Annotated Music for Retrieval, Reproduction, and Sharing. - Keiji Hirata 001; Shu Matsuda; Katsuhiko Kaji; Katashi Nagao (ICMC, 2004)

Discussion Mining: Annotation-Based Knowledge Discovery from Real World Activities. - Katashi Nagao; Katsuhiko Kaji; Daisuke Yamamoto; Hironori Tomobe (PCM (1), 2004)

t-Room: Next Generation Video Communication System. - Keiji Hirata 001; Yasunori Harada; Toshihiro Takada; Shigemi Aoyagi; Yoshinari Shirai; Naomi Yamashita; Katsuhiko Kaji; Junji Yamato; Kenji Nakazawa (GLOBECOM, 2008)

Basic Design of Video Communication System Enabling Usersto Move Around in Shared Space. - Keiji Hirata 001; Yasunori Harada; Toshihiro Takada; Naomi Yamashita; Shigemi Aoyagi; Yoshinari Shirai; Katsuhiko Kaji; Junji Yamato; Kenji Nakazawa (IEICE Trans. Electron., 2009)

TimeTable.Locky: nation wide WiFi location information system based on user contributed information. - Motoki Yano; Katsuhiko Kaji; Nobuo Kawaguchi (LocWeb, 2010)

Quantitative simulation of XCAST6 performance using OMNeT++. - Odira Elisha Abade; Katsuhiko Kaji; Nobuo Kawaguchi (AINTEC, 2011)

HASC Challenge: gathering large scale human activity corpus for the real-world activity understandings. - Nobuo Kawaguchi; Nobuhiro Ogawa; Yohei Iwasaki; Katsuhiko Kaji; Tsutomu Terada; Kazuya Murao; Sozo Inoue; Yoshihiro Kawahara; Yasuyuki Sumi; Nobuhiko Nishio (AH, 2011)

Improving visibility of remote gestures in distributed tabletop collaboration. - Naomi Yamashita; Katsuhiko Kaji; Hideaki Kuzuoka; Keiji Hirata 001 (CSCW, 2011)

Distributed human activity data processing using HASC tool. - Nobuo Kawaguchi; Nobuhiro Ogawa; Yohei Iwasaki; Katsuhiko Kaji (UbiComp, 2011)

HASC2011corpus: towards the common ground of human activity recognition. - Nobuo Kawaguchi; Ying Yang; Tianhui Yang; Nobuhiro Ogawa; Yohei Iwasaki; Katsuhiko Kaji; Tsutomu Terada; Kazuya Murao; Sozo Inoue; Yoshihiro Kawahara; Yasuyuki Sumi; Nobuhiko Nishio (UbiComp, 2011)

External device session initiation framework using mobile phone connection information. - Toshiharu Asai; Katsuhiko Kaji; Nobuo Kawaguchi (AINTEC, 2012)

Gaussian Mixture Model and Particle Filter. - Katsuhiko Kaji; Nobuo Kawaguchi (IPIN, 2012)

Application Layer Traffic Engineering for Multipoint Communication System. - Yumi Nakayama; Katsuhiko Kaji; Nobuo Kawaguchi (NBiS, 2012)

QS-XCAST: a QoS aware XCAST implementation. - Odira Elisha Abade; Katsuhiko Kaji; Nobuo Kawaguchi (SimuTools, 2012)

Elevator Acceleration Sensing: Design and Estimation Recognition Algorithm Using Crowdsourcing. - Tianhui Yang; Katsuhiko Kaji; Nobuo Kawaguchi (COMPSAC Workshops, 2013)

HASC-IPSC: indoor pedestrian sensing corpus with a balance of gender and age for indoor positioning and floor-plan generation researches. - Katsuhiko Kaji; Hodaka Watanabe; Ryoji Ban; Nobuo Kawaguchi (UbiComp (Adjunct Publication), 2013)

Scalable QoS for XCAST Using Differentiated Services Architecture. - Odira Elisha Abade; Katsuhiko Kaji; Nobuo Kawaguchi (J. Inf. Process., 2013)

Design and Implementation of Event Information Summarization System. - Chenyi Liao; Katsuhiko Kaji; Kei Hiroi; Nobuo Kawaguchi (COMPSAC Workshops, 2014)

Pedestrian dead reckoning based on human activity sensing knowledge. - Yuya Murata; Kei Hiroi; Katsuhiko Kaji; Nobuo Kawaguchi (UbiComp Adjunct, 2014)

Proposal of a platform integrating POI information. - Shinji Ichien; Katsuhiko Kaji; Nobuo Kawaguchi (ICMU, 2014)

Privacy protection in WiFi-based location estimation. - Zuotao Peng; Katsuhiko Kaji; Nobuo Kawaguchi (ICMU, 2014)

Non-Local Dictionary Based Japanese Dish Names Recognition Using Multi-Feature CRF from Online Reviews. - Weichang Chen; Katsuhiko Kaji; Nobuo Kawaguchi; Kei Hiroi (WIMS, 2014)

An Event Data Extraction Method Based on HTML Structure Analysis and Machine Learning. - Chenyi Liao; Kei Hiroi; Katsuhiko Kaji; Nobuo Kawaguchi (COMPSAC Workshops, 2015)

A proposal of IndoorGML extended data model for pedestrian-oriented voice navigation system. - Hirokazu Iida; Kei Hiroi; Katsuhiko Kaji; Nobuo Kawaguchi (ISA@SIGSPATIAL, 2015)

A pedestrian passage detection method by using spinning magnets on corridors. - Chihiro Takeshima; Katsuhiko Kaji; Kei Hiroi; Nobuo Kawaguchi; Takeshi Kamiyama; Ken Ohta; Hiroshi Inamura (UbiComp/ISWC Adjunct, 2015)

Velobug: a mobile system for 3D indoor mapping. - Weimin Wang 007; Kenji Yamakawa; Kei Hiroi; Katsuhiko Kaji; Nobuo Kawaguchi (UbiComp/ISWC Adjunct, 2015)

Indoor positioning method integrating pedestrian Dead Reckoning with magnetic field and WiFi fingerprints. - Ryoji Ban; Katsuhiko Kaji; Kei Hiroi; Nobuo Kawaguchi (ICMU, 2015)

HASC-PAC2016: large scale human pedestrian activity corpus and its baseline recognition. - Haruyuki Ichino; Katsuhiko Kaji; Ken Sakurada; Kei Hiroi; Nobuo Kawaguchi (UbiComp Adjunct, 2016)

UbiComp/ISWC 2015 PDR challenge corpus. - Katsuhiko Kaji; Masaaki Abe; Weimin Wang 007; Kei Hiroi; Nobuo Kawaguchi (UbiComp Adjunct, 2016)

Multi-algorithm on-site evaluation system for PDR challenge. - Katsuhiko Kaji; Kohei Kanagu; Kazuya Murao; Nobuhiko Nishio; Kenta Urano; Hirokazu Iida; Nobuo Kawaguchi (ICMU, 2016)

Measurement methods of spatial ability using a virtual reality system. - Kosuke Shimada; Kei Hiroi; Nobuo Kawaguchi; Katsuhiko Kaji (ICMU, 2016)

PIEM: Path Independent Evaluation Metric for Relative Localization. - Masaaki Abe; Katsuhiko Kaji; Kei Hiroi; Nobuo Kawaguchi (IPIN, 2016)

Estimating 3D pedestrian trajectories using stability of sensing signal. - Katsuhiko Kaji; Nobuo Kawaguchi (IPIN, 2016)

pakapaka Method For BLE Beacon Identification. - Shota Ikeda; Katsuhiko Kaji (MobiQuitous (Adjunct Proceedings), 2016)

An Emergency Application for Smartphones Based on Rhythm Pattern Recognition. - Yoshino Niwa; Mayu Inamura; Katsuhiko Kaji (MobiQuitous (Adjunct Proceedings), 2016)

A Location Estimation Method using BLE Tags Distributed Among Participants of a Large-Scale Exhibition. - Kenta Urano; Kei Hiroi; Katsuhiko Kaji; Nobuo Kawaguchi (MobiQuitous (Adjunct Proceedings), 2016)

Demo: Prototype implementation of ID card based momentum measurement system. - Naoki Yamamoto; Toshifumi Watanabe; Mizuki Murase; Katsuhiro Naito; Nobuyuki Ito; Katsuhiko Kaji; Naoya Chujo; Tadanori Mizuno (CCNC, 2017)

Compensation scheme for PDR using sparse location and error model. - Junto Nozaki; Kei Hiroi; Katsuhiko Kaji; Nobuo Kawaguchi (UbiComp/ISWC Adjunct, 2017)

A location estimation method using mobile BLE tags with tandem scanners. - Kenta Urano; Katsuhiko Kaji; Kei Hiroi; Nobuo Kawaguchi (UbiComp/ISWC Adjunct, 2017)

Implementation and evaluation of child's location history transportation device for potentially dangerous area detection. - Kazunori Omura Hiroyuki Nonomura; Katsuhiro Naito; Tadanori Mizuno; Katsuhiko Kaji (ICMU, 2017)

Pedestrian direction estimation for each step using plane component of accelerometer. - Shogo Shimizu; Nobuyuki Ito; Katsuhiro Naito; Naoya Chujo; Tadanori Mizuno; Katsuhiko Kaji (ICMU, 2017)

A three-dimensional smartphone positioning method using a spinning magnet marker. - Kosuke Watanabe; Kei Hiroi; Takeshi Kamiyama; Hiroyuki Sano; Masakatsu Tsukamoto; Masaji Katagiri; Daizo Ikeda; Katsuhiko Kaji; Nobuo Kawaguchi (ICMU, 2017)

Detection of half-turn stairs from walking trajectories estimated by pedestrian dead reckoning. - Kosuke Yotsuya; Haruka Iwase; Nobuyuki Ito; Katsuhiro Naito; Naoya Chujo; Tadanori Mizuno; Katsuhiko Kaji (ICMU, 2017)

Event.Locky: System of Event-Data Extraction from Webpages based on Web Mining. - Chenyi Liao; Kei Hiroi; Katsuhiko Kaji; Ken Sakurada; Nobuo Kawaguchi (J. Inf. Process., 2017)

Prototype implementation of RFID based health management system with low-power ARM microcomputer. - Toshifumi Watanabe; Mizuki Murase; Katsuhiro Naito; Nobuyuki Ito; Katsuhiko Kaji; Naoya Chujo; Tadanori Mizuno (CCNC, 2018)

Short Segment Random Forest with Post Processing Using Label Constraint for SHL Recognition Challenge. - Hitoshi Matsuyama; Kenta Urano; Kei Hiroi; Katsuhiko Kaji; Nobuo Kawaguchi (UbiComp/ISWC Adjunct, 2018)

Activity Recognition Using Dual-ConvLSTM Extracting Local and Global Features for SHL Recognition Challenge. - Yuta Yuki; Junto Nozaki; Kei Hiroi; Katsuhiko Kaji; Nobuo Kawaguchi (UbiComp/ISWC Adjunct, 2018)

Partial Matching Estimation Method of Walking Trajectories for Generating Indoor Pedestrian Networks. - Sou Sugimoto; Nobuyuki Ito; Katsuhiro Naito; Naoya Chujo; Tadanori Mizuno; Katsuhiko Kaji (ICMU, 2018)

Method to Improve Accuracy of Indoor PDR Trajectories Using a Large Amount of Trajectories. - Kosuke Yotsuya; Nobuyuki Ito; Katsuhiro Naito; Naoya Chujo; Tadanori Mizuno; Katsuhiko Kaji (ICMU, 2018)

Making Pier Data Broader and Deeper: - PDR Challenge and Virtual Mapping Party. - Takeshi Kurata; Ryosuke Ichikari; Ryo Shimomura; Katsuhiko Kaji; Takashi Okuma; Masakatsu Kourogi (MobiCASE, 2018)

Estimation of Person Existence in Room Using BLE Beacon and Its Platform. - Fumitaka Naruse; Katsuhiko Kaji (MobiCASE, 2018)

Compensation Scheme for PDR Using Component-Wise Error Models. - Junto Nozaki; Kei Hiroi; Katsuhiko Kaji; Nobuo Kawaguchi (Human Activity Sensing, 2019)

Ballroom dance step type recognition by random forest using video and wearable sensor. - Hitoshi Matsuyama; Kei Hiroi; Katsuhiko Kaji; Takuro Yonezawa; Nobuo Kawaguchi (UbiComp/ISWC Adjunct, 2019)

Sampling rate dependency in pedestrian walking speed estimation using DualCNN-LSTM. - Takuto Yoshida; Junto Nozaki; Kenta Urano; Kei Hiroi; Katsuhiko Kaji; Takuro Yonezawa; Nobuo Kawaguchi (UbiComp/ISWC Adjunct, 2019)

A Smartphone Application that Automatically Provides Arrival Time based on Estimation of Train on Board. - Haruki Inoue; Katsuhiko Kaji (ICMU, 2019)

A PDR Smartphone Application Considering Side/Backward Steps. - Katsuhiko Kaji; Masaaki Kaneko; Nobuyuki Ito; Katsuhiro Naito; Naoya Chujo; Tadanori Mizuno (ICMU, 2019)

Step Recognition Method Using Air Pressure Sensor. - Katsuhiko Kaji; Keisuke Isomura; Tsubasa Takai (IPIN, 2019)

End-to-end walking speed estimation method for smartphone PDR using DualCNN-LSTM. - Nobuo Kawaguchi; Junto Nozaki; Takuto Yoshida; Kei Hiroi; Takuro Yonezawa; Katsuhiko Kaji (IPIN (Short Papers/Work-in-Progress Papers), 2019)

A Smartphone 3D Positioning Method using a Spinning Magnet Marker. - Kosuke Watanabe; Kei Hiroi; Takeshi Kamiyama; Hiroyuki Sano; Masakatsu Tsukamoto; Masaji Katagiri; Daizo Ikeda; Katsuhiko Kaji; Nobuo Kawaguchi (J. Inf. Process., 2019)

Off-Site Indoor Localization Competitions Based on Measured Data in a Warehouse. - Ryosuke Ichikari; Katsuhiko Kaji; Ryo Shimomura; Masakatsu Kourogi; Takashi Okuma; Takeshi Kurata (Sensors, 2019)

Method to Improve Accuracy of Indoor PDR Trajectories Using a Large Number of Trajectories. - Kosuke Yotsuya; Katsuhiro Naito; Naoya Chujo; Tadanori Mizuno; Katsuhiko Kaji (J. Inf. Process., 2020)

State Estimation Method Using Radio Wave Intensity of BLE Beacon Installed Inside Object. - Yuki Ogane; Ryoga Mizuno; Katsuhiko Kaji (ICDCN (Adjunct Volume), 2021)

Monitoring Wheelchair Users in Care Facilities with BLE Beacons Attached to Wheels. - Yuki Ogane; Yu Enokibori; Katsuhiko Kaji (ICMU, 2021)

Building a Crowdsensing Platform Based on Spatio-Temporal Fencing. - Nobuhito Miyagawa; Ryoga Tsuchimoto; Shota Suzaki; Katsuhiko Kaji (MobiQuitous, 2021)

Cardiac Massage Practice Application using Barometer in a Smart Phone and Sealed Bag. - Soto Mizukusa; Katsuhiko Kaji (UbiComp/ISWC Adjunct, 2023)

A Survey of Ground Truth Measurement Systems for Indoor Positioning. - Takuto Yoshida; Katsuhiko Kaji; Satoki Ogiso; Ryosuke Ichikari; Hideaki Uchiyama; Takeshi Kurata; Nobuo Kawaguchi (J. Inf. Process., 2023)