def getBackground(self):
        imgs = self.trackImages(cv2_numpy=True)
        f = imgs[0]
        avg = np.float32(f)
        for img in imgs[1:]:
            f = img
            cv2.accumulateWeighted(f,avg,0.01)
            res = cv2.convertScaleAbs(avg)
        return Image(res, cv2image=True)
Gets a bunch of runes (or all of them)
dataset/ETHPy150Open sightmachine/SimpleCV/SimpleCV/Tracking/TrackSet.py/TrackSet.getBackground--crossover with--dataset/ETHPy150Open meraki-analytics/cassiopeia/cassiopeia/core/staticdataapi.py/get_runes