Katsuhiko Kaji

Publication Activity (10 Years)

Years Active: 2004-2023
Publications (10 Years): 38

Top Topics

Indoor Positioning

Location Estimation

Top Venues

UbiComp/ISWC Adjunct

J. Inf. Process.

UbiComp Adjunct

Publications

Soto Mizukusa, Katsuhiko Kaji
Cardiac Massage Practice Application using Barometer in a Smart Phone and Sealed Bag. UbiComp/ISWC Adjunct (2023)
Takuto Yoshida, Katsuhiko Kaji, Satoki Ogiso, Ryosuke Ichikari, Hideaki Uchiyama, Takeshi Kurata, Nobuo Kawaguchi
A Survey of Ground Truth Measurement Systems for Indoor Positioning. J. Inf. Process. 31 (2023)
Yuki Ogane, Ryoga Mizuno, Katsuhiko Kaji
State Estimation Method Using Radio Wave Intensity of BLE Beacon Installed Inside Object. ICDCN (Adjunct Volume) (2021)
Yuki Ogane, Yu Enokibori, Katsuhiko Kaji
Monitoring Wheelchair Users in Care Facilities with BLE Beacons Attached to Wheels. ICMU (2021)
Nobuhito Miyagawa, Ryoga Tsuchimoto, Shota Suzaki, Katsuhiko Kaji
Building a Crowdsensing Platform Based on Spatio-Temporal Fencing. MobiQuitous (2021)
Kosuke Yotsuya, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
Method to Improve Accuracy of Indoor PDR Trajectories Using a Large Number of Trajectories. J. Inf. Process. 28 (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)
Katsuhiko Kaji, Masaaki Kaneko, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno
A PDR Smartphone Application Considering Side/Backward Steps. ICMU (2019)
Haruki Inoue, Katsuhiko Kaji
A Smartphone Application that Automatically Provides Arrival Time based on Estimation of Train on Board. ICMU (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)
Ryosuke Ichikari, Katsuhiko Kaji, Ryo Shimomura, Masakatsu Kourogi, Takashi Okuma, Takeshi Kurata
Off-Site Indoor Localization Competitions Based on Measured Data in a Warehouse. Sensors 19 (4) (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)
Katsuhiko Kaji, Keisuke Isomura, Tsubasa Takai
Step Recognition Method Using Air Pressure Sensor. IPIN (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)
Toshifumi Watanabe, Mizuki Murase, Katsuhiro Naito, Nobuyuki Ito, Katsuhiko Kaji, Naoya Chujo, Tadanori Mizuno
Prototype implementation of RFID based health management system with low-power ARM microcomputer. CCNC (2018)
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)
Kosuke Yotsuya, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
Method to Improve Accuracy of Indoor PDR Trajectories Using a Large Amount of Trajectories. ICMU (2018)
Sou Sugimoto, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
Partial Matching Estimation Method of Walking Trajectories for Generating Indoor Pedestrian Networks. ICMU (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)
Fumitaka Naruse, Katsuhiko Kaji
Estimation of Person Existence in Room Using BLE Beacon and Its Platform. MobiCASE (2018)
Takeshi Kurata, Ryosuke Ichikari, Ryo Shimomura, Katsuhiko Kaji, Takashi Okuma, Masakatsu Kourogi
Making Pier Data Broader and Deeper: - PDR Challenge and Virtual Mapping Party. MobiCASE (2018)
Kosuke Yotsuya, Haruka Iwase, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
Detection of half-turn stairs from walking trajectories estimated by pedestrian dead reckoning. ICMU (2017)
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)
Naoki Yamamoto, Toshifumi Watanabe, Mizuki Murase, Katsuhiro Naito, Nobuyuki Ito, Katsuhiko Kaji, Naoya Chujo, Tadanori Mizuno
Demo: Prototype implementation of ID card based momentum measurement system. CCNC (2017)
Shogo Shimizu, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno, Katsuhiko Kaji
Pedestrian direction estimation for each step using plane component of accelerometer. ICMU (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)
Kazunori Omura Hiroyuki Nonomura, Katsuhiro Naito, Tadanori Mizuno, Katsuhiko Kaji
Implementation and evaluation of child's location history transportation device for potentially dangerous area detection. 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)
Katsuhiko Kaji, Nobuo Kawaguchi
Estimating 3D pedestrian trajectories using stability of sensing signal. 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)
Shota Ikeda, Katsuhiko Kaji
pakapaka Method For BLE Beacon Identification. MobiQuitous (Adjunct Proceedings) (2016)
Yoshino Niwa, Mayu Inamura, Katsuhiko Kaji
An Emergency Application for Smartphones Based on Rhythm Pattern Recognition. MobiQuitous (Adjunct Proceedings) (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)
Katsuhiko Kaji, Kohei Kanagu, Kazuya Murao, Nobuhiko Nishio, Kenta Urano, Hirokazu Iida, Nobuo Kawaguchi
Multi-algorithm on-site evaluation system for PDR challenge. ICMU (2016)
Ryoji Ban, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi
Indoor positioning method integrating pedestrian Dead Reckoning with magnetic field and WiFi fingerprints. ICMU (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)
Zuotao Peng, Katsuhiko Kaji, Nobuo Kawaguchi
Privacy protection in WiFi-based location estimation. ICMU (2014)
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)
Shinji Ichien, Katsuhiko Kaji, Nobuo Kawaguchi
Proposal of a platform integrating POI information. ICMU (2014)
Yuya Murata, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi
Pedestrian dead reckoning based on human activity sensing knowledge. UbiComp Adjunct (2014)
Katsuhiko Kaji, Hodaka Watanabe, Ryoji Ban, Nobuo Kawaguchi
HASC-IPSC: indoor pedestrian sensing corpus with a balance of gender and age for indoor positioning and floor-plan generation researches. UbiComp (Adjunct Publication) (2013)
Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi
Scalable QoS for XCAST Using Differentiated Services Architecture. Inf. Media Technol. 8 (1) (2013)
Tianhui Yang, Katsuhiko Kaji, Nobuo Kawaguchi
Elevator Acceleration Sensing: Design and Estimation Recognition Algorithm Using Crowdsourcing. COMPSAC Workshops (2013)
Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi
Scalable QoS for XCAST Using Differentiated Services Architecture. J. Inf. Process. 21 (1) (2013)
Toshiharu Asai, Katsuhiko Kaji, Nobuo Kawaguchi
External device session initiation framework using mobile phone connection information. AINTEC (2012)
Yumi Nakayama, Katsuhiko Kaji, Nobuo Kawaguchi
Application Layer Traffic Engineering for Multipoint Communication System. NBiS (2012)
Katsuhiko Kaji, Nobuo Kawaguchi
Gaussian Mixture Model and Particle Filter. IPIN (2012)
Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi
QS-XCAST: a QoS aware XCAST implementation. SimuTools (2012)
Nobuo Kawaguchi, Ying Yang, Tianhui Yang, Nobuhiro Ogawa, Yohei Iwasaki, Katsuhiko Kaji, Tsutomu Terada, Kazuya Murao, Sozo Inoue, Yoshihiro Kawahara, Yasuyuki Sumi, Nobuhiko Nishio
HASC2011corpus: towards the common ground of human activity recognition. UbiComp (2011)
Nobuo Kawaguchi, Nobuhiro Ogawa, Yohei Iwasaki, Katsuhiko Kaji, Tsutomu Terada, Kazuya Murao, Sozo Inoue, Yoshihiro Kawahara, Yasuyuki Sumi, Nobuhiko Nishio
HASC Challenge: gathering large scale human activity corpus for the real-world activity understandings. AH (2011)
Nobuo Kawaguchi, Nobuhiro Ogawa, Yohei Iwasaki, Katsuhiko Kaji
Distributed human activity data processing using HASC tool. UbiComp (2011)
Naomi Yamashita, Katsuhiko Kaji, Hideaki Kuzuoka, Keiji Hirata
Improving visibility of remote gestures in distributed tabletop collaboration. CSCW (2011)
Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi
Quantitative simulation of XCAST6 performance using OMNeT++. AINTEC (2011)
Motoki Yano, Katsuhiko Kaji, Nobuo Kawaguchi
TimeTable.Locky: nation wide WiFi location information system based on user contributed information. LocWeb (2010)
Keiji Hirata, Yasunori Harada, Toshihiro Takada, Naomi Yamashita, Shigemi Aoyagi, Yoshinari Shirai, Katsuhiko Kaji, Junji Yamato, Kenji Nakazawa
Basic Design of Video Communication System Enabling Usersto Move Around in Shared Space. IEICE Trans. Electron. (11) (2009)
Keiji Hirata, Yasunori Harada, Toshihiro Takada, Shigemi Aoyagi, Yoshinari Shirai, Naomi Yamashita, Katsuhiko Kaji, Junji Yamato, Kenji Nakazawa
t-Room: Next Generation Video Communication System. GLOBECOM (2008)
Katashi Nagao, Katsuhiko Kaji, Daisuke Yamamoto, Hironori Tomobe
Discussion Mining: Annotation-Based Knowledge Discovery from Real World Activities. PCM (1) (2004)
Keiji Hirata, Shu Matsuda, Katsuhiko Kaji, Katashi Nagao
Annotated Music for Retrieval, Reproduction, and Sharing. ICMC (2004)