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MATLAB editor configuration text extremely small
What is the "find bar"? Some of the fonts might still be controlled by the operating system so if you can't change a font siz...

1 month ago | 0

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Why does my matlab code cannot detect the number of periods in a specific time range
Is locs_gelb the yellow signal? It looks like you've already determined how many cracks you have and your loop simply inspects ...

1 month ago | 0

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I have the wrong code. How should I modify it to accomplish the goal?
That should be right, but delete lines 4-6. They should not be there. You pass in the base and height with your test function,...

1 month ago | 0

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How to remove noise of low frequency signals
One way is use envelope, envspectrum, or audioEnvelope. Once you have the envelope, just subtract the lower curve of the envelo...

1 month ago | 0

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what kind of plot is useful for comparing two matrices?
Why a plot and not a 2-D image showing differences? What would your x axis represent? If you treat your matrix as an image the...

1 month ago | 1

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How to find repeated patterns of combination of numbers in the rows of a matrix
I don't have time to try anything for you now, but did you try ismember?

1 month ago | 0

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real-time ROI and scatter plot in app designer
Once you have the ROI, you can get the x and y coordinates from the roi object. I didn't look at your code but when you then st...

1 month ago | 0

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How can I connect the upper endpoint of the red curve to the red dot while keeping the curvature nearly the same?
Try using plot after you use scatter to draw a line from the last point on the curve to the marker you placed with scatter(): f...

1 month ago | 1

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How to draw an uncertain number of sub-images in one coordinate in app designer?
Perhaps you want stackedplot. help stackedplot

2 months ago | 0

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error
The main problem is exactly what it said and that is your script is called image.m which will take priority over a very importan...

2 months ago | 0

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MatLab stays on Run forever and doesn't generate image file
Usually when there is an infinite loop it's with a while loop that never met the condition to exit, and (importantly!) didn't ha...

2 months ago | 0

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Drawing the major and minor axis of an elliptical object in Matlab
This is discussed in this blog entry of Steve Eddins: https://blogs.mathworks.com/steve/2010/07/30/visualizing-regionprops-elli...

2 months ago | 0

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Calculate Mean of vector in more decimals
It is already that. A = [0,1,9]; format short g m = mean(A) fprintf('Mean with 30 decimal places is %.30f.\n', m); format l...

2 months ago | 0

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Peak coming at 50Hz in every data file. How to get rid of that
Find out what index the 50 Hz spike is in and zero it out. Something like f = fft(signal) [peakSignal, indexOfMax] = max(f) ...

2 months ago | 0

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Matlab code to delete contents of a subfolders
Try this. At the bottom of the loop, put in a call to delete or whatever you want: % Start with a folder and get a list of all...

2 months ago | 0

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Adjusting Convex Hull Area
Try regionprops % Make cross. cross = false(5, 5); cross(2:4, 3) = true; cross(3, 2:4) = true; % Measure area of convex hul...

2 months ago | 0

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fenêtrage d'une image scannographie
help conv2 There are other windowed functions, for example stdfilt, imgaussfilt, etc.. It really depends on what you want to d...

2 months ago | 0

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Answered
how to do Open mouth detection
See articles on drowsiness detection here: https://www.visionbib.com/bibliography/motion-f725.html#Driver%20Monitoring,%20Eyes,...

2 months ago | 0

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Using matlab in snaptostamps image processing
Try using ./ instead of / in the line where you assign demx.

2 months ago | 1

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What is wrong with this code for finding out the number of significant digits after decimal?
See the FAQ https://matlab.fandom.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_(or_similar)_not_equal_to_zero? One way to compare float...

2 months ago | 0

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Why does Matlab state that I do not have a valid license file?
I suggest the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_error_message_when_I_try_to...

2 months ago | 0

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inputdlg Window Not Showing
I ran it and it works fine for me. The input window popped up. Your script in not called inputdlg.m is it? Because that would...

2 months ago | 0

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Manual and Automatic Image Recognition
Most bright spots looks like they're surrounded by a dark spot/ring. Do you want to count those as one of the dark spots? Do y...

2 months ago | 0

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Can I use Matlab 2024a license with 2022b client software version
I've seen that "You need to update your license" message before and I've done it with no problems. But then I always have our l...

2 months ago | 0

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How to erase black letters in an image
Try something like this % Demo by Image Analyst clc; % Clear the command window. close all; % Close all figures (except t...

2 months ago | 0

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How can one use a variable to set color of a line plot , and use colorbar?
If you'd like the line to have a different color at every point along it, you'll have to plot markers with those colors. marker...

2 months ago | 0

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How to get rid of the error: Error using horzcat. Dimensions of matrices being concatenated are not consistent
In general, this error means that the matrix you're trying to concatenate on the right hand side of your existing matrix does no...

2 months ago | 0

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how to remove connectec components from original image?
I don't believe imwrite will write the overlay objects, such as circles, into the image. Did yoiu recall dd.png to check if the...

2 months ago | 0

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Answered
retrieve version inside AppDesigner appplication (.mlapp file)
Did you try s = ver('MATLAB'); releaseYear = s.Release(2:end-1); releaseVersion = s.Version; fprintf('You are using MATL...

2 months ago | 0

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Determine the area of the nodules (in pixels)
It looks rather tough since the abnormalities are of about the same brightness as the bones. But there does seem to be a differ...

2 months ago | 0