The UK Centre for Tobacco Control Studies has written to the British Board of Film Classification (BBFC) asking it to do just this to protect children from "particularly harmful imagery".
英国烟草控制研究中心已经将致信英国电影分级委员会（BBFC）要求提高级别，以便能保护青少年远离“有害影像”。
To improve remotely sensed imagery classification accuracy is one of the main topics in the field of remote sensing application research.
提高计算机遥感影像的分类精度，是遥感应用中研究的主要问题之一。
Traditional pixel-based classification method can not give a satisfied performance for High Resolution Imagery. Its accuracy of classification is far from productive demand.
传统的基于像素光谱信息分类的方法在对这些高分辨率的遥感影像分类时显得力不从心，所得到的精确度远远达不到生产的要求。
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