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Divya Gaddipati


Last seen: Today

MathWorks

67 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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  • Knowledgeable Level 3
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Answered
How to generate a transformation matrix from the displacement fields using imregdemons
Currently there is no way to directly get the transformation matrix from the displacement field. Instead, you can use imregtfo...

5 days ago | 0

Answered
Bird eye view image points to original image points
You can use the imageToVehicle function. The bird eye image and the required points that you want to transform should be given a...

5 days ago | 0

Answered
Problem with table/cell array in an LSTM anomaly detection project
You can use a table as an input to the trainNetwork function for training your LSTM model. If the data size is same for all co...

5 days ago | 0

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Answered
utilising imwarp and affine2d for transformation on dataset
You can concatenate all the images in a matrix of size m x n x c x t where m = width, n = height, c = number of channels, t = ...

6 days ago | 0

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arranging Dicom slices in proper order
Hi, Please refer to the following link on how to read and visualize dicom files: https://blogs.mathworks.com/steve/2019/11/1...

6 days ago | 0

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Do the Dice and Jaccard functions work on my Nifty file?
jaccard supports inputs of size 2-D, 3-D or n-D arrays whereas dice supports 2-D or 3-D inputs. You can find this information ...

6 days ago | 0

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finding best value for ARIMA (p,d,q) model?
The estimate function doesn't have "print" as a Name-Value pair argument. Instead, you can use something like this to turn off...

8 days ago | 0

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Error using trainNetwork. Number of observations in X and Y disagree.
Hi, The size of the output of your network should be equal the size of Y (labels). You can refer to the following link for a s...

9 days ago | 0

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How to find the average of a single column in matrix
Hi, If m is your matrix, to get the last column and mean, you can use: last_col = m(:, end) avg = mean(last_col); Hope thi...

9 days ago | 0

Answered
Convolutional LSTM in Matlab 2019b
Hi, You can find a similar workflow in the link below. https://www.mathworks.com/help/deeplearning/examples/classify-videos...

9 days ago | 0

Answered
BatchMultiClassNonMaxSuppression - importONNXLayers/Network issue
For building a custom layer, please refer to the below link: https://www.mathworks.com/help/deeplearning/ug/define-custom-deep...

9 days ago | 0

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Answered
How to process extracted SURF features for SVM classifier
You can use fitcsvm to train SVM classifier. You can load the files into the workspace in a loop. for i = 1 : total_files ...

1 month ago | 0

Answered
How to load multiple .txt files into the workspace at once
Following is a small example: files = dir(fullfile(filedir, '*.txt')); n = length(files); data = cell(n); for i = 1 : n ...

1 month ago | 0

Answered
How i can calculate the EENS by using Matpower?
You can refer to the following link on how to implement Monte Carlo simulation in MATLAB https://www.mathworks.com/discovery/mo...

1 month ago | 0

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Answered
How do I export Simulink projects in a previous version in an automated way?
A possible current workaround is to manually export all the models in the desired release, or do it programmatically with the fu...

1 month ago | 1

Answered
How can I import large data through odbc (database explorer)
A similar question has been answered which might be of relevance to you. https://www.mathworks.com/matlabcentral/answers/457431...

1 month ago | 0

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code gernation error using CUDA
Make sure the correct GPU supported compiler is installed on the machine. You will need Visual Studio to compile for GPU Coder. ...

1 month ago | 0

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How to remove outliers from a Raman spectrum
You can achieve this using the different methods. 1) Using Basic fitting: Fit a curve using 'polyfit'. Identify outliers th...

1 month ago | 0

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Answered
neural network auto hyper parameters optimization
You can use the Classification Learner app in MATLAB R2019b version. Please refer to the following links for more information: ...

1 month ago | 0

Answered
Error using TrainNetwork. Output Size of the Last Layer does not match the Response Size
The size of the output of your network should match with the size of the label. The size of your labels is [0 0 1 1] and the ou...

1 month ago | 1

Answered
Is there a way to plot multiple neural network run results into one plot?
You can use the field OutputFcn of the trainingOptions function. You can refer to the following example and change it accordin...

1 month ago | 0

Answered
[Concatenating .wav files on the base of the values specified in a separate matrix.
You can concatenate wav files in the following way: y_concat = [y1; y2]; As for checking if ID and Trial are same for the fi...

1 month ago | 0

Answered
export structure values to csv or txt file
You can use dlmwrite with the “append” property. Here’s a rough sketch of the code for your reference for = ... st...

2 months ago | 1

Answered
Image registration for multimodal images µct and OCT
Please refer to the below link to understand how to perform image registration for multi-modality images https://www.mathworks....

2 months ago | 0

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Train shallow network - Out of memory on device. To view more detail about available memory on the GPU, use 'gpuDevice()'. If the problem persists, reset the GPU by calling 'gpuDevice(1)'.
This could happen if your dataset is huge. In which cases it is preferable to train the network in mini-batches. Classical neur...

2 months ago | 0

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Answered
How can I transfer the model parameters of a well-trained NN to another one?
Before you assign weights of “net_2” to “net_1”, initialize net_1 to net_2 using the init function net_1 = init(net_2); This w...

3 months ago | 0

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Answered
curve fitting matlab academic
Please contact the Customer Support team for installation regarding issues. You can find the details in the link below https://...

3 months ago | 0

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Answered
Is there a fix to the error "A regression layer must not be preceded by a softmax layer." ?
The softmax layer normalizes the input to the layer such that its elements sum up to 1. Therefore, it is useful when you want th...

3 months ago | 1

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Answered
unable to segment all the platelets using otsu method.
Please refer to the following link which provides a list of different image segmentation methods https://www.mathworks.com/help...

3 months ago | 0

Answered
Read data from excel
You can refer to this simple tutorial below: https://www.mathworks.com/videos/series/reading-excel-data-into-matlab-with-a-gui-...

3 months ago | 0

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