Questions tagged [mxnet-format]

Questions involving executing and importing neural networks from MXNet.

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Use FacialFeatures in Python Web API?

Under the hood, FacialFeatures uses the net-model ResNet-101 Trained on Augmented Casia WebFace Data. I would like to see a tutorial-style answer on how one would ...
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39 views

No progress on validation NN training set

So in short my issue is that I'am training a neural network and while the training loss reduces over time, the loss of validation set remains constant. The progress of training looks like this: I am ...
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0answers
144 views

Export ImageCases to Python?

I’d like a tutorial on how to export a bounding box detector network to mxnet, (for bonus points: convert to Tensorflow), and then get it running correctly in python! Some related questions exist for ...
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1answer
37 views

Error Training FeedForward Neural Network With Various Type of Variables

I built the following FeedForward NN ...
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1answer
196 views

Is Mathematica's implementation of convolutional neural networks really inefficient?

I'm surprised how slow ConvolutionLayer works with TargetDevice->"CPU". For instance this code: ...
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1answer
83 views

3D Deconvolutional Layer

I noticed that one of the mxnet APIs (Gluon) includes a 3D Deconvolutional Layer. However, mathematica currently only allows up to 2D deconvolutional layers (see here). Can one somehow implement a 3D ...
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342 views

How to train a bounding box detection model?

Apparently, this still isn't possible in v12? I'd like to add a new class to one of the standard object detection architectures. Consider the YOLO v2 detector from the Neural Net Repo. ...
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1answer
204 views

how to import mathematica trained mxnet neural net

How to import mathematica trained mxnet neural net into python and use it there? Can someone provide a simple example i can use as a template. Thanks
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114 views

Can you train ImageClassify model with multiple GPUs correctly?

After some testing, I still cann't train with two GPU in Windows 10. But I can train with Mathematica 11.3 in Ubuntu 16.04 with two graphics card GTX 1080 The problem is, If I use two card to train, ...
4
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1answer
144 views

How can I reproduce the result of AgeEstimation model in MXNet-Python?

How can I reproduce the result of AgeEstimation model in MXNet-Python? here is my repo about MXnet-Python codes to load Mathematica Models. I want the result of Mathematica and the result of MXNet-...
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2answers
180 views

NetTrain with multi-label data?

I'm attempting to do simple category recommendation on textual data. I have around 20k training samples of the form desc_String -> {tag1_String, tag2_String, ...}...
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190 views

Is is a bug when importing MXNet model?

There is a trained net:model.zip Using Python to make prediction: ...
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223 views
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2answers
271 views

Export BatchNormalizationLayer as MXNet

Bug introduced in 11.2 and remains in 12.0.0 I just tried to import a net from mathemtica into pythons using MXNet. It works fine with the following manual. However, as soon as I try to add a ...
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2answers
282 views

Can't import Gluon into mma

This is a simple DNN from Fast, portable neural networks with Gluon HybridBlocks: This is json file and params file of Gluon(MXNet) ...
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1answer
235 views

Error Import a MXNet model Export by Mathematica in 11.2 and 11.3

the model was trained by net = NetModel["Inception V1 Trained on ImageNet Competition Data"] ...
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3answers
761 views

Example of NetChain running in MXNet cause Error

Cross post here Problem remains in Mathematica 11.2 First defining the net ...
10
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3answers
794 views

Using Mathematica wlnet model in C++

Suppose if there is a trained net: SeedRandom[1234]; net = NetInitialize@NetChain[{5, 3}, "Input" -> 2]; It can predict image in mma: ...
13
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2answers
440 views

Simple example of NetGraph running in MXNet?

There is an great example of exporting a NetGraph (that was trained in Mathematica) into the MXNet's format. However, I think there's a bug or something is wrong with the answer, because once ...
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1answer
262 views

Custom NetEncoder for lower resolution image input in a pre-trained Inception network

I have come across this neat explanation on how to adjust a pre-trained Inception neural net to an arbitrary number of classes by truncating the top layers. However, my input data does not come in $...
28
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1answer
2k views

How to export an MXNet?

I was hoping there was some way to generate the .params and .json file needed to define an MXNet model, from a network trained using NetTrain[] in Mathematica. I ...