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I am experiencing difficulties in detecting disks within a grayscale image
Looks like most of the circles have a bright dot in the middle. Try a tophat filter. It's good at finding bright blobs on vary...

3 years ago | 0

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Doubt regarding image processing part in a project of fire extinguisher system
There are multiple ways to do things. You could do it all with an Arduino, using the Arduino language, if you want. MATLAB als...

3 years ago | 0

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Having error 'Invalid array indexing'. Please help me to solve this issue
What is f? If f is a function you can't do this: f(t(i), v1_euler(i), v2_euler(i))(1) You'd need to get the results (returned...

3 years ago | 0

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Buy a license for Matlab 2023 Home in Italy.
Try calling the office in Italy. I'm sure they can tell you. Call us Office Hours Monday-Thursday 09:00-18:30 Local Time...

3 years ago | 0

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Alphashape boundary detection not working as desired
Try imfill BW = imfill(BW, 'holes');

3 years ago | 0

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How can I get a right solution?
If 10^-17 is not close enough for zero, what precision do you need? See the FAQ: https://matlab.fandom.com/wiki/FAQ#Why_is_0.3...

3 years ago | 0

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How to share the app you have designed to the user who does not have MatLab?
See the FAQ: https://matlab.fandom.com/wiki/FAQ#How_can_I_make_a_standalone_executable_from_my_MATLAB_code?

3 years ago | 0

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Issue with MATLAB not finding my excel file even though its in the same folder as the .exe
Try the FAQ: https://matlab.fandom.com/wiki/FAQ#Why_can't_my_standalone_compiled_executable_find_my_files?

3 years ago | 0

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Debluring after croping image
You can use functions like conv2, deconvreg, deconvwnr, deconvlucy, deconvblind. To save the images, use imwrite to save them i...

3 years ago | 0

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Answered
Code to obtain average pixel intensities of all frames of a video with help of a single code
See attached demo where I get the mean RGB values of each frame. I think this is what you wanted, right?

3 years ago | 0

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Segmenting boxes in an image
You can get all three square masks doing this: mask = grayImage > 128; % Or whatever works. % Get rid of white surround touchi...

3 years ago | 1

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How to extract only background from gray image (particle in tube)
Take a picture without any particles in it, then use imabsdiff

3 years ago | 0

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Could anyone give me more information about this vergin of Matlab?
See the release notes to find out what's changed since your 2018a version: https://www.mathworks.com/help/relnotes/index.html;j...

3 years ago | 0

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Brace indexing is not supported for this type of variable
I think this is closer to what you want. It has many improvements. I'm not sure what you want with that sname stuff so there s...

3 years ago | 0

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Sum a matrix element using a window size of 4
Try blockproc if you have the Image Processing Toolbox: A = [-2 -2 -2 2 -2 2 -2 -2 -2 2 -2 -2 -2 -2 -2 2 -2 -2 2 -2 -...

3 years ago | 0

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Contact MATLAB Compiler Runtime License
The compiler runtime is a library that compiled programs can use for free. If someone has the compiler toolbox, then they can c...

3 years ago | 0

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How to find node coordinates for the provided honeycomb structure as shown in picture below
I'm not sure the image you posted has enough resolution in the small hexagons to resolve them. If you have a much higher resolu...

3 years ago | 0

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Objects Segmentation in the images
Maybe try imextendedmax or imextendedmin You may have to end up just manually splitting them apart with drawline. Watershed tr...

3 years ago | 0

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Write a program that K, B and M are constant and supplied by the user input. Use T as the ending time value that solutions are sought ( also entered by the user when calling the function.
This snippet to ask the user for input may help: % Ask user for two floating point numbers. defaultValue = {'45.67', '78.91'};...

3 years ago | 0

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Binary image and edge images are not displayed
To get the edges from your segmented image, you can use bwperim (to get an image) or bwboundaries (to get a list of (x,y) coordi...

3 years ago | 1

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Does an exsting license for "Statistics Toolbox" include Machine Learning, or is this a new product that needs purchased
I agree, the first/accepted Answer was not written by an actual human -- it's ChatGPT that someone posted. You can tell because...

3 years ago | 1

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Suppose i have a matrix (2x4) A=[1 2 3 4;5 6 7 8] and i want to change it into this matrix [1 2;3 4;5 6;7 8]. How to do that?
@Payel this is super basic. You're not going to get very far, very fast if you have to ask Answers volunteers every time you wa...

3 years ago | 0

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Sir, How to extract color and shape features for a leaf image?
Search for the tag leaf. There have been so many in the past and I've given code for lots of them. https://www.mathworks.com/m...

3 years ago | 0

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Increase one of the dimensions of an array
Try interp3 help interp3 Something like (untested) [rows, columns, slices] = size(img) z = linspace(1, slices, 2 * slices); ...

3 years ago | 1

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writting a code on an earthqauke structure need help to understand how to write for defelction points
Why do you think it would have that function already? It's not a built-in function. You have to actually write it. If you thi...

3 years ago | 0

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How to find aximum value in a particular day
Did you try groupsummary? Something like (untested) dayNumber = data(:, 3); rot = data(:, 5); dailyMaxima = groupsummary(rot...

3 years ago | 0

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while fitting my model data to experimental data the resultant curve is shooting very high and is not matching with experimental time points, even on changing ub and lb
Are you just trying to fit this equation: cd(i) = (1- 0.0683) * exp(-0.0240*(t(i) - 6.48)) + 0.0683; If so use fitnlm. I'm at...

3 years ago | 0

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May I ask how to read and display 3D point clouds in the app designer of MATLAB
Did you make an axes and call plot3 or colorcloud?

3 years ago | 0

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Data is being graphed as line instead of sin wave
Should be okay but it looks like you're only plotting time/x. You need to plot y/position as a function of that. timeData = [....

3 years ago | 0

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Deactivate product from old devices
Then just simply call tech support on the phone. Ask for Tech Support->Installation

3 years ago | 0

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