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ORCIDKatsuhiko Kaji
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2020 – today
- 2023
[j8]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: 15-20 (2023)- [c58]Soto Mizukusa
, Katsuhiko Kaji:
Cardiac Massage Practice Application using Barometer in a Smart Phone and Sealed Bag. UbiComp/ISWC Adjunct 2023: 451-456 - 2021
- [c57]Yuki Ogane, Ryoga Mizuno, Katsuhiko Kaji:
State Estimation Method Using Radio Wave Intensity of BLE Beacon Installed Inside Object. ICDCN (Adjunct Volume) 2021: 92-97 - [c56]Yuki Ogane, Yu Enokibori, Katsuhiko Kaji:
Monitoring Wheelchair Users in Care Facilities with BLE Beacons Attached to Wheels. ICMU 2021: 1-6 - [c55]Nobuhito Miyagawa, Ryoga Tsuchimoto, Shota Suzaki, Katsuhiko Kaji:
Building a Crowdsensing Platform Based on Spatio-Temporal Fencing. MobiQuitous 2021: 797-809 - 2020
- [j7]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: 44-54 (2020)
2010 – 2019
- 2019
- [j6]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: 10-24 (2019) - [j5]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): 763 (2019) - [c54]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: 774-780 - [c53]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: 862-868 - [c52]Haruki Inoue, Katsuhiko Kaji:
A Smartphone Application that Automatically Provides Arrival Time based on Estimation of Train on Board. ICMU 2019: 1-4 - [c51]Katsuhiko Kaji, Masaaki Kaneko, Nobuyuki Ito, Katsuhiro Naito, Naoya Chujo, Tadanori Mizuno:
A PDR Smartphone Application Considering Side/Backward Steps. ICMU 2019: 1-2 - [c50]Katsuhiko Kaji, Keisuke Isomura, Tsubasa Takai:
Step Recognition Method Using Air Pressure Sensor. IPIN 2019: 1-8 - [c49]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: 463-470 - [p1]Junto Nozaki, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi:
Compensation Scheme for PDR Using Component-Wise Error Models. Human Activity Sensing 2019: 29-46 - 2018
- [c48]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: 1-2 - [c47]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: 1636-1642 - [c46]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: 1643-1651 - [c45]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: 1-6 - [c44]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: 1-6 - [c43]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: 3-17 - [c42]Fumitaka Naruse, Katsuhiko Kaji:
Estimation of Person Existence in Room Using BLE Beacon and Its Platform. MobiCASE 2018: 251-257 - 2017
- [j4]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: 321-330 (2017) - [c41]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: 582-583 - [c40]Kenta Urano, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi:
A location estimation method using mobile BLE tags with tandem scanners. UbiComp/ISWC Adjunct 2017: 577-586 - [c39]Junto Nozaki, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi:
Compensation scheme for PDR using sparse location and error model. UbiComp/ISWC Adjunct 2017: 587-596 - [c38]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: 1-6 - [c37]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: 1-6 - [c36]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: 1-7 - [c35]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: 1-2 - 2016
- [c34]Katsuhiko Kaji, Masaaki Abe, Weimin Wang, Kei Hiroi, Nobuo Kawaguchi:
UbiComp/ISWC 2015 PDR challenge corpus. UbiComp Adjunct 2016: 696-704 - [c33]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: 705-714 - [c32]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: 1-6 - [c31]Kosuke Shimada, Kei Hiroi, Nobuo Kawaguchi, Katsuhiko Kaji:
Measurement methods of spatial ability using a virtual reality system. ICMU 2016: 1-6 - [c30]Masaaki Abe, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi:
PIEM: Path Independent Evaluation Metric for Relative Localization. IPIN 2016: 1-8 - [c29]Katsuhiko Kaji, Nobuo Kawaguchi:
Estimating 3D pedestrian trajectories using stability of sensing signal. IPIN 2016: 1-8 - [c28]Yoshino Niwa, Mayu Inamura, Katsuhiko Kaji:
An Emergency Application for Smartphones Based on Rhythm Pattern Recognition. MobiQuitous (Adjunct Proceedings) 2016: 112-117 - [c27]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: 124-129 - [c26]Shota Ikeda, Katsuhiko Kaji:
pakapaka Method For BLE Beacon Identification. MobiQuitous (Adjunct Proceedings) 2016: 233-238 - [e1]Yusuke Fukazawa, Katsuhiko Kaji:
Ninth International Conference on Mobile Computing and Ubiquitous Networking, ICMU 2016, Kaiserslautern, Germany, October 4-6, 2016. IEEE 2016, ISBN 978-4-9076-2630-3 [contents] - 2015
- [c25]Chenyi Liao, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi:
An Event Data Extraction Method Based on HTML Structure Analysis and Machine Learning. COMPSAC Workshops 2015: 217-222 - [c24]Hirokazu Iida, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi:
A proposal of IndoorGML extended data model for pedestrian-oriented voice navigation system. ISA@SIGSPATIAL 2015: 2:1-2:6 - [c23]Weimin Wang, Kenji Yamakawa, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi:
Velobug: a mobile system for 3D indoor mapping. UbiComp/ISWC Adjunct 2015: 337-340 - [c22]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: 411-414 - [c21]Ryoji Ban, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi:
Indoor positioning method integrating pedestrian Dead Reckoning with magnetic field and WiFi fingerprints. ICMU 2015: 167-172 - 2014
- [c20]Chenyi Liao, Katsuhiko Kaji, Kei Hiroi, Nobuo Kawaguchi:
Design and Implementation of Event Information Summarization System. COMPSAC Workshops 2014: 572-577 - [c19]Yuya Murata, Kei Hiroi, Katsuhiko Kaji, Nobuo Kawaguchi:
Pedestrian dead reckoning based on human activity sensing knowledge. UbiComp Adjunct 2014: 797-806 - [c18]Zuotao Peng, Katsuhiko Kaji, Nobuo Kawaguchi:
Privacy protection in WiFi-based location estimation. ICMU 2014: 62-67 - [c17]Shinji Ichien, Katsuhiko Kaji, Nobuo Kawaguchi:
Proposal of a platform integrating POI information. ICMU 2014: 123-128 - [c16]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: 14:1-14:9 - 2013
- [j3]Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi:
Scalable QoS for XCAST Using Differentiated Services Architecture. Inf. Media Technol. 8(1): 182-195 (2013) - [j2]Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi:
Scalable QoS for XCAST Using Differentiated Services Architecture. J. Inf. Process. 21(1): 131-144 (2013) - [c15]Tianhui Yang, Katsuhiko Kaji, Nobuo Kawaguchi:
Elevator Acceleration Sensing: Design and Estimation Recognition Algorithm Using Crowdsourcing. COMPSAC Workshops 2013: 534-539 - [c14]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: 605-610 - 2012
- [c13]Toshiharu Asai, Katsuhiko Kaji, Nobuo Kawaguchi:
External device session initiation framework using mobile phone connection information. AINTEC 2012: 55-61 - [c12]Katsuhiko Kaji, Nobuo Kawaguchi:
Gaussian Mixture Model and Particle Filter. IPIN 2012: 1-9 - [c11]Yumi Nakayama, Katsuhiko Kaji, Nobuo Kawaguchi:
Application Layer Traffic Engineering for Multipoint Communication System. NBiS 2012: 284-289 - [c10]Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi:
QS-XCAST: a QoS aware XCAST implementation. SimuTools 2012: 307-310 - 2011
- [c9]Odira Elisha Abade, Katsuhiko Kaji, Nobuo Kawaguchi:
Quantitative simulation of XCAST6 performance using OMNeT++. AINTEC 2011: 22-29 - [c8]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: 27 - [c7]Naomi Yamashita, Katsuhiko Kaji, Hideaki Kuzuoka, Keiji Hirata:
Improving visibility of remote gestures in distributed tabletop collaboration. CSCW 2011: 95-104 - [c6]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: 571-572 - [c5]Nobuo Kawaguchi, Nobuhiro Ogawa, Yohei Iwasaki, Katsuhiko Kaji:
Distributed human activity data processing using HASC tool. UbiComp 2011: 603-604 - 2010
- [c4]Motoki Yano, Katsuhiko Kaji, Nobuo Kawaguchi:
TimeTable.Locky: nation wide WiFi location information system based on user contributed information. LocWeb 2010: 7
2000 – 2009
- 2009
- [j1]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. 92-C(11): 1387-1395 (2009) - 2008
- [c3]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: 5536-5539 - 2004
- [c2]Keiji Hirata, Shu Matsuda, Katsuhiko Kaji, Katashi Nagao:
Annotated Music for Retrieval, Reproduction, and Sharing. ICMC 2004 - [c1]Katashi Nagao, Katsuhiko Kaji, Daisuke Yamamoto, Hironori Tomobe:
Discussion Mining: Annotation-Based Knowledge Discovery from Real World Activities. PCM (1) 2004: 522-531
Coauthor Index
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