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Feat : support NHWC to NCHW in split node wo transpose #2414

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Feat : support NHWC to NCHW in split node wo transpose #2414

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@dongryeolle dongryeolle commented Oct 1, 2025 •
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Summary

  • current tf2onnx doesn't support to convert without transpose NHWC to NCHW in split node.
  • and the most of functions are not consider when operator has multiple outputs.

Changes

  • add features that change axis of Split in onnx_opset for NHWC to NCHW.
  • add _switch_transpose_and_node_with_multiple_outputs functions for switching transpose node and split node has multiple-output.

Test

  • Unfortunately due to security issues, I attach before & after figure instead of my test model.
image
  • in unit_test,python setup.py test, i got results as below. i think those failed issues are not related in my code.
image

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