Search Results 1-20 of 22

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  • A research on application of inverse estimation by Gaussian process regression to computer experiments

    Nagashima Mio , Yamada Shu

    … <p>In computer experiments, we often collect sample data by space filling designs, and analyze relationship between response and factors using Gaussian process regression. … In inverse estimation problem, there is a need to evaluate the effectiveness of the combination of space filling design and Gaussian process regression. …

    Total Quality Science 6(1), 34-42, 2021

    J-STAGE 

  • Development of computational mechanics method to realize origami transport box which safely transport blood and cells for medical use  [in Japanese]

    ABE Aya , Terada Kosuke , Yashiro Haruki , Hagiwara Ichiro

    … By using this function, we will discuss the ideal transport box design method unique to the origami structure, which solves the problem of low survival rate after transport, such as blood and iPS cells.</p> …

    The Proceedings of The Computational Mechanics Conference 2018.31(0), 065, 2018

    J-STAGE 

  • Placement Technique of Measurement Points for Inverse Acoustic Analysis Using Space Filling Design  [in Japanese]

    OSHIMA Hiroko , Hela LADIN Hilmi Bin , AKEI Masahiro , ITO Akihito , TSUJIUCHI Nobutaka , KOIZUMI Takayuki

    … </b>problem. … </b>measurement points' placement technique based on the space filling design. … The placement of the measurement points with the space filling has the following merits; … placement with the space filling design and the measurement points' …

    JOURNAL OF JAPAN SOCIETY FOR DESIGN ENGINEERING 51(9), 644-658, 2016

    J-STAGE 

  • Examples of Mathematical Modeling Situations for High School Students: A Note on the "Modeling Challenge Program"  [in Japanese]

    INABA Yoshinari , KAWASAKI Tetsushi , KISE Masatoshi , YANAGIMOTO Akira

    … The first one is related to the "vote-value disparity and political districting problem" and the second one is related to an "expanding sphere problem." In this program several high school students attempted to solve the above problems and experienced the mathematical modeling. …

    Journal of Science Education in Japan 40(2), 186-197, 2016

    J-STAGE 

  • Impulse Noise Removal by Using One-dimensional Switching Median Filter Applied along MST-based Space-filling Curve  [in Japanese]

    KOGA Takanori , SUETAKE Noriaki , KATO Tsuyoshi , UCHINO Eiji

    スイッチングメディアンフィルタは,画像中のエッジを保存したまま,画像に重畳したインパルスノイズを除去することができる.このフィルタでは,初めにノイズが重畳した画素を検出するが,どのような画像に対してもその検出機構が常に良好に働くとは言えない.特に,ノイズが重畳した画素として画像中の細線構造などが誤検出される傾向にあり,誤検出された画素に不必要なフィルタリングが施されることによって画質が劣化する.こ …

    電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 113(202), 27-32, 2013-09-12

  • Evaluation of Space Filling Curves for Lower-Dimensional Transformation of Image Histogram Sequences

    LEE Jeonggon , KIM Bum-Soo , CHOI Mi-Jung , MOON Yang-Sae

    … represent high-dimensional time-series converted from images by space filling curves (SFCs). … In this paper we attack a challenging problem of evaluating which SFC shows the better performance when we apply the lower-dimensional transformation to histogram sequences. …

    IEICE Transactions on Information and Systems E96.D(10), 2277-2281, 2013

    J-STAGE 

  • An N-Dimensional Pseudo-Hilbert Scan for Arbitrarily-Sized Hypercuboids

    ZHANG Jian , KAMATA Sei-ichiro

    … The <i>N</i>-dimensional (<i>N</i>-D) Hilbert curve is a one-to-one mapping between <i>N</i>-D space and one-dimensional (1-D) space. … We believe that this novel scan technique undoubtedly leads to many new applications in those areas can benefit from reducing the dimensionality of the problem. …

    IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 91(3), 846-858, 2008-03-01

    J-STAGE  References (22) Cited by (1)

  • Containerization Scheme for Multidimensional Data on Secondary Storage  [in Japanese]

    SHIMADA Teppei , TSUJI Tatsuo , HIGUCHI Ken

    多次元データベース等で扱われる多次元データを格納する多次元配列は通常,疎配列になる.またこの多次元配列は,集約演算や検索において,アクセス速度が配列要素のアクセスされた次元に依存するという次元依存性の問題がある.本論文では,チャンクの概念を導入したZ順序等の空間充填曲線に基づいて,これらの問題を解消すると同時に高い圧総効果を実現する多次元データのコンテナ化アルゴリズムを提案し,評価する.

    IEICE technical report 107(131), 429-434, 2007-07-02

    References (6)

  • Containerization Scheme for Multidimensional Data on Secondary Storage  [in Japanese]

    SHIMADA Teppei , TSUJI Tatsuo , HIGUCHI Ken

    多次元データベース等で扱われる多次元データを格納する多次元配列は通常,疎配列になる.またこの多次元配列は,集約演算や検索において,アクセス速度が配列要素のアクセスされた次元に依存するという次元依存性の問題がある.本論文では,チャンクの概念を導入したZ順序等の空間充填曲線に基づいて,これらの問題を解消すると同時に高い圧総効果を実現する多次元データのコンテナ化アルゴリズムを提案し,評価する.

    IPSJ SIG Notes 143, 429-434, 2007-07-02

    References (6)

  • DFSS and Robust Optimization Tool for Multibody System with Random Variables

    KIM Min-Soo , CHO HuiJe , LEE Soon-Geul , CHOI Jinhwan , BAE DaeSung

    … In this approach, first, the space filling methods and the classical DOE methods are used to generate sampling points. … Finally, a well-developed numerical optimizer sequentially solves the approximate optimization problem. … In the numerical test, the DFSS for the paper feeding mechanism problem, having 8-random design variables, is solved in only 23 analyses. …

    Journal of System Design and Dynamics 1(3), 583-592, 2007

    J-STAGE 

  • A Generalized Hilbert Scan in Three-dimensional Space

    ZHANG Jian , KAMATA Sei-ichiro

    … The three-dimensional Hilbert curve is a one-to-one mapping between three-dimensional (3-D) space and one-dimensional (1-D) space. … Although the proposed algorithm is 3-D case, it is also feasible in 2-D space. … We believe this novel scan technique undoubtedly leads to many new applications in those areas which can benefit from reducing the dimensionality of the problem. …

    IEICE technical report 106(397), 35-39, 2006-11-23

    References (8)

  • Tabu Search for Resource Constrained Project Scheduling Problems

    Tamura Shinichi , Miwa Go , Nakashima Yasumasa , Tanino Tetsuzo , Tatsumi Keiji

    … Sheduling Problem;RCPSP)について考察する.RCPSP はNP困難な問題であるため,現実的な時間で厳密解を見つけることのできるメタヒューリスティック解法を適用することが考えられてきた.本研究では,メタヒューリスティック解法の中でも特に有効であるタブーサーチを用いたRCPSP解法として,トータルフロートに着目したCATS(Critical Activity based Tabu Search)とスケジュール空白領域に着目したSFTS(Space

    Proceedings of the Annual Conference of the Institute of Systems, Control and Information Engineers SCI04(0), 11-11, 2004

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  • Image Encryption Scheme Based on a Truncated Baker Transformation

    YANO Kenji , NAKATA Kiyoshi

    … In order to solve this problem we introduce Peano space-filling curve in this scheme, which remarkably reduce the keysize and mapping iterations without deteriorating good shuffling properties attained by this scheme. …

    IEICE Trans. Fundamentals 85(9), 2025-2035, 2002-09-01

    References (22) Cited by (1)

  • A Layout Technique for Multiple Floor Layout Problem Considering the Area of an Elevator  [in Japanese]

    INOUE Takanari , MATSUZAKI Kenichiro , YOSHIMOTO Kazuho , SESSOMBOON Weerapat

    … We considered about the area of elevator inside the facility and several kinds of vertical transportation equipment, draw up the approximate optimum layout by Space Filling Curve, examine the possibility about the layout in practice consideration about timing of production, and suggest more realistic multiple floor layout algorithm. …

    Transactions of the Japan Society of Mechanical Engineers. Series C. 00067(00658), 2083-2089, 2001-06-25

    References (8) Cited by (1)

  • An improvement of the space filling curve method and its effect  [in Japanese]

    TSUYA Atsushi , TANAKA Atsushi

    巡回セールスマン問題において高速に解を求めることを第一に要求される場合、空間充填曲線法を用いるのがよいとされている。しかしこの方法を使う場合、与えられた都市分布に対して最適な空間充填曲線をその繰り込み回数も含めて選択することは、数学的にも困難な作業である。また各都市に最近接の曲線上の点を選ぶという作業中、多くの時間がかかり実用的ではない。本論文では、そのような問題点を解消する手法を提案し、その効果 …

    IEICE technical report. Nonlinear problems 101(68), 75-82, 2001-05-15

    References (3)

  • A Layout Technique for Multiple Floor Layout Problem Considering the Ares of on Elevator  [in Japanese]

    INOUE Tokanori , MATSUZAKI Kenichiro , YOSHIMOTO Kazuho , SESSOMBOON Weerapat

    … We considered about the area of elevator inside the facility and several kinds of vertical transportation equipment, draw up the approximate optimum layout by Space Filling Curve, examine the possibility about the layout in practice consideration about timing of production, and suggest more realistic multiple floor layout algorithm. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 67(658), 2083-2089, 2001

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  • Digital Halftoning Algorithms Based on Optimization Criteria and Their Experimental Evaluation

    ASANO Tetsuo , RANJAN Desh , ROOS Thomas

    … A great number of algorithms have been presented for this problem, some of which have only been evaluated just by comparison with human eyes. … In this paper we formulate the digital halftoning problem as a combinatorial problem which allows an exact so1ution with graph-theoretic tools. …

    IEICE Trans. Fundamentals 79(4), 524-532, 1996-04-25

    References (7) Cited by (6)

  • The Euclidean Traveling Salesman Problem and a Space-Filling Curve

    NORMAN M. G.

    Chaos, Solitons and Fractals 6, 389-397, 1995

    DOI  Cited by (2)

  • A New Space Filling Curve for the Layout Problem which Treat Unequal Departments Shapes and Areas  [in Japanese]

    Irohara Takashi , Wu Wen-Hung , Yoshimoto Kazuho

    … A Space Filling Curve (SFC) has been proposed, which allows for exchange among departments and offers increased flexibility to the optimization process, as a facility layout technique which can treat any departments of unequal area. …

    Transactions of the Japan Society of Mechanical Engineers. Series C. 60(577), p3226-3232, 1994-09

    Cited by (2)

  • A New Space Filling Curve for the Layout Problem which Treat Unequal Departments Shapes and Areas.  [in Japanese]

    Irohara Takashi , Wu Wen-Hung , Yoshimoto Kazuho

    … A Space Filling Curve (SFC) has been proposed, which allows for exchange among departments and offers increased flexibility to the optimization process, as a facility layout technique which can treat any departments of unequal area. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 60(577), 3226-3232, 1994

    J-STAGE 

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