Video content is described by characteristics extracted on four-level framework including shots, video objects, video object planes and video object regions.
本文提出了一种基于视频对象的视频内容分级描述模型。
Many kinds of characteristics of defects of printed matter can be extracted by RLE method.
使用RLE方法，能够快速提取印刷品缺陷的多种特征。
Extracted the fluorescence spectra characteristics of phytoplankton pigments mentioned above, in order to identify typical phytoplankton in class or further detail levels.
萃取上述藻类的色素，进行荧光特征提取，以期在纲或更细层次识别典型浮游植物。
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