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Shashank Gupta


Last seen: 1 day ago

MathWorks

59 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
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...

3 days 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...

3 days 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...

3 days ago | 0

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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...

8 days ago | 0

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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...

8 days 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...

8 days ago | 0

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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...

9 days ago | 0

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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...

9 days ago | 0

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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...

16 days ago | 0

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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...

16 days ago | 0

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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...

16 days ago | 0

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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...

17 days ago | 0

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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...

17 days ago | 0

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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...

17 days ago | 1

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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...

17 days ago | 0

Answered
Algorithm that recognizes start of decrease of graph and gives a decrease rate as outcome
Hi, You can tackle this problem by using first order derivative of the data. First find the difference array, you can refer to ...

17 days ago | 0

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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,...

18 days ago | 0

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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...

18 days 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...

18 days 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...

18 days 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...

18 days 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...

18 days 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...

19 days ago | 0

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Answered
How to use bayesian optimization?
Hi Tessa, Try checking out bayesopt function. You have to write your own objective function for bayeopt to perform. while const...

19 days ago | 0

Answered
Why do I get error undefined function or variable?
you haven't define some variable in your code. these error occur when compiler trying to access a function or variables and it i...

19 days ago | 0

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How to specify the number of gpu to train a deep learning model.
There area multiple ways to set gpu prefernces for your training, one of them is using gpuDevice function. Look at the documenta...

19 days ago | 1

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Answered
Video to Image Regression
Hi Michael, Since your input to the model is a video data, it is appropriate to use 3D image datastore. Also Unet archtecture y...

4 months ago | 1

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Answered
How can I obtain pixel values from imfuse?
Hi Marco, The function “imfuse” by default use “falsecolor” algorithm, so the green and magenta color you able to see are the ...

5 months ago | 0

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error Loading onnx model exported from pytorch to matlab
Hi Yasser, Yeah right now “importONNXNetwork” only support 3D-sequence-batch tensor or 4D image batch tensor. you can perhaps ...

9 months ago | 0

Answered
Bounding Box Is Not Showing For RCNNobjectdetector
Hi Matthew Parris, I see what you are intent to do, But I have some confusion/doubt in your code. I can’t seem to find the RCNN...

9 months ago | 0

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