我将mask rcnn中的resnet的模型改了，修改代码之后，运行显示如下错误 想问一下怎么解决
Traceback (most recent call last):
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\client\session.py", line 1323, in _do_call
return fn(*args)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\client\session.py", line 1302, in _run_fn
status, run_metadata)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\framework\errors_impl.py", line 473, in __exit__
c_api.TF_GetCode(self.status.status))
tensorflow.python.framework.errors_impl.InvalidArgumentError: Incompatible shapes: [2,256,256,256] vs. [2,255,255,256]
[[Node: fpn_p2add/add = Add[T=DT_FLOAT, _device="/job:localhost/replica:0/task:0/device:GPU:0"](fpn_p3upsampled/ResizeNearestNeighbor, fpn_c2p2/BiasAdd)]]
[[Node: roi_align_classifier/Cast_3/_4499 = _Recv[client_terminated=false, recv_device="/job:localhost/replica:0/task:0/device:CPU:0", send_device="/job:localhost/replica:0/task:0/device:GPU:0", send_device_incarnation=1, tensor_name="edge_5757_roi_align_classifier/Cast_3", tensor_type=DT_INT32, _device="/job:localhost/replica:0/task:0/device:CPU:0"]()]]
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "balloon.py", line 364, in <module>
train(model)
File "balloon.py", line 199, in train
layers='heads')
File "C:\ProgramData\Anaconda3\lib\site-packages\mask_rcnn-2.1-py3.6.egg\mrcnn\model.py", line 2413, in train
File "C:\ProgramData\Anaconda3\lib\site-packages\keras\legacy\interfaces.py", line 91, in wrapper
return func(*args, **kwargs)
File "C:\ProgramData\Anaconda3\lib\site-packages\keras\engine\training.py", line 2177, in fit_generator
class_weight=class_weight)
File "C:\ProgramData\Anaconda3\lib\site-packages\keras\engine\training.py", line 1849, in train_on_batch
outputs = self.train_function(ins)
File "C:\ProgramData\Anaconda3\lib\site-packages\keras\backend\tensorflow_backend.py", line 2475, in __call__
**self.session_kwargs)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\client\session.py", line 889, in run
run_metadata_ptr)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\client\session.py", line 1120, in _run
feed_dict_tensor, options, run_metadata)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\client\session.py", line 1317, in _do_run
options, run_metadata)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\client\session.py", line 1336, in _do_call
raise type(e)(node_def, op, message)
tensorflow.python.framework.errors_impl.InvalidArgumentError: Incompatible shapes: [2,256,256,256] vs. [2,255,255,256]
[[Node: fpn_p2add/add = Add[T=DT_FLOAT, _device="/job:localhost/replica:0/task:0/device:GPU:0"](fpn_p3upsampled/ResizeNearestNeighbor, fpn_c2p2/BiasAdd)]]
[[Node: roi_align_classifier/Cast_3/_4499 = _Recv[client_terminated=false, recv_device="/job:localhost/replica:0/task:0/device:CPU:0", send_device="/job:localhost/replica:0/task:0/device:GPU:0", send_device_incarnation=1, tensor_name="edge_5757_roi_align_classifier/Cast_3", tensor_type=DT_INT32, _device="/job:localhost/replica:0/task:0/device:CPU:0"]()]]
Caused by op 'fpn_p2add/add', defined at:
File "balloon.py", line 331, in <module>
model_dir=args.logs)
File "C:\ProgramData\Anaconda3\lib\site-packages\mask_rcnn-2.1-py3.6.egg\mrcnn\model.py", line 1878, in __init__
self.keras_model = self.build(mode=mode, config=config)
File "C:\ProgramData\Anaconda3\lib\site-packages\mask_rcnn-2.1-py3.6.egg\mrcnn\model.py", line 1952, in build
KL.Conv2D(config.TOP_DOWN_PYRAMID_SIZE, (1, 1), name='fpn_c2p2')(C2)])
File "C:\ProgramData\Anaconda3\lib\site-packages\keras\engine\topology.py", line 617, in __call__
output = self.call(inputs, **kwargs)
File "C:\ProgramData\Anaconda3\lib\site-packages\keras\layers\merge.py", line 155, in call
return self._merge_function(inputs)
File "C:\ProgramData\Anaconda3\lib\site-packages\keras\layers\merge.py", line 219, in _merge_function
output += inputs[i]
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\ops\math_ops.py", line 894, in binary_op_wrapper
return func(x, y, name=name)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\ops\gen_math_ops.py", line 182, in add
"Add", x=x, y=y, name=name)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\framework\op_def_library.py", line 787, in _apply_op_helper
op_def=op_def)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\framework\ops.py", line 2956, in create_op
op_def=op_def)
File "C:\ProgramData\Anaconda3\lib\site-packages\tensorflow\python\framework\ops.py", line 1470, in __init__
self._traceback = self._graph._extract_stack() # pylint: disable=protected-access
InvalidArgumentError (see above for traceback): Incompatible shapes: [2,256,256,256] vs. [2,255,255,256]
[[Node: fpn_p2add/add = Add[T=DT_FLOAT, _device="/job:localhost/replica:0/task:0/device:GPU:0"](fpn_p3upsampled/ResizeNearestNeighbor, fpn_c2p2/BiasAdd)]]
[[Node: roi_align_classifier/Cast_3/_4499 = _Recv[client_terminated=false, recv_device="/job:localhost/replica:0/task:0/device:CPU:0", send_device="/job:localhost/replica:0/task:0/device:GPU:0", send_device_incarnation=1, tensor_name="edge_5757_roi_align_classifier/Cast_3", tensor_type=DT_INT32, _device="/job:localhost/replica:0/task:0/device:CPU:0"]()]]
