国家自然科学基金(61100105)

作品数:6被引量:16H指数:2
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相关作者:曹娟陈中贵胡建伟更多>>
相关机构:厦门大学黄山学院更多>>
相关期刊:《计算机辅助设计与图形学学报》《计算机应用研究》《Applied Mathematics(A Journal of Chinese Universities)》更多>>
相关主题:测地距离FASTVORONOI图马赛克迭代更多>>
相关领域:自动化与计算机技术理学更多>>
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基于参考图像的彩墨画快速渲染法被引量:2
《计算机应用研究》2016年第2期632-635,640,共5页胡建伟 曹娟 
国家自然科学基金资助项目(61100105);黄山学院自然科学研究资助项目(2011xkjq003);安徽省高校优秀青年人才支持计划重点项目(gxyq ZD2016303)
通过对彩墨画创作过程的模拟,提出一种基于参考图像的彩墨画快速渲染算法。其模拟过程分为铺底模拟和细节刻画两个阶段。在铺底阶段,利用平均曲率流与冲击滤波的组合对图像进行细节简化,并通过对颜色空间的截取和拉伸数字模拟彩墨画的...
关键词:彩墨画模拟 平均曲率流 冲击滤波 PatchMatch 随机扩散 边界处理 
A New Shape Adjustment Method of S-λ Curve被引量:1
《Computer Aided Drafting,Design and Manufacturing》2014年第4期39-43,共5页CHEN Shu-ni ZHAO Chong ZENG Xiao-ming 
Supported by National Natural Science Foundation of China(No.61170324 and No.61100105)
In this paper, we study a new method in shape adjustment ofS-λcurves. By examples of finite and infinite degree generation function, we get the conclusion thatS-λcurves can be adjusted by perturbation of generation ...
关键词:S-λ curve PERTURBATION generation function 
Adaptive Face Recognition via Structed Representation
《Computer Aided Drafting,Design and Manufacturing》2014年第3期6-12,共7页ZHANG Yu-hua ZENG Xiao-ming 
Supported by National Natural Science Foundation of China(No.61170324 and No.61100105)
In this paper, we propose a face recognition approach-Structed Sparse Representation-based classification when the measurement of the test sample is less than the number training samples of each subject. When this con...
关键词:face recognition stmcted representation sparse representation adaptive method orthogonal matching pursuit 
特征保持的马赛克图像生成方法被引量:6
《计算机辅助设计与图形学学报》2014年第4期520-527,共8页陈中贵 欧阳永昇 曹娟 
国家自然科学基金(61100107,61100105);福建省自然科学基金(2011J05007,2012J01291)
马赛克图像是一种非真实感的渲染效果,主要通过组合不同形状、颜色的嵌片合成目标图像.基于测地距离度量下的Voronoi图结构,提出一种保特征的自适应马赛克图像生成方法.首先利用特征算子自动提取出源图像中的特征线,并根据这些特征线定...
关键词:马赛克 测地距离 FAST marching算法 VORONOI图 Lloyd迭代 
Best bounds on the distance between 3-direction quartic box spline surface and its control net被引量:2
《Applied Mathematics(A Journal of Chinese Universities)》2013年第2期147-157,共11页ZENG Xiao-ming ZHOU Guo-rong YANG Lian-qiang 
Supported by the National Natural Science Foundation of China (61170324 and 61100105)
We present the best bounds on the distance between 3-direction quartic box spline surface patch and its control net by means of analysis and computing for the basis functions of 3-direction quartic box spline surface....
关键词:Box spline BOUND parametric surface basis function differences of control point. 
Non-uniform B-spline curves with multiple shape parameters被引量:5
《Journal of Zhejiang University-Science C(Computers and Electronics)》2011年第10期800-808,共9页Juan CAO Guo-zhao WANG 
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...
关键词:Non-uniform B-spline Shape parameter Degree elevation 
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