Article ID: 000094816 Content Type: Error Messages Last Reviewed: 05/30/2023

Unable to Convert TensorFlow* (TF) Saved Model (.Pb) Format into Intermediate Representation (IR)

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Summary

Files needed to convert TensorFlow* saved model (.pb) format into (IR)

Description
  • Converted custom TensorFlow model with the commands below:

    mo --input_model saved_model.pb --input_shape [1,3,130,206] --reverse_input_channels

  • Encountered error:

    [ FRAMEWORK ERROR ] Cannot load input model: TensorFlow cannot read the model file:

    "\openvino_notebooks\notebooks\101-tensorflow-to-openvino\model\roi_train_model\saved_model.pb" is incorrect TensorFlow model file.
    The file should contain one of the following TensorFlow graphs:

    1. frozen graph in text or binary format
    2. inference graph for freezing with checkpoint (--input_checkpoint) in text or binary format
    3. meta graph
Resolution

For conversion of the Saved Model model format, the directory should have these components:

  1. A SavedModel Protocol Buffer
    • saved_model.pb/.pbtxt 
      • graph definitions as MetaGraphDef
  2. Assets
    • Contains auxiliary files such as vocabularies
  3. Extra Assets
    • Subfolder where higher-level libraries and users can add their own assets that coexist with the model but aren't loaded by the graph.
  4. Variables
    • Includes outputs from Tensorflow Saver
Additional information

Refer to Converting a TensorFlow Model.

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