In order to restore blur image effectively, certain parameter of blur function and statistical value of noise have to be estimated.
为了有效复原退化图像,需要从模糊图像中估计模糊函数的某些参数、噪声统计量等相关信息。
Compared with the Sf obtained from the concept of parameter estimation, the Sbased on the idea of hypothesis test is'much colser to the actual statistical value.
通过算例表明与传统的参数估计概念的分散系数相比,假设检验观点的分散系数更趋近于实际统计值。
The theoretical calculation value of some common transition fit is compared with practical statistical value, which is of practically reference to the accuracy selection in mechanical design.
并对几种常用过渡配合的理论计算值及实际统计值作比较,这对于机械设计中的精度选择有实际参考意义。
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