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Mahesh Taparia


Last seen: 3 days ago

MathWorks

120 total contributions since 2019

I am an Engineer in the Engineering Development Group at Mathworks, Hyderabad.
My area of interest are signal processing, machine learning, deep learning and communication systems.
DISCLAIMER: Any advice here are my own and no way reflect that of the Mathworks.

Mahesh Taparia's Badges

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  • 6 Month Streak
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Answered
Convolution neural network equations
Hi As you know about the feedforward and backpropagation process, for feedforward network we need to create the network archite...

25 days ago | 1

| accepted

Answered
Extracting network from a 3D geometry
Hi You can do this by using thresholding as suggested. For example, consider the line of code: a=imread('image.png'); gray=r...

27 days ago | 1

Answered
How Can I combine HOG descriptors as input and CNN for Classification as output
Hi It seems you want to classify the image based on HOG features. You can do by storing the features in an array and pass it to...

27 days ago | 0

Answered
Matrix Dimension must agree - Vectorization
Hi It seems you want to apply a function on each element of an array without applying for loop. In this case, create that funct...

27 days ago | 0

Answered
How to Calculate White/Black Ratio within a border of an image
Hi You can find the ratio of black to white part by removing the top and bottom black pixels into calculation. After removing t...

29 days ago | 0

Answered
How to know the GPU memory needed when training a detector network like faster R-CNN?
Hi I think 6GB GPU is enough for your code. Check if the code is running on CPU/ GPU. To run the code on GPU, set ExecutionEnvi...

30 days ago | 0

| accepted

Answered
Checkpoint not working with batch normalization
Hi The possible workaround of this problem is to save the weights of the network or the complete workspace after completion of ...

1 month ago | 0

Answered
How can I turn off the activation of a single unit in deep neural networks?
Hi You can create a custom activation function in MATLAB and can keep the particular unit as same and for the rest of the nodes...

1 month ago | 0

Answered
Further documentation for regionprops
Hi The centroid coordinate is the mean of the points coordinates (x and y coordinate values) of each connected component.

1 month ago | 0

Answered
Empty sym: 0-by-1
Hi The function solve is the symbolic solver. You can use vpasolve function to find the solution. For example, for your case: ...

1 month ago | 0

Answered
Gaussian process realization for random samples
Hi The predict function use to predict the output of the trained model. The model can be classification/ regression model. For ...

2 months ago | 0

Answered
Classifying new image after PCA in SVM
Hi From your code and the error message, it seems the variable xGrid did not have the 2 columns. [~,score]=predict(SVMModels{...

2 months ago | 0

| accepted

Answered
OCR unable to read 0×0 empty char array
Hi I am assuming OCR is not working and you are getting an empty array. Sometimes it require preprocessing to improve the resu...

2 months ago | 0

Answered
How I can get ANN Regression MATLAB code
Hi You can find the sample code of ANN regression in this documentation. Hope it will help!

2 months ago | 1

Answered
DeepFake detection using Deep Learning
Hi Regarding your Q1, try to keep equal number of images for each class to avoid data imbalance. Moreover, if dataset is less t...

2 months ago | 0

Answered
Creating an Partial Initial Population of Matrices for a Genetic Algorithm
Hi Double is the variable datatype. If A is the matrix, you can check the variable class of the matrix by whos A If it is no...

2 months ago | 0

Answered
Why prediction accuracy is higher with noisy images than denoised images?
Hi Adding noise in the training dataset act as a regularizer and it prevent overfitting. So the prediction accuracy is more. ...

2 months ago | 0

Answered
How to Predict metal temperature by using the Machine learning ?
Hi This is a regression problem. There are many regression algorithms like linear regression, SVR, Neural networks, etc which ...

2 months ago | 0

Answered
constructing a superpixel image using SLIC algorithm
Hi You can refer to the example given in the documentation of superpixels function here. Hope it will help.

2 months ago | 0

Answered
How can I see the connection of the hidden layer in CNN?
Hi I think you are asking how the CNN works. Let the size of the feature of the 1st layer is M1XN1XD1. For the second layer, l...

3 months ago | 1

Answered
parameters calculation in cnn
Hi I think, you want to know the network parameters information. First define the network and train with your dataset. You can ...

3 months ago | 0

Answered
deep learning RMSE and loss
Hi The inbuilt trained VDSR model is having a size of 41X41X1. But you can change the input size and retrain the VDSR model. F...

3 months ago | 0

Answered
reinforcement learning toolbox ---fail to train stores saved agents in a MAT-file in the folder
Hi There is in built agent file named rlQuadrupedAgent.mat in MATLAB directory. But there is no file named as Agent512.mat. Yo...

3 months ago | 0

Answered
Classification of cervical cell using deep learning
Hi You can refer to the example on image classification here. Also, you can use several inbuilt model. For more information, re...

3 months ago | 0

Answered
May I use Gaussian Mixture Model after using any method of Dimensionality Reduction?
Hi I think you are asking if GMM can be used after applying the dimension reduction techniques on a dataset. Yes, you can apply...

3 months ago | 0

Answered
trying to do retinal vessel segmentation with mean-c thresholding
Hi You are converting a double image to uint8 format due to which you are unable to visualize the segmentation. Keep in double ...

3 months ago | 0

Answered
Hi i need help trying to extract the name of a value associated to an array
Hi You can create a separate string array with the same elements in the same order and access those with corresponding max ind...

3 months ago | 0

Answered
How can I reduce extract features from a set of Matrices and vectors to be used in Machine Learning
Hi You can vectorised the 3X3 matrix to 9X1, then append with the rest of the features to make the 'd' dimensional input data, ...

3 months ago | 0

Answered
How to get the PI control value by using Bode Plot Method?
Hi You can use 'pidtune' function on transfer function to find the PI value. For example: [C_pi,info] = pidtune(transferFcn,'P...

3 months ago | 0

Answered
Is it possible to have StopTrainingCriteria in rlTrainingOptions ( RL Toolbox )
Hi It can be done by defining the threshold in the training option. For example, set the "AverageReward" as threshold and defi...

3 months ago | 0

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