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How can i load a onnx with opencv?

asked 2018-12-11 23:45:09 -0500

vealocia gravatar image

updated 2018-12-11 23:46:31 -0500

I have just convert a model from pytorch to onnx and now i want load it with opencv so that i can use it in android application. But every time i run a test code in python

net=cv2.dnn.readNetFromONNX('./model.onnx')

It got a error which said

error: OpenCV(3.4.4) /io/opencv/modules/dnn/src/onnx/onnx_importer.cpp:272: error: (-204:Requested object was not found) Blob 13 not found in const blobs in function 'getBlob'

Can anybody help me?

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@vealocia, Is it possible to share model.onnx?

dkurt gravatar imagedkurt ( 2018-12-12 00:44:13 -0500 )edit

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answered 2019-07-28 07:50:25 -0500

paubau gravatar image

updated 2019-07-28 07:51:45 -0500

@vealocia did you verify the model:

import onnx
onnx_model = onnx.load( 'model.onnx')
onnx.checker.check_model(onnx_model)

I recently had some similar issue when the Nodes in the ONNX graph are not topologically sorted.

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Asked: 2018-12-11 23:45:09 -0500

Seen: 879 times

Last updated: Jul 28