• A Study on Constant Voltage Design for Single-Frequency Two-Stream Contactless Power Transfer with Cross-Coupling 

  KAWAI, Shudai; Quang-Thang, DUONG; OKADA, Minoru; HIGASHINO, Takeshi (2019-11-02)

  This paper proposes a voltage stabilization scheme for feeding constant voltage to receiver in single-frequency two-stream contactless power transmission under the presence of cross coupling among couplers. We have ...
• 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 ...
• 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 ...
• Toward Sustainable Communities with a　Community Currency – A Study in Car Sharing 

  Nakasai, Keitaro; Ikutani, Yoshiharu; Takata, Daiki; Matsumoto, Kenichi (IEEE, 2019-12-19)

  We consider Free/libre and open source software (FLOSS) as a common pool resource (CPR). In economics, CPRs are frequently associated with markets, and it is reported that without appropriate agreement, monitoring and ...
• 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 ...
• InvisibleRobot: Facilitating Robot Manipulation Through Diminished Reality 

  Alexander, Plopski; Ada V, Taylor; Elizabeth, Jeanne Carter; Henny, Admoni (2019-10-14)

  When controlling robots, users often face the issue of an operating area that is occluded by an element in the environment or the robot’s body. To gain an unobstructed view of the scene, users have to either adjust the ...
• Improving Color Discrimination for Color Vision Deficiency (CVD) with Temporal-domain Modulation 

  Silviya, Hasana; Fujimoto, Yuichiro; Plopski, Alexander; Kanbara, Masayuki; Kato, Hirokazu (IEEE, 2019-10-14)

  Color Vision Deficiency (CVD) is often characterized by the inability to distinguish color due to a defective or missing cone in the eye. Although it is possible to modify the observed color to make it easier for users ...
• PADLA: a dynamic log level adapter using online phase detection 

  Mizouchi, Tsuyoshi; Shimari, Kazumasa; Ishio, Takashi; Inoue, Katsuro (IEEE, 2019-05-25)

  Logging is an important feature for a software system to record its run-time information. Although detailed logs are helpful to identify the cause of a failure in a program execution, constantly recording detailed logs of ...
• Near-Omniscient Debugging for Java Using Size-Limited Execution Trace 

  Shimari, Kazumasa; Ishio, Takashi; Kanda, Tetsuya; Inoue, Katsuro (IEEE, 2019-10-02)

  Abstract—Logging is an important feature for a software system to record its run-time information. Detailed logging allows developers to collect information in situations where they cannot use an interactive debugger, ...
• 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 ...
• Transferability of Spatial Maps: Augmented Versus Virtual Reality Training 

  Caluya, Nicko; Plopski, Alexander; Ty, Jayzon; Sandor, Christian; Taketomi, Takafumi; Kato, Hirokazu (IEEE, 2018-08-30)

  Work space simulations help trainees acquire skills necessary to perform their tasks efficiently without disrupting the workflow, forgetting important steps during a procedure, or the location of important information. ...
• 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 ...
• 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 ...
• Light Projection-Induced Illusion for Controlling Object Color 

  秋山, 諒; 山本, 豪志朗; 武富 貴史; Alexander, Plopski; Amano, Toshiyuki; Christian, Sandor; 加藤, 博一 (IEEE, 2018-08-30)

  Using projection mapping, we can control the appearance of realworld objects by projecting colored light onto them. Because a projector can only add illumination to the scene, only a limited color gamut can be presented ...
• Impact of Coding Style Checker on Code Review - A Case Study on the OpenStack Projects 

  Ueda, Yuki; Ihara, Akinori; Ishio, Takashi; Matsumoto, Kenichi (IEEE, 2018)

  Code review is key to ensuring the absence of potential issues in source code. Code review is changing from a costly manual check by reviewer to a cost-efficient automatic check by coding style checkers. So that patch ...
• Towards Classification of Loop Idioms Automatically Extracted from Legacy Systems 

  Okada, Joji; Ishio, Takashi; Sakata, Yuji; Inoue, Katsuro (IEEE, 2019)

  Legacy systems are important in business but difficult to maintain. One of the causes of the difficulties is a large number of code clones in the systems; Those clones implement similar functionalities using common loop ...
• Mining Source Code Improvement Patterns from Similar Code Review Works 

  Ueda, Yuki; Ishio, Takashi; Ihara, Akinori; Matsumoto, Kenichi (IEEE, 2019)

  Code review is key to ensuring the absence of potential issues in source code. Code reviewers spend a large amount of time to manually check submitted patches based on their knowledge. Since a number of patches sometimes ...
• 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 ...
• Proposal of Estimating Number of Passengers Using Images of Drive Recorder Inside Buses 

  Nakashima, Hayato; Arai, Ismail; Fujikawa, Kazutoshi (MobiCASE STUDENT WORKSHOP (MCSW2018), 2018-12-28)

  In this paper, we investigated the method of counting the number of people getting on/off the bus. As a result, there are currently research and products that estimate the number of people getting on/off using dedicated ...
• 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 ...

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