Method update

deeplabcut/core/trackingutils.py:68–72

(self, z)

        self.hit_streak = 0

    def update(self, z):
        self.time_since_update = 0
        self.hits += 1
        self.hit_streak += 1
        self.kf.update(z)

    def predict(self):
        self.kf.predict()