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将pt文件转为onnx文件后,利用opencv中的dnn模块去调用出现的问题
- [ERROR:0@12.939] global /home/book/lwj/opencv/opencv_ubuntu-4.5.5/modules/dnn/src/dnn.cpp (3875) getLayerShapesRecursively OPENCV/DNN: []:(_input): getMemoryShapes() throws exception. inputs=1 outputs=0/0 blobs=0
- [ERROR:0@12.941] global /home/book/lwj/opencv/opencv_ubuntu-4.5.5/modules/dnn/src/dnn.cpp (3878) getLayerShapesRecursively input[0] = [ 1 3 640 640 ]
- [ERROR:0@12.941] global /home/book/lwj/opencv/opencv_ubuntu-4.5.5/modules/dnn/src/dnn.cpp (3888) getLayerShapesRecursively Exception message: OpenCV(4.5.5) /home/book/lwj/opencv/opencv_ubuntu-4.5.5/modules/dnn/src/dnn.cpp:810: error: (-215:Assertion failed) inputs.size() == requiredOutputs in function 'getMemoryShapes'
1:torch版本的问题
楼主之前在使用torch1.18版本时,利用之前的代码转换成功后,opencv能直接调用。但是更新版本后,再重复之前的操作,就会发现出bug了。具体bug如下
[ERROR:0@12.939] global /home/book/lwj/opencv/opencv_ubuntu-4.5.5/modules/dnn/src/dnn.cpp (3875) getLayerShapesRecursively OPENCV/DNN: []:(_input): getMemoryShapes() throws exception. inputs=1 outputs=0/0 blobs=0
[ERROR:0@12.941] global /home/book/lwj/opencv/opencv_ubuntu-4.5.5/modules/dnn/src/dnn.cpp (3878) getLayerShapesRecursively input[0] = [ 1 3 640 640 ]
[ERROR:0@12.941] global /home/book/lwj/opencv/opencv_ubuntu-4.5.5/modules/dnn/src/dnn.cpp (3888) getLayerShapesRecursively Exception message: OpenCV(4.5.5) /home/book/lwj/opencv/opencv_ubuntu-4.5.5/modules/dnn/src/dnn.cpp:810: error: (-215:Assertion failed) inputs.size() == requiredOutputs in function 'getMemoryShapes'
在官网中下载最新的export项目文件,亲测可以成功。
另外由于opencv版本不同,导出onnx文件版本号要与opencv对应。楼主的opencv版本是4.5.5,对应的opset版本为12.
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