiFi Positioning Errors, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2013), pp. 777-786 (Sept. 2013). (Acceptance rate = 92/394 = 23.4%)[pdf]
  20. Tomoya Hirano and Takuya Maekawa: A Hybrid Unsupervised/Supervised Model for Group Activity Recognition, Proc. of International Symposium on Wearable Computers (ISWC 2013), pp. 21-24 (Sept. 2013). (Acceptance rate = 20/88 = 23%)[pdf]
  21. Takuya Maekawa, Yasue Kishino, Yasushi Sakurai, and Takayuki Suyama: Activity Recognition with Hand-worn Magnetic Sensors, ACM/Springer Personal and Ubiquitous Computing (ACM/Springer PUC), Vol. 17, Issue 6, pp. 1085-1094 (Aug. 2013). [Impact Factor(2013): 1.616]
  22. Takuya Maekawa and Shinji Watanabe: Training Data Selection with User's Physical Characteristics Data for Acceleration-based Activity Modeling, ACM/Springer Personal and Ubiquitous Computing (ACM/Springer PUC), Vol. 17, Issue 3, pp. 451-463 (Mar. 2013). [Impact Factor(2013): 1.616]
  23. Takuya Maekawa, Yasue Kishino, Yutaka Yanagisawa, and Yasushi Sakurai: Recognizing Handheld Electrical Device Usage with Hand-worn Coil of Wire, Proc. of International Conference on Pervasive Computing (Pervasive 2012), pp. 234-252 (June 2012). (Acceptance rate = 28/138 = 20%)[pdf]
  24. Takuya Maekawa, Yasue Kishino, Yutaka Yanagisawa, and Yasushi Sakurai: Mimic Sensors: Battery-shaped Sensor Node for Detecting Electrical Events of Handheld Devices, Proc. of International Conference on Pervasive Computing (Pervasive 2012), pp. 20-38 (June 2012). (Acceptance rate = 28/138 = 20%)[pdf]
  25. Takuya Maekawa, Yutaka Yanagisawa, Yasushi Sakurai, Yasue Kishino, Koji Kamei, and Takeshi Okadome: Context-Aware Web Search in Ubiquitous Sensor Environments, ACM Transactions on Internet Technology (ACM TOIT), Vol. 11, No. 3, pp. 12:1-12:23 (Jan. 2012). [Impact Factor(2011): 0.893]
  26. Takuya Maekawa, Yasue Kishino, Yasushi Sakurai, and Takayuki Suyama: Recognizing the Use of Portable Electrical Devices with Hand-worn Magnetic Sensors, Proc. of International Conference on Pervasive Computing (Pervasive 2011), pp. 276-293 (June 2011). (Acceptance rate = 22/93 = 23.7%) [pdf]
  27. Takuya Maekawa and Shinji Watanabe: Unsupervised Activity Recognition with User's Physical Characteristics Data, Proc. of International Symposium on Wearable Computers (ISWC 2011), pp. 89-96 (June 2011). (Acceptance rate = 6/31 = 19.3%) [Best Paper Nominee] [pdf]
  28. Takuya Maekawa, Yutaka Yanagisawa, Yasue Kishino, Katsuhiko Ishiguro, Koji Kamei, Yasushi Sakurai, and Takeshi Okadome: Object-based Activity Recognition with Heterogeneous Sensors on Wrist, Proc. of International Conference on Pervasive Computing (Pervasive 2010), pp. 246-264 (May 2010). (Acceptance rate = 25/157 = 16%) [pdf]
  29. Takuya Maekawa, Yutaka Yanagisawa, Yasushi Sakurai, Yasue Kishino, Koji Kamei, and Takeshi Okadome: Web Searching for Daily Living, Proc. of International ACM SIGIR Conference (SIGIR 2009), pp. 27-34 (July 2009). (Acceptance rate = 78/494 =16%) [pdf]
  30. Takuya Maekawa, Yutaka Yanagisawa, Yasue Kishino, Koji Kamei, Yasushi Sakurai, and Takeshi Okadome: Object-Blog System for Environment-Generated Content, IEEE Pervasive Computing, Vol. 7, No. 4, pp. 20-27 (Oct.-Dec. 2008). [Impact Factor(2008): 2.615] [pdf draft]
  31. Takuya Maekawa, Takahiro Hara, and Shojiro Nishio: Image Classification for Mobile Web Browsing, Proc. of International World Wide Web Conference (WWW 2006), pp. 43-52 (May 2006). (Acceptance rate = 75/667 =11%) [pdf]
  32. Takuya Maekawa, Takahiro Hara, and Shojiro Nishio: A Collaborative Web Browsing System for Multiple Mobile Users, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2006), pp. 22-35 (Mar. 2006). (Acceptance rate = 23/280 =8%) [pdf]
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大阪大学大学院 情報科学研究科 マルチメディア工学専攻
〒565-0871 大阪府吹田市山田丘 1-5 A205
Tel: 06-6879-4511 Fax: 06-6879-4514