Search Results 1-20 of 314

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THE DESIGN PROCESS OF YONAGO PUBLIC HALL BY T. MURANO-MORI ARCHITECT OFFICE:A reconstruction of formal manipulations through morphological analysis on design sketches and drawings [in Japanese]

TOMIOKA Yoshito , FURUTA Kaho , TABATA Chikako

… The idea of transformability (potential transformation possibility which the designer thought at design) was proposed and explained which may appear as simultaneous formal variation or sequential formal changes. 4. … shows geometric adaptation and detailing attempt to finalize the schematic design as see in Fig. 9. …

Journal of Architecture and Planning (Transactions of AIJ) (772), 1335-1345, 2020-06

J-STAGE AIJ
2

Geometric Shape and Local Placement Analysis According to IFC Data of Building Elements : A Case Study on a Sloped Wall [in Japanese]

許雷 , 足達嘉信

空気調和・衛生工学会論文集 (275), 17-23, 2020-02
3

A Modification of Geometric Error Model of Five-axis Machine Tools with the Consideration of Workpiece Coordinate System

Li Zongze , Sato Ryuta , Shirase Keiichi , Sakamoto Shigehiko

… The five-axis machine tools have been increasingly used among all fields of manufacturing, and the research related to geometric errors is the most non-negligible subject of five-axis machining accuracy. … According to the shape generation theory, the geometric error model is established through the D-H matrix of each geometric error to achieve the coordinate transformation. …

Proceedings of JSPE Semestrial Meeting 2020S(0), 54-55, 2020

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4

Projection mapping system using the same image projection from distributed projectors [in Japanese]

Nagano Yoshitaka , Sugimori Junko

… Our projection mapping system uses FPGA for geometric transformation. …

PROCEEDINGS OF THE ANNUAL CONFERENCE OF JSSD 67(0), 142, 2020

J-STAGE
5

Tendon placement generation rules for folding transformation into multiple shapes [in Japanese]

TSUBOI Riko , MORITA Toshio

… The purpose of this research is to suggest tendon placement generation rules for folding transformation into multiple shapes. … As a method to propose how to generate tendon placement, a method combining trial production, geometric interpretation, and algorithm development was used. …

Transactions of the JSME (in Japanese) 86(887), 19-00147-19-00147, 2020

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6

Verification of an Efficient Monte Carlo Model that Interchanges the Geometric Shapes of Plane Source and Detector in Radiation Transport Calculation

OMORI Toshiaki , KATO Shinsuke

… This transformation was verified by comparing the calculation results with the theoretical values only for the primary (unscattered) photons. … It is desirable to confirm the validity of the transformation for both unscattered and scattered photons. … The extension of the transformation to a finite plane source has not been verified yet. …

Japanese Journal of Health Physics 55(1), 40-45, 2020

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7

Operator Algebras Associated with Quantized Canonical Transformations (Symmetry and Singularity of Geometric Structures and Differential Equations)

Savin Anton , Schrohe Elmar

We review an approach to the index theory of operator algebras associated with Lie groups of quantized canonical transformations. Main points are an ellipticity condition ensuring the Fredholm propert …

数理解析研究所講究録 = RIMS Kokyuroku (2137), 140-153, 2019-12

IR
8

Efficient Image Registration for Underwater Optical Mapping Using Geometric Invariants

Elibol Armagan , Chong Nak Young

… Probabilistic methods are then applied to remove outliers and to find the transformation (motion) between images. … In this paper, an efficient way of integrating geometric invariants into feature-based image registration is presented aiming at improving the performance of image registration in terms of both computational time and accuracy. …

Journal of Marine Science and Engineering 7(6), 178, 2019-06-05

IR
9

Development and evaluation of a jaw-tracking system for mice: reconstruction of three-dimensional movement trajectories on an arbitrary point on the mandible

Moriuchi Emi , Hamanaka Ryo , Koga Yoshiyuki , Fujishita Ayumi , Yoshimi Tomoko , Yasuda Go , Kohara Haruka , Yoshida Noriaki

… Then, the jaw movement trajectory on the certain anatomical point was reproduced by integrating the kinematic data of the jaw movements with the geometric data of the mandible. … Conclusions: The proposed system can reproduce and visualize the movements of internal anatomical points such as condylar points precisely by combining kinematic data with geometric data. …

BioMedical Engineering OnLine 18(1), 59, 2019-05-16

IR
10

A Novel Weight-Shared Multi-Stage CNN for Scale Robustness

Takahashi Ryo , Matsubara Takashi , Uehara Kuniaki

… However, CNNs have a limited robustness to other geometric transformations such as scaling and rotation. … This paper focuses on scale transformation and proposes a network architecture called the weight-shared multi-stage network (WSMS-Net), which consists of multiple stages of CNNs. …

IEEE Transactions on Circuits and Systems for Video Technology 29(4), 1090-1101, 2019-04

IR
11

Mismatched image identification using histogram of loop closure error for feature-based optical mapping

Elibol Armagan , Chong Nak-Young , Shim Hyunjung , Kim Jinwhan , Gracias Nuno , Garcia Rafael

… Robust methods (such as Random Sample Consensus (RANSAC)) are employed to eliminate outliers and compute the geometric transformation between the coordinate frames of images, typically a homography when the images contain views of a flat area. …

International Journal of Intelligent Robotics and Applications 3(2), 196-206, 2019-03-26

IR
12

Dewarping using region division of document image by FCN [in Japanese]

林揚彬 , 王旭 , 阿部雅樹 , 渡辺大地

映像情報メディア学会技術報告 = ITE technical report 43(9), 13-16, 2019-03
13

Information Obtained by a Gas Pipe Exploration Robot [in Japanese]

SUGITA Ai , OHYA Jun , XU Rong , TAKANISHI Atsuo , ISHII Hiroyuki

… The proposed method applies, as a first step, geometric transformation to each frame of the video images, and , as a second step, estimates the distance the robot goes straight using the geometric transformation. …

Reports of the Technical Conference of the Institute of Image Electronics Engineers of Japan 18.03(0), 14-21, 2019

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14

Visualization of deformation-induced transformation and fracture behavior of ferritic/austenitic steel with 3D/4D imaging [in Japanese]

HIRAYAMA Kyosuke , IZUMIDA Kyosuke , TODA Hiroyuki , TAKEDA Kengo , HAYASHI Kunio , UESUGI Kentaro , TAKEUCHI Akihisa

… The fracture behavior of ferritic/austenitic steel is closely related the deformation-induced transformation of retained austenite phase to martensite. … In this study, it is conducted that visualization of deformation-induced transformation and fracture behavior of ferritic/austenitic steel with 3D/4D imaging in SPring-8. … Therefore, it was found that the transformation behavior is inhomogeneous. …

The Proceedings of the Materials and Mechanics Conference 2019(0), OS1610, 2019

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15

Measurement of Three-dimensional Trajectory of Ball in Flight and Estimation of Its Aerodynamic Coefficients [in Japanese]

MIURA Takumi , MORIMURA Kazuma , TSUBOI Kazuhiro , UMEDU Nobuyuki

… The Hough transformation is employed in circle detection, by which the center position and the radius of a ball in screen coordinates system can be obtained. … We also formulate the aerodynamic coefficients as the function of geometric quantities in ball trajectory. …

The Proceedings of the Symposium on sports and human dynamics 2019(0), B-34, 2019

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16

Derivation of theoretical surface of action and tooth flank of face gear from force equilibrium conditions [in Japanese]

IKEBUKURO Satoshi , INOUE Tetsuo

… Face gear theoretical tooth flank can be derived from geometric method as element removal method and coordinate transformation of pinion gear surface. …

The Proceedings of Mechanical Engineering Congress, Japan 2019(0), S11203, 2019

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17

垂直方向の工具主軸を有する複合加工機の幾何精度同定方法 [in Japanese]

Nishizawa Keisuke , Yao Yan , Kato Noriyuki , Tsutsumi Masaomi , Nakamoto Keiichi

複合加工機に固有の10個の幾何誤差を考慮した数学モデルを構築し、同時3軸運動のシミュレーションを行い、得られた軌跡の偏心量と幾何誤差との間には一定の関係式が成り立ち、工具主軸を回転軸とする同時3軸運動では、ボールバーの球の影響が現れるが、直交座標系で測定することでその問題が発生しないことを明らかにした。直交座標系の直角度を含めて13個の幾何偏差を同定する手順を提案し，妥当性を確認 …

Proceedings of JSPE Semestrial Meeting 2019A(0), 496-497, 2019

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18

IDENTIFYING THE IMPACT OF SHAPE IN ASSEMBLY OF AN “EASY-TO-UNDERSTAND” INTERLOCKING JOINT CUBE PUZZLE

JIANG Peng , WONGWICHAI Thongthai , YANPANYANON Sakeson , TANAKA Takamitsu

… To this end, we added separate geometric and curve-shaped options to a joint-cube puzzle. … The results indicated that adding geometric or curve characteristics to joint puzzles can reduce both visual interference and assembly duration. … Further, we also found that geometric shape characteristics had a lower error rate while curve-shaped characteristics were associated with reduced assembly time. …

Journal of the Science of Design 3(2), 2_21-2_28, 2019

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19

Efficient Approximate 3-Dimensional Point Set Matching Using Root-Mean-Square Deviation Score

SASAKI Yoichi , SHIBUYA Tetsuo , ITO Kimihito , ARIMURA Hiroki

In this paper, we study the approximate point set matching (APSM) problem with minimum RMSD score under translation, rotation, and one-to-one correspondence in d-dimension. …

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E102.A(9), 1159-1170, 2019

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20

Rectifying Transformation Networks for Transformation-Invariant Representations with Power Law

FAN Chunxiao , LI Yang , TIAN Lei , LI Yong

… This letter proposes a representation learning framework of convolutional neural networks (Convnets) that aims to rectify and improve the feature representations learned by existing transformation-invariant methods. … The reason is that the operations of convolution and geometric transformation are not exchangeable in most cases and so exchanging the two operations will yield the transformation error. …

IEICE Transactions on Information and Systems E102.D(3), 675-679, 2019

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