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网格简化中基于特征矩阵的二次误差测度算法

陈伟海 徐鲤鸿 刘敬猛 王建华

陈伟海, 徐鲤鸿, 刘敬猛, 等 . 网格简化中基于特征矩阵的二次误差测度算法[J]. 北京航空航天大学学报, 2009, 35(5): 572-575.
引用本文: 陈伟海, 徐鲤鸿, 刘敬猛, 等 . 网格简化中基于特征矩阵的二次误差测度算法[J]. 北京航空航天大学学报, 2009, 35(5): 572-575.
Chen Weihai, Xu Lihong, Liu Jingmeng, et al. Quadric error metrics for mesh simplification based on feature matrix[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(5): 572-575. (in Chinese)
Citation: Chen Weihai, Xu Lihong, Liu Jingmeng, et al. Quadric error metrics for mesh simplification based on feature matrix[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(5): 572-575. (in Chinese)

网格简化中基于特征矩阵的二次误差测度算法

基金项目: 国家863计划资助项目(2006AA04Z218)(2008AA04Z210); 国家自然科学基金资助项目(60775059)
详细信息
    作者简介:

    陈伟海(1955-),男,浙江象山人,教授,whchenbuaa@126.com.

  • 中图分类号: TP 391

Quadric error metrics for mesh simplification based on feature matrix

  • 摘要: 针对二次误差测度算法存在尖端特征消失、局部过度简化等缺陷,提出了基于特征矩阵的二次误差测度算法用于网格简化.通过将顶点曲率和边长引进该特征矩阵以优化误差度量,模型中各顶点便易于区分,于是具有明显几何特征区域的顶点误差度量能够被提高.这样,边折叠的顺序可以方便的得到调整,使得模型中的突出特征更多的被保留下来.仿真结果表明,本算法在保持了二次误差测度算法计算时间短、运行效率高的同时,也克服了网格分布过于均匀、无法突出模型重要特征的缺点.

     

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出版历程
  • 收稿日期:  2008-08-10
  • 刊出日期:  2009-05-31

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