A 3d feature is extracted from the accumulation and main motion orientation, and a Bayesian classifier is used for smoke detection.
根据累积量和主运动方向提取出3维特征矢量，采用贝叶斯分类器进行烟雾的检测。
And a time sequence of motion orientation for each block is generated over a sliding time window. Then accumulation and main motion orientation are computed according to the sequence.
采用滑动时间窗口生成块运动方向时间序列，在此时间序列的基础上计算块的累积量和主运动方向。
The magnetic field induced orientation of side chain has a nonlinear effect on the motion of main chain.
侧链介晶基元受磁场的诱导取向对分子主链运动的影响为非线性效应。
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