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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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  • 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 ...
  • Passenger Counter Based on Random Forest Regressor Using Drive Recorder and Sensors in Buses 
    Nakashima, Hayato; Arai, Ismail; Fujikawa, Kazutoshi (IEEE, 2019-03-15)
    In recent years, some bus companies have raised revenue by reviewing the route plan using the number of passengers. The company has a system that can automatically counts the number of passengers on an ongoing basis. But ...
  • PLI-TDC: Super Fine Delay-Time Based Physical-Layer Identification with Time-to-Digital Converter for In-Vehicle Networks 
    Ohira, Shuji; Desta, Araya Kibrom; Arai, Ismail; Fujikawa, Kazutoshi (Association for Computing Machinery, 2021-05-24)
    Recently, cyberattacks on Controller Area Network (CAN) which is one of the automotive networks are becoming a severe problem. CAN is a protocol for communicating among Electronic Control Units (ECUs) and it is a de-facto ...
  • Pre- and post-processes for automatic colorization using a fully convolutional network 
    Sophie, Ramassamy; Kubo, Hiroyuki; Funatomi, Takuya; Ishii, Daichi; Maejima, Akinobu; Nakamura, Satoshi (2018-12)
    Automatic colorization is a significant task especially for Anime industry. An original trace image to be colorized contains not only outlines but also boundary contour lines of shadows and highlight areas. Unfortunately, ...
  • Proposal of classification method of bus operation states using sensor data 
    Yonezawa, Takuya; Arai, Ismail; Akiyama, Toyokazu; Fujikawa, Kazutoshi (IEEE, 2017-12-14)
    In bus companies, it is important for the operation manager to grasp operation states of the vehicle from the viewpoint of safety management and improving the operation efficiency. Currently, for allowing the operation ...
  • 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 ...
  • Random Forest Based Bus Operation States Classification Using Vehicle Sensor Data 
    Yonezawa, Takuya; Arai, Ismail; Akiyama, Toyokazu; Fujikawa, Kazutoshi (IEEE, 2018-03-23)
    In bus companies, it is important for an operation manager to grasp operation states of vehicles from a viewpoint of safety management and improving an operation efficiency. Currently, for allowing operation managers to ...
  • Real-time Rendering of Subsurface Scattering according to Translucency magnitude 
    Kubo, Hiroyuki; Tokoi, Kohe; Mukaigawa, Yasuhiro (Association for Computing Machinery, 2015-07)
    To synthesize realistic translucent materials in computer graphics, it is necessary to simulate the effect of subsurface scattering. In previous works, several methods are proposed for rendering such materials in real-time. ...
  • Reconstructing Shapes and Appearances of Thin Film Objects Using RGB Images 
    Kobayashi, Yoshie; Morimoto, Tetsuro; Sato, Imari; Mukaigawa, Yasuhiro; Tomono, Takao; Ikeuchi, Katsushi (IEEE, 2016-06-30)
    Reconstruction of shapes and appearances of thin film objects can be applied to many fields such as industrial inspection, biological analysis, and archaeologic research. However, it comes with many challenging issues ...
  • Reconstruction of volumetric reflectance using spatio-sequential frequency correlation imaging 
    Takatani, Tsuyoshi; Aoto, Takahito; Tanaka, Kenichiro; Funatomi, Takuya; Mukaigawa, Yasuhiro (Association for Computing Machinery, 2018-12)
    In this paper, we propose a novel pro-cam technique for reconstruction of the volumetric relectance inside an object. The key concept is use of spatio-sequentially modulated illumination to extract only the required ...
  • Recovering Transparent Shape from Time-of-Flight Distortion 
    Tanaka, Kenichiro; Mukaigawa, Yasuhiro; Kubo, Hiroyuki; Matsushita, Yasuyuki; Yagi, Yasushi (IEEE, 2016-06-30)
    his paper presents a method for recovering shape and normal of a transparent object from a single viewpoint using a Time-of-Flight (ToF) camera. Our method is built upon the fact that the speed of light varies with the ...
  • Reducing Tail Latency In Cassandra Cluster Using Regression Based Replica Selection Algorithm 
    Chauque, Euclides; Arai, Ismail; Fujikawa, Kazutoshi (IEEE, 2020-12-16)
    Online applications adoption, and success are driven by a multitude of factors among them the service response time. This is natural as users tend to prefer a faster service than a slower. However, it is challenging to ...
  • Removing Word-Level Spurious Alignment between Images and Pseudo-Captions in Unsupervised Image Captioning 
    Honda, Ukyo; Ushiku, Yoshitaka; Hashimoto, Atsushi; Watanabe, Taro; Matsumoto, Yuji (Association for Computational Linguistics, 2021-04)
    Unsupervised image captioning is a challenging task that aims at generating captions without the supervision of image-sentence pairs, but only with images and sentences drawn from different sources and object labels detected ...
  • Research and development of a safe bus driving support system considering passenger discomfort 
    Akiyama, Toyokazu; Arai, Ismail; Yamamoto, Hiroshi (一般社団法人電子情報通信学会, 2020-09-24)
    In recent years, bus accidents have become a social problem due to the aging of bus drivers and the shortage of personnel. Our research group has been developing a safe bus driving support system for reducing bus accidents. ...
  • Spatio-temporal Phase Disambiguation in Depth Sensing 
    Kushida, Takahiro; Tanaka, Kenichiro; Aoto, Takahito; Funatomi, Takuya; Mukaigawa, Yasuhiro (IEEE, 2019-03-17)
    Phase ambiguity is a major problem in the depth measurement in either time-of-flight or phase shifting. Resolving the ambiguity using a low frequency pattern sacrifices the depth precision, and using multiple frequencies ...
  • Stepping over Obstacles with Augmented Reality based on Visual Exproprioception 
    Alessandro, Luchetti; Edoardo, Parolin; Isidro, Butaslac; Fujimoto, Yuichiro; Kanbara, Masayuki; Paolo, Bosetti; Mariolino, De Cecco; Kato, Hirokazu (IEEE, 2020-12-16)
    The purpose of this study is to analyze the different kinds of ex- proprioceptive visual cues on an Augmented Reality (AR) system during gait exercise, on top of understanding which cues provide the best visualizations in ...
  • 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 ...
  • The Effect of COVID-19 on the Transit System in Two Regions: Japan and USA 
    Arai, Ismail; El-Tawab, Samy; Salman, Ahmad; Elnoshokaty, Ahmed (IEEE, 2022-01-31)
    The communication revolution that happened in the last ten years has increased the use of technology in the transportation world. Intelligent Transportation Systems wish to predict how many buses are needed in a transit ...
  • The Feasibility of Augmented Reality as a Support Tool for Motor Rehabilitation 
    Butaslac, Isidro III; Luchetti, Alessandro; Parolin, Edoardo; Fujimoto, Yuichiro; Kanbara, Masayuki; De Cecco, Mariolino; Kato, Hirokazu (Springer, Cham, 2020-08-31)
    The aim of this work is to facilitate the application of Augmented Reality (AR) in rehabilitative clinics to support the therapist by providing real-time AR visualizations. The feasibility of AR as a support tool in ...
  • Time-Resolved Light Transport Decomposition for Thermal Photometric Stereo 
    Tanaka, Kenichiro; Kubo, Hiroyuki; Ikeya, Nobuhiro; Funatomi, Takuya (IEEE, 2018-06-23)
    We present a novel time-resolved light transport decomposition method using thermal imaging. Because the speed of heat propagation is much slower than the speed of light propagation, transient transport of far infrared ...

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