I use the Spleen 3D segmentation with MONAI tutorials, when using my data input torch.size([1,1,256,256,90]), it appears error.

[SDTaoPeng]

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[SDTaoPeng]

Backend Qt5Agg is interactive backend. Turning interactive mode on.
Traceback (most recent call last):
File "C:\Users\S209850\Pycharm\plugins\python-ce\helpers\pydev\pydevd.py", line 1477, in _exec
pydev_imports.execfile(file, globals, locals) # execute the script
File "C:\Users\S209850\Pycharm\plugins\python-ce\helpers\pydev_pydev_imps_pydev_execfile.py", line 18, in execfile
exec(compile(contents+"\n", file, 'exec'), glob, loc)
File "D:/Residual_Disease/3D_Pytorch/MONAI_npy_input/main_spleen.py", line 317, in
outputs = model(inputs)
File "C:\Users\S209850\Anaconda3\lib\site-packages\torch\nn\modules\module.py", line 1051, in _call_impl
return forward_call(*input, **kwargs)
File "C:\Users\S209850\Anaconda3\lib\site-packages\monai\networks\nets\unet.py", line 237, in forward
x = self.model(x)
File "C:\Users\S209850\Anaconda3\lib\site-packages\torch\nn\modules\module.py", line 1051, in _call_impl
return forward_call(*input, **kwargs)
File "C:\Users\S209850\Anaconda3\lib\site-packages\torch\nn\modules\container.py", line 139, in forward
input = module(input)
File "C:\Users\S209850\Anaconda3\lib\site-packages\torch\nn\modules\module.py", line 1051, in _call_impl
return forward_call(*input, **kwargs)
File "C:\Users\S209850\Anaconda3\lib\site-packages\monai\networks\layers\simplelayers.py", line 126, in forward
y = self.submodule(x)
File "C:\Users\S209850\Anaconda3\lib\site-packages\torch\nn\modules\module.py", line 1051, in _call_impl
return forward_call(*input, **kwargs)
File "C:\Users\S209850\Anaconda3\lib\site-packages\torch\nn\modules\container.py", line 139, in forward
input = module(input)
File "C:\Users\S209850\Anaconda3\lib\site-packages\torch\nn\modules\module.py", line 1051, in _call_impl
return forward_call(*input, **kwargs)
File "C:\Users\S209850\Anaconda3\lib\site-packages\monai\networks\layers\simplelayers.py", line 129, in forward
return torch.cat([x, y], dim=self.dim)
RuntimeError: Sizes of tensors must match except in dimension 4. Got 24 and 23 (The offending index is 0)
python-BaseException

[rijobro]

Hi, as the issue template clearly states, unless the issue is explicitly with the unchanged notebook, could you please post future questions as a Discussion in the main repository.
For your particular problem, your image has z=90, which isn't a multiple of 8 (there are four lots of stride=2).