The concept of the two-dimensional bound histogram is proposed, and an automatic threshold selection method based on that histogram is presented.
提出了二维属性直方图的概念,进而提出了一种基于二维属性直方图的图像自动阈值化方法。
Curvature segmentation method is a multi-threshold selection method through searching valley based on histogram cumulative distribution function.
阈值的曲率分析即基于灰度直方图累计函数的峰项一峰谷检测法中曲率函数存在着选择最适参数的问题。
The present method for noise reduction with wavelet transform is based on the thresholding method and threshold selection will depend on the estimation of the noise standard deviation.
目前的小波去噪绝大多数都是基于阈值决策的方法,而阈值选择往往都是建立在对信号小波变换系数的方差估计上。
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