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Divya Gaddipati


MathWorks

33 total contributions since 2019

I am an Application Software Engineer at Mathworks India.
My main areas of interest are Computer Vision and Machine Learning.

DISCLAIMER: Any advice or opinions here are my own and in no way reflect that of Mathworks.

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Answered
Loading a saved deep learning network into matlab
Hi, Instead of save net; try using save('net.mat', 'net'); and see if that works.

23 days ago | 1

Answered
how can select a specific bits from logical vectors !
Hi, Making the following changes to your code will solve the issue: Line - 6 b = hex2dec(dat{n}); % since the variable “dat”...

29 days ago | 0

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Answered
Deep Learning Training and Validation Metrics
Hi, I have heard that this issue is known and the concerned parties may be investigating further.

29 days ago | 0

Answered
NaN from ptCloud.Location (Computer Vision toolbox required)
Here are some tips which you can try: • Camera Calibration: Make sure you have good stereo calibration so that your calibration...

30 days ago | 0

Answered
What do these Matlab LSTM parameters means and used for
Hi, numHiddenUnits - This corresponds to the amount of information remembered between time steps (the hidden state). The hidd...

1 month ago | 0

Answered
In the Driving Scenario Designer app, how can I generate a large number of vehicles or a platoon with the same characteristics ?
Hi, I have brought this issue to the notice of our developers. They will investigate the matter further.

1 month ago | 0

Answered
Custom Weighted Classification Layer: Chnage in input value size
As I understand, you want to change the validInputSize to “[x x numClasses]”, which implies a single prediction will be of size ...

1 month ago | 1

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Answered
L1 and L2 Regularization for matlab
You can set the L2 regularization for selected layers using the setl2factor function. You can refer to the following link for ...

1 month ago | 0

Answered
External C++ library support for Simulink Realtime
The error is because the C++ standard template library is not compatible with real-time code. A similar question has been answe...

3 months ago | 0

Answered
How can I launch a FreeFem++ (.edp) file from MATLAB 2018b?
In the ButtonPushed callback function, you can add the following line for executing a .edp file system(['FreeFem++ ' path_to_fi...

3 months ago | 0

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Answered
4D Plot using Columns of Matrix
figure, scatter3(X, Y, Z, 50, F, 'filled'); The scatter3 function can be used, where each point in F is plotted with a differen...

3 months ago | 0

Answered
'Error in default port dimensions function of S-function', 'This function does not fully set the dimensions of output port 2'
In line 50 of your ManoeuvringCode.m, the variable X_u is defined as an expression which is present in your excel sheet in row 4...

3 months ago | 0

Answered
What is an optimum value for Java Heap Memory?
There is no optimal value for Java heap space, as the best allocation depends on what you are doing. The default heap size is su...

3 months ago | 0

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Answered
Creating a Simbolic vector and setting assumptions on it
You can declare assumptions on symbolic variables using the assume function from the Symbolic Math Toolbox. For more information...

3 months ago | 0

Answered
How to add images continuously to a imageDatastore
Since the ‘Files’ and ‘Labels ‘ properties of the imageDatastore function return cell array of character vectors, you can direct...

3 months ago | 0

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Answered
How to process video in parallel?
One possible approach is by using spmd. You could define spmd in such a way that each worker will operate on a chunk of the inpu...

4 months ago | 1

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Answered
Perform 3-D U-Net Deep Learning with non-cubic input
The input size might not be the problem, as you were able to train the network without any errors. In case of medical imaging,...

4 months ago | 0

Answered
Slow checkLayer-function for simple custom reshape layer
While using the checkLayer function, for large input sizes, the gradient checks take longer time to run. To speed up the tests, ...

4 months ago | 0

Answered
Data Partition using CVPartition_ Warning
c = cvpartition(n,'KFold',k) The above syntax of the function randomly splits the “n” observations into “k” disjoint sets of ro...

4 months ago | 0

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Answered
Finding Frame Count for DICOM File
You can use the function dicomCollection to get the number of frames. For more information on how to use this function, refer t...

4 months ago | 1

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Answered
Time Series and input layer Error
From the error you received, I can see that your input data is of size 5353. But, from line 3 of your code, you are defining t...

4 months ago | 0

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Answered
Error in the Matlab documentation for surrogateopt
Hi, I have brought this issue to the notice of our developers. They will investigate the matter further.

4 months ago | 0

Answered
How to crop an image inside a boundary ?
region=uint8(roipoly(img,position(:,1),position(:,2))); After getting the mask of the selected region from the above line in yo...

4 months ago | 0

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Answered
Deep Learning Memory issues for BiLstm mat files
Hi, You could use the Custom Mini-batch Datastore which uses the function sequenceDatastore that reads data from the specified...

4 months ago | 0

Answered
How do i use sequentialfs in matlab when using neural networks (patternnet) as a model?
Hi, classf = @(xtrain,ytrain,xtest,ytest) sum(classify(ytest,xtest,train(ytrain,xtrain)) ~= ytest); In the above declaratio...

4 months ago | 0

Answered
semantic segmentation of 4D MRI using 3D-UNet
Hi, Since you defined the Input Layer size as [64 64 64 4], it is expecting the input you provide to be of size [64 64 64]. Wh...

4 months ago | 0

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Answered
How do I use a trained network to make new predictions?
save KanushkaNet; The above command which you used will save all your current variables from the workspace. If you want to save...

4 months ago | 0

Answered
trainYOLOv2ObjectDetector function details.
You can refer to the following link on how to use the trainYOLOv2ObjectDetector function: https://www.mathworks.com/help/vision...

4 months ago | 0

Answered
How can i use the validation set in object detection using deep learning?
The trainFasterRCNNObjectDetector does not support the “ValidationData”, “ValidationFrequency” and “ValidationPatience” options ...

4 months ago | 0

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