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Browsing 先端科学技術研究科 / Graduate School of Science and Technology by Title

Browsing 先端科学技術研究科 / Graduate School of Science and Technology by Title

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  • 4D light field segmentation with spatial and angular consistencies 
    Mihara, Hajime; Funatomi, Takuya; Tanaka, Kenichiro; Kubo, Hiroyuki; Mukaigawa, Yasuhiro; Nagahara, Hajime (IEEE, 2016-05-16)
    In this paper, we describe a supervised four-dimensional (4D) light field segmentation method that uses a graph-cut algorithm. Since 4D light field data has implicit depth information and contains redundancy, it differs ...
  • 9.6 million links in source code comments: purpose, evolution, and decay 
    Hata, Hideaki; Christoph, Treude; Raula, Gaikovina Kula; Ishio, Takashi (IEEE Press Piscataway, NJ, USA ©2019, 2019-05-25)
    Links are an essential feature of the World Wide Web, and source code repositories are no exception. However, despite their many undisputed benefits, links can suffer from decay, insufficient versioning, and lack of ...
  • A Framework for Transit Monitoring System Using IoT Technology: Two Case Studies 
    El-Tawab, Samy; Arai, Ismail; Salman, Ahmad; Park, B. Brian (IEEE, 2020-08-04)
    With the fast increase of wireless technology, more new applications are developed targeting smart cities. It is clear that soon-to-be, each city will be covered with wireless capabilities besides the 5G cellular technology. ...
  • A performance investigation of thermal infrared camera and optical camera for searching victims with an unmanned aerial vehicle: poster abstract 
    Harada, Koji; Arai, Ismail; Kashihara, Shigeru; Fujikawa, Kazutoshi (ACM, 2020-11)
    In search and rescue (SAR) operation, the potential of Unmanned Aerial Vehicles (UAVs) gathers great attention. Existing studies have made various experiments to find victims by a UAVs with a single sensor, e.g., one of ...
  • Acquiring and Characterizing Plane-to-Ray Indirect Light Transport 
    Kubo, Hiroyuki; Jayasuriya, Suren; Iwaguchi, Takafumi; Funatomi, Takuya; Mukaigawa, Yasuhiro; G. Narasimhan, Srinivasa (2018-05-31)
    Separation of light transport into direct and indirect paths has enabled new visualizations of light in everyday scenes. However, indirect light itself contains a variety of components from subsurface scattering to diffuse ...
  • Acquiring Curvature-Dependent Reflectance Function from Translucent Material 
    Okamoto, Midori; Kubo, Hiroyuki; Mukaigawa, Yasuhiro; Ozawa, Tadahiro (IEEE, 2016-07-08)
    Acquiring scattering parameters from real objects is still a challenging work. To obtain the scattering parameters, physics-based analysis is ineffective because huge computational cost is required to simulate subsurface ...
  • An Evaluation of SC-FDMA Signal Transmission in Radio over Fiber Mobile Fronthaul 
    Fito, Herminawan; Higashino, Takeshi; Okada, Minoru (IEEE, 2020-05-22)
    This paper investigates a transmission efficiency dependent on location of a receiver for large-scale wireless power transfer (WPT) system using parallel line feeder. Many researches usually employ electromagnetic field ...
  • AR-PETS: Development of an Augmented Reality Supported Pressing Evaluation Training System 
    Alexander, Plopski; Mori, Ryosuke; 武富, 貴史; Christian, Sandor; 加藤, 博一 (Springer, Cham, 2018-06-02)
    With age, changes to the human nervous system lead to a decrease in control accuracy of extremities. Especially, reduced control over the fingers gravely affects a person’s quality of life and self-reliance. It is possible ...
  • Automatic Classifying Self-Admitted Technical Debt Using N-Gram IDF 
    Supatsara, Wattanakriengkrai; Napat, Srisermphoak; Sahawat, Sintoplertchaikul; Morakot l, Choetkiertiku; Chaiyong, Ragkhitwetsagul; Thanwadee, Sunetnanta; Hata, Hideaki; Matsumoto, Kenichi (IEEE, 2019-12-05)
    Technical Debt (TD) introduces a quality problem and increases maintenance cost since it may require improvements in the future. Several studies show that it is possible to automatically detect TD from source code comments ...
  • Designing Efficient Neural Attention Systems Towards Achieving Human-level Sharp Vision 
    Abdul Ghani, Abdul Rahman; Koganti, Nishanth; Solano, Alfredo; Iwasawa, Yusuke; Nakayama, Kotaro; Matsuo, Yutaka (ICLR 2018, 2018)
    Human vision is capable of focusing on subtle visual cues at high resolution by relying on a foveal view coupled with an attention mechanism. Recently, there have been several studies that proposed deep reinforcement ...
  • Divider: Delay-Time Based Sender Identification in Automotive Networks 
    Ohira, Shuji; Araya, Kibrom Desta; Kitagawa, Tomoya; Fujikawa, Kazutoshi; Arai, Ismail (IEEE, 2020-07-17)
    Controller Area Network (CAN) is one of the in-vehicle network protocols that is used to communicate among Electronic Control Units (ECUs) and has been de-facto standard. CAN is simple and has several vulnerabilities such ...
  • DOCOR: Sensing Everything From Route Buses 
    Arai, Ismail; Kametani, Masahiro; Honda, Norihiko; Akiyama, Toyokazu (IEEE, 2020-10-13)
    With the spreading of digital tachographs for transportation systems, IoT is coming to route bus fields as well. The primary purpose is to make an operation of route buses efficient by glancing over the status of the bus ...
  • Effect of Display Location on Finger Motor Skill Training with Music-Based Gamification 
    Inoue, Naoki; Fujimoto, Yuichiro; Plopski, Alexander; Okahashi, Sayaka; Kanbara, Masayuki; Hsu, Hsiu-Yun; Kuo, Li-Chieh; Su, Fong-Chin; Kato, Hirokazu (Springer, Cham, 2020-07-10)
    The motor control of individual fingers is an important part of daily life, but there are many people who have difficulty with it, such as elderly people and stroke patients. While continuous rehabilitation is necessary ...
  • Effectiveness of Virtual Reality Playback in Public Speaking Training 
    Zhou, Hangyu; Fujimoto, Yuichiro; Kanbara, Masayuki; Kato, Hirokazu (ACM, 2020-10)
    In this paper, factors with positive effects in the playback of virtual reality (VR) presentation in training are discussed. To date, the effectiveness of VR public speaking training in both anxiety reduction and skills ...
  • Efficient In-Situ Creation of Augmented Reality Tutorials 
    Alexander, Plopski; Varunyu, Fuvattanasilp; Jarkko, Poldi; 武富, 貴史; Christian, Sandor; 加藤, 博一 (IEEE, 2018-08-09)
    With increasing complexity of system maintenance there is an increased need for efficient tutorials that support easy understanding of the individual steps and efficient visualization at the operation site. This can be ...
  • Evaluation of Argument Search Approaches in the Context of Argumentative Dialogue Systems 
    Rach, Niklas; Matsuda, Yuki; Yasumoto, Keiichi; Minker, Wolfgang (European Language Resources Association, 2020-05)
    We present an approach to evaluate argument search techniques in view of their use in argumentative dialogue systems by assessing quality aspects of the retrieved arguments. To this end, we introduce a dialogue system that ...
  • An experimental investigation of equivalent circuit for large scale WPT system 
    KAWABATA, Kohei; HIGASHINO, Takeshi; OKADA, Minoru (2019-11-02)
    This paper demonstrates an equivalent circuit model for large scale WPT system with multiple receivers. Many articles have shown the method for determining optimum load impedance at receiver and power distribution in ...
  • Experimental Investigation of Receiver-location Dependency in Parallel Line Fed WPT System 
    Kawabata, Kohei; Higashino, Takeshi; Okada, Minoru (IEEE, 2020-03-22)
    This paper investigates a transmission efficiency dependent on location of a receiver for large-scale wireless power transfer (WPT) system using parallel line feeder. Many researches usually employ electromagnetic field ...
  • An Experimental Investigation of the MUSIC-based Wireless Position Location using LCX antenna at 5GHz band 
    Shirai, Kosuke; Higashino, Takeshi; Okada, Minoru (IEEE, 2019-11-21)
    n recent years, a wireless system using LCX (Leaky CoXial cable) antenna has been studied as a method of locating a wireless terminal in indoor. As typical method, the IFFT (Inverse Fast Fourier Transform) of the channel ...
  • Fixed point observation of geomagnetism for dynamic fingerprinting map construction 
    Terai, Genki; Arai, Ismail; Fujikawa, Kazutoshi (MobiCASE STUDENT WORKSHOP (MCSW2018), 2018-12-28)
    Fingerprinting requires sensor data map to estimate a user’s location by comparing the map with sensor data of the user’s device. Although it is assumed that the sensor data does not change, it is considered that the premise ...

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