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Shashank Gupta


Last seen: Today

MathWorks

132 total contributions since 2019

I am an Application software engineer at Mathworks.
my area of interest includes soft computing algorithm, application of deep learning especially in medical imaging. Image and Video processing.

Disclaimer: Any opinion here are my own and in no way reflect that of Mathworks

Shashank Gupta's Badges

  • 6 Month Streak
  • Knowledgeable Level 3
  • Revival Level 2
  • First Answer

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Answered
Fzero: Index exceeds array elements (1)
Hi Agra, Looking at the setup of the problem, it seems like you are trying to find out the value of 2 variable. I think fzero f...

en dag ago | 0

Answered
Pearson correlation coefficient between 2 images
Hi Ankur, Simplest way to understand/execute the PCC is to check up the source code of the inbuild function "corrcoef" or if yo...

en dag ago | 0

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eqn = sym() not working
Hi Aric, As the error message says, the function "sym" does not support a character array or a string, if you want to convert s...

en dag ago | 0

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I want highest possible accuracy in my Training network
Hi, I haven't tried training your data, but I can give you suggestion on how to improve the accuracy, It generally takes time t...

9 dagar ago | 0

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Array indices must be positive integers or logical values in facial detection
Hi Evan, I think you got confused in defining a facedetector. Check out the following code, this might help you. faceDetector ...

22 dagar ago | 0

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Adding Dropout to narxnet
Hi Andriy, There are some workaround to add a dropout in narxnet, you can add the dropout by defining a custom transfer functio...

23 dagar ago | 0

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Answered
Auido fingerprinting like Shazam
Hi, As of now MATLAB doesn't have an explicit function or example to showcase audio fingerprinting. With a quick search I found...

23 dagar ago | 0

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Answered
Using fmincon and multistart to fit parameters of an ODE
Hi Alistair, Have you tried some other global optimisation techniques such as GlobalSearch or Genetic algorithm, Check out this...

27 dagar ago | 0

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solving for parameters which make f(x1,y1,z1)=f(x2,y2,z2)=f(x3,y3,z3)...etc, given equation f(x,y,z) is known and x,y,z are experimental values.
Hi Sean, I think the best way to approach this problem is to convert them into a matrix form and depending upon the linearity o...

27 dagar ago | 1

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Answered
How to Decompose Time Series Data into Trend and Seasonality?
Hi Carolina, MATLAB as of now does not have an explicite function for decomposition of time series data. But there are workarou...

27 dagar ago | 0

Answered
Neuron Network Training - lstm network - record sounds by microphone
Hi Raz, It looks like an underfitting problem. By the first look of your results, it seems the model is not able to train the d...

27 dagar ago | 0

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Answered
Machine learning methods to segment cells
Hi, There are many good segmentation algorithm available which you can try. Its hard to point out one. Check out this file exch...

30 dagar ago | 0

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Answered
Spam Word Analysis in text
Hi Arthur, Kmeans is also a good option. But I believe Naive Bayes filter will work better. Check out this function. You can al...

30 dagar ago | 0

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How to use a .wav file to extract features of speech?
Hi Abraham, Check out extract or mfcc function in MATLAB. It should help you extract important feature for your audio file. I ...

30 dagar ago | 0

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How to get NaN when txt file is not exist
Hey Benjamin, Check out textscan function, it is useful in the same scenerio as you are interested in. This will help you fill ...

ungefär 2 månader ago | 0

Answered
How to find center (i.e., x and y) of the interference fringes?
Hi, The image which you shared looks like some kind of shock wave. From the first look of the image, I think hard thresholding ...

ungefär 2 månader ago | 0

Answered
Training feedforward neural network
Hi Jente, By my first glance of the code, I can see input is concatenation of transpose of trainSet1 and trainSet2 but output i...

ungefär 2 månader ago | 0

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I want multivariate regression custom code
Hi, By the first look at the code, I can provide you some suggestion to get the model working. First thing is you are providing...

ungefär 2 månader ago | 0

Answered
Apply a double thresholding ITF on an image
Hi, I am not really sure what does ITF thresholding mean. Would you like to elaborate what does it actually mean? But in genera...

ungefär 2 månader ago | 0

Answered
Finding a closed form solution of nonlinear differential equation
Hi Aleem, You should check out dsolve function. Also there are example to show the same problems that you are dealing up with. ...

ungefär 2 månader ago | 0

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Answered
How to add a ground plane to a linearArray?
Hi Colton, I am attaching a small piece of code for the reference and I think this should work for you. lin = linearArray('Ele...

ungefär 2 månader ago | 0

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Problem with boundary condition for coupled pde using PDEPE solver
Hi Kartikey, Check out this link, it has some example demonstrating boudary condition using matrix. Also if you want you can co...

ungefär 2 månader ago | 0

Answered
Evaluation of integral2. Error
Hi Dimitris, It does look like problem is in integration of func_3 and looking at the error I feel like some kind of matrix or ...

ungefär 2 månader ago | 0

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Answered
Saving projections as one data array.
Hi Gideon, What you need to do is read all tiff file in MATLAB and convert them into a big array containing all the images. Che...

ungefär 2 månader ago | 0

Answered
Function importAudioFile does not exist
Hi, you can take help from this file exchange link, I think the implementation you are trying is similar to the link I attache...

ungefär 2 månader ago | 0

Answered
OCR - Digit Slant Detection and Slant Correction
Hi, There are generally 2 ways to deal with such problems. Either you rectify the orientation of image and train the model for ...

ungefär 2 månader ago | 0

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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...

ungefär 2 månader ago | 0

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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...

ungefär 2 månader 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...

ungefär 2 månader ago | 0

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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...

ungefär 2 månader ago | 0

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