Kei Hiroi

Publication Activity (10 Years)

Years Active: 2014-2024
Publications (10 Years): 42

Top Topics

Location Estimation

Top Venues

UbiComp/ISWC Adjunct

UbiComp Adjunct

Publications

Kei Hiroi, Souma Nakagawa, Ryoma Takahashi, Akihito Kohiga, Sho Fukaya, Yoichi Shinoda
Demo: Flood Damage CyRealization with an Orchestrator Framework. PerCom Workshops (2024)
Kei Hiroi, Akihito Kohiga, Sho Fukaya, Yoichi Shinoda
Performance Evaluation of Flood Level Estimation Method Using State-Space Model with Time-Series Monitoring Data. ITDRR (2023)
Akihito Kohiga, Kei Hiroi, Takumi Kataoka, Sho Fukaya, Yoichi Shinoda
Interaction-Based Task Group Scheduling for a Scalable and Real-Time Self-Driving Simulation. SIMULTECH (2023)
Kei Hiroi, Akihito Kohiga, Sho Fukaya, Yoichi Shinoda
An Orchestrator Framework for IoT-Based Disaster Prevention Simulation. SENSORS (2023)
Kazuya Murao, Yu Enokibori, Hristijan Gjoreski, Paula Lago, Tsuyoshi Okita, Pekka Siirtola, Kei Hiroi, Philipp M. Scholl, Mathias Ciliberto, Kenta Urano
11th International Workshop on Human Activity Sensing Corpus and Applications (HASCA). UbiComp/ISWC Adjunct (2023)
Kazuya Murao, Yu Enokibori, Hristijan Gjoreski, Paula Lago, Tsuyoshi Okita, Pekka Siirtola, Kei Hiroi, Philipp M. Scholl, Mathias Ciliberto, Kenta Urano
10th International Workshop on Human Activity Sensing Corpus and Applications (HASCA). UbiComp/ISWC Adjunct (2022)
Koki Asami, Shono Fujita, Kei Hiroi, Michinori Hatayama
Data Augmentation with Synthesized Damaged Roof Images Generated by GAN. ISCRAM (2022)
Kenta Urano, Kei Hiroi, Takuro Yonezawa, Nobuo Kawaguchi
An End-to-End BLE Indoor Localization Method Using LSTM. J. Inf. Process. 29 (2021)
Kazuya Murao, Yu Enokibori, Hristijan Gjoreski, Paula Lago, Tsuyoshi Okita, Pekka Siirtola, Kei Hiroi, Philipp M. Scholl, Mathias Ciliberto, Kenta Urano
9th International Workshop on Human Activity Sensing Corpus and Applications (HASCA). UbiComp/ISWC Adjunct (2021)
Kazuya Murao, Yu Enokibori, Hristijan Gjoreski, Paula Lago, Tsuyoshi Okita, Pekka Siirtola, Kei Hiroi, Philipp M. Scholl, Mathias Ciliberto
8th international workshop on human activity sensing corpus and applications (HASCA). UbiComp/ISWC Adjunct (2020)
Kosuke Watanabe, Kei Hiroi, Takeshi Kamiyama, Hiroyuki Sano, Masakatsu Tsukamoto, Masaji Katagiri, Daizo Ikeda, Katsuhiko Kaji, Nobuo Kawaguchi
A Smartphone 3D Positioning Method using a Spinning Magnet Marker. J. Inf. Process. 27 (2019)
Kei Hiroi, Daisuke Murakami, Kazumi Kurata, Takashi Tashiro
Investigation into Feasibility of Data Assimilation Approach for Flood Level Estimation Using Temporal-Spatial State Space Model. BigComp (2019)
Takuto Yoshida, Junto Nozaki, Kenta Urano, Kei Hiroi, Takuro Yonezawa, Nobuo Kawaguchi
Gait Dependency of Smartphone Walking Speed Estimation using Deep Learning. MobiSys (2019)
Hitoshi Matsuyama, Kei Hiroi, Katsuhiko Kaji, Takuro Yonezawa, Nobuo Kawaguchi
Ballroom dance step type recognition by random forest using video and wearable sensor. UbiComp/ISWC Adjunct (2019)
Kei Hiroi, Masatoshi Enomoto, Tsubasa Yumura, Toshiyuki Miyachi
Processing Time and Reproducibility Toward A Real-Time Simulation System for Flood Evacuation. IGARSS (2019)
Masatoshi Enomoto, Tsubasa Yumura, Kei Hiroi, Toshiyuki Miyachi
Proposing of Software Testing Platform with Federating Simulation and Software Emulation For Route Recommendation System in the Case of Flooding. IGARSS (2019)
Takahiro Yoshida, Kei Hiroi, Yoshiki Yamagata, Daisuke Murakami
Verification on Evacuation of Flood Disaster by Using Gps: Case Study in Mabi, Japan 2018. IGARSS (2019)
Kazuya Murao, Yu Enokibori, Hristijan Gjoreski, Paula Lago, Tsuyoshi Okita, Pekka Siirtola, Kei Hiroi, Philipp M. Scholl, Mathias Ciliberto
7th international workshop on human activity sensing corpus and applications (HASCA). UbiComp/ISWC Adjunct (2019)
Takuto Yoshida, Junto Nozaki, Kenta Urano, Kei Hiroi, Katsuhiko Kaji, Takuro Yonezawa, Nobuo Kawaguchi
Sampling rate dependency in pedestrian walking speed estimation using DualCNN-LSTM. UbiComp/ISWC Adjunct (2019)
Nobuo Kawaguchi, Junto Nozaki, Takuto Yoshida, Kei Hiroi, Takuro Yonezawa, Katsuhiko Kaji
End-to-end walking speed estimation method for smartphone PDR using DualCNN-LSTM. IPIN (Short Papers/Work-in-Progress Papers) (2019)
Kenta Urano, Kei Hiroi, Takuro Yonezawa, Nobuo Kawaguchi
Basic Study of BLE Indoor Localization using LSTM-based Neural Network. MobiSys (2019)
Kei Hiroi, Takahiro Yoshida, Yoshiki Yamagata, Nobuo Kawaguchi
Flood Area Estimation Using Personal Location Data - Case Study of Japan Floods in 2018. PerCom Workshops (2019)
Kei Hiroi, Tomoya Inoue, Kunio Akashi, Tsubasa Yumura, Toshiyuki Miyachi, Hayate Hironaka, Hironobu Kanno, Yoichi Shinoda
ARIA: interactive damage prediction system for urban flood using simulation and emulation federation platform. UbiComp/ISWC Adjunct (2019)
Kenta Urano, Kei Hiroi, Takuro Yonezawa, Nobuo Kawaguchi
An End-to-End BLE Indoor Location Estimation Method Using LSTM. ICMU (2019)
Takuro Yonezawa, Yuuki Nishiyama, Kei Hiroi, Nobuo Kawaguchi
Capturing Subjective Time as Context and It's Applications. MobiSys (2019)
Kei Hiroi, Daisuke Murakami, Kazumi Kurata, Takashi Tashiro, Yoichi Shinoda
Data Assimilation Approach for Flood Level Estimation using State Space Model for Urban Internal Flooding. ICT-DM (2019)
Kenta Urano, Kei Hiroi, Shinpei Kato, Nozomi Komagata, Nobuo Kawaguchi
Road Surface Condition Inspection Using a Laser Scanner Mounted on an Autonomous Driving Car. PerCom Workshops (2019)
Hitoshi Matsuyama, Kenta Urano, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
Short Segment Random Forest with Post Processing Using Label Constraint for SHL Recognition Challenge. UbiComp/ISWC Adjunct (2018)
Kazuya Murao, Yu Enokibori, Hristijan Gjoreski, Paula Lago, Tsuyoshi Okita, Pekka Siirtola, Kei Hiroi, Philipp M. Scholl
6th International Workshop on Human Activity Sensing Corpus and Applications (HASCA). UbiComp/ISWC Adjunct (2018)
Yuta Yuki, Junto Nozaki, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
Activity Recognition Using Dual-ConvLSTM Extracting Local and Global Features for SHL Recognition Challenge. UbiComp/ISWC Adjunct (2018)
Junto Nozaki, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
Compensation scheme for PDR using sparse location and error model. UbiComp/ISWC Adjunct (2017)
Chenyi Liao, Kei Hiroi, Katsuhiko Kaji, Ken Sakurada, Nobuo Kawaguchi
Event.Locky: System of Event-Data Extraction from Webpages based on Web Mining. J. Inf. Process. 25 (2017)
Kenta Urano, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi
A location estimation method using mobile BLE tags with tandem scanners. UbiComp/ISWC Adjunct (2017)
Kosuke Watanabe, Kei Hiroi, Takeshi Kamiyama, Hiroyuki Sano, Masakatsu Tsukamoto, Masaji Katagiri, Daizo Ikeda, Katsuhiko Kaji, Nobuo Kawaguchi
A three-dimensional smartphone positioning method using a spinning magnet marker. ICMU (2017)
Kosuke Shimada, Kei Hiroi, Nobuo Kawaguchi, Katsuhiko Kaji
Measurement methods of spatial ability using a virtual reality system. ICMU (2016)
Katsuhiko Kaji, Masaaki Abe, Weimin Wang, Kei Hiroi, Nobuo Kawaguchi
UbiComp/ISWC 2015 PDR challenge corpus. UbiComp Adjunct (2016)
Masaaki Abe, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi
PIEM: Path Independent Evaluation Metric for Relative Localization. IPIN (2016)
Kenta Urano, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
A Location Estimation Method using BLE Tags Distributed Among Participants of a Large-Scale Exhibition. MobiQuitous (Adjunct Proceedings) (2016)
Kei Hiroi, Nobuo Kawaguchi
FloodEye: Real-time flash flood prediction system for urban complex water flow. IEEE SENSORS (2016)
Nobuo Kawaguchi, Kei Hiroi, Atsushi Shionozaki, Masamichi Asukai, Toshimune Nasu, Yu Hashimoto, Takeharu Nakamura, Tetsuya Gotou, Shinsuke Ando
Wi-Fi Human Behavior Analysis and BLE Tag Localization: A Case Study at an Underground Shopping Mall. MobiQuitous (2016)
Haruyuki Ichino, Katsuhiko Kaji, Ken Sakurada, Kei Hiroi, Nobuo Kawaguchi
HASC-PAC2016: large scale human pedestrian activity corpus and its baseline recognition. UbiComp Adjunct (2016)
Kei Hiroi, Yoichi Shinoda, Nobuo Kawaguchi
A better positioning with BLE tag by RSSI compensation through crowd density estimation. UbiComp Adjunct (2016)
Ryoji Ban, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi
Indoor positioning method integrating pedestrian Dead Reckoning with magnetic field and WiFi fingerprints. ICMU (2015)
Antonio Martinez, Kei Hiroi, Nobuo Kawaguchi
Design and implementation of algorithm for estimation of elevator travel distance using smartphone accelerometer. UbiComp/ISWC Adjunct (2015)
Hirokazu Iida, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
A proposal of IndoorGML extended data model for pedestrian-oriented voice navigation system. ISA@SIGSPATIAL (2015)
Weimin Wang, Kenji Yamakawa, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
Velobug: a mobile system for 3D indoor mapping. UbiComp/ISWC Adjunct (2015)
Chenyi Liao, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
An Event Data Extraction Method Based on HTML Structure Analysis and Machine Learning. COMPSAC Workshops (2015)
Chihiro Takeshima, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi, Takeshi Kamiyama, Ken Ohta, Hiroshi Inamura
A pedestrian passage detection method by using spinning magnets on corridors. UbiComp/ISWC Adjunct (2015)
Weichang Chen, Katsuhiko Kaji, Nobuo Kawaguchi, Kei Hiroi
Non-Local Dictionary Based Japanese Dish Names Recognition Using Multi-Feature CRF from Online Reviews. WIMS (2014)
Chenyi Liao, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi
Design and Implementation of Event Information Summarization System. COMPSAC Workshops (2014)
Yuya Murata, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
Pedestrian dead reckoning based on human activity sensing knowledge. UbiComp Adjunct (2014)