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Research Output 2002 2019

  • 187 Citations
  • 7 h-Index
  • 23 Conference contribution
  • 13 Article
  • 2 Chapter
2019
1 Citation (Scopus)

Prediction of Physical Activity Intensity with Accelerometry in Young Children

Tanaka, C., Hikihara, Y., Ando, T., Oshima, Y., Usui, C., Ohgi, Y., Kaneda, K. & Tanaka, S., 2019 Mar 15, In : International journal of environmental research and public health. 16, 6

Research output: Contribution to journalArticle

Open Access
Accelerometry
Exercise
Linear Models
Indirect Calorimetry
Energy Metabolism
2017
4 Citations (Scopus)

Assessing motion style errors in Ski jumping using inertial sensor devices

Brock, H. & Ohgi, Y., 2017 Jun 15, In : IEEE Sensors Journal. 17, 12, p. 3794-3804 11 p., 7913696.

Research output: Contribution to journalArticle

skis
sensors
Sensors
sensorimotor performance
Ski jumps
4 Citations (Scopus)
Ski jumps
Kinematics
Magnetic fields
Sensors
Processing
2 Citations (Scopus)

Learning to judge like a human: Convolutional networks for classification of ski jumping errors

Brock, H., Ohgi, Y. & Lee, J., 2017 Sep 11, ISWC 2017 - Proceedings of the 2017 ACM International Symposium on Wearable Computers. Association for Computing Machinery, Vol. Part F130534. p. 106-113 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ski jumps
Sensors
Hidden Markov models
Sports
Support vector machines
2016
1 Citation (Scopus)

An intelligent system for motor style assessment and training from inertial sensor data in intermediate level Ski jumping

Brock, H. & Ohgi, Y., 2016, icSPORTS 2016 - Proceedings of the 4th International Congress on Sport Sciences Research and Technology Support. SciTePress, p. 101-108 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Intelligent systems
Feedback
Ski jumps
Sensors
Kinematics
Sports Medicine
Energy Metabolism
Walking
Water
Ficus

Design optimization of the landing slope of a ski jumping hill

Seo, K., Nihei, Y., Shimano, T. & Ohgi, Y., 2016, Sports Science Research and Technology Support - 3rd International Congress, icSPORTS 2015, Revised Selected Papers. Springer Verlag, Vol. 632. p. 57-70 14 p. (Communications in Computer and Information Science; vol. 632).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Landing
Design optimization
Takeoff
Costs
3 Citations (Scopus)

Development of an Automated Motion Evaluation System from Wearable Sensor Devices for Ski Jumping

Brock, H., Ohgi, Y. & Seo, K., 2016, In : Unknown Journal. 147, p. 694-699 6 p.

Research output: Contribution to journalArticle

Ski jumps
Jump
Databases
Equipment and Supplies
Sensor

Towards better measurability - IMU-based feature extractors for motion performance evaluation

Brock, H. & Ohgi, Y., 2016, Advances in Intelligent Systems and Computing. Springer Verlag, Vol. 392. p. 109-116 8 p. (Advances in Intelligent Systems and Computing; vol. 392).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sports
Sensors
Units of measurement
Angular velocity
Kinematics
2015
2 Citations (Scopus)

Optimization of flight distance and robustness in the discus

Seo, K., Shimoyama, K., Ohta, K., Ohgi, Y. & Kimura, Y., 2015, In : Sports Engineering. 18, 1, p. 55-65 11 p.

Research output: Contribution to journalArticle

Equipment Design
Planforms
Drag
Robustness
Optimization

Optimizing the design of the landing slope of the Zao jumping hill

Seo, K., Nihei, Y., Shimano, T., Watanabe, R. & Ohgi, Y., 2015, icSPORTS 2015 - Proceedings of the 3rd International Congress on Sport Sciences Research and Technology Support. SciTePress, p. 208-213 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Safety
Fees and Charges
2014

A Community-Based Health Promotion Program Utilizing Web2.0

Miyagawa, S., Oguma, Y., Ohgi, Y., Sato, A. & Ohsawa, S., 2014, Studies in Health Technology and Informatics. IOS Press, Vol. 205. p. 1201 1 p. (Studies in Health Technology and Informatics; vol. 205).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Diet Records
Health Promotion
Health
2 Citations (Scopus)

Dealing with stiffness: Shaft dynamics in the golf swing

Ohta, K., Ohgi, Y. & Shibuya, K., 2014, Procedia Engineering. Elsevier Ltd, Vol. 72. p. 298-303 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Stiffness
Bending moments
Equations of motion
Differential equations
Torque
2 Citations (Scopus)

High-speed video image analysis of ski jumping flight posture

Murakami, M., Iwase, M., Seo, K., Ohgi, Y. & Koyanagi, R., 2014, In : Sports Engineering. 17, 4, p. 217-225 9 p.

Research output: Contribution to journalArticle

Video Analysis
Angle of attack
Posture
Image Analysis
Image analysis
3 Citations (Scopus)

Optimization of the size and launch conditions of a discus

Seo, K., Shimoyama, K., Ohta, K., Ohgi, Y. & Kimura, Y., 2014, Procedia Engineering. Elsevier Ltd, Vol. 72. p. 756-761 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computational fluid dynamics
Angle of attack
Aerodynamics
Air
Metals

Sensing technology for the sports performance

Ohgi, Y., 2014 Aug 1, In : Journal of the Institute of Electronics, Information and Communication Engineers. 97, 8, p. 707-711 5 p.

Research output: Contribution to journalArticle

Sports
6 Citations (Scopus)

Sensor data mining on the kinematical characteristics of the competitive swimming

Ohgi, Y., Kaneda, K. & Takakura, A., 2014, Procedia Engineering. Elsevier Ltd, Vol. 72. p. 829-834 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Data mining
Sensors
Decision trees
Accelerometers
Swimming

The development of an estimation model for energy expenditure during water walking by acceleration and walking speed

Kaneda, K., Ohgi, Y., Tanaka, C. & Burkett, B., 2014 Jan, In : Journal of Science and Medicine in Sport. 17, 1, p. 96-101 6 p.

Research output: Contribution to journalArticle

Energy Metabolism
Walking
Water
Basal Metabolism
Occipital Lobe
2013

Aerodynamic hysteresis of a discus

Seo, K., Ohta, K., Ohgi, Y. & Kimura, Y., 2013, Procedia Engineering. Vol. 60. p. 294-299 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Angle of attack
Hysteresis
Aerodynamics
Wind tunnels
Recovery
2012

A computer simulation of the flying disc based on the wind tunnel test data

Koyanagi, R., Seo, K., Ohta, K. & Ohgi, Y., 2012, Procedia Engineering. Elsevier Ltd, Vol. 34. p. 80-85 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wind tunnels
Flight dynamics
Computer simulation
Sports
Air
7 Citations (Scopus)

Aerodynamic behavior of a discus

Seo, K., Shimoyama, K., Ohta, K., Ohgi, Y. & Kimura, Y., 2012, Procedia Engineering. Elsevier Ltd, Vol. 34. p. 92-97 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aerodynamics
Angle of attack
Vortex flow
Flight paths
Flow separation

Mechanical energy transfer by internal force during the swing phase of running

Yamazaki, N., Ohta, K. & Ohgi, Y., 2012, Procedia Engineering. Elsevier Ltd, Vol. 34. p. 772-777 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Energy transfer
Pendulums
Gravitation
4 Citations (Scopus)

Monitoring sprinting gait temporal kinematics of an athlete aiming for the 2012 London paralympics

Lee, J. B., James, D. A., Ohgi, Y. & Yamanaka, S., 2012, Procedia Engineering. Elsevier Ltd, Vol. 34. p. 778-783 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Prosthetics
Kinematics
Monitoring
Artificial limbs
Gyroscopes
4 Citations (Scopus)

Optimization of the moment of inertia and the release conditions of a discus

Seo, K., Shimoyama, K., Ohta, K., Ohgi, Y. & Kimura, Y., 2012, Procedia Engineering. Elsevier Ltd, Vol. 34. p. 170-175 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Self organizing maps
Angle of attack
Genetic algorithms
14 Citations (Scopus)

Sensor fusion: Let's enhance the performance of performance enhancement

Lee, J. B., Ohgi, Y. & James, D. A., 2012, Procedia Engineering. Elsevier Ltd, Vol. 34. p. 795-800 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kinematics
Fusion reactions
Sensors
Video cameras
Feedback
2011
10 Citations (Scopus)

Quantifying and assessing biomechanical differences in swim turn using wearable sensors

Lee, J., Leadbetter, R., Ohgi, Y., Thiel, D., Burkett, B. & James, D. A., 2011, In : Sports Technology. 4, 3-4, p. 128-133 6 p.

Research output: Contribution to journalArticle

Sensors
elite
video
performance
Demonstrations
2010
3 Citations (Scopus)

Measurement of kinematics of a flying disc using an accelerometer

Koyanagi, R. & Ohgi, Y., 2010 Jun, Procedia Engineering. 2 ed. Vol. 2. p. 3411-3416 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High speed cameras
Video cameras
Accelerometers
Kinematics
Angular velocity
6 Citations (Scopus)

Ski jumping flight skill analysis based on high-speed video image

Murakamia, M., Iwase, M., Seo, K., Ohgi, Y. & Koyanagi, R., 2010 Jun, Procedia Engineering. 2 ed. Vol. 2. p. 2381-2386 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aerodynamics
Stadiums
High speed cameras
Video cameras
Angle of attack
2009

A community-based health promotion program with online off-line combination

Miyagawa, S., Ohgi, Y., Oguma, Y., Yamashita, T., Ohsawa, S. & Sato, Y., 2009, Proceedings of the IADIS International Conference e-Health 2009, Part of the IADIS Multi Conference on Computer Science and Information Systems, MCCSIS 2009. p. 185-189 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Health Promotion
Blogging
Health
Social Networking
Cooking
4 Citations (Scopus)

Quantitative assessment of physical activity using inertial sensors

James, D. A., Busch, A. & Ohgi, Y., 2009, Digital Sport for Performance Enhancement and Competitive Evolution: Intelligent Gaming Technologies. IGI Global, p. 122-135 14 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Monitoring
Sensors
Microelectronics
Testing
2008
3 Citations (Scopus)

Aerodynamic forces computation from high-speed video image of Ski jumping flight

Murakami, M., Hirai, N., Seo, K. & Ohgi, Y., 2008, Impact of Technology on Sport II. p. 857-861 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Japan
Research
17 Citations (Scopus)

A low cost self contained platform for human motion analysis

Davey, N., Wixted, A., Ohgi, Y. & James, D. A., 2008, Impact of Technology on Sport II. p. 101-111 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Costs and Cost Analysis
Microcomputers
Communication

Effect of buoyant material attached to swimsuit on swimming

Nakashima, M., Motegi, Y., Ito, S. & Ohgi, Y., 2008, Impact of Technology on Sport II. p. 561-567 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)

Modelling swimmers' speeds over the course of a race

Shimadzu, H., Shibata, R. & Ohgi, Y., 2008, In : Journal of Biomechanics. 41, 3, p. 549-555 7 p.

Research output: Contribution to journalArticle

Stochastic models
Propulsion
Drag
Swimming
2006
4 Citations (Scopus)

Measurement of Jumper's body motion in ski jumping

Ohgi, Y., Seo, K., Hirai, N. & Murakami, M., 2006, tThe Engineering of Sport 6. Springer New York, Vol. 1. p. 275-280 6 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

High speed cameras
Gyroscopes
Sensors
Takeoff
Accelerometers
2002
42 Citations (Scopus)

Microcomputer-based Acceleration Sensor Device for Sports Biomechanics - Stroke Evaluation by using Swimmer's Wrist Acceleration

Ohgi, Y., 2002, Proceedings of IEEE Sensors. 1 ed. Vol. 1. p. 699-704 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sports medicine
Microcomputers
Sensors
Angular velocity
Fatigue of materials
29 Citations (Scopus)

Microcomputer-based acceleration sensor device for swimming stroke monitoring

Ohgi, Y., Ichikawa, H. & Miyaji, C., 2002 Dec, In : JSME International Journal, Series C: Mechanical Systems, Machine Elements and Manufacturing. 45, 4, p. 960-966 7 p.

Research output: Contribution to journalArticle

Microcomputers
Monitoring
Sensors
Swimming
Fatigue of materials