In low frequency sub band, the watermarking is embedded into host by the way of pixel-to-pixel embedding according to HVS model.
在低频分量部分，基于HVS视觉模型，将水印信号逐点变化地嵌入到原始图像中；
2
When prostestors achieve the target number, they will walk to Ankara, pixel by pixel, to the parliament house.
当“散步”者达到一定数量之后之后，他们将一个像素一个像素地走向安卡拉，走向国会。
3
In the enlarged portion of the above screenshot, you can see that most of the time this contrast is just a lightly colored 1-pixel line next to a dark 1-pixel line.