All Stories

  1. HoverCanvas: Aerial Display Based on a Flying Screen and 100 m Long Range Dynamic Projection

    Article • December 2025, ACM (Association for Computing Machinery)

    Hiromasa Oku

  2. Milliseconds photon-to-photon latency projection system for adaptive optogenetics applications

    Article • Optics Express, May 2025, Optical Society of America (OSA)

    Hiromasa Oku

  3. Edible light pipes made of candy for glowing cuisine

    Article • Discover Food, February 2025, Springer Science + Business Media

    Hiromasa Oku

  4. Aerial Display Method Using a Flying Screen and Long Range Dynamic Projection Mapping

    Article • IEEE Access, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  5. Random access vision: an imaging method to observe arbitrary and multiple gaze directions in frame-by-frame manner

    Article • Optics Express, May 2024, Optical Society of America (OSA)

    Hiromasa Oku

  6. Recent developments in agar-based optical devices

    Article • February 2024, Research Square

    Hiromasa Oku

  7. American Sign Language Recognition and Translation Using Perception Neuron Wearable Inertial Motion Capture System

    Article • Sensors, January 2024, MDPI AG

    Hiromasa Oku

  8. Aerial Display Method Using a Flying Screen with an IR Marker and Long Range Dynamic Projection Mapping

    Article • November 2023, ACM (Association for Computing Machinery)

    Hiromasa Oku

  9. Agar-based optical sensors for electric current measurements

    Article • Scientific Reports, August 2023, Springer Science + Business Media

    Hiromasa Oku

  10. Edible Light Pipe Made of Candy

    Article • March 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  11. Proposal for an aerial display using dynamic projection mapping on a distant flying screen

    Article • March 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  12. Proposal for a Distraction Technique Using Two-Screen Projection for Stress Relief in Children With Medical Complexity

    Article • IEEE Access, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  13. Edible Retroreflector Made of Candy

    Article • IEEE Access, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  14. Wide Angular Range Dynamic Projection Mapping Method Applied to the Projection on a Flying Drone.

    Article • August 2021, ACM (Association for Computing Machinery)

    Hiromasa Oku

  15. Wide angular range dynamic projection mapping method applied to drone-based avatar robot

    Article • Advanced Robotics, May 2021, Taylor & Francis

    Hiromasa Oku

  16. 1000-volume/s high-speed volumetric display for high-speed HMD

    Article • Optics Express, September 2020, Optical Society of America (OSA)

    Hiromasa Oku

  17. Simulfocus imaging: quasi-simultaneous multi-focus imaging using Lock-in Pixel imager and TAG lens

    Article • August 2020, ACM (Association for Computing Machinery)

    Hiromasa Oku

  18. Quasi-simultaneous multi-focus imaging using a lock-in pixel image sensor and TAG lens

    Article • Optics Express, June 2020, Optical Society of America (OSA)

    Hiromasa Oku

  19. Agarose-based structured optical fibre

    Article • Scientific Reports, April 2020, Springer Science + Business Media

    Hiromasa Oku

  20. High Speed Three Dimensional Tracking of Swimming Cell by Synchronous Modulation Between TeCE Camera and TAG Lens

    Article • IEEE Robotics and Automation Letters, April 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  21. High-Speed Visual Feedback Control of Miniature Rotating Mirror System Using a Micro Ultrasonic Motor

    Article • IEEE Access, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  22. Edible lens made of agar

    Article • Optical Review, November 2019, Springer Science + Business Media

    Hiromasa Oku

  23. Fast Volumetric Feedback under Microscope by Temporally Coded Exposure Camera

    Article • Sensors, April 2019, MDPI AG

    Hiromasa Oku

  24. Edible projection mapping

    Article • December 2018, ACM (Association for Computing Machinery)

    Hiromasa Oku

  25. Edible fiducial marker made of edible retroreflector

    Article • Computers & Graphics, December 2018, Elsevier

    Hiromasa Oku

  26. 1-ms Three-Dimensional Feedback Microscope With 69-kHz Synchronous Modulation of Focal Position and Illumination

    Article • IEEE Robotics and Automation Letters, July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  27. Paraxial ray solution for liquid-filled variable focus lenses

    Article • Japanese Journal of Applied Physics, November 2017, Institute of Physics Publishing

    Hiromasa Oku

  28. Edible retroreflector

    Article • November 2017, ACM (Association for Computing Machinery)

    Hiromasa Oku

  29. Automatic omni-directional, high-speed, pan-tilt platform

    Article • SPIE Newsroom, February 2017, SPIE

    Hiromasa Oku

  30. Dynamic Projection Mapping Using Structured Light Field and Laser Projector

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2017, Japan Society of Mechanical Engineers

    Hiromasa Oku

  31. High speed eye tracking algorithm for 1 ms auto pan tilt

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2017, Japan Society of Mechanical Engineers

    Hiromasa Oku

  32. High-speed Vision and Scientific Measurement

    Article • Journal of the Robotics Society of Japan, January 2017, The Robotics Society of Japan

    Hiromasa Oku

  33. Lumipen 2: Dynamic Projection Mapping with Mirror-Based Robust High-Speed Tracking against Illumination Changes

    Article • PRESENCE Virtual and Augmented Reality, December 2016, The MIT Press

    Tomohiro Sueishi, Hiromasa Oku

  34. Structured Light Field Generated by Two Projectors for High-Speed Three Dimensional Measurement

    Article • Journal of Robotics and Mechatronics, August 2016, Fuji Technology Press Ltd.

    Hiromasa Oku

  35. Design Principles of a High-Speed Omni-Scannable Gaze Controller

    Article • IEEE Robotics and Automation Letters, July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  36. Saccade Mirror 3: High-speed gaze controller with ultra wide gaze control range using triple rotational mirrors

    Article • May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  37. Dynamic Information Space Based on High-Speed Sensor Technology

    Article • January 2016, Springer Science + Business Media

    Hiromasa Oku

  38. High-Speed Real-Time Depth Estimation by Projecting Structured Light Field

    Article • Journal of the Robotics Society of Japan, January 2016, The Robotics Society of Japan

    Hiromasa Oku

  39. Mirror-based high-speed gaze controller calibration with optics and illumination control

    Article • September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  40. 1 ms Auto Pan-Tilt – video shooting technology for objects in motion based on Saccade Mirror with background subtraction

    Article • Advanced Robotics, April 2015, Taylor & Francis

    Hiromasa Oku

  41. Robust high-speed tracking against illumination changes for dynamic projection mapping

    Article • March 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  42. Architectures and applications of high-speed vision

    Article • Optical Review, November 2014, Springer Science + Business Media

    Hiromasa Oku

  43. An adaptive achromatic doublet design by double variable focus lenses

    Article • September 2014, SPIE

    Hiromasa Oku

  44. A pair of diopter-adjustable eyeglasses for presbyopia correction

    Article • September 2014, SPIE

    Hiromasa Oku

  45. An improved low-optical-power variable focus lens with a large aperture

    Article • Optics Express, August 2014, Optical Society of America (OSA)

    Hiromasa Oku

  46. High-Speed Vision and its Application Systems

    Article • Journal of Robotics and Mechatronics, June 2014, Fuji Technology Press Ltd.

    Hiromasa Oku

  47. High-speed Visual Tracking using High-speed Optical Gaze Control Unit

    Article • Journal of the Robotics Society of Japan, January 2014, The Robotics Society of Japan

    Hiromasa Oku

  48. Acitve projection ar using high-speed optical axis control and appearance estimation algorithm

    Article • July 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  49. Variable-focus lens

    Article • Applied Physics Letters, April 2013, American Institute of Physics

    Lihui Wang, Hiromasa Oku

  50. Development of variable-focus lens with liquid-membrane-liquid structure and 30 mm optical aperture

    Article • March 2013, SPIE

    Hiromasa Oku

  51. 2A1-J04 Roboptic Vision - New vision system based on frame-by-frame control of optics(Robot Vision (1))

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2013, Japan Society of Mechanical Engineers

    Hiromasa Oku

  52. 3-3 Principle and Characteristics of a Microorganism Tracking Microscope

    Article • The Journal of The Institute of Image Information and Television Engineers, January 2013, Institute of Image Information and Television Engineers

    Hiromasa Oku

  53. A Weak Power Enhanced Liquid-Membrane-Liquid Lens by a Pretension Elastic Membrane

    Article • January 2013, Optical Society of America (OSA)

    Hiromasa Oku

  54. Three-Dimensional Tracking of Chlamydomonas in Dark Field Microscopy

    Article • Journal of the Robotics Society of Japan, January 2013, The Robotics Society of Japan

    Hiromasa Oku

  55. Arbitrarily focused video using high-speed liquid lens

    Article • November 2012, ACM (Association for Computing Machinery)

    Hiromasa Oku

  56. Lumipen: Projection-Based Mixed Reality for Dynamic Objects

    Article • July 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  57. 1A1-A11 High-speed Stereo Vision System Using Two Gaze Controllers by Rotational Mirrors(3D Measurement/Sensor Fusion(1))

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2012, Japan Society of Mechanical Engineers

    Hiromasa Oku

  58. 2P1-K02 Preliminary evaluation of high-speed zoom using liquid lenses(Robot Vision(2))

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2012, Japan Society of Mechanical Engineers

    Hiromasa Oku

  59. A Liquid Lens with Liquid-Membrane-Liquid Structure

    Article • January 2012, Optical Society of America (OSA)

    Hiromasa Oku

  60. High-speed gaze controller for millisecond-order pan/tilt camera

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  61. 2A1-L10 Visual Measurement of A High-speed Flying Object using Saccade Mirror and Image Processing(Robot Vision)

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2011, Japan Society of Mechanical Engineers

    Hiromasa Oku

  62. 3-3. Imaging Systems Using High Speed Image Processing and Their Applications

    Article • The Journal of The Institute of Image Information and Television Engineers, January 2011, Institute of Image Information and Television Engineers

    Hiromasa Oku

  63. High-Speed Focusing Vision: Coupling of Image Processing System with Tunable Optics without Speed Bottleneck

    Article • Journal of the Robotics Society of Japan, January 2011, The Robotics Society of Japan

    Hiromasa Oku

  64. Optical Gaze Control System to Realize More High-speed Active Vision

    Article • Journal of the Robotics Society of Japan, January 2011, The Robotics Society of Japan

    Hiromasa Oku

  65. High-speed liquid lens for computer vision

    Article • May 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  66. 1P1-F05 Active Hand Tremor Control for Micromanipulation Assistance

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2009, Japan Society of Mechanical Engineers

    Hiromasa Oku

  67. A rapidly deformable liquid lens

    Article • SPIE Newsroom, January 2009, SPIE

    Hiromasa Oku

  68. Microorganism Tracking Microscope Using High-Speed Vision System

    Article • Seibutsu Butsuri, January 2009, Biophysical Society of Japan

    Hiromasa Oku

  69. How to track spermatozoa using high-speed visual feedback

    Article • August 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  70. A new framework for microrobotic control of motile cells based on high-speed tracking and focusing

    Article • May 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  71. Mobile microscope: a new concept for hand-held microscopes with image stabilization

    Article • May 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  72. Trajectory Planning of Motile Cell for Microrobotic Applications

    Article • Journal of Robotics and Mechatronics, April 2007, Fuji Technology Press Ltd.

    Hiromasa Oku

  73. 2A2-O05 Tracking of Ascidian Spermatozoa using High-speed Visual Feedback

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2007, Japan Society of Mechanical Engineers

    Hiromasa Oku

  74. 2A2-O06 Observation of Microorganism Galvanotaxis using High-speed Three-dimensional Tracking System

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2007, Japan Society of Mechanical Engineers

    Hiromasa Oku

  75. Rapid Liquid Variable-Focus Lens with 2-ms Response

    Article • October 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  76. High-speed autofocusing of a cell using diffraction patterns

    Article • Optics Express, March 2006, Optical Society of America (OSA)

    Hiromasa Oku

  77. 1A1-C28 High-speed Autofocus on cell group using diffraction pattern

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2006, Japan Society of Mechanical Engineers

    Hiromasa Oku

  78. 2P1-A26 Trajectory Planning of Motile Cell for Microrobotic Application

    Article • The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec), January 2006, Japan Society of Mechanical Engineers

    Hiromasa Oku

  79. Visual Feedback Control for a Cluster of Microorganisms

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  80. Visualization and Estimation of Contact Stimuli using Living Microorganisms

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Hiromasa Oku

  81. A microscopic visual feedback system

    Article • Systems and Computers in Japan, January 2004, Wiley

    Hiromasa Oku

  82. Variable-focus lens with 1-kHz bandwidth

    Article • Optics Express, January 2004, Optical Society of America (OSA)

    Hiromasa Oku

  83. Dynamics Modeling and Real-time Observation of Galvanotaxis in Paramecium caudatum

    Article • Springer Science + Business Media

    Hiromasa Oku