Search Results 1-20 of 2418

  • Throwing motion design based on minimum sensitivity with respect to error covariance of robot dynamic parameters

    OKADA Masafumi , SEKIGUCHI Takahiro

    … (2) The calculation algorithm for sensitivity of landing position with respect to the minimum set of dynamic parameters is proposed. … (3) By considering the error covariance of identification, an optimal throwing is designed and evaluated by simulations and/or experiments. …

    Mechanical Engineering Journal 8(1), 20-00299-20-00299, 2021

    J-STAGE 

  • Efficient Reaction Deletion Algorithms for Redesign of Constraint-based Metabolic Networks for Metabolite Production with Weak Coupling

    Tamura Takeyuki

    … In this context, it is important to develop algorithms that enable this growth-coupled reaction deletions identification for any metabolic network topologies and any potential target metabolites. … The author developed an algorithm, CubeProd, that could calculate the reaction deletions that achieve the coupling of growth and production under the condition that the cell growth is maximized (weak coupling) for 91.3% metabolites in genome-scale models of <i>S. …

    IPSJ Transactions on Bioinformatics 14(0), 12-21, 2021

    J-STAGE 

  • Identification of linear 1-dof system based on the maximum likelihood estimation using the analytical solution of Fokker-Planck equation  [in Japanese]

    TAKATA Soichiro

    … <p>This paper discusses the new identification method of a linear single-degree-of-freedom system using Gaussian random vibration response. … Especially, the proposed method is implied the application to identification problem of the large damping system. … Quantification of the large damping characteristic is the important problem, because it is the difficult problem in the conventional identification method. …

    Transactions of the JSME (in Japanese) 87(893), 19-00271-19-00271, 2021

    J-STAGE 

  • Comparison of Dimensionality Reduction Methods in Mass Spectra of Astrocytoma and Glioblastoma Tissues

    Zhvansky Evgeny , Sorokin Anatoly , Shurkhay Vsevolod , Zavorotnyuk Denis , Bormotov Denis , Pekov Stanislav , Potapov Alexander , Nikolaev Evgeny , Popov Igor

    … The fast in situ identification of dissected tissues could assist the neurosurgery procedure. … From our analysis, the Isomap algorithm appears to be the most effective dimensionality reduction algorithm for negative mode, whereas the positive mode could be processed with a simple noise reduction by a threshold. …

    Mass Spectrometry, 2021

    J-STAGE 

  • Graupel and Hail Identification Algorithm for the Dual-frequency Precipitation Radar (DPR) on the GPM Core Satellite

    LE Minda , CHANDRASEKAR V.

    … This paper aims to develop a GH identification algorithm for GPM DPR. … This algorithm is constructed using a precipitation type index (PTI) defined for DPR. … The output of the algorithm is a Boolean product representing the existence of graupel or hail along with the vertical profile for each Ku- and Ka-band matched footprint. …

    Journal of the Meteorological Society of Japan. Ser. II, 2021

    J-STAGE 

  • Personal Authentication of Iris, Periocular and Sclera Recognition Using XGBoost  [in Japanese]

    上野山 大介 , 吉浦 裕 , 市野 将嗣

    近年,精度が高いことで注目されている虹彩認証は,認証の際,虹彩の模様が鮮明に写るように被認証者はカメラに近づき,カメラを見て,高解像度の虹彩画像を取得する必要がある.認証のたびに被認証者はカメラに近づかなければならないことが被認証者の負担となる.この負担を軽減する方法として,虹彩と目の周辺を遠距離から撮影し,認証を行う方式が提案されている.しかし先行研究では,数多くある画像特徴量のうち,どの特徴量 …

    情報処理学会論文誌 61(9), 1552-1566, 2020-09-15

    IPSJ 

  • De-identification for Transaction Data Secure against Re-identification Risk Based on Payment Records

    Satoshi Ito , Reo Harada , Hiroaki Kikuchi

    … De-identification is a process to prevent revealing the identity of a person based on personal data of that individual including personal identification information. … In conventional de-identification studies, re-identification is a process used to identify individuals from static data where there is one record specified for each individual. …

    情報処理学会論文誌 61(9), 2020-09-15

    IPSJ 

  • Suspicious Bank Card Transaction Recognition Based on K-means Clustering and Random Forest Algorithm

    Liu Yunxiang , Tang Zeshen , Zheng Wenjie

    Journal of information and communication engineering 6(1), 307-312, 2020-06-01

  • Clinically Feasible and Accurate View Classification of Echocardiographic Images Using Deep Learning

    Kusunose Kenya , Haga Akihiro , Inoue Mizuki , Fukuda Daiju , Yamada Hirotsugu , Sata Masataka

    Identification of the acquired view becomes the first step of analyzing an echocardiogram. … The CNN algorithm can classify images into five standard views in a clinical setting. …

    Biomolecules 10(5), 665, 2020-04-25

    IR 

  • A New Mutant Generation Algorithm based on Path Coverage for Mutant Reduction

    Xu Qin

    … In our research, we present a new mutant generation algorithm based on the basic path coverage to reduce mutants. … The algorithm is characterized by implementing a basic path segment identification criterion for determining appropriate program points at which faults are inserted and a mutant generation priority criterion for selecting proper mutant operators to make a fault for insertion. …

    法政大学大学院紀要. 情報科学研究科編 (15), 1-6, 2020-03-24

    IR  DOI 

  • Multi-Resolution Fusion Convolutional Neural Networks for Intrapulse Modulation LPI Radar Waveforms Recognition

    NI Xue , WANG Huali , ZHU Ying , MENG Fan

    … In this paper, we propose an automatic LPI radar waveform recognition algorithm that uses a multi-resolution fusion convolutional neural network. … Then, the images are resized by interpolation and sent to the proposed network for training and identification. … The results show that the overall recognition rate of the proposed algorithm reaches 95.1% when the SNR is -6dB. …

    IEICE Transactions on Communications E103.B(12), 1470-1476, 2020

    J-STAGE 

  • Elastic Parameter Identificaton of an Elastic Rod  [in Japanese]

    ENDO Yusuke , NAKAGAWA Naohiro , MOCHIYAMA Hiromi

    … <p>In this paper, we proposed an algorithm for identifying the elastic property of an elastic rod along its body trunk. … The proposed algorithm estimates the stiffness matrix for bending and torsion along the backbone curve of an elastic rod based on the measured information on its shape and the forces and torques applied at its base by making full use of the discretized Kirchhoff elastic rod model and using Newton method. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020(0), 1P2-J01, 2020

    J-STAGE 

  • Three dimensional cavity position and shape identification analysis based on hammering response waveform using the random tunneling algorithm  [in Japanese]

    YOSHIHARA Kenta , KURAHASHI Takahiko , MURAKAMI Yuki , TOYAMA Shigehiro , IKEDA Fujio , IYAMA Tetsuro , IHARA Ikuo

    … We present the position and shape identification analysis of a cavity using the displacement data assumed the hammering test. … To solve the cavity identification problem, the adjoint variable and the finite element methods are employed. … To obtain the optimal cavity position and shape, the random tunneling algorithm is applied. …

    The Proceedings of Conference of Hokuriku-Shinetsu Branch 2020.57(0), O031, 2020

    J-STAGE 

  • Shape optimization in thermal convection field based on the adjoint variable and the finite element methods  [in Japanese]

    AOKI Takashi , KURAHASHI Takahiko , KATAMINE Eiji

    … In this study, we present a shape identification analysis about the cooling efficiency of a heater based on the adjoint variable and the finite element methods. … Also, the shape gradient for this identification problem is derived by the first variation of the Lagrange function. … The traction method is an algorithm for non-parametric shape optimization problems, and the smooth shape can be obtained by using this method. …

    The Proceedings of Conference of Hokuriku-Shinetsu Branch 2020.57(0), N034, 2020

    J-STAGE 

  • WAVELET SCATTERING TRANSFORM OF BRIDGE ACCELERATION AND CLASSIFICATION OF TRAFFIC VEHICLES USING NEURAL NETWORKS  [in Japanese]

    TAKEYA Kouichi , SASAKI Eiichi

    <p>本研究は,橋梁の構造応答を利用して交通環境を分析するB-WIMベースの交通センシングの構築を目指し,ウェーブレット散乱変換による特徴抽出とニューラルネットワークを活用した交通車両の識別方法の提案を試みた.ウェーブレット散乱変換を用いた多層の畳み込み計算により,加速度の振動応答データから時間周波数情報である散乱係数を算出し特徴抽出を行った.限られた交通計測のデータからニューラルネッ …

    Intelligence, Informatics and Infrastructure 1(J1), 158-167, 2020

    J-STAGE 

  • Identification of neoantigens and development of antigen-specific immunotherapy  [in Japanese]

    SHINOHARA Shuichi , TAKAHASHI Yusuke , DEMACHI-OKAMURA Ayako , MATSUSHITA Hirokazu

    <p>ネオ抗原とは,がん細胞の体細胞変異に由来する変異タンパクであり,高い免疫原性を有する腫瘍特異的な標的分子である。ネオ抗原から生じるエピトープペプチドが,抗原提示細胞や腫瘍細胞上のMHCとの複合体としてT細胞に認識されることで,腫瘍特異的な免疫応答が誘導,活性化される。ネオ抗原は,①次世代シーケンサーによって網羅的に解析された遺伝子変異とmRNA発現の結果から抗原候補を絞りこみ,② …

    Rinsho Ketsueki 61(9), 1433-1439, 2020

    J-STAGE  Ichushi Web 

  • Identification of transient characteristics of leveling valve utilizing pneumatically controllable leveling rod (Proposal of a test method and an optimization algorithm using hybrid PSO/gradient method involving narrowing-down of definition area)  [in Japanese]

    HONDO Takatoshi

    … <p>This paper proposes an identification method for transient characteristic parameters of the leveling valve, especially focusing on the leveling valve which has a dead zone of flow rate and the time delay on starting supply/exhaust operation. … The proposed identification method is verified through numerical experiments and real vehicle experiments.</p> …

    Transactions of the JSME (in Japanese) 86(890), 20-00238-20-00238, 2020

    J-STAGE 

  • Application of The Random Tunneling Algorithm for Cavity Shape Identification Using Displacement Response Waveform in Hammering Test  [in Japanese]

    YOSHIHARA Kenta , SAKAI Kento , KURAHASHI Takahiko , MURAKAMI Yuki , TOYAMA Shigehiro , IKEDA Fujio , IYAMA Tetsuro , IHARA Ikuo

    … <p>In this paper, we present a shape identification of a cavity in a structure based on the finite element and the adjoint variable methods using the hammering testing data. … The random tunneling algorithm is introduced to obtain the optimal cavity shape. …

    Journal of the Society of Materials Science, Japan 69(10), 746-753, 2020

    J-STAGE 

  • Identification of Vibration Transfer Component by Combined Use of Transfer Path Analysis and Mutual Mean Compliance  [in Japanese]

    Nihara Takuya , TSUJIUCHI Nobutaka , ITO Akihito , MORI Yoshimune

    … Finally, we apply an element extraction algorithm with a bandwidth to this sensitivity to extract elements that can reduce the response of the target frequency band.</p> …

    The Proceedings of Conference of Kansai Branch 2020.95(0), 06_614, 2020

    J-STAGE 

  • De-identification for Transaction Data Secure against Re-identification Risk Based on Payment Records

    Ito Satoshi , Harada Reo , Kikuchi Hiroaki

    … <p>De-identification is a process to prevent revealing the identity of a person based on personal data of that individual including personal identification information. … In conventional de-identification studies, re-identification is a process used to identify individuals from <i>static</i> …

    Journal of Information Processing 28(0), 511-519, 2020

    J-STAGE 

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