The existed image Quality assessment methods hardly can assess distorted image effectively. The result usually can't match up to the human visualassessment.
目前的图像质量评价方法很难有效地评价失真模糊图像，其评价结果往往不符合人眼主观评价。
2
Test results of the real and simulated SAR images and typical speckle filtering algorithms show that these criteria are effective and in accordance with the visualassessment.
通过用真实图像和模拟SAR图像对典型相干斑滤波算法的检验，表明了评价指标的有效性。
3
The visualassessment to the product design and manufacture of simple mould could be made with the rapid prototypes, which could improve the efficiency and quality of the part and its die design.