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- optimal background region 最佳本底区
- Shadow detection was performed in every block based on the illumination invariant between the shadow region and the corresponding background region. 对其中的每一块，根据阴影区域和相对应的背景区域之间的光照不变性进行阴影检测。
- Experiments showed that the results were desirable under the circumstance of fraction characters being inconspicuous in target region and background region. 实验表明在目标和背景的一般分形特徵差异不明显的情况下，此方法仍能获得很好的分割效果。
- This expression is to code every background pixels in the image by some rules so that sixteen different kinds of eigenvalue are generated, which denoted sixteen different kinds of background regions. 数值背景表达就是对图像中的每一个背景像素按照一定的规律进行编码，从而得到16种不同的特征值，分别表示16种不同的背景区域。
- He has a strong political background. 他有强大的政治背景。
- That incessant background music gets on my nerves. 那没完没了的背景音乐令我非常烦恼！
- optimized background difference algorithm 优化背景差法
- He has a working-class background. 他是工人阶级出身。
- Get the fall in the background, will you? 把瀑布拍进背景中去好吗？
- A background accompaniment, as for a performer. 伴奏为一个演奏者配音伴奏
- She came from a privileged background. 她出身於特权阶层。
- He came from an impoverished background. 他出身贫寒。
- This book gives the background of the Civil War. 这本书叙述了南北战争的背景。
- Other motives may have lurked in the background. 这后面可能隐藏着其它动机。
- He was lurking slyly in the background. 他狡猾地躲在背後活动。
- The ergonomics of the new office were felt to be optimal. 新办公室工效设计因素感觉十分理想。
- Her own particular chip on the shoulder was her poor background. 她感到怨恨的特有原因是她的背景不好。
- He stayed in the background to escape from the public attention. 他呆在幕后为了避开公众的注意。
- Comparison of the Characteristics of Ambient Pollutants in Urban and Background Region in Beijing during August and September 夏末秋初北京市区与背景区大气污染物的对比分析
- She has a lot of power, but like to remain in the background. 她的权力很大，但是喜欢隐身幕后。
