Finally, the SPIHT algorithm is implanted to encode human face region and background region.

最后采用SPIHT算法对人脸区和背景区进行编码。

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The technique provides a new way of technology and effective method for the identification of local weak abnormals in a low background region.

为在低背景区发现较弱的局部异常，提供了一个新的技术思路和有效的方法。

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It appears as if the background graphic expands to fill the region.

这看起来就像是背景图像扩大到整个区域。

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Specific kinds of discriminatory attitudes are rooted in history and influenced by the general social background that characterizes a particular region.

UNESCO: Social and Human Sciences

And that geometrical prediction was confirmed directly by the Sloan survey, using the known distances of 500m light years to the density peak and 13 billion light years to the region where the microwave background originates as reference points to look for geometrical distortion, in the way that a more traditional land survey might use triangulation points.

ECONOMIST: Astronomy

The background of the conflict took place in a region greatly changed since the last significant violence of 2008-09.

CNN: After Israel-Gaza: Who won, who lost?