Search Results 1-20 of 1831

  • Examination of Dynamic CAPTCHA for Mobile Devices and Verification of Bot Tolerance Using Tracking Technology  [in Japanese]

    藤 竜成 , 水田 陸 , 山場 久昭 , 油田 健太郎 , 岡崎 直宣

    … One of the objects selected by the user from among several objects is set as a tracking target. … According to the time that the users can track the target with their finger, the proposed system determines whether the users are humans or bots. …

    宮崎大學工學部紀要 (48), 257-262, 2019-07


  • Target tracking technology (Kalman filter)(2)  [in Japanese]

    防衛技術ジャーナル 39(6), 10-15, 2019-06

  • Neural correlates of online cooperation during joint force production

    Abe Masaki O. , Koike Takahiko , Okazaki Shuntaro , Sugawara Sho K. , Takahashi Kohske , Watanabe Katsumi , Sadato Norihiro

    … The goal of the task was to match their average grip forces to the target value (20% of their maximum grip forces) through visual feedback over a 30-s period; … Since the posterior TPJ is part of the mentalizing system for tracking the intention of perceived agents, our findings indicate that cooperation, i.e., the degree of adjustment of individual motor output depending on that of the partner, is mediated by the interconnected subdivisions of the right TPJ. …

    Neuroimage (191), 150-161, 2019-05-01


  • Target tracking technology (Kalman filter)(1)  [in Japanese]

    防衛技術ジャーナル 39(5), 14-20, 2019-05


    小山 航平

    … Since the proposed system learns clothing features, physical features, and the position information of a target person, the target person does not need to have an extra device, such as smartphone, to send a signal to the robot. … This online learning allows a user freely to choose any person as a target, and to change to a new target at any time. …

    法政大学大学院紀要. 理工学・工学研究科編 (60), 1-6, 2019-03-31

    IR  DOI 

  • Exploration behavior of group-in-a-box layouts

    Ueno Yuki , Natsukawa Hiroaki , Aoyama Nozomi , Koyamada Koji

    … We selected two types of group-in-a-box (GIB) layouts, which can be considered to be a complicated visualization method, as the target of the user experiment. … We also collected the eye-tracking data in addition to task performance. … Furthermore, an analysis of the collected eye-tracking data revealed that this visualization factor affected the exploration behavior of the participants; …

    Food Science and Human Wellness 3(1), 38-47, 2019-03-01


  • Prediction-Based Scale Adaptive Correlation Filter Tracker

    ZHAO Zuopeng , ZHANG Hongda , LIU Yi , ZHOU Nana , ZHENG Han , SUN Shanyi , LI Xiaoman , XIA Sili

    … <p>Although correlation filter-based trackers have demonstrated excellent performance for visual object tracking, there remain several challenges to be addressed. … Traditional trackers face difficulty in accurately adapting to changes in the scale of the target when the target moves quickly. … We also incorporate a speed-based adaptive model update method to further improve overall tracking performance. …

    IEICE Transactions on Information and Systems E102.D(11), 2267-2271, 2019


  • Device-Free Targets Tracking with Sparse Sampling: A Kronecker Compressive Sensing Approach

    YANG Sixing , GUO Yan , YU Dongping , QIAN Peng

    … <p>We research device-free (DF) multi-target tracking scheme in this paper. … The existing localization and tracking algorithms are always pay attention to the single target and need to collect a large amount of localization information. …

    IEICE Transactions on Communications E102.B(10), 1951-1959, 2019


  • Adaptive Multi-Scale Tracking Target Algorithm through Drone

    HE Qiusheng , SHAO Xiuyan , CHEN Wei , LI Xiaoyun , YANG Xiao , SUN Tongfeng

    … <p>In order to solve the influence of scale change on target tracking using the drone, a multi-scale target tracking algorithm is proposed which based on the color feature tracking algorithm. … The algorithm realized adaptive scale tracking by training position and scale correlation filters. …

    IEICE Transactions on Communications E102.B(10), 1998-2005, 2019


  • Development of the real-time adaptive active noise control system based on SAN algorithm  [in Japanese]

    YAMAGUCHI Taisei , HIROSE Shun , KOMATSUZAKI Toshihiko , HAMAGUCHI Masahiko , KIMURA Naoki , TANAKA Keita

    … In addition, frequency change of the target noise is predicted in real-time so that the system becomes adaptive. …

    The Proceedings of Conference of Hokuriku-Shinetsu Branch 2019.56(0), K015, 2019


  • Accuracy of Information Obtained by Smartphones for Avoidance of Collision Including Boats  [in Japanese]

    SAITO Eiko , FUKUTO Junji , MINAMI Makiko , NUMANO Masayoshi , MIYAZAKI Keiko

    … Automatic Identification System (AIS) and radar Target Tracking (TT) are used for collision avoidance support. …

    Transactions of Navigation 4(2), 39-48, 2019


  • Assist-as-Needed Adaptive Velocity Field Control of Power Assist Robot  [in Japanese]

    NARIKIYO Tatsuo , JABBARI ASL Hamed , SANTOH Yuhki , KAWANISHI Michihiro

    … Proposed controller includes an adaptive NN (neural network) term to compensate for the unknown dynamics of the system and the weight matrix update law of the adaptation NN term involves a forgetting factor which reduced the control effort for small tracking error. … The dead-zone property together with the forgetting factor of the NN gives a liberty (a free torque tunnel) to the user to move the target limb with a velocity inside a velocity interval around the desired velocity. …

    Transactions of the Society of Instrument and Control Engineers 55(9), 529-535, 2019


  • Analysis of Observation Behavior of Shared Interruptibility Information among Distributed Offices: Case Study in a University Laboratory

    TAKASHIMA Kentaro , YOKOYAMA Hitomi , FUJITA Kinya

    … Observation behavior for each target member was detected using an eye tracker to discuss the usage and effect of the system in a quantitative manner, along with the considerations of workers' …

    IEICE Transactions on Information and Systems E102.D(9), 1808-1818, 2019


  • Vehicle Integrated Control by Nonlinear Model Predictive Control in GNSS Based Autonomous Driving System  [in Japanese]

    Uno Tomoki , Quirynen Rien , Cairano Stefano Di , Berntorp Karl

    … However, under slippery road conditions such as on a snow-covered road, it is expected that the performance of tracking a target path deteriorates or in the worst case the vehicle could start spinning. … Therefore, vehicle control to accurately follow the target path is important. …

    Transactions of Society of Automotive Engineers of Japan 50(4), 1176-1181, 2019


  • Simplified Covariance Estimation and Target Observation Management Method for On-Board Optical Navigation of Deep Space Probe

    KAWABATA Yosuke , SAIKI Takanao , KAWAKATSU Yasuhiro

    … For deep space missions, OD has been performed by Range and Range Rate (RARR), which is a traditional ground tracking approach by radio waves. … In particular, the selection of target bodies to observe is focused on because it's important that the selection of such target bodies leads to the satisfaction of mission requirements or increment of scientific observation. …



  • A Robust Tracking with Low-Dimensional Target-Specific Feature Extraction

    JIANG Chengcheng , ZHU Xinyu , LI Chao , CHEN Gengsheng

    … <p>Pre-trained CNNs on ImageNet have been widely used in object tracking for feature extraction. … However, due to the domain mismatch between image classification and object tracking, the submergence of the target-specific features by noise largely decreases the expression ability of the convolutional features, resulting in an inefficient tracking. …

    IEICE Transactions on Information and Systems E102.D(7), 1349-1361, 2019


  • Robust Object Tracking against Self-occlusion Using Color and Depth Information  [in Japanese]

    IMAI Jun-ichi , KASHIWAGI Yuhei , KITSUJI Ryo

    … <p>Visual object tracking techniques are widely required by many vision applications. … The color-based particle filter is known as one of useful methods for robust object tracking. … Self-occlusion occurs when a part of a target object is hidden by itself from a camera. … When the target object moves or rotates, a part of the target disappears because the self-occlusion occurs and other part appears because the self-occlusion is resolved. …

    Transactions of the Society of Instrument and Control Engineers 55(5), 342-352, 2019


  • Exponential Attractor for One-Dimensional Self-Organizing Target-Detection Model

    Iwasaki Satoru

    … [8] utilized the Keller-Segel model for mobile bionanosensor networks for target tracking. …

    Funkcialaj Ekvacioj 62(1), 75-93, 2019


  • Robust Human Tracking of a Crawler Robot

    Orita Yasuaki , Fukao Takanori

    … Using two 3D light detection and ranging sensors, once the firefighter's coordinates are detected, the coordinates are combined with 3D simultaneous localization and mapping results, then a target path is generated. … The crawler robot follows the path using inverse optimal tracking control. …

    Journal of Robotics and Mechatronics 31(2), 194-202, 2019


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