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Divya Gaddipati


Last seen: 1 día ago

MathWorks

126 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
Add confusion matrix to my cross validated code for LSTM classification
Hi, You can accumulate results at the end of loop. catLabels = [catLabels; labelsTest]; catPredictions = [catPredictions; pr...

alrededor de 2 meses ago | 0

Answered
Error using dicomread-unable to resolve the name
Hi, Can you try using dicominfo first and then read using the extracted info? info = dicominfo(fullpath); I = dicomread(info)...

alrededor de 2 meses ago | 0

Answered
How can I simulate a delta-zig zag transformer in Matlab
Hi, You can refer to the following documentation on Zig-Zag Transformer: https://www.mathworks.com/help/physmod/sps/powersys/r...

alrededor de 2 meses ago | 0

Answered
How to obtain a ROC curve through cross validation on the out of fold data in cross validation?
Hi, Currently, you have to split the data into training and validation manually to generate results on validation set. To use...

alrededor de 2 meses ago | 0

Answered
Uneven Illumination/Contrast Correction
Hi, You could try to perform image enhancement prior to converting it to a binary image. For non-uniform illumination correct...

2 meses ago | 0

Answered
How to know if the faster R-CNN is trained to a good state according to Mini-Batch loss and accuracy trends
Hi, You should refer to this example in trainFasterRCNNObjectDetector documentation page to understand the role of various inp...

2 meses ago | 0

Answered
LSTM Sequence to Sequence Regression Array Type Problem
Hi, I suggest you check the examples on sequence-to-sequence regression that are available in the documentation. Here's the li...

2 meses ago | 0

| accepted

Answered
Error using cellfun/wblfit
The input to wblfit should be a vector containing only positive values, as the error suggests. Make sure your TtrnPosArray con...

4 meses ago | 0

Answered
DataStore Length Mismatch b/w image and bbox
Each image should contain atleast one labeled object and ideally more labeled images are required to train a robust network. S...

4 meses ago | 0

| accepted

Answered
fitclinear with tall array that contains images
I understand that your input data is a tall array of cells of size n-by-1. Whereas, the input to fitclinear should be specified ...

4 meses ago | 0

Answered
Non traceable loss function in neural network
Currently, pinv is not supported for dlarray inputs. Alternatively, you could try replacing the function with their own logic ...

5 meses ago | 0

Answered
How to noise dataimage store with a specific portion of an external image?
You can use tranform datastore function for this purpose. This allows you to write a custom function specifying how you would li...

5 meses ago | 0

Answered
Import a Tensorflow Keras GRU network into Matlab
This is a known issue and the developers are looking into it. As a workaround, it is possible to implement GRU using a custom ...

6 meses ago | 0

Answered
Dealing with Large training datasets saved in a number of .mat files
You can use fileDatastore for this purpose. trainData = fileDatastore('/path/to/data', 'ReadFcn', @load, 'FileExtensions', '.ma...

7 meses ago | 0

| accepted

Answered
Pop out Interactive table
The following file on MATLAB File Exchange provides a good method for creating an interactive table https://www.mathworks.com/m...

7 meses ago | 0

Answered
How can I fix this error when using offline documentation in after upgrading to Linux Mint 20?
MATLAB R2019a does not support Mint OS. Please refer to system requirement documentation for R2019a from the below link: https:...

7 meses ago | 0

Answered
Multiple objective functions with fgoalattain
The input to fgoalattain should be a single function handle. You can define all your objective functions in an array as follows ...

7 meses ago | 0

Answered
How to use estimateFlow between two images that are not video frames
You can use opticalFlow function for this purpose. img1 = im2double(Img1); % the images should be in double img2 = im2double(...

7 meses ago | 2

| accepted

Answered
How to turn the data in mini batch into a deep learning array
dlarray is used to convert the data to deep learning array, which you are already doing here: X = dlarray(x(:,:,:,idx),'SSCB');...

7 meses ago | 0

Answered
Image Warping / Image processing
You can refer to the following blog for distorting an image using an arbitary grid https://blogs.mathworks.com/steve/2006/08/04...

7 meses ago | 0

| accepted

Answered
Semantic Segmentation Output & Response size
As it is evident from the error message, the size at the output layer should be same as the ground truth image size. Try changin...

7 meses ago | 0

Answered
Cannot find 'start page' in deep network designer
As you are using R2019b version of MATLAB, please refer to the documentation of that release. https://www.mathworks.com/help/r...

7 meses ago | 0

Answered
dSpace software cannot synch with Matlab 2020a
Browse the following links for version compatibilities between products from MathWorks and dSPACE products: https://www.dspace....

7 meses ago | 0

| accepted

Answered
How to produce an acoustic sound waves for leakage detection in pvc pipes. is it possible in matlab?
You can refer to the following link for an answer provided to a similar question https://www.mathworks.com/matlabcentral/answer...

7 meses ago | 0

Answered
.tif.dat Image analysis
Similar question has already been asked and answered by the community which might be of relevance you. Please refer to the follo...

7 meses ago | 0

Answered
U-net segmentation gives error for layers output size after starts to training
It seems like your last conv layer is of size [512, 512, 4], whereas it should have been [512,512,1]. You can use analyzeNetwor...

7 meses ago | 0

| accepted

Answered
I want to apply 1D CNN on sequence data, is there any provision for this additional layer in MATLAB?
Currently 1D convolutional layers are not supported. As a potential workaround you can try using imageInputLayer. https://www....

7 meses ago | 0

Answered
How to designthe SAGAN self attention layer?
You would have to create a custom layer. If you are using R2020a version, you'll be able to load the custom layer into the Deep ...

7 meses ago | 0

Answered
Deploy classification learner model
Refer to the following link on how to use your model on new data https://www.mathworks.com/help/stats/export-classification-mod...

7 meses ago | 0

Answered
Yolo v3 training on coco data set
You can refer to the following link for training a YOLOv3 object detector. In place of the dataset used in this example, you can...

7 meses ago | 0

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