首先讨论了图像阈值分割的两种方法：全局阈值图像分割和动态阈值图像分割。
The paper firstly discussed two ways for image segmentation:image segmentation by global threshold and image segmentation by dynamic threshold.
它利用局部空间阈值适度调整全局统计最优阈值，因而其分割阈值是动态的。
It moderately adjusts the optimized threshold in global statistics by means of partial spatial threshold, so its segmentation threshold is dynamic.
以全局阈值为基础，用邻域平均灰度与全局阈值之差的加权值对其进行调整，从而形成一种新的动态阈值分割法。
Based on global threshold, a new dynamic thresholding approach is proposed which is adjusted with th weighting of the difference between neighbor average grey and global threshold.
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