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Browsing 情報科学研究科 / Graduate School of Information Science by Submit Date

Browsing 情報科学研究科 / Graduate School of Information Science by Submit Date

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  • Analysis of Depth Restoration via Regularization in Curvelet Domain 
    Qirui, Zhang; 武富, 貴史; Alexander, Plopski; Christian, Sandor; 加藤 博一 (2017-07-02)
  • Shape Disparity Inspection of The Textured Object and Its Notification by Overlay Projection 
    Toshiyuki Amano,Hirokazu Kato (Springer, 2009-07)
    In this paper we describe about use of the projector camera feedback system for shape disparity check of the textured object. Using the negative feedback in the proposed system, we realized real time shape disparity ...
  • Visualization of Geometric Properties of Flexible Objects for Form Designing 
    Goshiro Yamamoto, Ichiroh Kanaya,Keiko Yamamoto, Yuki Uranishi,Hirokazu Kato (IEEE, 2011-10)
    Computer-aided design (CAD) system conventionally have been widely used to support designers for creating, modifying, adding something to or removing something from objects by showing simulated objects on computer screen. ...
  • Relationship between Features of Augmented Reality and User Memorization 
    Yuichiro Fujimoto,Goshiro Yamamoto,Takafumi Taketomi,Jun Miyazaki,Hirokazu Kato (IEEE, 2012-11)
    The objective of this study is to investigate the relationship between the features of augmented reality (AR) and human memorization ability. The basis of this relation is derived from the following features. The AR feature ...
  • Zoom Factor Compensation for Monocular SLAM 
    Takafumi Taketomi,Janne Heikkila (IEEE, 2015-3)
    SLAM algorithms are widely used in augmented reality applications for registering virtual objects. Most SLAM algorithms estimate camera poses and 3D positions of feature points using known intrinsic camera parameters that ...
  • A Fast Simulation Method Using SPH and Wavelet for Turbulent Flow 
    Makoto Fujisawa,Hirokazu Kato
    This paper presents a fast simulation method for turbulent flow which uses a particle method and wavelet analysis. To simulate fluid flow, the method uses smoothed particle hydrodynamics (SPH), which discretizes the fluid ...
  • Support of Temporal Change Observation Using Augmented Reality for Learning 
    Takafumi Taketomi,Angie Chen,Goshiro Yamamoto,Hirokazu Kato (Springer, 2014-06)
    An augmented reality (AR) technology enables to show an additional information by superimposing virtual objects onto the real world. The AR technology is gradually used in the learning environment for observing unseeable ...
  • Local quadrics surface approximation for real-time tracking of textureless 3D rigid curved objects 
    Marina Atsumi Oikawa,Takafumi Taketomi,Goshiro Yamamoto,Makoto Fujisawa,Toshiyuki Amano,Jun Miyazaki,Hirokazu Kato (IEEE, 2012-5)
    This paper addresses the problem of tracking textureless rigid curved objects. A common approach uses polygonal meshes to represent curved objects and use them inside an edge-based tracking system. However, in order to ...
  • Interactive Fluid Simulation Using Augmented Reality Interface 
    Makoto Fujisawa,Hirokazu Kato (Springer, 2009-7)
    This paper presents an interactive fluid simulation system using augmented reality interface. The presented system uses Smoothed Particle Hydrodynamics to simulate the behavior of liquid and adopts a particle-particle ...
  • Geometrically-correct projection-based texture mapping onto a cloth 
    Yuichiro Fujimoto,Jun Miyazaki,Takafumi Taketomi,Hirokazu Kato,Bruce H. Thomas,Goshiro Yamamoto,Ross T. Smith (IEEE, 2014-3)
    We demonstrate the geometrically-correct projection-based texture mapping onto a deformable object like a cloth. This system can be used to simulate design that involves change in shape, such as sheets of malleable material. ...
  • Real World Dynamic Appearance Enhancement with Procam Feedback 
    Toshiyuki Amano,Hirokazu Kato (ACM, 2008-8)
    In this paper, a dynamic appearance enhancement method for the less saturated object is proposed. The appearance enhancement method proposed in this paper is realized with a projector camera dynamic feed back system. ...
  • Geometric Registration for Zoomable Camera Using Epipolar Constraint and Pre-calibrated Intrinsic Camera Parameter Change 
    Takafumi Taketomi,Kazuya Okada,Goshiro Yamamoto,Jun Miyazaki,Hirokazu Kato (IEEE, 2013-10)
    In general, video see-through based augmented reality (AR) cannot change the magnification of camera zooming parameter due to the difficulty of dealing with changes in intrinsic camera parameters. To realize the usage of ...
  • Relation between Location of Information Displayed by Augmented Reality and User's Memorization 
    Yuichiro Fujimoto,Goshiro Yamamoto,Hirokazu Kato,Jun Miyazaki (ACM, 2012-3)
    This study aims to investigate the effectiveness of Augmented Reality (AR) on user's memory skills when it is used as an information display method. By definition, AR is a technology which displays virtual images on the ...
  • Appearance Control by Projector Camera Feedback for Visually Impaired 
    Toshiyuki Amano,Hirokazu Kato (IEEE, 2010-06)
    Visual impairment is a common problem for people worldwide. The projector-based AR technique has the ability to change the appearance of real objects, and it can help to improve visibility for the visually impaired. We ...
  • Appearance Control using Projection with Model Predictive Control 
    Toshiyuki Amano,Hirokazu Kato (IEEE, 2010-08)
    The unified technique for the irradiance correction and appearance enhancement for the real scene is proposed in this paper. The proposed method employed MPC algorithm for the projector camera system and enabled arbitrary ...
  • FOCAL LENGTH CHANGE COMPENSATION FOR MONOCULAR SLAM 
    Takafumi Taketomi,Janne Heikkila (IEEE, 2015-09)
    In this paper, we propose a method for handling focal length changes in the SLAM algorithm. Our method is designed as a pre-processing step to first estimate the change of the camera focal length, and then compensate for ...
  • Appearance Enhancement Using a Projector-Camera Feedback System 
    Toshiyuki Amano,Hirokazu Kato (IEEE, 2008-12)
    To search the contents through WWW in consideration of user's circumstance condition, search engines should make use of some information such as current time, user's location, user's schedule and so on. We propose an ...
  • Augmented Prototyping of 3D Rigid Curved Surfaces 
    Marina Atsumi Oikawa,Igor de Souza Almeida,Takafumi Taketomi,Goshiro Yamamoto,Jun Miyazaki,Hirokazu Kato (IEEE, 2012-11)
    This paper presents an application of Augmented Reality (AR) in Rapid Prototyping (RP) of non-textured rigid curved surfaces. By enhancing the prototypes with AR, evaluation of its design and aesthetic concepts in real-time ...
  • A Laser Projection-based Tele-guidance System Embedded on a Mobility Aid 
    Goshiro Yamamoto,Angie Chen,Petri Pulli,Jaakko Hyry,Muhammad Zeeshan Asghar,Yuki Uranishi,Hirokazu Kato (IEEE, 2013-03)
    This paper presents a tele-guidance system for elderly people so that they can walk outdoors without an escort and their caregivers can monitor them or guide them from remote site when they are in a need of help. The feature ...
  • A Recommendation Method Considering User'sTime Series Contexts 
    Kenta Oku,Shinsuke Nakajima,Jun Miyazaki,Shunsuke Uemura,Hirokazu Kato (ACM, 2009-01)
    This paper proposes a recommendation method considering users' time series contexts which are situations that have occurred / will occur in the past/future. There are some recommendation methods that provide information ...

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