From the usage characteristics of automatic testing optical lens, a viewpoint of straight-edge response function as final evaluation criterion is proposed in this paper.
从自动测量用光学镜头的使用特点出发，提出用其直边响应函数作为最终评价标准的观点。
Since human being is the final receiver of output of digital image processing, the characteristics of human visual system (HVS) must be incorporated into the criterion of image quality evaluation.
由于数字图像处理结果的最终接受者是人，因此在评价图像质量时必须考虑到人类视觉系统的特性。
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