International Conference
H. Liu, Y. Li, T. Hiraoka, T. Wada, Causal Discovery from Psychological States to Walking Behaviors for Pedestrians Interacting an APMV Equipped with eHMIs, 35th IEEE Intelligent Vehicles Symposium (IEEE IV 2024) (2024.6) [to appear]
M. Kuge, H. Liu, T. Hiraoka, T. Wada, An eHMI Presenting Request-to-Intervene Status of Level 3 Automated Vehicles to Surrounding Vehicles, 35th IEEE Intelligent Vehicles Symposium (IEEE IV 2024) (2024.6) [to appear]
R. Matsuo, H. Liu, T. Hiraoka, T. Wada, Enhancing the Driver's Comprehension of ADS's System Limitations: An HMI Providing Request-to-Intervene Trigger and Reason Explanation, 2024 IEEE 4th International Conference on Human-Machine Systems (IEEE ICHMS 2024) (2024.5) [to appear]
H. Kim, M. Fischer, J. Jeon, S. Pyo, K. Honma, M. Pennington, H. Liu, K. Shimono, T. Hiraoka, Design Exploration of Robotic In-car Accessories for Semi-autonomous Vehicle, The 19th Annual ACM/IEEE International Conference on Human Robot Interaction (HRI'24), pp.603-607 (2024.3) DOI: 10.1145/3610978.3640596
R. Masuda, S. Ono, T. Hiraoka, Y. Suda, Trust estimation of pedestrians crossing street based on measurement of pedestrian behavior in VR, Proc. of FAST-zero'23 (2023.11)
M. Miki, K. Shimono, T. Hiraoka, Y. Suda, Improvement of transient response of active pitch control for preventing passenger falling over in autonomous shuttle, Proc. of the 28th IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks (2023.8)
R. Masuda, S. Ono, T. Hiraoka, Y. Suda, Trust estimation for autonomous vehicles by measuring pedestrian behavior in VR, Proc. of HRI '23: Companion of the 2023 ACM/IEEE International Conference on Human-Robot Interaction (2023.3) DOI: 10.1145/3568294.3580072
T. Hiraoka, K. Kato, K. Shimono, Y. Suda, Active pitch control for prevention of passenger falling over in autonomous shuttle, Advances in Dynamics of Vehicles on Roads and Tracks II (Proc. of the 27th Symposium of the International Association of Vehicle System Dynamics, IAVSD2021), LNME (2021.8) DOI: 10.1007/978-3-031-07305-2_63
Y. Klebanov, R. Mikulinsky, T. Reznikov, M. Pennington, T. Hiraoka, Y. Suda, S. Kanzaki, How can design help enhance trust calibration in public autonomous vehicles?, IEEE Intelligent Vehicles Symposium (IV2021) Workshop "Trust calibration for Human-AV Interactions" (2021.7) [preprint]
A. Koegel, C. Furet, T. Suzuki, Y. Klebanov, J. Hu, T. Kappeler, D. Okazaki, K. Matsui, T. Hiraoka, K. Nakano, K. Honma, M. Pennington, Exploration of increasing driver’s trust in a semi-autonomous vehicle through real-time visualizations of collaborative driving dynamic, IEEE Intelligent Vehicles Symposium (IV2021) Workshop "Trust calibration for Human-AV Interactions" (2021.7) [preprint]
W. Chen, T. Sawaragi, T. Hiraoka, Driver’s Mental Workload Measurement Concerning Cognitive Channels, Proc. of SICE Annual Conference 2020, pp.1458-1463 (2020.9) DOI: 10.23919/SICE48898.2020.9240327
H. Liu, T. Hiraoka, Driving behavior model considering driver's over-trust in driving automation system, Proc. of AutomotiveUI'19, pp.115-119 (2019.9) DOI: 10.1145/3349263.3351525
T. Hiraoka, How do we share the "control" when using the haptic shared control for an advanced driver-assistance system? -Direct HSC and Indirect HSC-, IFAC-PapersOnline (Proc. of The 14th IFAC/IFIP/IFORS/IEA Symposium on Analysis, Design, and Evaluation of Human-Machine Systems (IFAC-HMS 2019)), pp.61-66 (2019.9) DOI: 10.1016/j.ifacol.2019.12.107
H. Liu, T. Hiraoka, T. Hirayama, D. Kim, Saliency difference based objective evaluation method for a superimposed screen of the HUD with various background, IFAC-PapersOnline (Proc. of The 14th IFAC/IFIP/IFORS/IEA Symposium on Analysis, Design, and Evaluation of Human-Machine Systems (IFAC-HMS 2019)), pp.323-328 (2019.9) DOI: doi.org/10.1016/j.ifacol.2019.12.073
H. Liu, T. Hiraoka, S. Tanaka, Explicit behaviors affected by driver's trust in a driving automation system, Proc. of 5th International Symposium on Future Active Safety Technology toward Zero Accidents (FAST-zero'19) (2019.9)
T. Hiraoka, K. Sono, Driver-assistance system to improve ability of self-motion perception based on optical flow, Proc. of 5th International Symposium on Future Active Safety Technology toward Zero Accidents (FAST-zero'19) (2019.9)
T. Hiraoka, H. Kawakami, Redefinition of benefits of inconvenience, Proc. of HCI International 2019 (LNCS 11566), pp.131-144 (2019.7) DOI: 10.1007/978-3-030-22646-6_10
H. Kawakami, T. Hiraoka, Methods for designing systems with benefits of inconvenience, Proc. of HCI International 2019 (LNCS 11583), pp.253-263 (2019.7) DOI: 10.1007/978-3-030-23570-3_19
T. Yamakawa, K. Fujiwara, T. Hiraoka, M. Kano, Y. Sumi, F. Masuda, M. Matsuo, H. Kadotani, Validation of HRV-Based Drowsy-Driving Detection Method with EEG Sleep Stage Classification, Sleep Medicine, Vol. 40, Supplement 1, e352 (Proc. of World Sleep Congress) (2017.10) DOI: 10.1016/j.sleep.2017.11.1038
T. Hiraoka, T. Tachibana, Advanced driver-assistance system to encourage motivation and skill improvement for safe and smooth driving, Proc. of FAST-zero 2017 Symposium (2017.9)
T. Suzaki, T. Kubo, T. Hiraoka, Y. Nakagawa, T. Terada, T. Yoshioka, K. Ikeda, Steering behavior model of drivers on driving simulator through visual information, Proc. of APSIPA ASC 2016 (Asia-Pacific Signal and Information Processing Association Annual Summit and Conference) (2016.12) DOI: 10.1109/APSIPA.2016.7820775
T. Hiraoka, T. W. Wang, H. Kawakami, Cognitive function training system using game-based design for elderly drivers, Proc. of The 13th IFAC/IFIP/IFORS/IEA Symposium on Analysis, Design, and Evaluation of Human-Machine Systems (IFAC HMS2016), CD-ROM (2016.8) DOI: 10.1016/j.ifacol.2016.10.613
T. Hiraoka, T. Ibe, E. Abe, K. Fujiwara, T. Yamakawa, Wakefulness keeping support system for drivers based on game using body movement and voice input command, Proc. of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (2016.8)
H. Kawakami, T. Hiraoka, Y. Hasebe, A scheme for representing beneficial inconvenience, Proc. of 18th International Conference on Human-Computer Interaction (HCII 2016), LNCS9747 (Design, User Experience, and Usability: Novel User Experiences), pp.25-33 (2016.7) DOI: 10.1007/978-3-319-40355-7_3
H. Kawakami, T. Hiraoka, S. Riku, Ideation support based on infomorphism for designing beneficial inconvenience, Proc. of The 19th Asia Pacific Symposium on Intelligent and Evolutionary Systems (IES2015) (2015.11) [Best Paper Award of IES2015] DOI: 10.1007/978-3-319-27000-5_21
T. Hiraoka, M. Hayakawa, Haptic interface of driver-assistance system based on safe driving evaluation, Proc. of the 2015 IEEE International Conference on Vehicular Electronics and Safety, pp.170-175 (2015.11) DOI:10.1109/ICVES.2015.7396910
H. Kawakami, T. Hiraoka, T. Araki, Making systems inconvenient to stimulate motivation of competent users, Proc. of 2015 IEEE International Conference on Systems, Man, and Cybernetics, pp.149-154 (2015.10) DOI:10.1109/SMC.2015.265
S. Takada, T. Hiraoka, A. Saito, T. Fujii, S. An, Development of safe driving support system in expressway incorporating gamenics theory, Proc. of 22nd World Congress on Intelligent Transport Systems (2015.10)
T. Tachibana, T. Hiraoka, M. Kasai, S. Matsumoto, Time-headway information display for reduction of traffic jam, Proc. of 22nd World Congress on Intelligent Transport Systems (2015.10)
H. Chigira, T. Hori, K. Fujiwara, T. Hiraoka, T. Watanabe, O. Mizuno, Heart rate monitoring on steering wheel using surface type sensor, Proc. of 22nd World Congress on Intelligent Transport Systems (2015.10)
H. Sakurai, S. Matsumoto, M. Kasai, T. Hiraoka, Effect of acceleration information provision of pre-preceding vehicle in starting, Proc. of 22nd World Congress on Intelligent Transport Systems (2015.10)
T. Hiraoka, K. Nozaki, S. Takada, H. Kawakami, Safe driving evaluation system to enhance motivation for safe driving, Proc. of FAST-zero 2015 Symposium, pp.613-620 (2015.9)
E. Abe, K. Fujiwara, T. Hiraoka, T. Yamakawa, M. Kano, Development of drowsy driving accident prediction by heart rate variability analysis, Proc. of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2014 (APSIPA ASC 2014) (2014.12) DOI:10.1109/APSIPA.2014.7041787
E. Abe, K. Fujiwara, T. Hiraoka, T. Yamakawa, M. Kano, Drowsy driving accident prediction based on heart rate variability analysis, Proc. of 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (2014.8)
H. Kawakami, T. Hiraoka, Contemplating AI technologies from the viewpoint of benefit of inconvenience, Proc. of 2013 Conference on Technologies and Applications of Artificial Intelligence, pp.335-336 (2013.12) DOI:10.1109/TAAI.2013.72
Y. Hasebe, H. Kawakami, T. Hiraoka, K. Naito, A card-type tool to support divergent thinking for embodying benefit of inconvenience, Proc. of 2013 Conference on Technologies and Applications of Artificial Intelligence, pp.306-312 (2013.12) DOI:10.1109/TAAI.2013.67
M. Hayakawa, T. Hiraoka, H. Kawakami, Haptic interface to encourage preparation for a deceleration behavior against potential collision risk, Proc. of SICE Annual Conference 2013, pp.1425-1428 (2013.9)
T. Hiraoka, S. Takada, H. Kawakami, Proposal of non-dimensional parameter indices to evaluate safe driving behavior, Proc. of 15th International Conference on Human-Computer Interaction (HCII 2013), LNCS8013 (Human Interface and the Management of Information), pp.470-479 (2013.7) DOI:10.1007/978-3-642-39215-3_54
S. Takada, T. Hiraoka, H. Kawakami, Effect of forward obstacles collision warning system based on deceleration for collision avoidance on driving behavior, Proc. of 19th World Congress on Intelligent Transport Systems, CD-ROM (2012.10)
K. Naito, H. Kawakami, T. Hiraoka, Design support method for implementing benefit of inconvenience inspired by TRIZ, Proc.of Conference TRIZ Future 2012, pp.351-356 (2012.10)
K. Nozaki, T. Hiraoka, S. Takada, T. Shiose, H. Kawakami, Effect of active effort in eco-driving support system on proficiency of driving skill, Proc. of SICE Annual Conference 2012, pp.646-651 (2012.8)
K. Naito, H. Kawakami, T. Hiraoka, K. Inui, Support System for Embodying Benefit of Inconvenience by referring TRIZ, Proc. of 8th International Conference on Humanized Systems (ICHS2012), pp.175-180 (2012.8)
T. Hiraoka, S. Nishikawa, H. Kawakami, Driver-assistance system to encourage spontaneous eco-driving behavior, Proc. of 18th World Congress on Intelligent Transport Systems, CD-ROM (2011.10)
S. Takada, T. Hiraoka, H. Kawakami, Forward obstacles collision warning system based on deceleration for collision avoidance, Proc. of SICE Annual Conference 2011, pp.184-191 (2011.9)
T. Hiraoka, S. Nishikawa, S. Yamabe, S. Matsumoto, Sustainability verification of eco-driving behavior based on driving simulator experiments, Proc. of 17th World Congress on Intelligent Transport Systems, CD-ROM (2010.10)
T. Hiraoka, J. Masui, S. Nishikawa, Behavioral adaptation to advanced driver-assistance systems, Proc. of SICE Annual Conference 2010, pp.930-935 (2010.8)
T. Hiraoka, Y. Terakado, S. Matsumoto, S. Yamabe, Quantitative evaluation of eco-driving on fuel consumption based on driving simulator experiments, Proc. of 16th World Congress on Intelligent Transport Systems, CD-ROM (2009.9)
T. Hiraoka, H. Kusabe, H. Kumamoto, Experimental evaluation on effect of steering reactive torque of SBW vehicle on driving behavior, Proc. of ICROS-SICE International Joint Conference 2009, pp.4144-4150 (2009.8)
T. Hiraoka, K. Nakata, M. Tanaka, H. Kumamoto, Situation-adaptive warning timing of a forward obstacle collision warning system, Proc. of 15th World Congress on Intelligent Transport Systems, CD-ROM (2008.11)
T. Hiraoka, H. Kumamoto, Multimodal interface for active four-wheel steering vehicle, 8th International Conference on Advanced Vehicle Control (AVEC'08), pp.34-39 (2008.10)
S. Kitajima, Y. Marumo, T. Hiraoka, M. Itoh, Theoretical and empirical comparison about evaluation indices concerning driver's rear-end collision risk, 8th International Conference on Advanced Vehicle Control (AVEC'08), pp.602-607 (2008.10)
T. Hiraoka, S. Hioki, H. Kumamoto, Fundamental research on driver's haptic characteristics concerning steering reactive torque, SICE Annual Conference 2008, pp.882-889 (2008.8) DOI:10.1109/SICE.2008.4654779
K. Okabe, T. Hiraoka, H. Kumamoto, M. Kamata, Fundamental probabilistic analysis on effectiveness of safety-presentation type on safe driving support system, 9th International Probabilistic Safety Assessment and Management Conference, pp.18-23 (2008.5)
T. Hiraoka, M. Tanaka, O. Nishihara, H. Kumamoto, H. Saito, K. Hatanaka, Effective assessment of night vision enhancement system based on driving simulator experiments, Proc. of 14th World Congress on Intelligent Transport Systems, CD-ROM (2007.10)
O. Nishihara, T. Hiraoka, H. Kumamoto, Exact minimax optimizations of tire workload for independent steering vehicles, Proc. of FISITA World Automotive Congress, CD-ROM (2006.10)
H. Kumamoto, O. Nishihara, T. Hiraoka, Causes of traffic accidents as deviations from rational driver model, Proc. of 13th World Congress on Intelligent Transport Systems, CD-ROM (2006.10)
T. Hiraoka, O. Nishihara, H. Kumamoto, Steering reactive torque control for steer-by-wire vehicle, Proc. of 7th Int. Conf. Advanced Vehicle Control (AVEC'06), pp.239-244 (2006.8)
H. Kumamoto, K. Okabe, T. Hiraoka, O. Nishihara, Traffic accident human error quantification considering "yes-no" type and "unknown" type danger, Proc. of 12th World Congress on Intelligent Transport Systems, CD-ROM (2005.11)
T. Hiraoka, T. Kunimatsu, O. Nishihara, H. Kumamoto, Modeling of driver following behavior based on minimum-jerk theory, Proc. of 12th World Congress on Intelligent Transport Systems, CD-ROM (2005.11)
K. Okabe, H. Kumamoto, T. Hiraoka, O. Nishihara, Traffic accident factor analysis by quantitative perception-action model of drivers, Proc. of 11th World Congress on Intelligent Transport Systems, CD-ROM (2004.10)
T. Hiraoka, S. Eto, O. Nishihara, H. Kumamoto, Fault tolerant design for x-by-wire vehicle, Proc. of SICE Annual Conference, pp.1940--1945 (2004.8)
T. Hiraoka, I. Iritani, H. Kumamoto, A quantitative evaluation of the effect of map information on route choice criteria, Proc. of 10th World Congress on Intelligent Transport Systems, CD-ROM (2003.11)
K. Okabe, T. Hiraoka, H. Kumamoto. O. Nishihara, Perception-based driver model to assess safety devices for decrease of traffic accidents, Proc. of 10th World Congress on Intelligent Transport Systems, CD-ROM (2003.11)
T. Hiraoka, O. Nishihara, H. Kumamoto, Active four-wheel steering system for zero sideslip angle and lateral acceleration control, Proc. of 10th IFAC Symposium on Control in Transportation System, pp.403-408 (2003.8)
H. Kumamoto, K. Okabe, T. Hiraoka, O. Nishihara, Risk homeostasis analysis of safety systems for accident prevention at intersections without traffic lights, Proc. of 9th World Congress on Intelligent Transport Systems, CD-ROM (2002.10)
T. Hiraoka, I. Iritani, K. Okabe, H. Kumamoto, Route choice behavior model based on bounded rationality, Proc. of 9th World Congress on Intelligent Transport Systems, CD-ROM (2002.10)
K. Okabe, T. Hiraoka, O. Nishihara, H. Kumamoto, Human error uncertainty quantification for right turn traffic accidents based on risk homeostasis and 3 valued logic decomposition, Proc. of Asia Pacific Symposium on Safety (APSS), pp.155-158 (2001.11)
T. Hiraoka, H. Kumamoto, O. Nishihara, K. Tenmoku, Cooperative steering system based on vehicle sideslip angle estimation from side acceleration data at percussion centers, Proc. of IEEE International Vehicle Electronics Conference 2001 (IVEC2001), pp.79-84 (2001.9) DOI:10.1109/IVEC.2001.961730
T. Hiraoka, K. Okabe, H. Kumamoto, O. Nishihara, K.Tenmoku, Analysis of route choice behaviour based on questionnaire and 3D traffic flow simulator, Proc. of 5th Int. Conf. on Knowledge-Based Intelligent Information Engineering Systems and Allied Technologies (KES2001), pp.186-190 (2001.9)
H. Kumamoto, K. Okabe, T. Hiraoka, O. Nishihara, Probabilistic risk assessment of automobile collision accidents at a crossing without a traffic light, Proc. of International Scientific School of Modeling and Analysis of Safety, Risk and Quality in Complex Systems, pp.29-32 (2001.6)
K. Sato, T. Horiuchi, T. Hiraoka, H. Kawakami, O. Katai, Decision making process via constraint-oriented fuzzy logic based on chu space theory, Proc. of the 9th IEEE International Conference on Fuzzy Systems, Vo.1, pp.222-227 (2000.7) DOI:10.1109/FUZZY.2000.838662
K. Sato, T. Horiuchi, T. Hiraoka, H. Kawakami, O. Katai, Constraint-oriented fuzzy logic as interfacing media based on channel theory of information flow, Proc. of the 4th Asian Fuzzy Systems Symposium, Vol.2, pp.744-749 (2000.5)
K. Sato, T. Horiuchi, T. Hiraoka, H. Kawakami, O. Katai, Fuzzy logic as interfacing media for constraint propagation based on theories of chu space and information flow, Proc. of RSFDGrC'99, New Directions in Rough Sets, Data Mining, and Granular-Soft Computing, pp.314-323 (1999.11) DOI:10.1007/978-3-540-48061-7_38
O. Katai, T. Horiuchi, T. Hiraoka, H. Kawakami, K. Sato, Fuzzy logic-based system coordination by redundant symbolization and reduction of environmental complexities, Proc. of IEEE International Conference on Fuzzy Systems, pp.111-116 (1999.8) DOI:10.1109/FUZZY.1999.793216
T. Hosokawa, T. Hiraoka, T. Inoue, H. Fujiwara, Static and dynamic test sequence compaction methods for acyclic sequential circuits using a time expansion model, Proc. of Asian Test Symposium, pp.192-199 (1999.11) DOI:10.1109/ATS.1999.810750
T. Hosokawa, T. Hiraoka, M. Ohta, M. Muraoka, S. Kuninobu, A partial scan design method based on n-fold line-up structures, Proc. of Asian Test Symposium, pp.306-311 (1997.11) DOI: 10.1109/ATS.1997.643975
O. Katai, T. Horiuchi, T. Sawaragi, S. Iwai, T. Hiraoka, Chaotic behavior of fuzzy symbolic dynamics and its relation to constraint-oriented problem solving with hierarchical structures reflecting natural life, Proc. of 1995 IEEE International Conference on Fuzzy Systems, pp.1955-1962 (1995.3) DOI:10.1109/FUZZY.1995.409947