As we've discussed in this article, the DB2 optimizer may choose a sub-optimal access plan when there are host variables or parameter markers in the SQL statement.
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；
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Not only in Beijing, but also in Qingdao, the co-host city with a sub-site for competition for the 2008 Beijing Olympic Games, people, in their own way, express their warm welcome to the Flame.