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  1. No Access

    Chapter and Conference Paper

    Comparison of Simplified SE-ResNet and SE-DenseNet for Micro-Expression Classification

    Micro-expressions are rapid and subtle facial movements that can reflect the most real emotional state hidden in the human heart. Classifying different micro-expressions is still challenging because of their s...

    **angbo Chen, Masashi Nishiyama, Yoshio Iwai in Image and Video Technology (2024)

  2. No Access

    Chapter and Conference Paper

    Heatmap Overlay Using Neutral Body Model for Visualizing the Measured Gaze Distributions of Observers

    We propose a method for visualizing where an observer’s gaze focuses on a subject in a still image using a neutral human body model. Generally, two-dimensional (2D) heatmaps are superimposed on still images to...

    Michiko Inoue, Fuyuko Iwasaki, Masashi Nishiyama, Yoshio Iwai in Pattern Recognition (2023)

  3. No Access

    Chapter and Conference Paper

    Pixel-Wise Detection of Road Obstacles on Drivable Areas by Introducing Maximized Entropy to Synboost Framework

    Semantic segmentation plays a crucial role in understanding the surroundings of a vehicle in the context of autonomous driving. Nevertheless, segmentation networks are typically trained on a closed-set of inli...

    Carlos David Ardon Munoz, Masashi Nishiyama, Yoshio Iwai in Pattern Recognition (2023)

  4. No Access

    Chapter and Conference Paper

    Subjective Scores and Gaze Distribution in Personality Evaluations: Effect of Subjects’ Clothing on Observers’ Impressions of Them

    The clothing that coworkers and others wear in the workplace affects our evaluations of them, including what personality traits we ascribe to them. In this study, we sought to determine whether observers’ subj...

    Michiko Inoue, Masashi Nishiyama in Digital Human Modeling and Applications in… (2022)

  5. No Access

    Chapter and Conference Paper

    Investigation of Temporal Changes of Gaze Locations During Characteristic Evaluation When Viewing Whole-Body Photos

    We investigated how the observer’s gaze locations temporally shift over the body parts of a subject in an image when the observer is tasked to evaluate the subject’s characteristics. We also investigated how t...

    Fuyuko Iwasaki, Masashi Nishiyama in Engineering Psychology and Cognitive Ergon… (2022)

  6. No Access

    Chapter and Conference Paper

    Deep Segmentation Network Without Mask Image Supervision for 2D Image Registration

    Two-dimensional (2D) image registration is a conventional technique for simultaneously performing object recognition and pose estimation tasks. Deep neural-based 2D image registration techniques recently emerg...

    Shunsuke Yoneda, Go Irie, Takashi Shibata in Frontiers of Computer Vision (2022)

  7. No Access

    Chapter and Conference Paper

    Body-Part Attention Probability for Measuring Gaze During Impression Word Evaluation

    We investigate how to probabilistically describe the distribution of gaze with respect to body parts when an observer evaluates impression words for an individual in an image. In the field of cognitive science...

    Ken Kinoshita, Michiko Inoue, Masashi Nishiyama in HCI International 2021 - Posters (2021)

  8. No Access

    Chapter and Conference Paper

    Investigation of Motion Video Enhancement for Image-Based Avatars on Small Displays

    We investigate a method for enhancing the motion video sequences of an image-based avatar so that the body motion can be perceived as natural on a small display. If some avatar motions are too small, then the ...

    Tsubasa Miyauchi, Wataru Ganaha in Human-Computer Interaction. Interaction Te… (2021)

  9. No Access

    Chapter and Conference Paper

    Comparing the Recognition Accuracy of Humans and Deep Learning on a Simple Visual Inspection Task

    In this paper, we investigate the number of training samples required for deep learning techniques to achieve better accuracy of inspection than a human on a simple visual inspection task. We also examine whet...

    Naoto Kato, Michiko Inoue, Masashi Nishiyama, Yoshio Iwai in Pattern Recognition (2020)

  10. No Access

    Chapter and Conference Paper

    Identifying People Using Body Sway in Case of Self-occlusion

    We propose a method of identifying people in case of self-occlusion by using body sway measured at the head using a top-view camera. To accurately represent the identities of people as reflected in body sway,...

    Takuya Kamitani, Yuta Yamaguchi, Masashi Nishiyama in Frontiers of Computer Vision (2020)

  11. No Access

    Chapter and Conference Paper

    Improved Gamma Corrected Layered Adaptive Background Model

    This paper proposes a method for pixel-based background subtraction with improved gamma correction and a layered adaptive background model (IGLABM). The main problems of background subtraction are background o...

    Kousuke Sakamoto, Hiroki Yoshimura, Masashi Nishiyama, Yoshio Iwai in Pattern Recognition (2020)

  12. Chapter and Conference Paper

    Directing a Target Person Among Multiple Users Using the Motion Effects of an Image-Based Avatar

    We investigate whether an image-based avatar with motion can smoothly direct a target person who has requested guidance. Existing methods that use an avatar generally assume a one-to-one interaction with the u...

    Tsubasa Miyauchi, Masashi Nishiyama in Human-Computer Interaction. Design Practic… (2019)

  13. Chapter and Conference Paper

    Visual Effects of Turning Point and Travel Direction for Outdoor Navigation Using Head-Mounted Display

    We investigate the visual effects of superimposing turning points and travel directions within the user’s field of view in a navigation system using a subjective assessment procedure. Existing methods were dev...

    Yuji Makimura, Aya Shiraiwa in Virtual, Augmented and Mixed Reality. Mult… (2019)

  14. Chapter and Conference Paper

    Evaluating Effects of Hand Pointing by an Image-Based Avatar of a Navigation System

    We investigate whether the behavior of pointing at a map by an image-based avatar helps a user understand a route in an image-based avatar navigation system. We also evaluate whether this behavior is preferred...

    Michiko Inoue, Aya Shiraiwa in Human-Computer Interaction. Interaction in… (2018)

  15. Chapter and Conference Paper

    Decreasing Physical Burden Using the Following Effect and a Superimposed Navigation System

    We propose a novel navigation system using a virtual guide who walks in front of the user and induces the following effect. When using existing navigation systems, the user has a high physical burden because t...

    Yuji Makimura, Hiroki Yoshimura, Masashi Nishiyama in Virtual, Augmented and Mixed Reality (2017)

  16. No Access

    Chapter

    Solubilities Prediction of Ginger Bioactive Compounds in Liquid Phase of Water by the COSMO-RS Method

    The solubilities in water of four main ginger bioactive compounds, 6-gingerol, 6-shogaol, 8-gingerol and 10-gingerol, were predicted using a conductor-like screening model for real solvent (COSMO-RS) calculati...

    Syaripah Za’imah Syed Jaapar in Recent Trends in Physics of Material Scien… (2015)

  17. No Access

    Chapter and Conference Paper

    Local Feature Evaluation for a Constrained Local Model Framework

    We present local feature evaluation for a constrained local model (CLM) framework. We target facial images captured by a mobile camera such as a smartphone. When recognizing facial images captured by a mobile ...

    Maiya Hori, Shogo Kawai, Hiroki Yoshimura in Face and Facial Expression Recognition fro… (2015)

  18. Chapter and Conference Paper

    Evaluation and Fair Comparison of Human Tracking Methods with PTZ Cameras

    Evaluation and comparison of methods, repeatability of experiments, and availability of data are the dynamics driving science forward. In computer vision, a database with ground-truth information enables fair ...

    Alparslan Yildiz, Noriko Takemura, Yoshio Iwai in Virtual, Augmented and Mixed Reality (2015)

  19. Chapter and Conference Paper

    AR Navigation System Using Interaction with a CG Avatar

    This paper describes a navigation system that is guided by a CG avatar using augmented reality (AR) technology. Some existing conventional AR navigation systems use arrows for route guidance. However, the posi...

    Hirosuke Murata, Maiya Hori in Virtual, Augmented and Mixed Reality. Desi… (2014)

  20. Chapter and Conference Paper

    Regression Based Trajectory Learning and Prediction for Human Motion

    This paper presents a method for learning and predicting human motion in closed environments.

    Alparslan Yildiz, Noriko Takemura in Image and Video Technology – PSIVT 2013 Wo… (2014)

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