New cubic timmer triangular patches with C1 and G1 continuity

Fatin Amani Mohd Ali, Samsul Ariffin Abdul Karim, Sarat Chandra Dass, Vaclav Skala, Azizan Saaban, Mohammad Khatim Hasan, Ishak Hashim

Research output: Contribution to journalArticle

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 Bѐzier patches relatively by 2.01% to 7.80%. These results are significant in producing high accuracy for image and surface reconstruction.

Original languageEnglish
Pages (from-to)1-11
Number of pages11
JournalJurnal Teknologi
Volume81
Issue number6
DOIs
Publication statusPublished - Nov 2019

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Surface reconstruction
Image reconstruction
Error analysis
MATLAB
Composite materials

Keywords

  • Cubic Timmer curve
  • Cubic Timmer triangular patch
  • Geometric continuity
  • Parametric continuity
  • Scattered

ASJC Scopus subject areas

  • Engineering(all)

Cite this

New cubic timmer triangular patches with C1 and G1 continuity. / Ali, Fatin Amani Mohd; Karim, Samsul Ariffin Abdul; Dass, Sarat Chandra; Skala, Vaclav; Saaban, Azizan; Hasan, Mohammad Khatim; Hashim, Ishak.

In: Jurnal Teknologi, Vol. 81, No. 6, 11.2019, p. 1-11.

Research output: Contribution to journalArticle

Ali, Fatin Amani Mohd ; Karim, Samsul Ariffin Abdul ; Dass, Sarat Chandra ; Skala, Vaclav ; Saaban, Azizan ; Hasan, Mohammad Khatim ; Hashim, Ishak. / New cubic timmer triangular patches with C1 and G1 continuity. In: Jurnal Teknologi. 2019 ; Vol. 81, No. 6. pp. 1-11.
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