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Hi,
I am trying to convert a model from .onnx format into OpenVINO, for use with an old software framework.
I know the Model Optimizer should be used for this, but if I try
mo --input_model model.onnx
then the new model gets generated with IR version 11. Unfortunately, my old framework does not support newer IR versions. Is there a way of forcing the conversion with an older IR version?
Thanks.
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Hi MicheleBolognini,
Thank you for reaching out to us.
For your information, OpenVINO™ Toolkit 2022.1 release does provide backward compatibility support for reading IR v10 model. However, it is not possible to convert model into older IR v10 using the new OpenVINO™ Toolkit 2022.1 release.
In order to convert a model into legacy IR v10 model, you'd need to use Model Optimizer from OpenVINO™ Toolkit 2021.4.2 release. You can follow the guide on Converting a ONNX* Model for further information.
Here is the result for converting a resnet50 ONNX model into IR v10 model using OpenVINO™ Toolkit 2021.4.2:
Regards,
Hairul
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Thank you @Hairul_Intel for the clarification.
I noticed that, though I had installed the 2020.3 Release, the Model Optimizer version was 2022.1.something, probably a carryover from a previous installation.
I will thoroughly clean up the installed version and make sure I install and older release before I try again.
Thanks
Michele
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Hi Michele,
This thread will no longer be monitored since we have provided a solution. If you need any additional information from Intel, please submit a new question.
Regards,
Hairul
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