論文

• Masato Sugasaki, Masamichi Shimosaka. Robustifying Wi-Fi localization by Between-Location data augmentation, IEEE Sensors Journal, pp. 5407-5416, Mar. 2021.
• Ryo Imai, Kota Tsubouchi, Tatsuya Konishi, Masamichi Shimosaka. Early destination prediction with spatio-temporal user behavior patterns, Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 1, No. 4, pp. 142:1-142:19, Dec. 2017.
• Masato Sugasaki, Masamichi Shimosaka. Robust indoor localization across smartphone models with ellipsoid features from multiple RSSIs, Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies,, vol. 1, No. 3, pp. 103:1-103:16, Sept. 2017.
• Shigeyuki Odashima, Masamichi Shimosaka, Takuhiro Kaneko, Rui Fukui, Tomomasa Sato. Collective activity localiza- tion by spatiality preservation search, Advanced Robotics, vol. 30, no. 11-12, pp. 784-794, Apr. 2016.

国際会議発表 (査読有り)

• Masamichi Shimosaka, Kota Tsubouchi, Yanru Chen, Yoshiaki Ishihara, Junichi Sato. MOIRE: Mixed-Order Poisson Regression towards Fine-grained Urban Anomaly Detection at Nationwide Scale, The 2020 IEEE International Conference on Big Data (Big Data 2020),, pp. 963-970, Dec. 2021.
• Yang Zhen, Masato Sugasaki, Yoshihiro Kawahara, Kota Tsubouchi, Matthew Ishige, Masamichi Shimosaka. AI-BPO: Adaptive incremental BLE beacon placement optimization for crowd density monitoring applications, The 29th International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2021), Nov. 2021.
• Soto Anno, Kota Tsubouchi, Masamichi Shimosaka. CityOutlook: Early Crowd Dynamics Forecast towards Irregular Events Detection with Synthetically Unbiased Regression, The 29th International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2021), Nov. 2021.
• Haruka Abe, Takuya Hino, Motohide Sugihara, Hiroki Ikeya, Masamichi Shimosaka. Multi-label long short-term memory for construction vehicle activity recognition with imbalanced supervision, 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), roceedings of the 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), pp. 8990-8996, Oct. 2020.
• Kentaro Nishi, Masamichi Shimosaka. Fine-grained driving behavior prediction via context-aware multi-task inverse reinforcement learning, the 2020 IEEE International Conference on Robotics and Automation (ICRA), Proceedings of the 2020 IEEE International Conference on Robotics and Automation (ICRA), pp. 2281-2287, May 2020.
• Kota Tsubouchi, Teruhiko Teraoka, Hidehito Gomi, Masamichi Shimosaka. Parasitic location logging: Estimating users’ location from context of passersby, 2020 IEEE International Conference on Pervasive Computing and Communications (PerCom), Proceedings of the 2020 IEEE International Conference on Pervasive Computing and Communications (PerCom), pp. 1-10, Mar. 2020.
• Ryo Imai, Kota Tsubouchi, Masamichi Shimosaka. Next place prediction using gps traces and web search queries, 2020 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops), Proceedings of the 2020 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops), pp. 1-4, Mar. 2020.
• Kota Tsubouchi, Tomoki Saito, Masamichi Shimosaka. Context-based Markov model toward spatio-temporal prediction with realistic dataset, the 3rd ACM SIGSPATIAL International Workshop on Prediction of Human Mobility (PredictGIS’19), Proceedings of the 3rd ACM SIGSPATIAL International Workshop on Prediction of Human Mobility (PredictGIS’19), pp. 24-32, Nov. 2019.
• Masato Sugasaki, Kota Tsubouchi, Masamichi Shimosaka, Nobuhiko Nishio. GroupWi-Lo: Maintaining Wi-Fi-based indoor localization accurate via group-wise total variation regularization, The tenth International Conference on Indoor Positioning and Indoor Navigation (IPIN2019), Proeedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation (IPIN2019), Oct. 2019.
• Ryo Imai, Kosuke Watanabe, Kota Tsubouchi, Masamichi Shimosaka. Proactive Car Navigation: How can destination prediction give us new navigation experience?, the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2019), Adjunct Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2019), Sept. 2019.
• Takayuki Sakamoto, Hiraki Yasuda, Akira Tsujimoto, Mutsuhiro Iwamoto, Yuta Hayakawa, Takuto Usami, Kota Tsubouchi, Masamichi Shimosaka. CityAtmosphere: VR image to glimpse wishes in the air, the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2019), Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2019), Sept. 2019.
• Masamichi Shimosaka, Qiyang Zhang, Kazunari Takeichi. Robust health score prediction from pyro-sensor activity data based on greedy feature selection, Fourth IEEE PerCom Workshop on Pervasive Health Technologies, Proceedings of Fourth IEEE PerCom Workshop on Pervasive Health Technologies, Mar. 2019.
• Masamichi Shimosaka, Yuta Hayakawa, Kota Tsubouchi. Spatiality preservable factored Poisson regression for large-scale fine-grained GPS-based population analysis, the Thirty-Third AAAI Conference on Artificial Intelligence (AAAI-19), Proceedings of the Thirty-Third AAAI Conference on Artificial Intelligence (AAAI-19), Feb. 2019.
• Masamichi Shimosaka, Sato, J., Takenaka, K., Hitomi, K.. Fast inverse reinforcement learning with interval consistent graph for driving behavior prediction, 31st AAAI Conference on Artificial Intelligence, AAAI 2017, pp. 1532-1538, 2017.
• Konishi, T., Maruyama, M., Tsubouchi, K., Masamichi Shimosaka. CityProphet: City-scale irregularity prediction using transit app logs, UbiComp 2016 - Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing, pp. 752-757, 2016.
• Masamichi Shimosaka, Tsukiji, T., Tominaga, S., Tsubouchi, K.. Coupled hierarchical Dirichlet process mixtures for simultaneous clustering and topic modeling, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 9852 LNAI, pp. 230-246, 2016.
• Masamichi Shimosaka, Saisho, O., Sunakawa, T., Koyasu, H., Maeda, K., Kawajiri, R.. ZigBee based wireless indoor localization with sensor placement optimization towards practical home sensing, Advanced Robotics, Vol. 30, No. 5, pp. 315-325, 2016.
• Masamichi Shimosaka, Saisho, O.. Efficient calibration for RSSI-based indoor localization by Bayesian experimental design on multi-task classification, UbiComp 2016 - Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing, pp. 244-249, 2016.
• Masamichi Shimosaka, Maeda, K., Tsukiji, T., Tsubouchi, K.. Forecasting urban dynamics with mobility logs by bilinear poisson regression, UbiComp 2015 - Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing, pp. 535-546, 2015.
• Tsubouchi, K., Saisho, O., Sato, J., Araki, S., Masamichi Shimosaka. Fine-grained social relationship extraction from real activity data under coarse supervision, ISWC 2015 - Proceedings of the 2015 ACM International Symposium on Wearable Computers, pp. 183-187, 2015.

国際会議発表 (査読なし・不明)

• Masamichi Shimosaka, Takeshi Tsukiji, Hideyuki Wada, Kota Tsubouchi. Predictive population behavior analysis from multiple contexts with multilinear Poisson regression, the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL GIS 2018), Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL GIS 2018), pp. 503-507, Nov. 2018.

国内会議発表 (査読なし・不明)

• Soto Anno, Kota Tsubouchi, Masamichi Shimosaka. Supervised-CityProphet: Towards Accurate Anomalous Crowd Prediction, The 28th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL GIS 2020), Nov. 2020.
• 細馬慎平, 須ヶ﨑聖人, 竹中一仁, 平野大輔, 孫理天, 下坂正倫. 逐次枝刈り型 RRT の並列化による高速かつロバストな運転行動予測, 第 38 回 日本ロボット学会学術講演会 予稿集, Oct. 2020.
• 須ヶ﨑聖人, 坪内孝太, 西尾信彦, 下坂正倫. Wi-Fi RTT を用いたデバイスフリー複数人屋内測位, 情報処理学会研究報告 第 67 回 UBI 研究発表会, Sept. 2020.
• 立花香太郎, 吉武宏, 小竹元基, 須ヶ﨑聖人, 細馬慎平, 下坂正倫. 逆強化学習を用いた平滑性を考慮した停止行動を含む運転行動モデリ ング, 自動車技術会 2020 年春季大会学術講演会講演予稿集, No. 94-20, May 2020.
• 岩本睦大, 坪内孝太, 下坂正倫. GPS 位置履歴を用いた時間制約を考慮した観光施設の滞在時間モデリング, 情報処理学会研究報告 第 66 回 UBI 研究発表会, May 2020.
• 安納爽響, 坪内孝太, 下坂正倫. GPS 位置履歴情報と鉄道の乗換検索履歴を用いた異常混雑事前予測, 情報処理学会研究報告 第 66 回 UBI 研究発表会, May 2020.
• 石原佳明, 安部永, 日野拓也, 田中修, 嶋津光宏, 下坂正倫. 残差ネットワークによるマルチモーダルな時系列センサデータを用いた建機 機械作業認識, 第 20 回(社)計測自動制御学会システムインテグレーション部門講演会 (SI2019) 講演論文集, Dec. 2019.
• 細馬慎平, 須ヶ﨑聖人, 竹中一仁, 平野大輔, 孫理天, 下坂正倫. 階層型マルコフ決定過程に基づく高速パス探索による運転行動予測, 第 37 回 日本ロボット学会学術講演会 予稿集, Sept. 2019.
• 安部永, 日野拓也, 杉原幹英, 池谷浩樹, 下坂正倫. マルチラベル LSTM に基づく大規模クラス行動認識, 第 37 回 日本ロボット学会学 術講演会 予稿集, Sept. 2019.

特許など

• 下坂正倫, 佐藤　潤一, 竹中　一仁, 人見　謙太郎. 車両軌道用グラフ生成装置. 特許. 登録. 国立大学法人東京工業大学, 株式会社デンソー. 2016/11/24. 特願2016-227976. 2018/05/31. 特開2018-084972. 特許第6708535号. 2020/05/25 2020.

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