Skip to main content

previous disabled Page of 3
and
  1. No Access

    Chapter and Conference Paper

    Identifying faces under varying pose using a single example view

    Identifiying human faces with only a single face model per person is a difficult task, because the input face image may vary with position, expression and pose. This paper describes a flexible face identificat...

    Dadet Pramadihanto, Yoshio Iwai, Masahiko Yachida, Haiyuan Wu in Computer Vision — ACCV'98 (1997)

  2. No Access

    Chapter and Conference Paper

    Gesture recognition from image motion based on subspace method and HMM

    This paper proposes a method to recognize human gestures from an image sequence based on Hidden Markov Model and Karhunen-Lo`eve Transform. As our method uses the motion vector field of the scene for recogniti...

    Yoshio Iwai, Tadashi Rata, Masahiko Yachida in Computer Vision — ACCV'98 (1997)

  3. No Access

    Chapter and Conference Paper

    Wide-Range Tracking Hands in Real-Time

    We propose a method for wide-range tracking of hands in real-time by a vision sensor. By using random sampling and importance sampling, our method can track hands and estimate hand positions in real-time. We u...

    Yoshio Iwai, Tomohiro Mashita in Articulated Motion and Deformable Objects (2002)

  4. No Access

    Chapter and Conference Paper

    Gesture and Posture Estimation by Using Locally Linear Regression

    Many methods for measuring human motion have been proposed because they can be applied to various fields such as CG animation, virtual reality, and gesture recognition. This paper proposes a method for gesture...

    Yoshio Iwai, Keita Manjoh, Masahiko Yachida in Articulated Motion and Deformable Objects (2002)

  5. No Access

    Chapter and Conference Paper

    Face Recognition Based on Efficient Facial Scale Estimation

    Facial recognition technology needs to be robust for arbitrary facial appearances because a face changes according to facial expressions and facial poses. In this paper, we propose a method which automatically...

    Takatsugu Hirayama, Yoshio Iwai in Articulated Motion and Deformable Objects (2002)

  6. No Access

    Chapter and Conference Paper

    Face Recognition System Using Accurate and Rapid Estimation of Facial Position and Scale

    Face recognition technology needs to be robust for arbitrary facial appearances. In this paper, we propose a face recognition system that is efficient and robust for facial scale variations. In the process of ...

    Takatsugu Hirayama, Yoshio Iwai in Audio- and Video-Based Biometric Person Au… (2003)

  7. No Access

    Chapter and Conference Paper

    Video Synthesis with High Spatio-Temporal Resolution Using Motion Compensation and Image Fusion in Wavelet Domain

    This paper presents a novel algorithm for obtaining a high spatio-temporal resolution video from two video sequences. These sequences are high resolution with low frame rate and low resolution with high frame ...

    Kiyotaka Watanabe, Yoshio Iwai, Hajime Nagahara in Computer Vision – ACCV 2006 (2006)

  8. No Access

    Chapter and Conference Paper

    Video Synthesis with High Spatio-temporal Resolution Using Spectral Fusion

    We propose a novel strategy to obtain a high spatio-temporal resolution video. To this end, we introduce a dual sensor camera that can capture two video sequences with the same field of view simultaneously. Th...

    Kiyotaka Watanabe, Yoshio Iwai in Multimedia Content Representation, Classif… (2006)

  9. Chapter and Conference Paper

    A Framework for Suspicious Action Detection with Mixture Distributions of Action Primitives

    In this paper, we propose a generic framework for detecting suspicious actions with mixture distributions of action primitives, of which collection represents human actions. The framework is based on Bayesian ...

    Yoshio Iwai in Advances in Image and Video Technology (2009)

  10. No Access

    Chapter and Conference Paper

    Real-Time Object Detection with Adaptive Background Model and Margined Sign Correlation

    In recent years, the detection accuracy has significantly improved under various conditions using sophisticated methods. However, these methods require a great deal of computational cost, and have difficulty i...

    Ayaka Yamamoto, Yoshio Iwai in Computer Vision – ACCV 2009 (2010)

  11. No Access

    Chapter and Conference Paper

    Face Tracking and Recognition Considering the Camera’s Field of View

    We propose a method that tracks and recognizes faces simultaneously. In previous methods, features needed to be extracted twice for tracking and recognizing faces in image sequences because the features used f...

    Yuzuko Utsumi, Yoshio Iwai, Hiroshi Ishiguro in Human Behavior Understanding (2010)

  12. No Access

    Chapter and Conference Paper

    Table-Top Interface Using Fingernail Images and Real Object Recognition

    Many researchers have proposed the development of table-top interfaces in the last decade. In a table-top system, for user satisfaction, they must be able to operate digital and analog media seamlessly. In thi...

    Kenta Hara, Noriko Takemura, Yoshio Iwai, Kosuke Sato in Ambient Intelligence (2011)

  13. Chapter and Conference Paper

    An Air Conditioning Control Method Based on Biological Fluctuation

    A living environment should be comfortable for all residents. The thermal environment is one of the indices of comfort, but it is difficult to adopt a specific thermal environment suitable for all residents wh...

    Hiroki Matsumoto, Yoshio Iwai in Design, User Experience, and Usability. Th… (2011)

  14. Chapter and Conference Paper

    Extracting Interval Distribution of Human Interactions

    Recently, activity support systems that enable dialogue with humans have been intensively studied owing to the development of various sensors and recognition technologies. In order to enable a smooth dialogue ...

    Ryohei Kimura, Noriko Takemura, Yoshio Iwai in Advances in Image and Video Technology (2012)

  15. No Access

    Chapter and Conference Paper

    Automatic Detection of Unconscious Reactions to Illuminance Changes in Illumination

    In this study, we investigated expressive facial reactions in response to changes in the visual environment and their automatic extraction from sensors, in order to construct a comfortable level of illuminatio...

    Kensuke Kitamura, Noriko Takemura, Yoshio Iwai in Articulated Motion and Deformable Objects (2012)

  16. Article

    Open Access

    Evaluation of heterogeneity dose distributions for Stereotactic Radiotherapy (SRT): comparison of commercially available Monte Carlo dose calculation with other algorithms

    The purpose of this study was to compare dose distributions from three different algorithms with the x-ray Voxel Monte Carlo (XVMC) calculations, in actual computed tomography (CT) scans for use in stereotacti...

    Wataru Takahashi, Hideomi Yamashita, Naoya Saotome, Yoshio Iwai in Radiation Oncology (2012)

  17. No Access

    Article

    Diffusion coefficients of supercritical carbon dioxide and its mixtures using molecular dynamic simulations

    Molecular dynamic simulations have been evaluated for systems containing supercritical carbon dioxide to predict high-pressure diffusion coefficients of binary mixtures. Diffusion coefficients of high boiling ...

    Ji-Hyun Yoo, Alexander Breitholz, Yoshio Iwai in Korean Journal of Chemical Engineering (2012)

  18. Chapter and Conference Paper

    Tracking People with Active Cameras

    In this paper, we introduce a novel method on tracking multiple people using multiple active cameras. The aim is to capture as many targets as possible at any time using a limited number of active cameras.

    Alparslan Yildiz, Noriko Takemura in Human-Computer Interaction. Towards Intell… (2013)

  19. Chapter and Conference Paper

    Generation of Facial Expression Emphasized with Cartoon Techniques Using a Cellular-Phone-Type Teleoperated Robot with a Mobile Projector

    We propose a method for generating facial expressions emphasized with cartoon techniques using a cellular-phone-type teleoperated android with a mobile projector. Elfoid is designed to transmit the speaker’s p...

    Yu Tsuruda, Maiya Hori, Hiroki Yoshimura in Human-Computer Interaction. Towards Intell… (2013)

  20. No Access

    Chapter and Conference Paper

    Generation of Facial Expression for Communication Using Elfoid with Projector

    We propose a method for generating facial expressions with a mobile projector built into a cellphone-type tele-operated android, called Elfoid. Elfoid is designed to transmit the presence of a speaker to a com...

    Maiya Hori, Hideki Takakura in Multimodal Pattern Recognition of Social S… (2013)

previous disabled Page of 3