how do you detect nods which model can you use to detect nods and shakes can you detect a shaking head what is hmm and numb shake how to detect shakes in an eye how do i detect nods in motion when you detect a nod and shake how to tell where the head is shaking how to measure nods in video frames what is the nod and shake in video frames what model is used for nods and shakes how do you detect nods and shakes in video hmm nod physics why do heads shake in video based on their position how to detect nods in video what kind of pattern do nods and shakes have? how fast do you find nod in a video how to detect head shaking how to detect shakes in videos what model do you use to automatically detect a nod and shake?