二值化 Thresholding (image processing)
（重定向自Adaptive Thresholding）
二值化是图像分割的一种方法。在二值化图象的时候把大于某个临界灰度值的像素灰度设为灰度极大值，把小于这个值的像素灰度设为灰度极小值，从而实现二值化。
根据阈值选取的不同，二值化的算法分为固定阈值和自适应阈值。 比较常用的二值化方法则有：双峰法、P参数法、迭代法和OTSU法等。
Adaptive Thresholding
中文百科
英语百科
Thresholding (image processing) 二值化
（重定向自Adaptive Thresholding）
Thresholding is the simplest method of image segmentation. From a grayscale image, thresholding can be used to create binary images (Shapiro, et al. 2001:83).
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