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Divya Gaddipati


MathWorks

45 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
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...

4 dagar ago | 0

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....

4 dagar ago | 0

Answered
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...

4 dagar ago | 0

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...

5 dagar 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://...

5 dagar ago | 0

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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...

5 dagar 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...

5 dagar 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-...

6 dagar ago | 0

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Aligning a stack of images
It is possible with the Image Processing Toolbox and/or Computer Vision Toolbox. Please refer to the following document to de...

6 dagar ago | 0

Answered
Will train(net) continue training 'net' if it hasn't been initialised?
The network is initialized only once when you use net = feedforwardnet(hiddenLayerSize, trainFcn) And when you do “net = trai...

6 dagar ago | 0

Answered
Unable to install MATLAB Support for MinGW-w64 C/C++ Compiler because MinGW 5.3.0 from MinGW-w64.org does not download
MATLAB only supports specific versions of MinGW. R2017b and later supports MinGW 5.3, while R2017a and prior support MinGW 4.9.2...

6 dagar ago | 0

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Code for hough transform for Line detection
Please refer to the following link for understanding how to use Hough transform to detect lines in images. https://www.mathwork...

7 dagar ago | 0

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

ungefär en månad 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”...

ungefär 2 månader 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.

ungefär 2 månader 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...

ungefär 2 månader 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...

ungefär 2 månader 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.

ungefär 2 månader 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 ...

ungefär 2 månader ago | 1

| accepted

Answered
I am not getting the correct value for rblush in this code. here, red is a matrix consisting of only the r of rcb values of an image. If the value of red_pixel is greater than 200, i want to add the pixel values in rblush but im getting the wrong val
Since “red” is your red-channel image, you can directly find the pixel values that are greater than 200 and “rmean” in the follo...

ungefär 2 månader ago | 0

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 ...

ungefär 2 månader 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...

4 månader 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...

4 månader 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...

4 månader ago | 0

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'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...

4 månader 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...

4 månader 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...

4 månader 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...

4 månader 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 månader 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 månader ago | 0

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