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Mahesh Taparia


Last seen: 2 jours ago

MathWorks

134 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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  • Knowledgeable Level 3
  • 6 Month Streak
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Answered
color detection with convolutional network
Hi In this case, you can consider it a image classification task where output is the color category.You can refer to this docu...

13 jours ago | 0

| accepted

Answered
Query regarding using image3Dinputlayer
Hi To train a CNN, the input size needs to be same. The possible workaround in your case can be, try to append a matrix of zero...

14 jours ago | 0

| accepted

Answered
Using DeepLearning Toolbox to approximate function - possible?
Hi If the input output relation is known, then it straight forward to use that relation and estimate the result. In your case, ...

14 jours ago | 0

Answered
1D CNN/ DNN for regression
Hi You are adding 9 different noise in input and reconstructing the original input. Still it is unclear about the noise additi...

environ un mois ago | 0

| accepted

Answered
How to count the objects after implementing Semantic segmentation ?
Hi You can find the binary image of a class, which consists of background pixels and the class pixels. After that you can use r...

environ un mois ago | 0

Answered
Neural network Nonlinear regression
Hi By looking at your input output size, I am assuming you are estimating 99 dimensional output from 4 dimensional input. You c...

environ un mois ago | 0

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Answered
Crop resulting image in Cascade object Detector
Hi The detector is returning the coordinates of the bounding box which is present in the image. It may be in the format of (x,y...

environ un mois ago | 0

Answered
How to deal with inputs of different sizes for a deep learning model like 3D U-Net and V-Net?
Hi Input size of a CNN is required to be same because the network architecture depends upon the dimension of input. As your dat...

environ un mois ago | 0

Answered
Summing Elementwise Values in a Vector
Hi You can refer the below code which can be used to find the sum of the elements which you are doing. Hope it will help! func...

environ un mois ago | 0

Answered
How to visualize the predicted values of segmentation from softmax output?
Hi The softmax layer gives the probability of the predicted class. To get the segmented result from that, you can put the prob...

environ 2 mois ago | 0

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Answered
Get input/output gradient of neural network
Hi In general, in any neural network, the network tries to learn the weights which can reduce the cost/ loss function. The grad...

environ 2 mois ago | 0

Answered
How to generate the convolution density and integrate it on [a,b] fastly and precisely?
Hi You can use 'conv' function to perform the convolution of the CDF and 'integral' function to perform integration. For more i...

2 mois ago | 1

Answered
Is there any simulink block model for ball bearing?
Hi There is a similar question answered here, hope it will help.

2 mois ago | 0

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Answered
Create Graphics with Matlab
Hi It seems you want to plot the multiple function in a single figure. You can use the 'plot' function to plot it. For more in...

2 mois ago | 0

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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...

3 mois ago | 1

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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...

4 mois 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...

4 mois 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...

4 mois 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...

4 mois 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...

4 mois ago | 0

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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 ...

4 mois 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...

4 mois 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.

4 mois 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: ...

4 mois 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 ...

4 mois 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{...

4 mois ago | 0

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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...

4 mois 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!

4 mois 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...

5 mois 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...

5 mois ago | 0

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