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样条磨光的盈亏修正技术与图像反扩散恢复

DOI: 10.11834/jig.20010474

Keywords: 三阶B-样条,扩散平滑,盈亏修正,反扩散恢复,图象恢复,数据磨光,图像处理,计算机视觉

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Abstract:

以三阶B-样条作数据摩光时,引入盈亏修正可以在磨光的同时提高逼近原始数据的精度,通过从图象的平滑与恢复处理的角度出发来对盈亏修正技术进行评注,并进一步阐明了样条磨光与扩散平滑、盈亏修正与反扩散恢复在离散条件下的等价关系,给出了用于修正的更新迭代算子序列以及相应的偏差附数估计,并助指出了盈亏修正的简单迭代和更新迭代都是数值上绝对稳定的计算;最后讨论了盈亏修正技术在图象边缘探测中的适用性。

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