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Shashank Gupta


Last seen: Today

MathWorks

33 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

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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...

24 hours ago | 1

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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 ...

27 days 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 ...

6 months ago | 0

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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...

6 months ago | 0

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Classification Learner App :: Logistic Regression - Decision Making
Hi Tarunima, Classification Learner App is just an UI, interior the same Deep learning algorithm has been implemented. If you a...

6 months ago | 0

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Segmentation Overlapping Bone of shoulder X-ray image
Hi Nurul, Recently, there are many different image processing algorithms are developed for medical segmentation. I can suggest ...

6 months ago | 0

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ROC curve for the validation set
Hi Uerm, I don’t see any point, why “perfcurve" function should not work. You even used the same function in your training part...

6 months ago | 0

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Creating RCNN Detection Using Transfer Learning
Hi Matpar, I am not sure what “gunx.mat” file contains, but by looking at the error message, one can decode that the variable n...

6 months ago | 0

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Dropout Layer Before Fully connected Layer
Hi Abdussalam, Yes, you can use Dropout layer before the fully connected layer, Dropout is just a regularization technique for ...

6 months ago | 0

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Answered
Verifying a prediction result
Hi Nathan, If you are dealing with huge datasets, then it is recommended to use some datastore function of MATLAB. May be the f...

7 months ago | 0

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Answered
Time series prediction using LSTM
Hi, While working on LSTM, we cannot have a final, definite, rule of thumb on how many layers or nodes or hidden neuron/units o...

7 months ago | 0

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Multivariate logistic Regression with binary predictors
Hi, In my opinion you can apply multivariant logistic regression, but you need to take care of the blank or missing values in b...

7 months ago | 0

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Eigen value of 100*100 Symbolic Matrix
Hi Patel, Matrix computations which involvs many symbolic variables can be slow. In your case we have 100x100 symbolic matrix w...

7 months ago | 0

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Answered
Sym: The second argument must be a vector of symbolic variables
Hi Alejandro, This error generally arises when a multiple array or a vector of equation is passed in “Solve” function. You can ...

7 months ago | 0

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Tracking colored balls from phone camera
Hi Dominique, The first problem which you mentioned about the script which is combining two different color and seeing them as ...

7 months ago | 0

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How to detect circle in this pic?
Hi Kim, Looks like you are trying to implement a Hough transform algorithm from the scratch. MATLAB already has the function “i...

7 months ago | 1

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How to import pretrained models with multiple outputs to MATLAB?
Hi Amin, The issue which you mentioned is a known issue and the concerned team is working on it. One thing that can be tried a...

7 months ago | 0

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How can I train a network to use clustering on a set of images, to extract an object?
Hi Tom, Object segmentation using K-means clustering algorithm works only when the object in the image is differentiable quite ...

7 months ago | 0

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kalmd gain L in descrite
Hi, The stack of error above shows the Riccati condition violates during the stabilization of Kalman solution. As it says, In ...

7 months ago | 0

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Calculating a log liklihood ratio test based on covariance and mean.
Hi Niveditha, There is a function in MATLAB “lratiotest” which will calculate the likelihood ratio test, given the model specif...

9 months ago | 0

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Is it possible to include dropout in a fitting network?
Hi Carolin, Input argument of fitnet function takes array as an input. This array contains the number of neuron to be set up in...

9 months ago | 0

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i need matlab code for ant colony optimization for length find(target-order==0)
Hi Shobana, Ant colony Optimization (ACO) and Particle swarm optimization(PSO) are the recent Evolutionary algorithm and need a...

9 months ago | 1

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Error when importing trained Keras network
Hi Cyrus, This is an MException error, generally occur when an inappropriate identifier has been passed to the function. Follo...

9 months ago | 0

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Answered
Error in running 3-D Brain Tumor Segmentation Using Deep Learning
Hi Jennifer, Cannot unzip file. tempdir needs write permissions and sufficient free space this stack of error suggest that “ni...

9 months ago | 0

Answered
Shadow removal in aerial images
Hi Divya, I would suggest to first create a mask of shadow, now there is a lot of different methods like morphological operatio...

9 months ago | 1

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Answered
SURF features from RGB
Hi Olivia, Bag of features also uses the same “detectSURF” function to detect the surf features. Although you are storing RGB i...

10 months ago | 0

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Importing Caffe network error ' Scale layer without a preceding BatchNorm layer'
If we see the original paper of Batch Normalization, the author mentioned that, “we make sure that the transformation inserted i...

10 months ago | 0

Answered
Cost in fitcecoc input
I am not sure what LabelsRed variable is in your code but let’s just assume you have defined misclassification cost matrix corre...

10 months ago | 0

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Relative Gain Array(RGA) for Laplacian matrix ( which have zero eigenvalues )
Generally, RGA is calculated for non-singular matrices but in some specific cases similar idea can be expanded to singular matri...

10 months ago | 0

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Answered
How can I do mutli-class classification with the 3D Unet ?
Multiclass classifiers are very similar to binary classifier, you may need to change the last layer of your model to make the mu...

10 months ago | 0

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