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Madhav Thakker


Last seen: Today

MathWorks

48 total contributions since 2020

I am an Application Support Engineer at MathWorks.

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

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Answered
Dicominfo and Dicomread for multiple images
Hi Reda, You can use isfield to check whether a field exists in a structure. Here is a similar question which has several di...

ungefär 15 timmar ago | 0

Answered
How can I rotate an object in an image (image A) og compare the difference with an another picture with the same object (image B)?
Hi Mohammed, I understand you want to compare objects in two different images. You can have a look at different image registra...

en dag ago | 0

Answered
Can I "merge" label predictions of multiple images into one single prediction when training a CNN?
+1 to Aditya Patil's comment. To add more information, average pooling will only work on the output value for current iteratio...

2 dagar ago | 0

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

ungefär 2 månader ago

Answered
Can I tell trainNetwork() to return the net with the lowest validation or training loss, as opposed to the net at the last iteration?
Hi Nethrick, As of now, it is not possible to save the network with the least validation error in DAGNetwork. However, you mi...

2 månader ago | 1

Answered
Do not know how to use a downloaded neural network
Hi Arsen, The attached .mat file can be loaded into the MATLAB using load. load NET_90_19_576; net = net90_19_576; You can ...

2 månader ago | 0

Answered
Order of labels in Alexnet's outputs vs. order of labels in ImageNet 2010
Hi Saon, You can get the labels for the pretrained Alexnet in MATLAB by loading the pretrained model. net = alexnet; net.La...

2 månader ago | 0

Answered
Deep Q-Network Rewards incorporation?
Hi Zonghao, I understand you want to construct a Deep Q-Network. The observationInfo tells you the behaviour for your observat...

2 månader ago | 0

Answered
Custom flattenLayer compatible with imageInputLayer
Hi Amelia, I understand that you want to use flatten layer with Image input layer. As of now, faltten layer supports sequence in...

2 månader ago | 2

| accepted

Answered
Import text + data txt file into a matrix
Hi Michele, I understand that you want to read your data where each entry is separated by ';' and each row is separated by ';;...

2 månader ago | 2

Answered
How to get an image contrast value?
Hi Denis, I understand that you want to calculate the contrast of your gray scale images. You can use a very simple max - min ...

2 månader ago | 1

| accepted

Answered
Imfindcircles detecting massiveness?
Hi Wasgeht, I understand that you want to only retain those circles which have more than 70% of pixels that are white. One of ...

2 månader ago | 1

| accepted

Answered
When I try to open my 2020a version of MATLAB, it quits immediately after displaying the startup window. What is going wrong, and how can I fix it? Thanks for any help.
Hi Aidan, For any problems related to installation, Contact Support ! They help with installation and setup problems for all ...

2 månader ago | 1

Answered
my alphabet is misplaced
Hi Agnes, For any problems related to installation, Contact Support ! They help with installation and setup problems for all ...

2 månader ago | 0

Answered
How do I open the application on a Dell desktop?
Hi Sagan, For any problems related to installation, Contact Support ! They help with installation and setup problems for all ...

2 månader ago | 1

Answered
MATLAB question on Chapter 4
Hi Miriam, The variable H1 is a matrix of size [1, 1501] and the command y = sqrt(80^2 + (210-H1)^2); tries to multiply a ...

2 månader ago | 0

Answered
Deep Learning NNet accuracy doesn't looks good
The loss is constantly 0 and the accuracy is 100 during training indicating that there is nothing to learn from the training dat...

2 månader ago | 0

| accepted

Answered
Plot arrowheads pointing inward to a center with quiver
Hi Szu-Ting, I understand that you want to change the direction of arrowheads to point inwards. The current quiver-properties ...

2 månader ago | 0

| accepted

Answered
How to use pspectrum() function
Hi Elinor, the ppsptectrum function does not return the output directly in dB to be plotted. According to the documentation, F...

2 månader ago | 1

| accepted

Answered
Rotate individual labelled/segmented characters about its centroid
Hi Ronald, I understand that you want to rotate the letters 90 degrees anticlockwise. You are correct about extracting boundin...

2 månader ago | 1

Answered
after training a denoising network from dnCNNLayers, how to use it in denoisingNetwork and denoiseImage?
Hi Ming-Jer, I understand that you want to use your custom denoising network. I assume you have trained the network sucessfull...

2 månader ago | 0

| accepted

Answered
Reading netcdf files and variables backwards
Hi Ana, I understand that you want to read the variables backward. I see that there is some problem with naming of the variable...

2 månader ago | 1

Answered
Reinforcement Learning Episode Manager
Hi Ahmad, It is not possible to reopen the Episode Manager after closing it. The graphical window is triggered only when you r...

2 månader ago | 0

| accepted

Answered
Previewing pre recorded video
Hi Koohyar, I understand that you want to preview pre-recorded video and not a live one. The preview function requires a video...

2 månader ago | 0

| accepted

Answered
Locking sections of a Live Script
Hi William, I understand that you want to make the edits and changes yourself. As of now, there is no way to run some sections...

2 månader ago | 0

Answered
Best practice for data normalization when using import model from Keras to predict ?
Hi Tuong, I understand that you want to do the preprocessing as done with the training data by using StandardScaler of sklearn...

2 månader ago | 0

Answered
Can the "input data normalization" of "trainNetwork" be done separatedly?
Hi Jaime, I understand that you want to stop the inbuilt data normalization. You can do so by creating your own input data lay...

2 månader ago | 0

| accepted

Answered
after the completion of offline training, how can I measure the testing time for individual sample?
Hi Ali, You can use tic toc function to calculate the time it takes for each sample during testing. Call tic before the predic...

2 månader ago | 1

Answered
Error when using globalAveragePooling2dLayer in CNN
Hi Nour, The globalAveragePooling2dLayer was introduced in R2019b. As you are using R2018a, you are facing the Undefined funct...

3 månader ago | 0

Answered
Seeing the image overlaid on image
Hi, You can use hold on for this purpose. You can change the pointer by changing the YData of the plot. I am attaching a code s...

3 månader ago | 0

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