Then we estimate the emotion intensity by facial expression combined with action's expression (head movement).
因此本文作者将面部表情与动作表情(头部运动)二者结合来估计情绪强度。
参考来源 - 双模态情绪强度估计方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
皱眉和微笑都是一个动作表情，何不微笑？
这些人用他们的手指做出形状，用他们的手做动作，并做出不同表情，以便与他人交谈。
These people make shapes with their fingers, movements with their hands, as well as different faces in order to talk to other people.
这些角色全部由电脑生成，但是他们的动作和表情都由演员控制。
These characters were to be entirely computer generated, but with their movements and facial expressions controlled by actors.
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