如果aim是锁定其他物体的,就用点约束(constrain-point),就不用把aim也约束到运动路径上来了。
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Point constrain 建立点约束
Edge constrain strategy is used to reduce the search region of each feature point.
加入了边缘约束策略，减小了特征点目标搜索的区域。
youdao
It can constrain frequency response of filter Banks to form null at zero frequency point and to obtain minimum side lobe area.
它可强制滤波器组的频率特性在零频形成零点并使旁瓣面积最小。
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