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How to enhance and denoise an FFT diffraction image?
If you want only the spectrum from within the green circle regions, you can just zero out everything outside of those. You can ...

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How to read and add 100 consecutive images
See attached demo file where I do exactly that. Adapt as needed.

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How to eliminate the black part added in the moving image during image registration?
Usually the fixed and moving images will not have black triangles because they are your original source images. Once your movin...

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How can I improve the image segmentation and outlining of a layered object?
@NATHAN SUTEMIRE Not sure how I missed this 3 years ago, but here is my solution (better late than never). It uses kmeans to fi...

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convert the image sketch in to x,y boundary coordinate
You don't need the (x,y) coordinates. You can work from the binary image directly. Getting the (x,y) coordinates just complica...

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How to develop "a model" from a given m-file of regression analysis?
What I would do is to use the Regression Learner app on the Apps tab of the tool ribbon. It's in the Statistics and Machine Lea...

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Cropping Abnormal Image for Multiple Laboratory Trials
You can certainly crop out the pad's bounding box to a new image if you need to. Not sure you need to though. I've worked on...

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Loop outputting deleted object?
>> test5 Error using input Not enough input arguments. Error in test5 (line 49) output(ii,:) = gammatone(input, CenterFreqs...

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Program not calculating properly
Looks like you just took my code that I gave you in your other question and made a few changes to make it not work. I suggest y...

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Solving multi-criteria tasks
To learn fundamental concepts, invest 2 hours of your time here: MATLAB Academy - Free 2 hour training

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How to find same values in a randi function
I've already done it. You can look at the attached m-file code. % Finds frequency of 5 card poker hands % Reference % https:...

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How to read 0's and 1's from an array of images (originally from a video) and store each value (one per image) in a vector?
I don't think your algorithm is good. Contrast enhancement is not necessary and may even give deceptive results. Nor is Otsu t...

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How to segment an EMG signal according to a column value?
If your data are in a regular matrix, you can use indexing to extract rows for that class. For example if column 2 contains the...

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which type of image conversion have low occupy the CPU & Memory ? gray 2 Lab or ?
Not sure why you're asking. How big are your images? For normal sized images I wouldn't worry about it. I'd just use rgb2lab ...

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Software development in Matlab for a standalone application
You can do almost anything in any language. Some might have more built-in libraries than others. Some you have to look for lib...

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Is it possible to convert a tiff image to uint16 without changing the images actual appearance?
If you have a uint8 image and the values are in the range of 0-255, it seems to multiply everything by 256 (roughly) to make the...

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how to plot table to line graph with dots ?
Your numbers have commas in them instead of decimal points. That's probably why it reads them in as character arrays instead of...

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How to add an image to the current axes without replacing existing plots
See my attached examples to inset images and plots into other images and plots.

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How to renew license
Like it says, contact your system administrator. If you don't know who it is, call the main Mathworks sales team.

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Find data from files that are too large to read in
Perhaps memmapfile? I think its purpose is to look at very large files. help memmapfile

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Figures from code executed on Answers are tiny
You might get more attention from the developers if you post here: https://www.mathworks.com/matlabcentral/discussions/ideas

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I need Matlab code for STBC-NOMA for my project please help T-T
To get started programming in MATLAB, invest 2 hours of your time here: MATLAB Academy - Free 2 hour training If you don't w...

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Got this error message: statset requires Statistics and Machine Learning Toolbox.
Do you see it listed when you give the "ver" command? What does this show hasLicenseForToolbox = license('test', 'Statistics_T...

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User Error 2.753: This license does not need to be activated. I am using linux btw and when ı open mathlab ı cannot even run the simple code
Probably the quickest route to success is to do exactly what it says in the FAQ: https://matlab.fandom.com/wiki/FAQ#After_insta...

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Retracting the time-tags from the histcounts
Try setting those counts to nan. Then they won't show up. Something like data = 5000 * rand(1, 5000); subplot(1, 2, 1); [co...

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How to determine the contact angle of droplet with a cannula in place
Is the cannula always in the same place? Then just mask it out.

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How to calculate spray cone angle?
First of all, before doing any image processing, you need to get better pictures. There is not enough contrast between your spr...

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What is the filter I can use to get clearer image on hand vein?
I'd try a ridge finding filter, like a Hessian, Frangi, or COSFIRE-B Hessian based Frangi Vesselness filter - File Exchange - M...

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How to get y value?
Try this: Xtarget = 900; % or 3000 yinterp = interp1(FLH_W, avg_SOEC_W, Xtarget)

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how to fix this
You're not returning anything even though you said you would. In other words, you're not assigning "root" even though you are t...

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