Error generating code for network net0_0. Index exceeds the number of array elements. Index must not exceed 0.

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Manish N am 9 Feb. 2022

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https://de.mathworks.com/matlabcentral/answers/1646640-error-generating-code-for-network-net0_0-index-exceeds-the-number-of-array-elements-index-must-not

Kommentiert: Sayan Saha am 28 Feb. 2022

Trying to generate code for trained mobilenetV2 for arm target.

But its failing with error. Could not find more description what can cause this error. Need pointers to debug.

cfg = coder.config('lib');
cfg.TargetLang = 'C++';
cfg.GenCodeOnly=true;
dlcfg = coder.DeepLearningConfig('arm-compute');
dlcfg.ArmArchitecture = 'armv7';
dlcfg.ArmComputeVersion = '19.05';
cfg.DeepLearningConfig = dlcfg;
codegen -config cfg Mobilenet_predict -args {ones(320,592,3,'single')} -report

function out = Mobilenet_predict(in)
persistent mynet;
opencv_linkflags = '`pkg-config --cflags --libs opencv`';
coder.updateBuildInfo('addLinkFlags',opencv_linkflags);
if isempty(mynet)
    mynet = coder.loadDeepLearningNetwork('Mobilenet.mat','net');
end
out = predict(mynet,in);
end

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Manish N am 10 Feb. 2022

Bearbeitet: Manish N am 14 Feb. 2022

Thanks for the response @Hariprasad Ravishankar

My starting point was mobilnetv2, but i have trained it for image size of 320,592,3

My network looks like

With the original mobilnetv2 pakage with default image size 224,224,3 codegeneration works.

I face same issue with resnet50 and resnet 18.

For Unet code generation works fine without any issue.

When i run the function for semantic segmentation it works correctly, only code generation fails.

How do you want me to share the file for debugging?

Sayan Saha am 28 Feb. 2022

Hello @Manish N,

Were you able to resolve this issue? If not, can you attach the trained mobilenetv2 model in this post? You should be able to edit the question and attach the model.

If you do not feel comfortable attaching the model MATFile, please contact MathWorks technical support for furhter assistance.

Thanks,

Sayan

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