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Issue while running GraphModel predict #8508

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sivarajakani opened this issue Feb 5, 2025 · 2 comments
Open

Issue while running GraphModel predict #8508

sivarajakani opened this issue Feb 5, 2025 · 2 comments
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@shmishra99
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type:bug Something isn't working

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@sivarajakani
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I'm encountering an undefined variable issue while running inference with the GraphModel in TensorFlow.js. It's occurring in tfjs-converter/src/operations/executors/utils.ts#L138.

System Information:

  • OS: Ubuntu 24
  • TensorFlow.js Version: v4.22.0 / v4.5.0 (installed via npm)
  • Browser: Firefox 134.0.2
  • TensorFlow.js Converter Version: v4.5.0
  • TensorFlow Version: v2.1.0

Current Behavior:
Inference fails due to an undefined variable, leading to a TypeError.

Expected Behavior:
The GraphModel should execute inference without errors.

Minimal Reproducible Code (in HTML):

<!DOCTYPE html>
<html lang="en">
<head>
    <script src="https://cdn.jsdelivr.net/npm/@tensorflow/tfjs/dist/tf.min.js"></script>
</head>
<body>
    <script>
        async function run() {
            const model = await tf.loadGraphModel('./model.json');
            
            const tensor = tf.zeros([1, 320, 320, 3]);

            const result = model.predict({"input": tensor});
        }

        run();
    </script>
</body>
</html>

I have attached the model to reproduce the issue

tfjs_graph.zip

Error Log (from Node):

TypeError: Cannot read properties of undefined (reading 'split')

      at parseNodeName (tfjs-converter/src/operations/executors/utils.ts:138:22)
      at getTensor (tfjs-converter/src/operations/executors/utils.ts:74:29)
      at getParamValue (tfjs-converter/src/operations/executors/utils.ts:53:20)
...

Any insights on resolving this issue?
@sivarajakani sivarajakani added the type:bug Something isn't working label Feb 5, 2025
@shmishra99 shmishra99 self-assigned this Feb 6, 2025
@shmishra99
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Hi @sivarajakani ,

I've reproduced the issue you're experiencing, and it appears to be specific to your model.json file. I've successfully run other model without any problems.

To help me understand the root cause, could you please share details about the origin of your model and the steps you took to convert or create it? Thank You!!

@sivarajakani
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Model Source:
I'm using CenterNet from TensorFlow Object Detection. Here is the saved_model.zip.

Model Conversion Script:

tensorflowjs_converter --input_format=saved_model <save_model_path> <destination_path>

TensorFlow.js Converter Version: v4.5.0

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@sivarajakani @shmishra99