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基于Legendre正交矩的三维边界检测算子 被引量:1

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摘要 提出一种基于Legendre正交矩的新的三维边界检测算子。通过窗口计算,该算子可以用来检测三维物体的边界,并具有比一般其他算子更高的方向灵敏度和表面精度,同时具有明确的几何模型意义。计算量是采用矩算子时必须考虑的一个地方。通过预先计算模板,可以大大加速计算过程。我们通过光线跟踪方法将该算子应用于医学图像的绘制当中。结果表明,采用Legendre矩的三维边界检测算子,是一种位置方向计算精度较高的三维边界检测方法。
出处 《中国科学(G辑)》 CSCD 2003年第2期148-157,共10页
基金 国家自然科学基金(批准号:60272045) 国家教育部重点基金
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同被引文献16

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