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Mahesh Taparia


Last seen: 2 days ago

MathWorks

110 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

  • Revival Level 1
  • Knowledgeable Level 3
  • 6 Month Streak
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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 ...

20 days 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{...

21 days 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...

21 days 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!

22 days 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...

23 days ago | 0

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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...

24 days ago | 0

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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. ...

24 days ago | 0

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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 ...

24 days ago | 0

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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.

25 days ago | 0

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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...

2 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 ...

2 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...

2 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...

2 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...

2 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...

2 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 ...

2 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...

2 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, ...

2 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...

2 months ago | 0

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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...

2 months ago | 0

Answered
train network error. reshape number of elements must not change. Use [] to automatically calculate the dimension size.
Hi You are having an input of size MxN and you are directly reshaping it to a vector of length 1x1. Before the fullyConnectedLa...

2 months ago | 0

Answered
How to solve equations with functions which contain unknown
Hi If 'As' is a known variable then define in your code and if it is unknown and symbolic variable then define using syms funct...

2 months ago | 0

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Answered
how can I fit the regression model to a periodic data?
Hi You can use the Curve Fitting Toolbox for this application. There are several possible ways to do that. You can refer to thi...

2 months ago | 0

Answered
Error using vertcat Dimensions of arrays being concatenated are not consistent.
Hi By looking at your code, s = [s; zeros(20*L,1)]; you want to append the rows which consists of zeros. You have mentioned ...

2 months ago | 0

Answered
how to use deep learning with multivariable?
Hi It is not clear what kind of data you are having and what you want to do with that.Explain it. Also confirm whether you are...

2 months ago | 0

Answered
DICOM data as input for Deep Learning
Hi It seems that you are unable to load the mat file into the network. Your input is in mat file format. So, create a custom re...

2 months ago | 0

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Answered
segmentGroundFromLidarData for pcd file
Hi The input of the function segmentGroundFromLidarData will be a point cloud. You mentioned that your file is having mxn array...

2 months ago | 0

Answered
CNN for video frame prediction
Hi There are some papers based on frame prediction which are using CNN , autoencoder, etc based approach. You can pick anyone o...

3 months ago | 0

Answered
Classification of Leaf Hydration state based on Leaf Colour
Hi You are having very less data to use deep learning, you can use those data at first. Use data augmentation to increase the d...

3 months ago | 0

Answered
Morphological Transformation, remove border border of a closed image
Hi Using morphological operations and connected components algorithm, the problem can be solved with the minor loss of bottom ...

3 months ago | 0

| accepted

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