def gt_roidb(self):
    '\n        Return the database of ground-truth regions of interest.\n\n        This function loads/saves from/to a cache file to speed up future calls.\n        '
    cache_file = os.path.join(self.cache_path, (self.name + '_gt_roidb.pkl'))
    if os.path.exists(cache_file):
        with open(cache_file, 'rb') as fid:
            roidb = cPickle.load(fid)
        print('{} gt roidb loaded from {}'.format(self.name, cache_file))
        return roidb
    gt_roidb = [self._load_pascal_subcategory_exemplar_annotation(index) for index in self.image_index]
    if cfg.IS_RPN:
        for i in range(1, self.num_classes):
            print('{}: Total number of boxes {:d}'.format(self.classes[i], self._num_boxes_all[i]))
            print('{}: Number of boxes covered {:d}'.format(self.classes[i], self._num_boxes_covered[i]))
            print('{}: Recall {:f}'.format(self.classes[i], (float(self._num_boxes_covered[i]) / float(self._num_boxes_all[i]))))
    with open(cache_file, 'wb') as fid:
        cPickle.dump(gt_roidb, fid, cPickle.HIGHEST_PROTOCOL)
    print('wrote gt roidb to {}'.format(cache_file))
    return gt_roidb
Return the database of ground-truth regions of interest.

This function loads/saves from/to a cache file to speed up future calls.
def gt_roidb(self):
    '\n        Return the database of ground-truth regions of interest.\n\n        This function loads/saves from/to a cache file to speed up future calls.\n        '
    cache_file = os.path.join(self.cache_path, (self.name + '_gt_roidb.pkl'))
    if os.path.exists(cache_file):
        with open(cache_file, 'rb') as fid:
            roidb = cPickle.load(fid)
        print('{} gt roidb loaded from {}'.format(self.name, cache_file))
        return roidb
    gt_roidb = [self._load_pascal_subcategory_exemplar_annotation(index) for index in self.image_index]
    if cfg.IS_RPN:
        for i in range(1, self.num_classes):
            print('{}: Total number of boxes {:d}'.format(self.classes[i], self._num_boxes_all[i]))
            print('{}: Number of boxes covered {:d}'.format(self.classes[i], self._num_boxes_covered[i]))
            print('{}: Recall {:f}'.format(self.classes[i], (float(self._num_boxes_covered[i]) / float(self._num_boxes_all[i]))))
    with open(cache_file, 'wb') as fid:
        cPickle.dump(gt_roidb, fid, cPickle.HIGHEST_PROTOCOL)
    print('wrote gt roidb to {}'.format(cache_file))
    return gt_roidb