为了充分利用目标的运动信息，连续多帧图像的融合特征图像进行能量累积，达到进一步提高检测概率，降低虚警率。
In order to sufficiently utilize the motion information, the feature images of multi-frame are cumulated to improve the detection probability and reduce the false alarm rate.
主成分分析表明，4个公因子的累积贡献率达到全部的65.02%。
The analysis of main compositions showed that the 4 common elements' frequency was 65.02%.
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