Faster-RCNN训练问题解决

~/py-faster-rcnn$ ./experiments/scripts/faster_rcnn_alt_opt.sh 0 ZF pascal_voc+ set -e+ export PYTHONUNBUFFERED=True+ PYTHONUNBUFFERED=True+ GPU_ID=0+ NET=ZF+ NET_lc=zf+ DATASET=pascal_voc+ array=($@)+ len=3+ EXTRA_ARGS=+ EXTRA_ARGS_SLUG=+ case $DATASET in+ TRAIN_IMDB=voc_2007_trainval+ TEST_IMDB=voc_2007_test+ PT_DIR=pascal_voc+ ITERS=40000++ date +%Y-%m-%d_%H-%M-%S+ LOG=experiments/logs/faster_rcnn_alt_opt_ZF_.txt.2017-09-30_13-10-33+ exec++ tee -a experiments/logs/faster_rcnn_alt_opt_ZF_.txt.2017-09-30_13-10-33+ echo Logging output to experiments/logs/faster_rcnn_alt_opt_ZF_.txt.2017-09-30_13-10-33Logging output to experiments/logs/faster_rcnn_alt_opt_ZF_.txt.2017-09-30_13-10-33+ ./tools/train_faster_rcnn_alt_opt.py --gpu 0 --net_name ZF --weights data/imagenet_models/ZF.v2.caffemodel --imdb voc_2007_trainval --cfg experiments/cfgs/faster_rcnn_alt_opt.ymlCalled with args:Namespace(cfg_file='experiments/cfgs/faster_rcnn_alt_opt.yml', gpu_id=0, imdb_name='voc_2007_trainval', net_name='ZF', pretrained_model='data/imagenet_models/ZF.v2.caffemodel', set_cfgs=None)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Stage 1 RPN, init from ImageNet model~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Init model: data/imagenet_models/ZF.v2.caffemodelUsing config:{'DATA_DIR': '/home/py-faster-rcnn/data', 'DEDUP_BOXES': 0.0625, 'EPS': 1e-14, 'EXP_DIR': 'faster_rcnn_alt_opt', 'GPU_ID': 0, 'MATLAB': 'matlab', 'MODELS_DIR': '/home/py-faster-rcnn/models/pascal_voc', 'PIXEL_MEANS': array([[[ 102.9801,  115.9465,  122.7717]]]), 'RNG_SEED': 3, 'ROOT_DIR': '/home/icalc/py-faster-rcnn', 'TEST': {'BBOX_REG': True,          'HAS_RPN': True,          'MAX_SIZE': 1000,          'NMS': 0.3,          'PROPOSAL_METHOD': 'selective_search',          'RPN_MIN_SIZE': 16,          'RPN_NMS_THRESH': 0.7,          'RPN_POST_NMS_TOP_N': 300,          'RPN_PRE_NMS_TOP_N': 6000,          'SCALES': [600],          'SVM': False}, 'TRAIN': {'ASPECT_GROUPING': True,           'BATCH_SIZE': 128,           'BBOX_INSIDE_WEIGHTS': [1.0, 1.0, 1.0, 1.0],           'BBOX_NORMALIZE_MEANS': [0.0, 0.0, 0.0, 0.0],           'BBOX_NORMALIZE_STDS': [0.1, 0.1, 0.2, 0.2],           'BBOX_NORMALIZE_TARGETS': True,           'BBOX_NORMALIZE_TARGETS_PRECOMPUTED': False,           'BBOX_REG': False,           'BBOX_THRESH': 0.5,           'BG_THRESH_HI': 0.5,           'BG_THRESH_LO': 0.0,           'FG_FRACTION': 0.25,           'FG_THRESH': 0.5,           'HAS_RPN': True,           'IMS_PER_BATCH': 1,           'MAX_SIZE': 1000,           'PROPOSAL_METHOD': 'gt',           'RPN_BATCHSIZE': 256,           'RPN_BBOX_INSIDE_WEIGHTS': [1.0, 1.0, 1.0, 1.0],           'RPN_CLOBBER_POSITIVES': False,           'RPN_FG_FRACTION': 0.5,           'RPN_MIN_SIZE': 16,           'RPN_NEGATIVE_OVERLAP': 0.3,           'RPN_NMS_THRESH': 0.7,           'RPN_POSITIVE_OVERLAP': 0.7,           'RPN_POSITIVE_WEIGHT': -1.0,           'RPN_POST_NMS_TOP_N': 2000,           'RPN_PRE_NMS_TOP_N': 12000,           'SCALES': [600],           'SNAPSHOT_INFIX': 'stage1',           'SNAPSHOT_ITERS': 10000,           'USE_FLIPPED': True,           'USE_PREFETCH': False}, 'USE_GPU_NMS': True}Loaded dataset `voc_2007_trainval` for trainingSet proposal method: gtAppending horizontally-flipped training examples...Process Process-1:Traceback (most recent call last):  File "/usr/lib/python2.7/multiprocessing/process.py", line 258, in _bootstrap    self.run()  File "/usr/lib/python2.7/multiprocessing/process.py", line 114, in run    self._target(*self._args, **self._kwargs)  File "./tools/train_faster_rcnn_alt_opt.py", line 122, in train_rpn    roidb, imdb = get_roidb(imdb_name)  File "./tools/train_faster_rcnn_alt_opt.py", line 67, in get_roidb    roidb = get_training_roidb(imdb)  File "/home/py-faster-rcnn/tools/../lib/fast_rcnn/train.py", line 118, in get_training_roidb    imdb.append_flipped_images()  File "/home/py-faster-rcnn/tools/../lib/datasets/imdb.py", line 106, in append_flipped_images    boxes = self.roidb[i]['boxes'].copy()  File "/home/py-faster-rcnn/tools/../lib/datasets/imdb.py", line 67, in roidb    self._roidb = self.roidb_handler()  File "/home/py-faster-rcnn/tools/../lib/datasets/pascal_voc.py", line 107, in gt_roidb    for index in self.image_index]  File "/home/py-faster-rcnn/tools/../lib/datasets/pascal_voc.py", line 212, in _load_pascal_annotation    cls = self._class_to_ind[obj.find('name').text.lower().strip()]KeyError: 'obj'