Automatic signal processing of front monitor radar for tunneling machines. - Toru Sato; Ken-ya Takeda; Takashi Nagamatsu; Toshio Wakayama; Iwane Kimura; Tetsuya Shinbo (IEEE Trans. Geosci. Remote. Sens., 1997)

Development of a Skill Acquisition Support System Using Expert's Eye Movement. - Takashi Nagamatsu; Yohei Kaieda; Junzo Kamahara; Hiroyuki Shimada (HCI (9), 2007)

One-point calibration gaze tracking based on eyeball kinematics using stereo cameras. - Takashi Nagamatsu; Junzo Kamahara; Takumi Iko; Naoki Tanaka (ETRA, 2008)

3D gaze tracking with easy calibration using stereo cameras for robot and human communication. - Takashi Nagamatsu; Junzo Kamahara; Naoki Tanaka (RO-MAN, 2008)

Calibration-free gaze tracking using a binocular 3D eye model. - Takashi Nagamatsu; Junzo Kamahara; Naoki Tanaka (CHI Extended Abstracts, 2009)

Method for Identifying Task Hardships by Analyzing Operational Logs of Instruction Videos. - Junzo Kamahara; Takashi Nagamatsu; Yuki Fukuhara; Yohei Kaieda; Yutaka Ishii (SAMT, 2009)

MobiGaze: development of a gaze interface for handheld mobile devices. - Takashi Nagamatsu; Michiya Yamamoto; Hiroshi Sato (CHI Extended Abstracts, 2010)

Gaze estimation method based on an aspherical model of the cornea: surface of revolution about the optical axis of the eye. - Takashi Nagamatsu; Yukina Iwamoto; Junzo Kamahara; Naoki Tanaka; Michiya Yamamoto (ETRA, 2010)

User-calibration-free gaze tracking with estimation of the horizontal angles between the visual and the optical axes of both eyes. - Takashi Nagamatsu; Ryuichi Sugano; Yukina Iwamoto; Junzo Kamahara; Naoki Tanaka (ETRA, 2010)

Development of eye-tracking pen display based on stereo bright pupil technique. - Michiya Yamamoto; Takashi Nagamatsu; Tomio Watanabe (ETRA, 2010)

Development of eye-tracking tabletop interface for media art works. - Michiya Yamamoto; Munehiro Komeda; Takashi Nagamatsu; Tomio Watanabe (ITS, 2010)

Instructional Video Content Employing User Behavior Analysis: Time Dependent Annotation with Levels of Detail. - Junzo Kamahara; Takashi Nagamatsu; Masashi Tada; Yohei Kaieda; Yutaka Ishii (UMAP, 2010)

Development of an Eye-Tracking Pen Display for Analyzing Embodied Interaction. - Michiya Yamamoto; Hiroshi Sato; Keisuke Yoshida; Takashi Nagamatsu; Tomio Watanabe (HCI (11), 2011)

Hyakunin-Eyesshu: a tabletop Hyakunin-Isshu game with computer opponent by the action prediction based on gaze detection. - Michiya Yamamoto; Munehiro Komeda; Takashi Nagamatsu; Tomio Watanabe (NGCA, 2011)

WobblySurface: tactile feedback by holding/releasing a surface panel. - Takashi Nagamatsu; Sachio Echizen; Teruhiko Akazawa; Junzo Kamahara (ITS, 2011)

User-Calibration-Free Gaze Estimation Method Using a Binocular 3D Eye Model. - Takashi Nagamatsu; Ryuichi Sugano; Yukina Iwamoto; Junzo Kamahara; Naoki Tanaka (IEICE Trans. Inf. Syst., 2011)

Design of GeoConscious P2P Content-based Image Retrieval. - Junzo Kamahara; Naoki Tanaka; Katsutoshi Hirayama; Takashi Nagamatsu; Yuuichi Teranishi; Yusuke Ariyoshi (BWCCA, 2012)

Remote gaze-tracking system with automatic user calibration using particle filter. - Tatsuhiko Ueki; Ryuichi Sugano; Takashi Nagamatsu; Junzo Kamahara (CHI Extended Abstracts, 2012)

Mathematical model for wide range gaze tracking system based on corneal reflections and pupil using stereo cameras. - Takashi Nagamatsu; Michiya Yamamoto; Ryuichi Sugano; Junzo Kamahara (ETRA, 2012)

Conjunctive ranking function using geographic distance and image distance for geotagged image retrieval. - Junzo Kamahara; Takashi Nagamatsu; Naoki Tanaka (GeoMM@ACM Multimedia, 2012)

Development of a gaze-and-touch algorithm for a tabletop Hyakunin-Isshu game with a computer opponent. - Michiya Yamamoto; Munehiro Komeda; Takashi Nagamatsu; Tomio Watanabe (RO-MAN, 2012)

Gaze Estimation Method Involving Corneal Reflection-Based Modeling of the Eye as a General Surface of Revolution about the Optical Axis of the Eye. - Takashi Nagamatsu; Yukina Iwamoto; Ryuichi Sugano; Junzo Kamahara; Naoki Tanaka; Michiya Yamamoto (IEICE Trans. Inf. Syst., 2012)

Development of a Mobile Tablet PC with Gaze-Tracking Function. - Michiya Yamamoto; Hironobu Nakagawa; Koichi Egawa; Takashi Nagamatsu (HCI (14), 2013)

Location-dependent content-based image retrieval system based on a P2P mobile agent framework. - Yusuke Ariyoshi; Junzo Kamahara; Naoki Tanaka; Katsutoshi Hirayama; Takashi Nagamatsu; Yuuichi Teranishi (PerCom Workshops, 2013)

Eye-tracking volume simulation method to configure hardware settings for tangible and multi-user tabletop interaction. - Koichi Egawa; Hiroaki Takai; Michiya Yamamoto; Takashi Nagamatsu (ITS, 2013)

Development of Corneal Reflection-based Gaze Tracking System for Public Use. - Takashi Nagamatsu; Kaoruko Fukuda; Michiya Yamamoto (PerDis, 2014)

Simulator for developing gaze sensitive environment using corneal reflection-based remote gaze tracker. - Takashi Nagamatsu; Michiya Yamamoto; Gerhard Rigoll (SUI, 2014)

Supporting remote guidance through 3D annotations. - Philipp Tiefenbacher; Tobias Gehrlich; Gerhard Rigoll; Takashi Nagamatsu (SUI, 2014)

Multi-push Display using 6-axis Motion Platform. - Takashi Nagamatsu; Masahiro Nakane; Haruka Tashiro; Teruhiko Akazawa (ITS, 2014)

Framework for Realizing a Free-Target Eye-tracking System. - Daiki Sakai; Michiya Yamamoto; Takashi Nagamatsu (IUI Companion, 2015)

Implicit user calibration for gaze-tracking systems using kernel density estimation. - Kohei Miki; Takashi Nagamatsu; Dan Witzner Hansen (ETRA, 2016)

Enter your PIN code securely!: utilization of personal difference of angle kappa. - Daiki Sakai; Michiya Yamamoto; Takashi Nagamatsu; Satoshi Fukumori (ETRA, 2016)

Formulation of Diagnostic Expertise in Oral Health Care and Its Application to Clinical Education. - Kyoko Ito; Haruki Sao; Takashi Nagamatsu; Junko Nagata; Kenji Takada (HCI (29), 2017)

An unobservable and untraceable input method for public spaces by reconstructing points of gaze only on servers. - Michiya Yamamoto; Hirofumi Sakiyama; Satoshi Fukumori; Takashi Nagamatsu (SUI, 2017)

Implicit user calibration for gaze-tracking systems using an averaged saliency map around the optical axis of the eye. - Mamoru Hiroe; Michiya Yamamoto; Takashi Nagamatsu (ETRA, 2018)

Modeling corneal reflection for eye-tracking considering eyelid occlusion. - Michiya Yamamoto; Ryoma Matsuo; Satoshi Fukumori; Takashi Nagamatsu (ETRA, 2018)

Cross-Ratio Based Gaze Estimation using Polarization Camera System. - Masato Sasaki; Takashi Nagamatsu; Kentaro Takemura (ISS, 2018)

Implicit User Calibration for Model-based Gaze-tracking System using Face Detection around Optical Axis of Eye. - Mamoru Hiroe; Shogo Mitsunaga; Takashi Nagamatsu (CHI Extended Abstracts, 2019)

Screen corner detection using polarization camera for cross-ratio based gaze estimation. - Masato Sasaki; Takashi Nagamatsu; Kentaro Takemura (ETRA, 2019)

Corneal-Reflection-Based Wide Range Gaze Tracking for a Car. - Takashi Nagamatsu; Mamoru Hiroe; Gerhard Rigoll (HCI (5), 2019)

Cross-Ratio Based Gaze Estimation for Multiple Displays using a Polarization Camera. - Masato Sasaki; Takashi Nagamatsu; Kentaro Takemura (UIST (Adjunct Volume), 2019)

Extending the Measurement Angle of a Gaze Estimation Method Using an Eye Model Expressed by a Revolution about the Optical Axis of the Eye. - Takashi Nagamatsu; Mamoru Hiroe; Hisashi Arai (IEICE Trans. Inf. Syst., 2021)

Model-based Gaze Estimation with Transparent Markers on Large Screens. - Koki Koshikawa; Takashi Nagamatsu; Kentaro Takemura (Proc. ACM Hum. Comput. Interact., 2022)

Implicit User Calibration for Gaze-tracking Systems Using Saliency Maps Filtered by Eye Movements. - Mamoru Hiroe; Michiya Yamamoto; Takashi Nagamatsu (ETRA, 2023)

Distinguishing Orthodontic Experts From Laypersons Through Gaze Analysis. - Junzo Kamahara; Takashi Nagamatsu; Kyoko Ito; Mamoru Hiroe; Haruki Sao; Saizo Aoyagi; Junko Nagata; Kenji Takada (IEEE Access, 2023)

Attempts on detecting Alzheimer's disease by fine-tuning pre-trained model with Gaze Data. - Junichi Nagasawa; Yuichi Nakata; Mamoru Hiroe; Yujia Zheng; Yutaka Kawaguchi; Yuji Maegawa; Naoki Hojo; Tetsuya Takiguchi; Minoru Nakayama; Maki Uchimura; Yuma Sonoda; Hisatomo Kowa; et al. (ETRA, 2024)

Dementia detection by gaze using visuospatial memory task with CNN. - Takeru Mukunoki; Junichi Nagasawa; Yuichi Nakata; Mamoru Hiroe; Yujia Zheng; Minoru Nakayama; Yuma Sonoda; Hisatomo Kowa; Takashi Nagamatsu (ETRA, 2025)

Exploring Individual Differences in Gaze Patterns using Recurrence Plot. - Junichi Nagasawa; Toshiya Isomoto; Takashi Nagamatsu (ETRA, 2025)