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Pratham Shah


Lakehead University

Active since 2021

Followers: 0   Following: 0

EC Graduate and MATLAB Lover

Programming Languages:
MATLAB
Spoken Languages:
English

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Answered
Changing color in matlab
I=imread("xyz_converted.png"); I(:,:,1)=I(:,:,2); [m,n,~]=size(I); I(:,:,2)=zeros(m,n); imshow(I)

ongeveer een jaar ago | 0

Answered
How to measure the performance (precision and recall ) for following model and does it need to have groundTruth?
Yes, You need to have a ground truth in order to obtain accuracy, precision and recall. If you have ground truth you can calcula...

ongeveer een jaar ago | 0

Answered
U-Net for medical image segmentation
Hi! If you have prior knowledge of neural networks you can use encoderDecoderNetwork function to build the required U-Net struc...

meer dan een jaar ago | 0

Answered
I have a code to length of a shape but I am not getting the correct output accordingly.
Hello Surabhi! Your code is working properly and giving correct output for attached image. As far as unit is concerned, that de...

meer dan een jaar ago | 0

Answered
How to plot a continuous graph as shown in the below graph?
After analyzing your code, I think you are on totally wrong path. There is no need of using 'for' or 'hold on' to plot point in ...

meer dan een jaar ago | 1

| accepted

Answered
how can i plot two different figures from two scripts side by side??? (i have two seperated codes)
Hi! You can create seperate MATLAB functions for both of the codes and then create new script which calls both the fucntions an...

meer dan een jaar ago | 0

Answered
Image Segmentation Bounding Box
Hi! As @Image Analyst rightly mentioned, don't use inverted image for bounding box. Use Image | BW. To get the bounding box ar...

meer dan een jaar ago | 0

Answered
About the position of transmitter site in raytrace
Hi, You can change antenna hight while specifying your transmission site. tx = txsite("Name","Satellite transmitter", ... ...

meer dan een jaar ago | 0

Answered
I know there are commands to use when finding the max values within an array, how would I do it through data from a graph?
Why don't you use Min/Max function on the variable you are plotting. That will give you min/max value along with the correspondi...

meer dan een jaar ago | 0

Answered
How can I partition the data to training (70%) testing (20%) & validation (10%) such that mean & SD of each subsets same?
Hello Srinivas! You haven't mentioned with what kind of database you are working with. However if the data is related to image,...

meer dan een jaar ago | 0

Answered
OFDM probability of error vs SNR
Hi Jose! No it should not take long time to simulate unless the video you are using is large. However if you want to plot BER ...

meer dan een jaar ago | 0

| accepted

Answered
How to label a picture according to the color of pixels
Hi Muchen! You can use 'categorical' function to convert array into lable form.

meer dan een jaar ago | 0

Question


Train a deep learning model with filename in single csv file.
I want to train U-Net model for an application. Images are having multiple bands saved in different .tif file. To train DL model...

meer dan een jaar ago | 1 answer | 0

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answer

Answered
Edge detection at a certain degree without using specific filter
This is the example to detect diagonal images. If you want to detect edges of soecific angle you may make your own filter and us...

meer dan een jaar ago | 0

Answered
Is it possible or correct to get psnr for the decompressed image greater than 90?
No, you can not get PSNR 90dB. If your image is 8 bit, maximum value of PSNR should be around 64dB if your algorithm is performi...

meer dan een jaar ago | 0

Answered
while truncating the original matrix size changes and error shows index in position 1 exceeds array bound
Mention the command that you are using to extract it. You can try arr(799:end,:);

meer dan een jaar ago | 0

Answered
How do I delete an old version of MATLAB if I cannot open it?
When you install a new version of MATLAB, whole new folder is created in 'Program Files' if you are using windows system; so the...

meer dan een jaar ago | 0

Answered
Unrecognized function or variable 'invertResidualLayer'
Hi, I have struggled with this issue a lot and I know the reason behind it. The problem is while you are calling 'net.Layers(1...

meer dan een jaar ago | 0

| accepted

Answered
What is the default loss function used in the U-Net implementation in MATLAB for semantic segmentation tasks?
If you are using the unetLayers function, default loss function will be "Cross-Entropy". You can check that on the documentation...

meer dan een jaar ago | 1

| accepted