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A Dimension Reduction Subdivision Scheme Based on Proper Parameterization

A Dimension Reduction Subdivision Scheme Based on Proper Parameterization
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摘要 In our previous work, we have given an algorithm for segmenting a simplex in the n-dimensional space into rt n+ 1 polyhedrons and provided map F which maps the n-dimensional unit cube to these polyhedrons. In this paper, we prove that the map F is a one to one correspondence at least in lower dimensional spaces (n _〈 3). Moreover, we propose the approximating subdivision and the interpolatory subdivision schemes and the estimation of computational complexity for triangular Bézier patches on a 2-dimensional space. Finally, we compare our schemes with Goldman's in computational complexity and speed. In our previous work, we have given an algorithm for segmenting a simplex in the n-dimensional space into rt n+ 1 polyhedrons and provided map F which maps the n-dimensional unit cube to these polyhedrons. In this paper, we prove that the map F is a one to one correspondence at least in lower dimensional spaces (n _〈 3). Moreover, we propose the approximating subdivision and the interpolatory subdivision schemes and the estimation of computational complexity for triangular Bézier patches on a 2-dimensional space. Finally, we compare our schemes with Goldman's in computational complexity and speed.
出处 《Northeastern Mathematical Journal》 CSCD 2008年第1期35-44,共10页 东北数学(英文版)
关键词 SUBDIVISION dimension reduction proper parameterization subdivision, dimension reduction, proper parameterization
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