训练自己的数据集出现的问题

[wolf345]

Loaded dataset voc_2007_trainval for training Set proposal method: selective_search Appending horizontally-flipped training examples... wrote gt roidb to /home/wolf/Desktop/FPN-master/data/cache/voc_2007_trainval_gt_roidb.pkl Traceback (most recent call last): File "./tools/train_net.py", line 104, in imdb, roidb = combined_roidb(args.imdb_name) File "./tools/train_net.py", line 69, in combined_roidb roidbs = [get_roidb(s) for s in imdb_names.split('+')] File "./tools/train_net.py", line 66, in get_roidb roidb = get_training_roidb(imdb) File "/home/wolf/Desktop/FPN-master/tools/../lib/fast_rcnn/train.py", line 103, in get_training_roidb imdb.append_flipped_images() File "/home/wolf/Desktop/FPN-master/tools/../lib/datasets/imdb.py", line 106, in append_flipped_images boxes = self.roidb[i]['boxes'].copy() File "/home/wolf/Desktop/FPN-master/tools/../lib/datasets/imdb.py", line 67, in roidb self._roidb = self.roidb_handler() File "/home/wolf/Desktop/FPN-master/tools/../lib/datasets/pascal_voc.py", line 128, in selective_search_roidb ss_roidb = self._load_selective_search_roidb(gt_roidb) File "/home/wolf/Desktop/FPN-master/tools/../lib/datasets/pascal_voc.py", line 162, in _load_selective_search_roidb 'Selective search data not found at: {}'.format(filename) AssertionError: Selective search data not found at: /home/wolf/Desktop/FPN-master/data/selective_search_data/voc_2007_trainval.mat 作者您好！我训练自己的数据集出现这个问题是为什么呢？我每次启动训练的时候都会吧cache里面的文件清除的