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Automotive crash dummy posture analysis

随着自动紧急制动系统等主动安全配置在汽车上应用日趋广泛，对其功能的启用对汽车被动安全阶段假人离位及损伤可能产生的影响成为各大整车厂商研究热点。

在自动紧急制动系统启动时，假人的头部、颈部、胸部、骨盆部位相对车辆会有一定的前倾运动，对各个部位进行标记，自动追踪，研究头部X向加速度，颈部剪切力、伸张力、弯矩，胸部X向加速度、压缩量等将有助于精准评估假人的损伤值。

汽车碰撞2.gif

千眼狼PMLAB光学应变测量系统采用特征值灰度法对多个特征部位标记点进行自动提取，调用归一化互相关或二值化灰度算法进行跟踪，获取标记点的位移参数，测量精度可达0.01Pixel。

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