The Research of the Approximate Algorithm Based on Cubic B-spline Curves

B-Spline curves are very flexible; it overcomes lots of shortcomings of Bezier curves. It is of great value in practical applications. This thesis is based on the approximate algorithm offered by literature [1]. In this paper, we promote the algorithm in literature [1] to the cubic B-Spline curve approximate fields which is based on the double quadratic B-Spline curves. With this paper's algorithm, it can not only avoid the disadvantage of the traditional interpolation algorithms and the approximate algorithms but also combine the advantage of the traditional interpolation algorithms and the approximate algorithms.