针对数字图像的客观质量评估，从噪声检测的角度，提出了一种基于掩盖效应的无参考图像质量评估方法。
From the Angle of noise detection, this paper presents a mask-based no-reference approach of image quality assessment.
给出图像噪声检测模型，提出了两种基于HVS的图像信噪比无参考质量评价方法。
An image noise detection model was given and two no-reference quality assessment methods based on HVS were proposed.
第三章讨论了光学参量图像放大系统对微弱光学图像的无噪声放大。
In chapter 3, the noiseless amplification of optical images in the parametric image amplifier is discussed.
应用推荐