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New cubic timmer triangular patches with C1 and G1 continuity

Ali, F.A.M. and Karim, S.A.A. and Dass, S.C. and Skala, V. and Saaban, A. and Hasan, M.K. and Hashim, I. (2019) New cubic timmer triangular patches with C1 and G1 continuity. Jurnal Teknologi, 81 (6). pp. 1-11.

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

In this study, a new cubic Timmer triangular patch is constructed by extending the univariate cubic Timmer basis functions. The best scheme that lies towards the control polygon is cubic Timmer curve and surface compared to the other methods. From the best of our knowledge, nobody has extended the univariate cubic Timmer basis to the bivariate triangular patch. The construction of the proposed cubic Timmer triangular patch is based on the main idea of the cubic Ball and cubic Bezier triangular patches construction. Some properties of the new cubic Timmer triangular patch are investigated. Furthermore, the composite cubic Timmer triangular patches with parametric continuity (C1) and geometric continuity (G1) are discussed. Simple error analysis between the triangular patches and one test function is provided for each continuity type. Numerical and graphical results are presented by using Mathematica and MATLAB. Results show that cubic Timmer triangular patches produces estimated result with less RMSE compared to B�zier patches relatively by 2.01 to 7.80. These results are significant in producing high accuracy for image and surface reconstruction. © 2019 Penerbit UTM Press. All rights reserved.

Item Type:Article
Impact Factor:cited By 2
ID Code:24867
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:27 Aug 2021 08:44
Last Modified:27 Aug 2021 08:44

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