Supported by the National Natural Science Foundation of China(60933008 and 61272300)
This paper presents a new kind of spline surfaces, named non-uniform algebraic- trigonometric T-spline surfaces (NUAT T-splines for short) of odd hi-degree. The NUAT T- spline surfaces are defined by applying the T-...
Supported by the National Natural Science Foundation of China(60933008,61272300 and 11226327);the Science&Technology Program of Shanghai Maritime University(20120099)
Non-uniform algebraic-trigonometric B-splines shares most of the properties as those of the usual polynomial B-splines. But they are not orthogonai. We construct an orthogonal basis for the n-order(n ≥ 3) algebraic...
supported by National Natural Science Foundation of China (Grant Nos. 61020106001,60933008,60903109,61170161);National Science & Technology Pillar Program in the Twelfth Five-year Plan Period (Grant No.2011BAD21B01);Technology Development Programe of Shandong Province (Grant Nos. 2008-GGB01814,2011GGB01193,2011GGB01138);Natural Science Foundation of Ludong University (Grant No.LY2010014)
Image segmentation is one of the most important problems in medical image processing,and the existence of partial volume effect and other phenomena makes the problem much more complex.Fuzzy C-means,as an effective too...
Project supported by the National Natural Science Foundation of China (Nos. 60970079,60933008,61100105,and 61100107);the Natural Science Foundation of Fujian Province of China (No.2011J05007);the National Defense Basic Scientific Research Program of China (No. B1420110155)
We introduce a kind of shape-adjustable spline curves defined over a non-uniform knot sequence.These curves not only have the many valued properties of the usual non-uniform B-spline curves,but also are shape adjustab...