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How can I extract the region of interest and its features of the highest moving energy/intensity area
The Computer Vision Toolbox has tracking functions in it. Look into them.

más de 2 años hace | 1

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How to just plot the data inside the minimum and maximum values in a figure?
Not sure what you mean but you can use xlim and ylim to set the ranges that are visible inside the plot box. Regarding making s...

más de 2 años hace | 0

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How to get a plot out of a .csv data from a sensor?
Try this: fileName = 'Sample_0012023-11-30 15.05.48.343_A0000.csv' t = readtable(fileName) times = t.Var1; distances = t.Var...

más de 2 años hace | 0

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when i tab getimagetype function it appears "Unrecognized function or variable 'getimagetype'."
The I and T should be capitalized getImageType. MATLAB is case sensitive. help getImageType

más de 2 años hace | 0

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how to plot x= 0:0.01:10
Your badly-named "x" variable (almost everyone else would have called it y) goes from 0 to 10 in a thousand and one steps. When...

más de 2 años hace | 0

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How can I get the license number of MATLAB 2023b?
>> ver

más de 2 años hace | 0

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How to enter a sigmoidal equation for a curve fit with lsqfitting
See my attached demo where I fit data to the rate equation (a sigmoid type of formula). Adapt as needed, like using a differe...

más de 2 años hace | 1

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Show img in coordinate system and perform transformations
"I want to show my image in xy-coordinate system" <== Did you try calling axis xy? axis xy Call it after you call imshow.

más de 2 años hace | 1

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Can we generate best fitted nonlinear equation between 4 inputs and 1 output, if we dont know the equation initially
There are an infinite number of models that could fit your data. I believe you need to know at least the form of the equation, ...

más de 2 años hace | 0

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How can I retake the fundamentals course after completing it?
We volunteers here don't have access to any of the web software the Mathworks uses. Maybe there is a bug in it, or maybe that's...

más de 2 años hace | 0

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Plot image in 2d plain and apply operations like translation/rotation and reflection
rgbImage = imread('peppers.png'); title('Original') nexttile imshow(rgbImage); img2 = imrotate(rgbImage, 90); title('Rotate...

más de 2 años hace | 0

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kmeans with centroids from previous analysis
I think some explanation is needed here; The second time you call kmeans, it will do a kmeans all over again but starting with ...

más de 2 años hace | 0

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How easy is it to give a Matlab toolbox as a Christmas present?
Here's one 😆 I'm pretty sure the Mathworks will not take it though!

más de 2 años hace | 2

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imwrite result of viscircles instead of creategraphic
Try this if you have the Computer Vision Toolbox. % Initialization steps. clc; % Clear the command window. close all; % C...

más de 2 años hace | 0

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MATLAB License Keys when using functions from a toolbox
The license is not checked out and back in again after every call. I'm not sure when they're checked back in : after a while, o...

más de 2 años hace | 0

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Is there a variant of nlfilter for color images?
You can use imsplit and then operate on each individual color channel. Or you could transform to LAB color space and operate on...

más de 2 años hace | 0

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How would i write this str?
I always use fprintf MyAge = 6; FreindName = 'Joe'; FreindAge = 4; fprintf("My friend %s's age is %d years.\n", FreindName, ...

más de 2 años hace | 1

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What does this error mean?
If idx is a single number, then acc(idx) needs to be a single number. Evidently something in your expression is an array. Try ...

más de 2 años hace | 0

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Update string with new line in edit Field (text) in mlapp
Yeah, kind of weird. But I found that if you make it a Text instead of an Edit box, it will work and show up on multiple lines:...

más de 2 años hace | 0

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Create 2D mask from nonzero values in 3D array
I recommend processing the volumetric image one slice at a time. Try this: s = load('3Darray.mat') FAtp2_DA = s.FAtp2_DA; % ...

más de 2 años hace | 0

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How to rename a structure array with a string stored in character
Just make copies of the originals if you need to keep them Signal_1_original = Signal_1; Signal_2_original = Signal_2; Signal...

más de 2 años hace | 0

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How to remove sine shaped noises from a signal?
How monotone is your "real" signal? Can you just zero out the FFT outside the known range of your signal? Or, if not, maybe ju...

más de 2 años hace | 0

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How to save files with Canny edge detection and Feature extraction
You need to look over all files in a for loop instead of a while loop in performCannyAndSave allFileNames = imds.Files numFile...

más de 2 años hace | 0

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how I can represent it in MATLAB
See if the attached manual convolution helps you at all. Adapt as needed.

más de 2 años hace | 0

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To create a false color image
See the attached article on a variety of ways to convert hyperspectral channels (wavelength bands) into RGB images.

más de 2 años hace | 0

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Connecting/Activating license without license number/activation key
We don't usually handle installation questions here. See the FAQ: https://matlab.fandom.com/wiki/FAQ#During_installation,_the_i...

más de 2 años hace | 0

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Counting and measuring size of particles flowing in a video
The Computer Vision Toolbox has motion tracking capabilities. https://www.mathworks.com/help/vision/tracking-and-motion-estimat...

más de 2 años hace | 0

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Last Saved .PNG uploaded on all PPT slides
What does this line do: dataSlides = add(ppt,'Title and Content'); What is ppt? I'd use ActiveX if you're using Windows. Why...

más de 2 años hace | 0

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My function to read data from three csv files is only reading one file and storing it in 'ans' instead of the variable K.
How did you run it? You didn't just push the green run triangle did you? Did you do something like this: [K, K_sub, Q] = inpu...

más de 2 años hace | 0

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automatic threshold based segmentation
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

más de 2 años hace | 0