This paper proposes a multi-clue based facial feature detection and tracking method to deal with these problems.
为了能在强杂波、低信噪比的情况下检测小目标，人们提出了许多针对小目标检测与跟踪的方法。
In order to obtain the facial motion data from the source video, we must first carry out the detection and tracking of facial feature.
为了得到源视频的脸部运动运动数据，人脸特征检测和人脸特征跟踪是两个先决条件。
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