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。
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Increased visibility for the work of WHO in the Region through use of a cartoon character to promote health in different Settings.