Katsuhiko Kaji

70 papers A 1B 1C 5Misc 2Journal 8Unranked 51

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	Method for Improving Cooking Activity Classification Accuracy Using Location Information and Procedure Documents. ICMU Ryuto Tada, Katsuhiko Kaji, Kimihiro Mizuno, Ayano Naito, Naoya Chujo, Tadanori Mizuno
2025	—	`conf`	Skill Analysis of Yo-Yo Performance Using a Ring-Type Sensing Device. ICMU Yusuke Ueji, Katsuhiko Kaji
2023	J	`jnl`	A Survey of Ground Truth Measurement Systems for Indoor Positioning. J. Inf. Process. Takuto Yoshida, Katsuhiko Kaji, Satoki Ogiso, Ryosuke Ichikari, Hideaki Uchiyama, Takeshi Kurata, Nobuo Kawaguchi
2023	—	`conf`	Cardiac Massage Practice Application using Barometer in a Smart Phone and Sealed Bag. UbiComp/ISWC Adjunct Soto Mizukusa, Katsuhiko Kaji
2021	C	`conf`	Building a Crowdsensing Platform Based on Spatio-Temporal Fencing. MobiQuitous Nobuhito Miyagawa, Ryoga Tsuchimoto, Shota Suzaki, Katsuhiko Kaji
2021	—	`conf`	Monitoring Wheelchair Users in Care Facilities with BLE Beacons Attached to Wheels. ICMU Yuki Ogane, Yu Enokibori, Katsuhiko Kaji
2021	—	`conf`	State Estimation Method Using Radio Wave Intensity of BLE Beacon Installed Inside Object. ICDCN (Adjunct Volume) Yuki Ogane, Ryoga Mizuno, Katsuhiko Kaji
2020	J	`jnl`	Method to Improve Accuracy of Indoor PDR Trajectories Using a Large Number of Trajectories. J. Inf. Process. Kosuke Yotsuya, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
2019	—	`conf`	A PDR Smartphone Application Considering Side/Backward Steps. ICMU Katsuhiko Kaji, Masaaki Kaneko, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno
2019	J	`jnl`	A Smartphone 3D Positioning Method using a Spinning Magnet Marker. J. Inf. Process. Kosuke Watanabe, Kei Hiroi, Takeshi Kamiyama, Hiroyuki Sano, Masakatsu Tsukamoto, Masaji Katagiri, Daizo Ikeda, Katsuhiko Kaji, Nobuo Kawaguchi
2019	—	`conf`	A Smartphone Application that Automatically Provides Arrival Time based on Estimation of Train on Board. ICMU Haruki Inoue, Katsuhiko Kaji
2019	—	`conf`	Ballroom dance step type recognition by random forest using video and wearable sensor. UbiComp/ISWC Adjunct Hitoshi Matsuyama, Kei Hiroi, Katsuhiko Kaji, Takuro Yonezawa, Nobuo Kawaguchi
2019	—	`ch.`	Compensation Scheme for PDR Using Component-Wise Error Models. Human Activity Sensing Junto Nozaki, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
2019	—	`conf`	End-to-end walking speed estimation method for smartphone PDR using DualCNN-LSTM. IPIN (Short Papers/Work-in-Progress Papers) Nobuo Kawaguchi, Junto Nozaki, Takuto Yoshida, Kei Hiroi, Takuro Yonezawa, Katsuhiko Kaji
2019	J	`jnl`	Off-Site Indoor Localization Competitions Based on Measured Data in a Warehouse. Sensors Ryosuke Ichikari, Katsuhiko Kaji, Ryo Shimomura, Masakatsu Kourogi, Takashi Okuma, Takeshi Kurata
2019	—	`conf`	Sampling rate dependency in pedestrian walking speed estimation using DualCNN-LSTM. UbiComp/ISWC Adjunct Takuto Yoshida, Junto Nozaki, Kenta Urano, Kei Hiroi, Katsuhiko Kaji, Takuro Yonezawa, Nobuo Kawaguchi
2019	C	`conf`	Step Recognition Method Using Air Pressure Sensor. IPIN Katsuhiko Kaji, Keisuke Isomura, Tsubasa Takai
2018	—	`conf`	Activity Recognition Using Dual-ConvLSTM Extracting Local and Global Features for SHL Recognition Challenge. UbiComp/ISWC Adjunct Yuta Yuki, Junto Nozaki, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
2018	—	`conf`	Estimation of Person Existence in Room Using BLE Beacon and Its Platform. MobiCASE Fumitaka Naruse, Katsuhiko Kaji
2018	—	`conf`	Making Pier Data Broader and Deeper: - PDR Challenge and Virtual Mapping Party. MobiCASE Takeshi Kurata, Ryosuke Ichikari, Ryo Shimomura, Katsuhiko Kaji, Takashi Okuma, Masakatsu Kourogi
2018	—	`conf`	Method to Improve Accuracy of Indoor PDR Trajectories Using a Large Amount of Trajectories. ICMU Kosuke Yotsuya, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
2018	—	`conf`	Partial Matching Estimation Method of Walking Trajectories for Generating Indoor Pedestrian Networks. ICMU Sou Sugimoto, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
2018	—	`conf`	Prototype implementation of RFID based health management system with low-power ARM microcomputer. CCNC Toshifumi Watanabe, Mizuki Murase, Katsuhiro Naito, Nobuyuki Ito, Katsuhiko Kaji, Naoya Chujo, Tadanori Mizuno
2018	—	`conf`	Short Segment Random Forest with Post Processing Using Label Constraint for SHL Recognition Challenge. UbiComp/ISWC Adjunct Hitoshi Matsuyama, Kenta Urano, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
2017	—	`conf`	A location estimation method using mobile BLE tags with tandem scanners. UbiComp/ISWC Adjunct Kenta Urano, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi
2017	—	`conf`	A three-dimensional smartphone positioning method using a spinning magnet marker. ICMU Kosuke Watanabe, Kei Hiroi, Takeshi Kamiyama, Hiroyuki Sano, Masakatsu Tsukamoto, Masaji Katagiri, Daizo Ikeda, Katsuhiko Kaji, Nobuo Kawaguchi
2017	—	`conf`	Compensation scheme for PDR using sparse location and error model. UbiComp/ISWC Adjunct Junto Nozaki, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
2017	—	`conf`	Demo: Prototype implementation of ID card based momentum measurement system. CCNC Naoki Yamamoto, Toshifumi Watanabe, Mizuki Murase, Katsuhiro Naito, Nobuyuki Ito, Katsuhiko Kaji, Naoya Chujo, Tadanori Mizuno
2017	—	`conf`	Detection of half-turn stairs from walking trajectories estimated by pedestrian dead reckoning. ICMU Kosuke Yotsuya, Haruka Iwase, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
2017	J	`jnl`	Event.Locky: System of Event-Data Extraction from Webpages based on Web Mining. J. Inf. Process. Chenyi Liao, Kei Hiroi, Katsuhiko Kaji, Ken Sakurada, Nobuo Kawaguchi
2017	—	`conf`	Implementation and evaluation of child's location history transportation device for potentially dangerous area detection. ICMU Kazunori Omura Hiroyuki Nonomura, Katsuhiro Naito, Tadanori Mizuno, Katsuhiko Kaji
2017	—	`conf`	Pedestrian direction estimation for each step using plane component of accelerometer. ICMU Shogo Shimizu, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
2016	—	`conf`	A Location Estimation Method using BLE Tags Distributed Among Participants of a Large-Scale Exhibition. MobiQuitous (Adjunct Proceedings) Kenta Urano, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
2016	—	`conf`	An Emergency Application for Smartphones Based on Rhythm Pattern Recognition. MobiQuitous (Adjunct Proceedings) Yoshino Niwa, Mayu Inamura, Katsuhiko Kaji
2016	C	`conf`	Estimating 3D pedestrian trajectories using stability of sensing signal. IPIN Katsuhiko Kaji, Nobuo Kawaguchi
2016	—	`conf`	HASC-PAC2016: large scale human pedestrian activity corpus and its baseline recognition. UbiComp Adjunct Haruyuki Ichino, Katsuhiko Kaji, Ken Sakurada, Kei Hiroi, Nobuo Kawaguchi
2016	—	`conf`	Measurement methods of spatial ability using a virtual reality system. ICMU Kosuke Shimada, Kei Hiroi, Nobuo Kawaguchi, Katsuhiko Kaji
2016	—	`conf`	Multi-algorithm on-site evaluation system for PDR challenge. ICMU Katsuhiko Kaji, Kohei Kanagu, Kazuya Murao, Nobuhiko Nishio, Kenta Urano, Hirokazu Iida, Nobuo Kawaguchi
2016	—	`ed.`	Ninth International Conference on Mobile Computing and Ubiquitous Networking, ICMU 2016, Kaiserslautern, Germany, October 4-6, 2016 ICMU Yusuke Fukazawa, Katsuhiko Kaji
2016	C	`conf`	PIEM: Path Independent Evaluation Metric for Relative Localization. IPIN Masaaki Abe, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi
2016	—	`conf`	UbiComp/ISWC 2015 PDR challenge corpus. UbiComp Adjunct Katsuhiko Kaji, Masaaki Abe, Weimin Wang, Kei Hiroi, Nobuo Kawaguchi
2016	—	`conf`	pakapaka Method For BLE Beacon Identification. MobiQuitous (Adjunct Proceedings) Shota Ikeda, Katsuhiko Kaji
2015	—	`conf`	A pedestrian passage detection method by using spinning magnets on corridors. UbiComp/ISWC Adjunct Chihiro Takeshima, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi, Takeshi Kamiyama, Ken Ohta, Hiroshi Inamura
2015	—	`conf`	A proposal of IndoorGML extended data model for pedestrian-oriented voice navigation system. ISA@SIGSPATIAL Hirokazu Iida, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
2015	—	`conf`	An Event Data Extraction Method Based on HTML Structure Analysis and Machine Learning. COMPSAC Workshops Chenyi Liao, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
2015	—	`conf`	Indoor positioning method integrating pedestrian Dead Reckoning with magnetic field and WiFi fingerprints. ICMU Ryoji Ban, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi
2015	—	`conf`	Velobug: a mobile system for 3D indoor mapping. UbiComp/ISWC Adjunct Weimin Wang, Kenji Yamakawa, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
2014	—	`conf`	Design and Implementation of Event Information Summarization System. COMPSAC Workshops Chenyi Liao, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi
2014	—	`conf`	Non-Local Dictionary Based Japanese Dish Names Recognition Using Multi-Feature CRF from Online Reviews. WIMS Weichang Chen, Katsuhiko Kaji, Nobuo Kawaguchi, Kei Hiroi
2014	—	`conf`	Pedestrian dead reckoning based on human activity sensing knowledge. UbiComp Adjunct Yuya Murata, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
2014	—	`conf`	Privacy protection in WiFi-based location estimation. ICMU Zuotao Peng, Katsuhiko Kaji, Nobuo Kawaguchi
2014	—	`conf`	Proposal of a platform integrating POI information. ICMU Shinji Ichien, Katsuhiko Kaji, Nobuo Kawaguchi
2013	—	`conf`	Elevator Acceleration Sensing: Design and Estimation Recognition Algorithm Using Crowdsourcing. COMPSAC Workshops Tianhui Yang, Katsuhiko Kaji, Nobuo Kawaguchi
2013	—	`conf`	HASC-IPSC: indoor pedestrian sensing corpus with a balance of gender and age for indoor positioning and floor-plan generation researches. UbiComp (Adjunct Publication) Katsuhiko Kaji, Hodaka Watanabe, Ryoji Ban, Nobuo Kawaguchi
2013	J	`jnl`	Scalable QoS for XCAST Using Differentiated Services Architecture. Inf. Media Technol. Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi
2013	J	`jnl`	Scalable QoS for XCAST Using Differentiated Services Architecture. J. Inf. Process. Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi
2012	—	`conf`	Application Layer Traffic Engineering for Multipoint Communication System. NBiS Yumi Nakayama, Katsuhiko Kaji, Nobuo Kawaguchi
2012	—	`conf`	External device session initiation framework using mobile phone connection information. AINTEC Toshiharu Asai, Katsuhiko Kaji, Nobuo Kawaguchi
2012	C	`conf`	Gaussian Mixture Model and Particle Filter. IPIN Katsuhiko Kaji, Nobuo Kawaguchi
2012	—	`conf`	QS-XCAST: a QoS aware XCAST implementation. SimuTools Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi
2011	Misc	`conf`	Distributed human activity data processing using HASC tool. UbiComp Nobuo Kawaguchi, Nobuhiro Ogawa, Yohei Iwasaki, Katsuhiko Kaji
2011	—	`conf`	HASC Challenge: gathering large scale human activity corpus for the real-world activity understandings. AH Nobuo Kawaguchi, Nobuhiro Ogawa, Yohei Iwasaki, Katsuhiko Kaji, Tsutomu Terada, Kazuya Murao, Sozo Inoue, Yoshihiro Kawahara, Yasuyuki Sumi, Nobuhiko Nishio
2011	Misc	`conf`	HASC2011corpus: towards the common ground of human activity recognition. UbiComp Nobuo Kawaguchi, Ying Yang, Tianhui Yang, Nobuhiro Ogawa, Yohei Iwasaki, Katsuhiko Kaji, Tsutomu Terada, Kazuya Murao, Sozo Inoue, Yoshihiro Kawahara, Yasuyuki Sumi, Nobuhiko Nishio
2011	A	`conf`	Improving visibility of remote gestures in distributed tabletop collaboration. CSCW Naomi Yamashita, Katsuhiko Kaji, Hideaki Kuzuoka, Keiji Hirata
2011	—	`conf`	Quantitative simulation of XCAST6 performance using OMNeT++. AINTEC Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi
2010	—	`conf`	TimeTable.Locky: nation wide WiFi location information system based on user contributed information. LocWeb Motoki Yano, Katsuhiko Kaji, Nobuo Kawaguchi
2009	J	`jnl`	Basic Design of Video Communication System Enabling Usersto Move Around in Shared Space. IEICE Trans. Electron. Keiji Hirata, Yasunori Harada, Toshihiro Takada, Naomi Yamashita, Shigemi Aoyagi, Yoshinari Shirai, Katsuhiko Kaji, Junji Yamato, Kenji Nakazawa
2008	B	`conf`	t-Room: Next Generation Video Communication System. GLOBECOM Keiji Hirata, Yasunori Harada, Toshihiro Takada, Shigemi Aoyagi, Yoshinari Shirai, Naomi Yamashita, Katsuhiko Kaji, Junji Yamato, Kenji Nakazawa
2004	—	`conf`	Annotated Music for Retrieval, Reproduction, and Sharing. ICMC Keiji Hirata, Shu Matsuda, Katsuhiko Kaji, Katashi Nagao
2004	—	`conf`	Discussion Mining: Annotation-Based Knowledge Discovery from Real World Activities. PCM (1) Katashi Nagao, Katsuhiko Kaji, Daisuke Yamamoto, Hironori Tomobe