検索結果 862件中 1-20 を表示

  • Control of treatment size in cavitation-enhanced high-intensity focused ultrasound using radio-frequency echo signals

    Tomiyasu Kentaro , Takagi Ryo , Iwasaki Ryosuke , Yoshizawa Shin , Umemura Shin-ichiro

    … The result shows that this method can be used to detect boiling bubbles and the following generated cavitation bubbles at their early stage. … By automatically stopping HIFU exposure immediately after detecting the bubbles, overheating was prevented and the deviation of the length of the coagulated region was reduced. …

    Jpn. J. Appl. Phys. 56(7S1), 07JF28, 2017-06-28

    応用物理学会

  • 介護用自動排泄処理装置のカップの改良について

    芹田 洋

    … The automatic excretion processor can automatically detect the excretions and dispose them. …

    法政大学大学院紀要理工学・工学研究科編 58, 2017-03-31

    機関リポジトリ

  • Blue-laser scanned imaging system using positioning marks formed on an optical disk substrate

    Shima Takayuki , Wang Xiaomin , Shiramizu Hideyuki , Fujimaki Makoto , Awazu Koichi , Ohki Yoshimichi

    … We improved the optical disk-based imaging system to make more precise images at low cost for safety enhancement applications to observe and detect micrometer-order hazardous substances collected on a large-area surface. … An optical disk substrate with positioning marks is prepared, and a signal processor is developed to automatically construct an image using the marks. …

    Jpn. J. Appl. Phys. 56(5), 058003, 2017-03-29

    応用物理学会

  • ユーザの姿勢を考慮したモバイル端末の把持姿勢認識

    小川 剛史 , 朴 燦鎬

    … ,ユーザの姿勢を含む12種類の把持姿勢を認識する.被験者実験において5分割交差検定を行い,97.7%の精度で12種類の把持姿勢を認識できることを確認した.また,ユーザに対する端末の向きに注目すると99.7%の精度で正しい向きを検出できており,提案手法が端末の把持姿勢認識に有効であることが示された.Most mobile devices detect vertical direction based on acceleration of gravity, and rotate their screens automatically. …

    情報処理学会論文誌デジタルコンテンツ(DCON) 5(1), 31-37, 2017-02-28

    情報処理学会

  • クチコミの拡散状況を定量化する方式に関する考察

    福田 浩至 , 大曽根 匡

    TwitterやFaceook等のソーシャルネットワークの普及に伴い、ネット上のクチコミ情報が、企業や商品に与える影響が急速に高まった。企業は、クチコミが拡大した原因を分析し、迅速にかつ、適切に対応することが求められている。しかしながら、常にクチコミ内容を傾聴することは、相応に労力を要する。筆者らは、特定キーワードのクチコミデータ量の時系列変化をもとに、クチコミが拡散した状況を自動検知する手法を考 …

    経営情報学会 全国研究発表大会要旨集 2017f(0), 211-214, 2017

    J-STAGE

  • 手持ち LIDAR による地図作成の現場適用に向けた失敗検出法

    藏町 遼 , 新田 次郎 , 佐々木 洋子 , 鵜山 尚大 , 鳴海 智博

    … We first define the error pattern of mapping result and propose evaluation functions to detect de- fined mapping errors. … The evaluation result show that the system could correctly detect skewed part of mapping process and recover automatically.</p> …

    ロボティクス・メカトロニクス講演会講演概要集 2017(0), 2P2-B02, 2017

    J-STAGE

  • 複数人の集合環境における追従ロボットの開発

    下山 未来 , 松日楽 信人 , 鈴木 薫

    … In addition, it restarted following if robot could detect the torso again. … In the future, we will consider target characterization and avoid obstacles automatically.</p> …

    ロボティクス・メカトロニクス講演会講演概要集 2017(0), 2P1-J04, 2017

    J-STAGE

  • 虹彩の特徴量に基づいたコミュニケーションエイドの開発

    春山 裕樹 , 小澤 奈穂 , 瀬川 辰之佑 , 高橋 則行 , 中沢 信明 , 松井 利一

    … We have developed a system which could automatically detect the position of the eyes and determine the area of the iris and the position of the center of gravity. …

    ロボティクス・メカトロニクス講演会講演概要集 2017(0), 2P1-M12, 2017

    J-STAGE

  • 介護用自動排泄処理装置のカップの改良に関する研究

    芹田 洋 , 石井 千春

    … <p>The automatic excretion processor can automatically detect the excretions and dispose them. …

    ロボティクス・メカトロニクス講演会講演概要集 2017(0), 2A2-I03, 2017

    J-STAGE

  • 自律移動ロボットによる道なり走行のための畳み込みニューラルネットワークによる消失点検出

    小池 陽介 , 大川 一也

    … On the other hand, CNN acquires them automatically and can detect objects in high accuracy and robustness. …

    ロボティクス・メカトロニクス講演会講演概要集 2017(0), 2A2-D10, 2017

    J-STAGE

  • 全方向移動ロボットによる三次元プラグインドッキング動作制御に関する研究

    トラン トルン フォン , 和田 正義 , 北村 正樹

    … It was found that Plugin-docking system could automatically detect docking results, executed re-docking motion each failed times and achieved higher docking success rate.</p> …

    ロボティクス・メカトロニクス講演会講演概要集 2017(0), 1P1-E09, 2017

    J-STAGE

  • 人の実装プロセスに学ぶ検査画像処理ソフト自動生成手法

    吉村 裕一郎 , 青木 公也

    … So far our studies make it possible to detect defect and make image processing algorithms automatically. …

    電気学会論文誌. C 137(9), 1201-1208, 2017

    J-STAGE

  • Visual Indexing of Large Scale Train-Borne Video for Rail Condition Perceiving

    DAI Peng , WANG Shengchun , HUANG Yaping , WANG Hao , DU Xinyu , HAN Qiang

    … In this paper, we propose a simple and effective method to detect the train-swaying quickly and automatically. … The experimental results show that RTP, the compact video representation, can fast examine the visual train-swaying information for track condition perceiving, on which we detect the irregular spots with 92.86% recall and 82.98% precision in only 2 minutes computation from the video close to 1 hour.</p> …

    IEICE Transactions on Information and Systems E100.D(9), 2017-2026, 2017

    J-STAGE

  • Exercise Transcutaneous Oximetry of the Buttocks ― External Validation With Computed Tomography Angiography ―

    Audonnet Martin , Signolet Isabelle , Colas-Ribas Christophe , Ammi Myriam , Abraham Pierre , Henni Samir

    … Chest-tcPO2 changes were automatically classified into pre-defined profiles representing normal or abnormal responses. … Using DROP <−15 mmHg as a cut-off, Ex-tcPO2 had 80.2% sensitivity, 72.3% specificity, 43.1% PPV, 93.3% NPV and 73.9% accuracy, to detect 1 stenosis >75% in arteries toward the hypogastric circulation. … Optimal DROP to detect stenosis was: −15 mmHg. …

    Circulation Journal 81(8), 1123-1128, 2017

    J-STAGE

  • In-plant 3D positioning system using point cloud data for remote decontamination machine

    SATOH Yoshinori , AIKAWA Tetsuro , KAWAGUCHI Yuji , SAKAMOTO Naoya , SAITO Masahiro , KANEDA Masayuki , SAKAI Hitoshi

    … Because the position data such as GPS data is not available in the buildings, it was hard for operators to detect its absolute position and orientation in the building, and it took much time to recognize targets to be decontaminated. … In order to reduce positioning time and make operation works easier, we constructed 3D positioning system to automatically detect the absolute 3D position of the decontamination machine in the reactor buildings from a remote safe building. …

    Mechanical Engineering Journal, 2017

    J-STAGE

  • 赤外線通信により物理的対面を計量するウェアラブルデバイス

    蜂須 拓 , Yadong Pan , 利根 忠幸 , Baptiste Bourreau , 鈴木 健嗣

    … The device has unique capabilities: measuring timing and duration of face-to-face behavior as well as an identity of the partner, being used by multiparty, and automatically logging the behavior by connecting with Android device. … A pilot experiment with two dummy heads shows that the developed devices can detect the face-to-face behavior with a certain angle. …

    日本バーチャルリアリティ学会論文誌 22(1), 11-18, 2017

    J-STAGE

  • Detection of avalanche locations using infrasound array data(インフラサウンド・アレイ観測による雪崩発生箇所の推定)

    ARAI Nobuo(新井伸夫) , IMAI Toshiaki(今井俊昭) , OTSUKI Masaya(大槻政哉) , SAITO Yoshihiko(斎藤佳彦) , MURAYAMA Takahiko(村山貴彦) , IWAKUNI Makiko(岩國真紀子)

    … <p>Infrasound observations can be used to measure the energy radiated by an avalanche into the atmosphere and detect avalanches over large areas. … In the 2014-2015 winter season, we deployed three sensors spaced by 1-2km in a triangular array and attempted to automatically extract signals associated with avalanches from the observed raw data using time-domain processing. …

    Bulletin of Glaciological Research 35(0), 1-6, 2017

    J-STAGE

  • Non-linear Time-series Analysis of Social Influence

    Thinh Minh Do , Yasuko Matsubara , Yasushi Sakurai

    … (b) If there are, can we automatically detect them? … (b) If there are, can we automatically detect them? …

    情報処理学会論文誌データベース(TOD) 9(3), 2016-09-30

    情報処理学会

  • 高感度映像とDeep Neural Networkを用いた夜間対応型知的防犯カメラ

    長山 格 , 宮原 彬 , 島袋 航一

    … Certain characteristics of motion are determined from video streams, and using a deep neural network the system automatically classifies the situations in the video streams into criminal or non-criminal scenes. … The experimental results show that the system can effectively detect snatching incidents with an accuracy of 96.66%.</p> …

    電気学会論文誌. D, 産業応用部門誌 136(10), 727-734, 2016

    J-STAGE

  • 犯行映像のGabor特徴情報と多数決ネットワークによる街頭犯罪の高精度検知

    長山 格 , 島袋 航一 , 宮原 彬

    … Gabor features are determined from video streams and, using a majority rule network (MRN) composed of various artificial intelligence (AI) systems, the video streams are automatically classified into criminal or non-criminal scenes. … The experimental results show that the proposed system can effectively detect criminal scenes with high accuracy.</p> …

    電気学会論文誌. D, 産業応用部門誌 136(10), 735-743, 2016

    J-STAGE

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