谈软件开发的生命周期选择,作为一次软件工程作业，简要地分析并总结出生命周期选择-On the software development life cycle of selection, as a software engineering homework, briefly analyzed and summed up the life cycle of selection

If we know some properties of the image, than thresholding process only needs to ensure this property is satisfied. In a printed text image, if we know the ratio of area between the sheet and character, then we can choose satisfied threshold value

研究了Stein的估计和真实MSE的最小值之间的权衡，并把图像去噪问题看作联盟形成游戏。-studied the tradeoff between the accuracy of the Stein’s estimate and the minimum of the true MSE and formulated the image denoising problem as a coalition formation game.