motion object mask 运动对象掩模
The original motion mask image can be extracted from the high frequency frames which resulting from temporal decomposition of the original video sequence by wavelet transform.
将视频序列进行时间轴一维小波变换，利用变换后的高频帧信息提取出初步的运动掩模图像；
Firstly, a rough motion mask is obtained by introducing a motion area segmentation method based on an improved accumulative frame- difference algorithm and optimal threshold segmentation.
利用小波包分析算法提取出单帧图像的边缘信息并获得细化的目标区域边缘图；
Tarfful's mask included animatronic articulation that allowed his lips and brows to have a greater range of motion.
塔弗尔的面具内装有电动关节，可以让他的嘴唇和眉毛做出大幅度动作。
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