There are great differences between the predicted result using probability integral method and the practical observation under condition of exploiting minimal working face.
在极小工作面开采条件下，利用概率积分法进行开采沉陷预计时结果与现场实测有较大偏差。
First based on the difference image and the skin color the face is detected and localized, then features are extracted by using improved SVD, last the features is classified by minimal distance.
首先基于差分图像和肤色信息检测出人脸，其次使用改进的奇异值分解方法提取面部特征，最后运用最小距离分类器进行识别。
As newspapers try to move their business online, they further reduce their minimal subscription revenue and, more importantly, face substantially more competition for advertising dollars.
随着报纸在把业务向网上转移，订阅收入进一步减少，更重要的是在广告业务上他们要面临更多的竞争。
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