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Shounak Mitra


MathWorks

26 total contributions since 2017

I am the Product Manager for Deep Learning Toolbox at MathWorks

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Answered
add on Deep Learning Toolbox Importer for Tensorflow-Keras Models stop work
This is slighly strange. Can you go to Add-Ons and Manage Add-Ons and see if the importer is installed. If you don't see it th...

4 mois ago | 1

Answered
Is it possible to implement a LSTM layer after a CNN layer?
Hello Everyone, As of 19a, MATLAB supports workflows containing both CNN and LSTM layers. Please check the link that contains...

4 mois ago | 0

Answered
How to improve the training accuracy in example of Train Convolutional Neural Network for Regression?
Great question! You're right, sometimes the routine augmentations do not add additional value. In such cases, often I rely upo...

5 mois ago | 0

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Does anyone know of code for building an LSTM recurrent neural network?
@Chadi: Yes, it does support regression as well. Here's the doc link: <https://www.mathworks.com/help/deeplearning/ug/long-short...

6 mois ago | 0

Answered
Matlab does not currently support Generative Adversarial Neural Networks
In the next release, we're going to provide some flexbilities to design advanced networks such as GANs, Siamese Networks etc. Ha...

6 mois ago | 3

Answered
Label image data without Matlab license?
Unfortunately, to use the Image Labeler, you'd need MATLAB. The best thing I can suggest is get a 30 day trial from the mathwork...

6 mois ago | 0

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Answered
Help regarding CNN training
Hi, O fcourse, check this out. https://www.mathworks.com/help/audio/examples/speaker-identification-using-pitch-and-mfcc.html

6 mois ago | 1

Answered
Costomized algorithm to train a convolutional neural network
This is something that we're working on. We hope to support the flexibility of letting users write custom solvers in the very ne...

6 mois ago | 0

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Answered
Pretrained networks in matlab for extraction of deep features from images
Try using imresize() to scale your image to fit the network dimensions. Usage Example: % Access the trained model net = ...

6 mois ago | 0

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Answered
custom loss function for DNN training
You can create custom layers and define custom loss functions for output layers. The output layer uses two functions to comput...

6 mois ago | 1

Answered
Does Matlab R2019a support Automatic Differentiation in Deep Learning Toolbox (or otherwise)?
Hi, No, 19a doesn't support auto diff. We're actively working on it and hope to support in a later release. Shounak

7 mois ago | 0

Answered
How to add a layer to a neural network while keeping the weights and biases of a trained layer constant?
Hi, Re: Alternatively, how can I add one more layer to the neural network without changing the weights on the existing layer/s ...

7 mois ago | 0

Answered
Is it possible to combine two neural networks in MATLAB?
Hi Isa, If I understand your question correctly, you want to train 2 neural networks simultaneously and then combine them int...

environ un an ago | 1

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Can I give mathworks a few tips on the development of the Deep Learning Toolbox?
Hi Cui, Thanks for your comment. We are actively working on the features you mentioned in your post. We are continuously m...

environ un an ago | 1

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Answered
Convolutional LSTM (C-LSTM) in MATLAB
Hi Jake, Unfortunately, we do not directly support C-LSTM. We are working on it and it should be available soon. -- Sho...

environ un an ago | 0

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Answered
How to manually calculate a Neural Network output?
Unfortunately, using deepDreamImage() is not possible in this case.

environ un an ago | 0

Answered
how to use multiple input layers in DAG net as shown in the figure
Hi Marcello and Arjun, Support for multiple Input layers are not supported as of the 18b release. We are working on it and it...

environ un an ago | 2

Answered
Deep Learning - Generating code for trained sequence data
Hi Ramakrishnan, Unfortunately, we do not support code-gen for LSTMs yet. We plan to add that functionality soon. Thanks ...

environ un an ago | 0

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Answered
Question related to deepLearning
Hi Zhi, The error message is very clear. Look at the first layer in AlexNet - the input layer. It accepts inputs of size 227...

environ un an ago | 0

Answered
Regarding Multi-label transfer learning with googlenet
We do not support sigmoid activation. You can use the softmax activation function. You don't need to define the neurons in the s...

environ un an ago | 0

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Answered
Transfer learning without imresize or imageDatastore
Hi Michael, Thanks for your question. If you need to resize, apply augmentedimagedatastore to your image datastore - it w...

plus d'un an ago | 0

Answered
Visualizing features and activations in a DAG model
Hi Siva, Great feedback. DAG activations was something that was out with the 18a release in March. Does something like th...

plus d'un an ago | 0

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Answered
How to transform fully connected layer into convolution layer?
Hello QU, Can you please tell me if you're using a Series or DAG network? The steps to replace a layer is different for these...

plus d'un an ago | 0

Answered
LSTM for Regression in Matlab2017b???
Hi Jake and Mona, Regression for LSTMs has been added in the 2018a release. You can learn more about it at https://www.mathwo...

plus d'un an ago | 0

Answered
Undefined function or variable error using Neural Network Toolbox
options = trainingOptions('sgdm', ... 'MaxEpochs',maxEpochs, ... 'MiniBatchSize',miniBatchSize, ... 'Shuf...

environ 2 ans ago | 0

Answered
Does anyone know of code for building an LSTM recurrent neural network?
As of 17b, MATLAB does support LSTMs. Please check https://www.mathworks.com/help/nnet/examples/classify-sequence-data-using-ls...

environ 2 ans ago | 0