def compute_score(self, image, oracle=False, dets=None):
   """
   Return the 0/1 decision of whether the cls of this detector is present in
   the image, given the detections table.
   If oracle=True, returns the correct answer (look up the ground truth).
   """
   if oracle:
     return Detector.compute_score(self, image, oracle)
   if not dets:
     img_ind = self.dataset.get_img_ind(image)
     dets = self.dets.filter_on_column('img_ind',img_ind)
   scores = dets.subset_arr('score')
   score = self.classif.classify_image(scores)
   dt = 0
   # TODO: figure out the dt situation above
   return (score,dt)