Search Results 1-20 of 802

  • Real-time Rendering of Shadow Shapes Peculiar to Character Illustrations for Clothes Wrinkles  [in Japanese]

    青木 明優花 , 阿部 雅樹 , 渡辺 大地

    近年,コンピュータを用いてイラストを描く人が増加しており,ツールの機能向上と描画手法の発展からクオリティの高いイラストを仕上げることができるようになった.イラストのクオリティを上げる重要なポイントはいくつかあるが,そのポイントの1つに陰影がある.人物の姿勢や衣服の凹凸をふまえた陰影描写には独特の法則がある.キャラクタの陰影付けでは,様々なパーツに対して陰影付けを行うが,その中でも衣服は大部分を占め …

    情報処理学会論文誌デジタルコンテンツ(DCON) 9(1), 1-10, 2021-02-26

    IPSJ 

  • Extraction of landslide mass by deep learning using 3D topographical information ::Significance of topographic map representation as training data  [in Japanese]

    FURUKI Hirokazu

    <p> 高解像の3次元地形情報はオープンデータ化が進められており, その活用先の一つに地形判読への適用がある。土砂災害を引き起こす自然現象の一つとなる地すべり地形の判読作業は, 高解像度化された地形情報を用いて抽出精度が向上した一方で判読作業に負担が伴う側面がある。本研究では高解像度の地形情報を効率的に解析する手法として, 深層学習を地すべり地形判読に適用した。学習データには, 等高線 …

    Journal of the Japan Landslide Society 58(2), 65-72, 2021

    J-STAGE 

  • Vegetation succession seen from distribution of young trees in red pine forest of Sugadaira Highland  [in Japanese]

    Kakizaki Kenji

    <p><b>背景</b></p><p>森林内の微地形は土壌および水分環境に変化を与え,林地内植生の発芽から生育にまで影響することから,林分の植生遷移を理解するうえで非常に重要である。強風や枯損などで発生した倒木は森林地表に横たわり、腐朽する。森林の傾斜に沿って土砂が移動すると、次第に倒木の幹や根(マウンド)、倒伏によって根がえぐり取られた …

    Proceedings of the General Meeting of the Association of Japanese Geographers 2020a(0), 77, 2020

    J-STAGE 

  • Relationship between Measurement Errors in Myocardial T<sub>1</sub> Mapping and Heart Rate

    Amano Yasuo , Omori Yuko , Yanagisawa Fumi , Ando Chisato , Shinoda Naoki , Suzuki Yasuyuki , Yamamoto Hiroshi , Matsumoto Naoya

    … mapping and heart rate (HR) using a confidence map.</p><p>Methods: We enrolled 69 male patients with normal native T<sub>1</sub> … The degree of measurement errors in the septal myocardium was assessed by two independent observers on a confidence map using a 4-point scale: 0, no errors; … 1, errors located on the myocardial contour; … 2, errors extended into the myocardial contour; …

    Magnetic Resonance in Medical Sciences 19(4), 345-350, 2020

    J-STAGE 

  • DESIGN METHOD OF SEISMICALLY ISOLATED STRUCTURES BASED ON GENERALIZED RESPONSE SPECTRUM ANALYSIS  [in Japanese]

    TERAZAWA Yuki , SANO Wataru , TAKEUCHI Toru

    … range in application of Mod-GSM to keep the evaluation error within 30% is that the nonlinear coefficient NL is lower than 0.7.</p><p> 3) A design method of seismically isolated structures based on the contour map of GRSA is proposed and the efficiency is demonstrated using a series of the design examples.</p><p> 4) When additional dampers are distributed in supporting substructures below the isolated layer of mid-story isolated structures or seismically isolated roof structures, the horizontal …

    Journal of Structural and Construction Engineering (Transactions of AIJ) 85(775), 1187-1197, 2020

    J-STAGE 

  • Noise Suppression in Parallel Fluxgate Magnetometers by DC-Biased Excitation Method

    Oyama D. , Adachi Y. , Miyamoto M. , Ono N. , Imamura A. , Watanabe D.

    … Specifically, a contour map of the closed-loop noise is useful for understanding the noise decrease with different values of the amplitude and DC-bias. …

    Journal of the Magnetics Society of Japan 44(3), 79-86, 2020

    J-STAGE 

  • Siemens Application Software Supporting Targeted Chemoembolization  [in Japanese]

    Hamuro Masao , Yamamoto Akira , Takao Yoshinori , Ichida Takao , Miki Yukio

    … On the other hand, a major limitation of this software is considered to be its fixed shape as spheres to contour the targeting tumor.<BR>PBV is a software that can visualize the blood volume in organs as a color map. …

    The Official Journal of the Japanese Society of Interventional Radiology 34(4), 236-245, 2020

    J-STAGE  Ichushi Web 

  • ANALYSIS ON FLOWS THROUGH AND OVER A RUBBLE MOUND WEIR AND CLASSIFICATION OF FLOW REGIME  [in Japanese]

    MICHIOKU Kohji

    <p> 一次元解析により石積み堰における水位・流量の理論解が得られ,低水から高水に至るまでの範囲で出現する全ての流況が類型化された.(a) 水位が全区間にわたって堰より高く保たれ越流する場合(完全越流: Regime-S)から,(b) 上流区間では水位が堰より高いが堰区間の中央で流れが堰体に伏没する場合(部分越流: Regime-P),そして(c) 水位が堰より低く流れが堰体を伏流する …

    Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 76(1), 10-29, 2020

    J-STAGE 

  • Short-term prediction of speed contour map and travel time by matching similar spatiotemporal traffic patterns  [in Japanese]

    OGURA Taiki , YASUDA Shohei , IRYO Takamasa , MUKAI Risa

    <p><tt>高速道路におけるリアルタイムの交通状態予測から,ドライバーは混雑を避けるために出発時刻を選択することができる.近年では交通状態を観測する多様なデータの取得が可能になり,データドリブンな予測手法の開発が行われている.広域なネットワークにおける交通状態を観測するデータとして,</tt>Electronic Toll Collection System2 …

    JSTE Journal of Traffic Engineering 6(4), A_48-A_57, 2020

    J-STAGE 

  • Superpixel Segmentation Based on Global Similarity and Contour Region Transform

    LUO Bing , XIONG Junkai , XU Li , PEI Zheng

    … <p>This letter proposes a new superpixel segmentation algorithm based on global similarity and contour region transformation. … The basic idea is that pixels surrounded by the same contour are more likely to belong to the same object region, which could be easily clustered into the same superpixel. … To this end, we use contour scanning to estimate the global similarity between pixels and corresponded centers. …

    IEICE Transactions on Information and Systems E103.D(3), 716-719, 2020

    J-STAGE 

  • Proposal of Contour Line Model for High-Speed End Milling Simulation

    Nishida Isamu , Shirase Keiichi

    … <p>A contour line model for end milling simulation, which realizes high-speed arithmetic processing by reducing memory usage, is proposed. … In this model, a 3-dimensional shape can be expressed by superimposing the contour lines of the cross-sections obtained by dividing the workpiece along any axial direction. … Therefore, the memory usage is reduced compared to a Z-map model or a voxel model as the interior information of the object can be eliminated. …

    International Journal of Automation Technology 14(1), 38-45, 2020

    J-STAGE 

  • Investigation of Dynamic Characteristic of Instantaneous Center of Rotation Planet Gear based on the Sun Gear Speed Contour Map in Continuously Varying Transmission under Three-axis Driving of Planetary Gear Train  [in Japanese]

    中川 正夫 , 廣垣 俊樹 , 青山 栄一

    自動車技術 = Journal of Society of Automotive Engineers of Japan 73(4), 77-83, 2019-04

  • Short-term prediction of speed contour map by matching similar spatiotemporal traffic patterns  [in Japanese]

    小倉 大輝 , 安田 昌平 , 井料 隆雅 , 向井 梨紗

    交通工学研究発表会論文集 39, 415-421, 2019

  • A New Visualization Method Using Self-Organizing Map  [in Japanese]

    TAMURA Yoshiaki , MASUDA Masato

    … In this paper, we propose a new visualization method using self-organizing map (SOM) as a trial to visualize a flow feature with color contours. … Once we give physical values of every grid point to the SOM, it classifies the flow features into a square map. … We use the map as color map so that the color of a grid point is determined by the location where the SOM fires when giving the physical values of the point to the SOM. …

    The Proceedings of The Computational Mechanics Conference 2019.32(0), 272, 2019

    J-STAGE 

  • DEVELOPMENT OF SYSTEM FOR 3D ISOVIST GRAPH ANALYSIS  [in Japanese]

    MIYAZAKI Shinya

    … These influences which are shown in MSD have been instinctively expected using such as contour models and computer graphics in practical campus design field. …

    Journal of Architecture and Planning (Transactions of AIJ) 84(765), 2369-2377, 2019

    J-STAGE 

  • <i>In-Situ</i> Electric Field Observation of Small Precipitates in BaTiO<sub>3</sub> Multilayer Ceramic Capacitors

    Kawamoto Naoyuki , Ono Hiroyuki , Terasaki Yasuhiro , Fujikawa Yoshinori , Murakami Yasukazu , Shindo Daisuke

    … We demonstrated that equipotential contour lines present essential information about the electrical conductivity of submicrometer-scale precipitates formed in commercial BaTiO<sub>3</sub> … Considerable changes observed in the equipotential contour map of precipitates could be explained by simulations taking into account the electrical conductivities of the precipitates and BaTiO<sub>3</sub> …

    MATERIALS TRANSACTIONS 60(10), 2109-2113, 2019

    J-STAGE 

  • Relationship between Shape and Spacing of Convex Points and Roughness Sensation in Dot Pattern Texture  [in Japanese]

    AIZAWA Junpei , KAMIJO Masayoshi

    … As a result of the experiment, as the dot curvature is larger (smaller), the smaller (larger) dot spacing is selected, and a contour map of roughness sensation is created on these two dimensional planes. …

    Transactions of Japan Society of Kansei Engineering 18(3), 171-178, 2019

    J-STAGE 

  • Analysis of Interference between Each Port in Triple Active Bridge Converter  [in Japanese]

    Ohno Takanobu , Kakomura Kengo , Hoshi Nobukazu

    … This paper proposes an evaluation method of the interference using a current contour map and the trajectory on a phase plane. … As a result, it was shown that the interference intensity is decided depending on the direction of the reference value on the contour map.</p> …

    IEEJ Transactions on Industry Applications 139(3), 232-238, 2019

    J-STAGE 

  • Creation of a distribution map, contour map, and list of rock samples present in the rock garden at Junior High School of Yamagata University as teaching material  [in Japanese]

    大友 幸子 , 八木 浩司 , 土井 正路 , 土門 直子

    山形大学紀要. 教育科学 = BULLETIN OF YAMAGATA UNIVERSITY. EDUCATIONAL SCIENCE 17(1), 1-26, 2018-02-28

    IR  DOI 

  • Visualization Measurement of a Turbulent Air Jet Using Fluid Velocity-Field Scanner  [in Japanese]

    IWATA Miyu , SUGIYAMA Shuhei , HOURA Tomoya , HATTORI Hirofumi , TAGAWA Masato

    … Moving- and ensemble-average techniques are applied to the instantaneous velocity signals of the ten hot-wires to obtain the representative values on the virtual grid points for drawing a contour map of mean-velocity profile, which can be regarded as the two-dimensional time-mean velocity distribution measured by a normal hot-wire probe. …

    The Proceedings of Mechanical Engineering Congress, Japan 2018(0), J0520105, 2018

    J-STAGE 

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