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In this page, only major papers are introduced. Please see [Publications] page for more information.

Research fields: Computer Vision

Photometric analysis of reflection, shading, shadow, and scattering.
Optical device for measuring BRDF and BSSRDF.
Biological imaging using infrared camera and illumination.
Optics for omni-directional views, light field, and HDR imaging.
Computational photography.
Projector-Camera system.

Information in outside page

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Speckle analysis
  • 3DV2014, Estimating depth of layered struture based on multispetral spekle correlation
Analysis of Structural Color
  • CPCV2013, BRDF Estimation of the Structural Color Object by Using Hyper Spectral Image
8-D BSSRDF Analysis
  • TCVA2013, Full-dimensional Sampling and Analysis of BSSRDF, [PDF]

4-D illumination light field
  • ACPR2013, Linear estimation of 4-D illumination light field from diffuse reflections [PDF]

Outdoor Photometric Stereo
  • TCVA2013, Refining Outdoor Photometric Stereo based on sky model [PDF]

Scattering Tomography
  • MVA2013, Scattering Tomography by Monte Carlo Voting [PDF]

Photometric Stereo with Multispectral Images
  • MVA2013, Enhanced Photometric Stereo with Multispectral Images [PDF]

Parallel High-frequency Illumination
  • ICCP2013, Descattering of Transmissive Observation using Parallel High-frequency Illumination [PDF]

Hollow Sphere for Position Estimation of Near Light Sources
  • ICPR2012, Position Estimation of Near Point Light Sources using Clear Hollow Sphere [PDF] [Poster]

8-D Reflectance Field Measurement
  • ICPR2012, 8-D Reflectance Field for Computational Photography [PDF]

Shape-from-Single Scattering
  • ECCV2012, Shape from Single Scattering for Translucent Objects [PDF] [Poster]

Wearable Surveillance
  • INSS2012, Gait-based Person Authentication by Wearable Cameras [PDF] [Slide]

Ringing Detector
  • TCVA2011, Ringing Detector for Deblurring based on Frequency Analysis of PSF [PDF]

Motion Sensor-based Gait Analysis
  • ICPR2012, Inertial-sensor-based Walking Action Recognition [PDF]

  • ICB2012, Performance Evaluation of Gait Recogniti on using the Largest Inertial Sensor-based Gait Database [PDF]

  • IJCB2011, Phase Registration in a Gallery Improving Gait Authentication [PDF]
Hemispherical Confocal Imaging using Turtleback Reflector
  • TCVA2011, Hemispherical Confocal Imaging [PDF]

  • ACCV2010, Hemispherical Confocal Imaging using Turtleback Reflector [PDF] [Slide]

  • Measuring device using the Turtleback Reflector [Movie (mpeg:5MB)]
Descattering Transmission via Angular Filtering
  • ECCV2010, Descattering Transmission via Angular Filtering [PDF]
Light Field Analysis in Scattering Media
  • TCVA2011, Analysis of Scattering Light Transport in Translucent Media [PDF]

  • CVPR2010, Analysis of Light Transport in Scattering Media [PDF] [Slide]
Adaptive-Scale Robust Estimator
  • IPSJ Trans. CVA2009, Highly Robust Estimator using a Case-dependent Residual Distribution Model [PDF]

  • ACCV2009, Adaptive-Scale Robust Estimator using Distribution Model Fitting [PDF]

  • ICRA2009, An Adaptive-Scale Robust Estimator for Motion Estimation [PDF]

Wearable Imaging System for Capturing Omnidirectional Movies
  • VRST2009, Wearable Imaging System for Capturing Omnidirectional Movies from a First-person Perspective [PDF]

BSSRDF Analysis based on Dipole Model
  • IPSJ Trans. CVA2009, Analysis of Subsurface Scattering based on Dipole Approximation [PDF]

  • ICPR2008, Analysis of Subsurface Scattering under Generic Illumination [PDF] [Slide]
Free-form Mirror Design
  • IPSJ Trans. CVA2009, Integrability-based Free-Form Mirror Design [PDF]

  • OMNIVIS2008, Free-Form Mirror Design Inspired by Photometric Stereo [PDF]

Wearable Compound Omnidirectional Sensor
  • OMNIVIS2008, Spatio-Temporal Lifelog Using a Wearable Compound Omnidirectional Sensor [PDF]
BRDF Measurement
  • Transaction of CVA2009, Rapid BRDF Measurement using an Ellipsoidal Mirror and a Projector
    [PDF]

  • ACCV2007, Multiplexed Illumination for Measuring BRDF using an Ellipsoidal Mirror and a Projector [PDF] [Slide]

  • ProCams2007, High-Speed Measurement of BRDF using an Ellipsoidal Mirror and a Projector [PDF]

  • BRDF Measuring system [Movie (mpeg:7MB)]
Silhouette-based Gait Recognition
  • ICPR2006, Adaptation to Walking Direction Changes for Gait Identification [PDF]

  • IEEE Computer Society Workshop on Biometrics 2006, Which Reference View is Effective for Gait Identification Using a View Transformation Model? [PDF]

  • ECCV2006, Gait Recognition using View Transformation Model in Frequency Domain [PDF]

Egomotion Estimation using a Compound Omnidirectional Sensor
  • IEICE2010, Real-time Estimation of Fast Egomotion with Feature Classification using Compound Omnidirectional Vision Sensor [PDF]

  • ICRA2008, Robust and Real-time Egomotion Estimation using a Compound Omnidirectional Sensor [PDF]

  • ICRA2007, Robust and Real-time Rotation Estimation of Compound Omnidirectional sensor [PDF]

  • Principle of near or far estimation [Movie (mpeg:10MB)]
High Dynamic Range Camera
  • Journal of Visual Communication and Image Representation, Adaptive dynamic range camera with reflective liquid crystal [PDF]

  • ICCV2007, High Dynamic Range Camera using Reflective Liquid Crystal [PDF]

HBP Mirror System
  • IROS2006, Evaluation of HBP mirror system for remote surveillancea [PDF]

Compensation of Inter-reflection for Pattern Projection
  • VRST2006, Analytical Compensation of Inter-reflection for Pattern Projection [PDF]

  • ProCams2006, A Fast Compensation Method of Inter-reflection for Pattern Projection onto a Non-planar Surface [PDF]

Space Relighter
3D Video of Live Soccer Games
  • MVA2005, Probabilistic Framework for Intelligent Filming by Switching Temporarily Locked Pan-Tilt Cameras [PDF]

  • MVA2005, Real-Time Transmission of 3D Video to Multiple Users via Network [PDF]

  • ICME2004, Free Viewpoint Browsing of Live Soccer Games [PDF]

Photometric Linearization
  • JOSA2007, Analysis of photometric factors based on photometric linearization [PDF]

  • ACCV2006, Classification of Photometric Factors Based on Photometric Linearization [PDF]

    Image data: [Pot] [Hidasuki] [POV-Ray]

Projecter-based Augumenter Reality
  • VSMM2004, Virtual Photometric Environment using Projector [PDF]

Image-based Rendering of Japanese Traditional Dance
  • 3DIM2005, Coordination of Appearance and Motion Data for Virtual View Generation of Traditional Dances [PDF]

  • MFI2003, Color Blending based on Viewpoint and Surface Normal for Generating Images from Any Viewpoint using Multiple Cameras [PDF]

Photometoric Image-based Rendering
  • ICCV2001, Photometric Image-Based Rendering for Image Generation in Arbitrary Illumination [PDF]

  • IWAR99, Photometric Image-Based Rendering for Virtual Lighting Image Synthesis [PDF]

Cooperative Distributed Vision
  • MVA2000, Cooperative Distributed Tracking for Effective Face Registration [PDF]

  • ACCV2000, Cooperative Distributed Registration for Face Recognition in Natural Environments [PDF]

Facial Pose and Expression
  • ACCV98, Face Synthesis with Arbitrary Pose and Expression from Several Images - An integration of Image-based and Model-based Approach - [PDF]

  • ISPRS98, Facial Animation from Several Images [PDF] [Movie (mpeg:34MB)]

Lip Motion Synthesis
  • FG98, Synthesis of Facial Images with Lip Motion from Several Real Views [PDF]
Analysis of Eye Shape
  • ICIP96, Description of eye figure with small parameters [PDF]