The HVS function, HVS function is inversely Fourier transformed in frequency domain, and the method is realized by calculating some value of the function in spacial domain as convolve nucleus.
根据HVS函数的特点，对频域中HVS函数进行反傅立叶变换，将空间域中该函数的部分函数值作为特定的模板参数，并与原图像进行卷积来实现边缘检测。
The HVS model is based on the computation of the noise visibility function (NVF) and embed at the texture and edge region stronger embedded watermarks.
模型基于噪声可见性函数(NVF)的计算来决定水印嵌入强度，使水印更多的嵌入到图像的纹理和边缘区域。
At last, it is presented that image quality assessment method combined modulation transfer function (MTF) with human visual system (HVS) may be a new breakthrough to solve the image quality problem.
文章最后指出基于调制传递函数(MTF)测定并结合人眼视觉系统(HVS)模型的影像质量评价方法有望成为解决影像质量评价难题的突破点。
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