Answered

how to build a neural network with inputs as audio features extracted with cqcc and pca applied to them and output to classify which is spoof or genuine, using asvspoof2017 dataset

Hi pranav, You need to read audio file and extract feature through cqcc. Check out this link. Here are many example on how to e...

how to build a neural network with inputs as audio features extracted with cqcc and pca applied to them and output to classify which is spoof or genuine, using asvspoof2017 dataset

Hi pranav, You need to read audio file and extract feature through cqcc. Check out this link. Here are many example on how to e...

2 meses ago | 0

| accepted

Answered

CNN multi image classification with 4 channel

Hi, I think the problem is in forming the datastore. I have one more way to combine the datastore. Please refer to following pi...

CNN multi image classification with 4 channel

Hi, I think the problem is in forming the datastore. I have one more way to combine the datastore. Please refer to following pi...

2 meses ago | 0

Answered

Artificial Neural Network - 2 inputs, 11 outputs

Hi Alex, You can tackle this problem in many different way, all you need to do is form a proper deep neural network and train t...

Artificial Neural Network - 2 inputs, 11 outputs

Hi Alex, You can tackle this problem in many different way, all you need to do is form a proper deep neural network and train t...

2 meses ago | 0

| accepted

Answered

Can I extract the pretrained encoder part from 3D Unet to use it in classification?

Hi, Yes you need to convert the DAGNetwork to layer Graph as mentioned by @Jack Xiao, you can do this by simply using layerGrap...

Can I extract the pretrained encoder part from 3D Unet to use it in classification?

Hi, Yes you need to convert the DAGNetwork to layer Graph as mentioned by @Jack Xiao, you can do this by simply using layerGrap...

2 meses ago | 0

Answered

how to change nnstart's params in deep learning toolbox ?

Hi, Its not possible to change activation function from nnstart gui, You actually need to use fitnet or patternet function to i...

how to change nnstart's params in deep learning toolbox ?

Hi, Its not possible to change activation function from nnstart gui, You actually need to use fitnet or patternet function to i...

2 meses ago | 0

| accepted

Answered

ML error: Index in position 2 exceeds array bounds (must not exceed 1).

Hi Christian, I am not able to reproduce the error. I took a sample data of same size as you mentioned and I am able to train t...

ML error: Index in position 2 exceeds array bounds (must not exceed 1).

Hi Christian, I am not able to reproduce the error. I took a sample data of same size as you mentioned and I am able to train t...

2 meses ago | 0

Answered

Huber loss in feedforwardnet

Hi Abdulaziz, There are multiple ways to do it. First and easy way is to shift to deep neural network framework rather than usi...

Huber loss in feedforwardnet

Hi Abdulaziz, There are multiple ways to do it. First and easy way is to shift to deep neural network framework rather than usi...

2 meses ago | 0

| accepted

Answered

Complicated triple integrals with a small coefficient (order of -7) that disabled MATLAB?

Hi Jianming, The warning which you came across generally arises when the function is not smooth enough and that's why it become...

Complicated triple integrals with a small coefficient (order of -7) that disabled MATLAB?

Hi Jianming, The warning which you came across generally arises when the function is not smooth enough and that's why it become...

3 meses ago | 0

Answered

In learning curve, training error decrease with increase training datasize.

Hi, These all figures boils down to number of learnable parameter v/s training data size. Regularization and all does have impa...

In learning curve, training error decrease with increase training datasize.

Hi, These all figures boils down to number of learnable parameter v/s training data size. Regularization and all does have impa...

3 meses ago | 0

| accepted

Answered

Question of Hyperparameter tuning of shallow neural network

Hi Qiang, The points raised by the reviewers are valid, you can't just optimize one variable and leave the rest as it is. even ...

Question of Hyperparameter tuning of shallow neural network

Hi Qiang, The points raised by the reviewers are valid, you can't just optimize one variable and leave the rest as it is. even ...

3 meses ago | 0

| accepted

Answered

GlobalSearch does not keep the best solution

Hi ghazal, The optimization becomes very difficult with increase in the dimension or parameter. I am not sure what exactly can ...

GlobalSearch does not keep the best solution

Hi ghazal, The optimization becomes very difficult with increase in the dimension or parameter. I am not sure what exactly can ...

3 meses ago | 0

Answered

Classification Learner App: creating a table from the parallel coordinate plots

Everything which is done on classificationLearner app can be regenerated on command line. You just need to export the trained mo...

Classification Learner App: creating a table from the parallel coordinate plots

Everything which is done on classificationLearner app can be regenerated on command line. You just need to export the trained mo...

3 meses ago | 0

Answered

Error exporting trained neural network model using ONNX to onnx format

Hi faraz, you are using shallow neural network and this network does not belongs to any of the above network datatype and thus ...

Error exporting trained neural network model using ONNX to onnx format

Hi faraz, you are using shallow neural network and this network does not belongs to any of the above network datatype and thus ...

3 meses ago | 0

Answered

perform an operation on a series of varibles with different names

Hi, there are multiple way of doing this, but most convenient and structured way would be make a matrix u & v where each colum...

perform an operation on a series of varibles with different names

Hi, there are multiple way of doing this, but most convenient and structured way would be make a matrix u & v where each colum...

3 meses ago | 0

Answered

Invalid training data. The output size (11) of the last layer does not match the number of classes (1).

Hi Youngmin, did you check the datastore which you created? does it have label information attached with it. My first guess loo...

Invalid training data. The output size (11) of the last layer does not match the number of classes (1).

Hi Youngmin, did you check the datastore which you created? does it have label information attached with it. My first guess loo...

3 meses ago | 0

Answered

PointCloud issues with location XYZ

Hi, Can you attach one of the sample file for me to investigate. But my first guess looking at the data would be, you might hav...

PointCloud issues with location XYZ

Hi, Can you attach one of the sample file for me to investigate. But my first guess looking at the data would be, you might hav...

3 meses ago | 0

Answered

Can I train a symbol as special character with ocr?

Hi Pedro, I think you need to train an ocr to compensate for the symbol. you can refer to ocrTrain App in MATLAB. you manually ...

Can I train a symbol as special character with ocr?

Hi Pedro, I think you need to train an ocr to compensate for the symbol. you can refer to ocrTrain App in MATLAB. you manually ...

3 meses ago | 0

Answered

How to calculate the mean of an interval (from a vector) in a loop?

Hi Paul, There is one more convenient way of doing this, you can reshape your array in a matrix of shape (rows,10) such that ea...

How to calculate the mean of an interval (from a vector) in a loop?

Hi Paul, There is one more convenient way of doing this, you can reshape your array in a matrix of shape (rows,10) such that ea...

3 meses ago | 1

Answered

Replacing Matirx after each loop

Hi, I don't quite follow the operations you are performing, but here is the general template of such problems. It looks like a ...

Replacing Matirx after each loop

Hi, I don't quite follow the operations you are performing, but here is the general template of such problems. It looks like a ...

3 meses ago | 0

| accepted

Answered

solve second order non-linear partial differential equation with boundaries conditions

Hi Alessia, There are many way to solve the above differential equation and some of them are well documented, refer to bvp4c f...

solve second order non-linear partial differential equation with boundaries conditions

Hi Alessia, There are many way to solve the above differential equation and some of them are well documented, refer to bvp4c f...

3 meses ago | 0

| accepted

Answered

Matlab function "pcg" with zero iterations?

Hi Carlo, Yes, pcg function can return 0 iteration and yes it has some significance. It just mean that the initial guess is a g...

Matlab function "pcg" with zero iterations?

Hi Carlo, Yes, pcg function can return 0 iteration and yes it has some significance. It just mean that the initial guess is a g...

3 meses ago | 0

Answered

Can you change the entire color gradient of a word cloud?

Yeah you can specify the colour based on occurence of words while using the function wordcloud. Here is the link for the same. I...

Can you change the entire color gradient of a word cloud?

Yeah you can specify the colour based on occurence of words while using the function wordcloud. Here is the link for the same. I...

3 meses ago | 0

| accepted

Answered

Recovering latent coordinates of an image in GAN

Hi Alexander, It is very interesting question. Although as far as I am aware of, there is no such example in MATLAB to demonstr...

Recovering latent coordinates of an image in GAN

Hi Alexander, It is very interesting question. Although as far as I am aware of, there is no such example in MATLAB to demonstr...

3 meses ago | 0

Answered

Optical Recognition of Handwritten Digits

You can directly use the load function to load the data in the workspace. I try loading it and able to properly load it in the w...

Optical Recognition of Handwritten Digits

You can directly use the load function to load the data in the workspace. I try loading it and able to properly load it in the w...

3 meses ago | 1

Answered

How to subsample a dataset per week

Hi, I am assuming you have the table t and then you want to know first sampled data of the week. As far as I know there is no f...

How to subsample a dataset per week

Hi, I am assuming you have the table t and then you want to know first sampled data of the week. As far as I know there is no f...

3 meses ago | 0

Answered

how to evaluate LSTM network

Hi Safwana, RMSE is generally the most typical loss function to use in regression problem and most of the time it gives optimal...

how to evaluate LSTM network

Hi Safwana, RMSE is generally the most typical loss function to use in regression problem and most of the time it gives optimal...

3 meses ago | 0

Answered

Histogram and Normalized Histogram for an Image

Hi Wadee. Check out imread function for reading an image and imhist function to plot the image histogram. I am not sure if you ...

Histogram and Normalized Histogram for an Image

Hi Wadee. Check out imread function for reading an image and imhist function to plot the image histogram. I am not sure if you ...

3 meses ago | 0

Answered

Help: I tried to predict one predictand with 7 predictors with LSTM but failed

Hi, You have to convert XTrain and YTrain into cell arrays and the feature dimension which you used as input in InputSequencela...

Help: I tried to predict one predictand with 7 predictors with LSTM but failed

Hi, You have to convert XTrain and YTrain into cell arrays and the feature dimension which you used as input in InputSequencela...

3 meses ago | 0

Answered

Use of Matlab's OCR to recognize Math Equation

Hi, OCR detection MATLAB uses is actually tesseract implementation and Math Equation as mentioned in tesseract official page is...

Use of Matlab's OCR to recognize Math Equation

Hi, OCR detection MATLAB uses is actually tesseract implementation and Math Equation as mentioned in tesseract official page is...

3 meses ago | 0

Answered

empty sym: 0-by-1 for Simultaneous equation

Hi Jacob, If the solve function returns empty object then there is no solution exist for the given set of equations. I suggest ...

empty sym: 0-by-1 for Simultaneous equation

Hi Jacob, If the solve function returns empty object then there is no solution exist for the given set of equations. I suggest ...

4 meses ago | 0