在常用的方法中，基于区域灰度平均的算法使图像模糊，而基于样条插值的算法计算耗时。
In the common methods, the algorithm based on the average of region gray makes image blur, and the algorithm based on spline interpolation wastes time.
针对地形灰度图像，给出一种抑制噪声模糊的图像预处理方法和改进的地形粗糙度提取算法。
For terrain gray images, a pretreatment methodology for restraining noise and blurriness and an improved algorithm for extracting terrain roughness are given.
该文提出了一种通过最大化二维直方图模糊划分熵分割灰度图像的新算法。
In this paper a novel method is presented to segment gray level image through maximizing the fuzzy partition entropy of two-dimensional histogram.
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