1) Non-stable background
非平稳背景
1.
Non-stable background suppress in wavelet domain of infrared image of sky;
天空红外图像非平稳背景的小波域抑制
2) Background/Non-Background Classification
背景/非背景分类
1.
In the AVS-based video surveillance system,the AVS coding and decoding standards are combined with other processing techniques,such as background/non-background classification,face detection and recognition,and two-level indexing structure to automatically identify the persons who appeared in the surveillance videos.
该系统结合AVS视频编解码、背景/非背景分类、人脸检测与识别等技术,可输入文本、图片和视频段对出现在监控视频中的人物进行身份的自动识别,并引入两级索引结构以达到快速检索的目的,在数字监控、门禁控制以及身份识别等方面有一定的应用价值。
3) base line level
背景水平
1.
In order to understand base line levels of arsenic in organisms in the Daya Bay, determination and assessment of arsenic concentrations in the organisms collected from 15 stations of the Bay were carried out in 1993.
为了了解大亚湾海洋生物体Ａｓ含量的背景水平，１９９３年在大亚湾１５个测站采集了海洋生物样品，对其Ａｓ含量进行了测定和评价。
5) nonhomogeneous environment
非均匀背景
1.
A CFAR target detection method is proposed for nonhomogeneous environment in UWBSAR image with variability index and order-statistics CFAR detection.
针对UWBSAR图像中的非均匀背景目标检测问题,提出了一种CFAR检测方法。
补充资料：非想非非想处天
1.佛教语。即三界中无色界第四天。此天没有欲望与物质﹐仅有微妙的思想。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条