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Shashank Gupta


Last seen: 6 dagar ago

MathWorks

66 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

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

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Answered
Why NaN values are found in score from kfoldPredict
Hey Yean, Yes, you get NaNs at the output score, those NaNs value index denotes the "HoldOut" fraction which is used as validat...

6 dagar ago | 0

Answered
how to adjust the size of the imported image to use it in (rgb2gray()) ?
Hi Ahmed, The error "MAP must be a m x 3 array." is generally occurs when one try to pass one channel image(possibly gray image...

6 dagar ago | 0

Answered
Collaborative Representation Classifier with Training and Validation Data
Hey Shay, You can probably first start with attacking a simpler problem by just taking training set and test set and omitting v...

7 dagar ago | 0

Answered
Calculate the measurements of a Binary Image with an ndims of 3
Hey Ryan, you might need to convert your RGB image to Gray image first and then binarize it, this will make sure you have ndim ...

7 dagar ago | 0

Answered
Create a multiclass SVM classification with templateSVM and a custom kernel
Hi Alberto, I just took your gram matrix and able to define it properly, can you elaborate what you all did? Just for the refer...

8 dagar ago | 0

Answered
Wavelet Transform: Signal reconstruction from D3 to D6
Hi Enrico, Did you check out wrcoef function, it can be used to reconstruct the wavelet transformed signal. you may need to do ...

8 dagar ago | 0

Answered
How to match pixel locations to blob identity with region props
Hi, regionprops function have one property which finds orientations of the blobs, you could directly use them to find the direc...

8 dagar ago | 0

Answered
Number of observations in X and Y disagree.
Hi Ben, I am not sure if you already figured out the mistake. Neverthless it seems the YTrain has 26 classes which is conflctin...

29 dagar ago | 0

Answered
Custom deep learning loop take more memory than using trainNetwork()?
Yes, it is an expected behaviour, the custom loop does take some extra amount of memory while the existing function trainNetwork...

29 dagar ago | 0

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Answered
AIC SVR REGRESSION LEARNER APP
Currently regression learner app doesn't show the AIC values for all algorithm, if you interested to find the AIC, you can do it...

29 dagar ago | 0

Answered
Using OCR to find handwritten digits
Hi Odey, Have you looked at this example, If not give it a try, It might resolve some of your problem. Let me know if this help...

ungefär en månad ago | 0

Answered
How is 'score' calculated in fscmrmr?
Hi Cordelia, The scores here represents the scores of individual features in respect to previously selected feature (also menti...

ungefär en månad ago | 0

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Answered
Object recognition in binary Image
Hi Florian, you can simply take out the black areas from the image by thresholding pixels values. Below is reference code for y...

ungefär en månad ago | 0

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Answered
How to rotate the field vectors in the minimum covariance direction?
Hi Megha, I am assuming the minimum covariance direction here means the direction in which the spread(variance) of data is leas...

ungefär en månad ago | 0

Answered
modulation classification using deep learning
Hi Fatma, we generally put the data in some datastore so as to have a better control over the processing of data. you can consi...

ungefär en månad ago | 0

Answered
R-CNN Deep Learning with 3D Data
Hi Ana, Generalising the 2d RCNN model to 3d is not so easy as it seems. the relevance that you intent to make from 2d and then...

ungefär en månad ago | 0

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Answered
Does validation data influence the results of YOLO V2 and faster R-CNN?
Hi, Validation data doesn't influence the results untill and unless the data is used during the training. validation data is ha...

ungefär en månad ago | 0

Answered
How to do multiple lines fitting on the images using MATLAB?
Hi, This problem is a known research problem in the community and is known by Lane detection, you can find enough resources/pap...

ungefär en månad ago | 0

Answered
Retaining specific colors while tracking objects
Hi Veena, I tried taking a series of images with some motion and without changing anything in the function, the watershed funct...

ungefär en månad ago | 0

Answered
Error deploying DNN "Unable to resolve the name coder.internal.loadDeepLearningNetwork."
Hey Wilmer, The error looks more like an installation package problem, Have you downloaded the required GPU coder packages need...

ungefär en månad ago | 0

Answered
Equal outputs using customized regression output layer
Hi Fabrizio, On the first look, the code does look good and it should work, did you check increasing the number of epoch and de...

ungefär en månad ago | 1

Answered
Which solver would you recommend for multi(6) objective and multi(6) variable optimization with or without the toolbox. Is it even possible to put boundaries on these variables without optimization functions/toolbox?
Hey Tasnim, These equation seems non linear in nature, probably using solve function to optimise would make sense. Do setup the...

ungefär en månad ago | 0

Answered
Algorithm that recognizes decays
Hi, You can tackle this problem by using first order derivative of the data. First find the difference array, you can refer to ...

ungefär en månad ago | 0

Answered
Matlab imfindcircles shows weird behaviour when defining radius
The algorithm itself is little bit tricky when we pass the approximate value for radius. I have a workaround for such scenerios,...

ungefär en månad ago | 0

Answered
isoutlier Function, How window slides at edges.
Hi, Yes, there is change of window length at the edge cases, When you use "movmedian" methods to calulate the outliers, interna...

ungefär en månad ago | 1

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Answered
Read a 32 bit immage .bpm
Hi, I am not exactly sure what you intent to do, but, Yes you can read .bmp file using imread function, it does compress the da...

ungefär en månad ago | 0

Answered
SVR regression in regression learner APP
Yes, it is reliable way of training. Learner App does nothing extra, it uses same internal function and just a good looking UI o...

ungefär en månad ago | 1

Answered
How Matlab measure accuracy, sensitivity and specificity in faster rcnn?
Check out evaluateDetectionPrecision. which is same as you mentioned about detectorPrecisionRecall. you must have seen that this...

ungefär en månad ago | 1

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Answered
Upper triangular matrix input to Upper triangular matrix output as an out put of Neural Network?
Hi Anand, On the first look, I really can't think of any way to make sure the output and input of NN comes at the same index. Y...

ungefär en månad ago | 1

Answered
Smoothing signals with windows
Hi Sebastian, By the first look at the code, it seems correct. the starting point you talks about is way below 1 seems possible...

ungefär en månad ago | 0

| accepted

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