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How can I identity clusters on my scatterplot?
It looks like you don't have clusters. And I doubt you used scatter() to plot those. It looks like you used plot() to plot 10 ...

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How can I transfer matlab to another user
We've done this several times. Contact your sales rep at the Mathworks. If you don't know who it is, just call the general num...

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Why is the line of y2 always a flat line at x-axis instead of a straight line with negative gradient?
It's flat because of hte scale of your y axis. Look -- it goes from -1 to 50 million, while y2 goes from 3 to -17. How do you ...

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How to convert a grayscale indexed image into a RGB indexed image ?
There is no such thing as an RGB indexed image. You can convert your indexed image into an RGB image with rgbImage = ind2rgb(i...

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how to extract missclassified pictures out of a file with a mixed dataset?
If, for your test set, you don't know the correct classification, and all you know is that the images you extracted into a diffe...

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Could a Phd uses a license Trial in a commercial company?
As I understand it, anyone can use MATLAB during their 30 day license trial. If they gave you a license, they want you to use i...

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Why do I keep getting an fopen error in my code? [absolute beginner]
This works fine: output_dir = pwd removed_ch = 9999; filename = 'test02.txt'; outputtextfile = fullfile(output_dir, filena...

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I am trying to run my code but it isn´t work. I don´t know what is wrong whit
It probably gets stuck in an infinite loop. Don't you understand that when you do this: n = 0; while n <=15 end n is less ...

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Why I do I get different results when I used jaccard Index with png format than with jpg format?
Both sets of code use the PNG versions. In general you should not use JPG files for image analysis, unless you're specifically ...

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Need Help Understanding the 'function_oceanwave()' function
Yes, that's the problem when people write code and don't put in good comments. You don't understand it and now you want us to p...

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What does the >> n = 1:100; >> x = ( (-1).^(n+1) ) ./ (2*n - 1); >> y = sum(x) >>plot(x(1,1:4)) mean?
x is a row vector so it doesn't need two indexes. y is assigned but not used. The plot() plots the first 4 values from the x a...

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How to Create a Equidistant histogram
Instead of using histogram which will plot the edges like you have, if you want equal spacing upon display, regardless of what t...

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How can I apply different colors to specific areas of a surface plot?
You can make an image of the colors that you want to have at each location. Then see my attached demo.

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Hi there, I'm encountering an issue and would appreciate your guidance in resolving it.
mode is a built-in function. Don't use it as the name of your variable!! Also, you need to initialize your variables before th...

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How to segment image with multiple bounding box coordinates given in excel format.
If you have the bounding box coordinates, you can use imcrop to extract just that rectangle. To process multiple images, see th...

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OCR on binary image
Here's an improvement, though I don't have time to finish it now. % Demo by Image Analyst clc; % Clear the command window. ...

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Program to extract single objects from a image based on the centers of gravity of each object (+ 2-3 pixels outside the hyperbola).
Since you're already using regionprops, you have already segmented the image and have a binary mask. I don't know what a hyperb...

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How many activations are allowed for one license file.
Yes, you can.

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Adding a Column to a Table
To add a column to a table, use addvars help addvars

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[Image Processing] Remove stripes / horizontal streaks in image
Hopefully the white part is not overexposed. If not, then the common way to do it is to take the mean of the image horizontally...

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Can I use student's license for my Master's degree thesis, which is related to a project being developed in the company I work for?
In my opinion, yes, because the code you develop will be directly used in your thesis. Now if your project was totally unrelate...

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how to find pixel values and intensity of grayscale image and plot them (x-axis as pixel value and y-axis as pixel intensity)
I'm not sure why you're taking a histogram of the binary image. I think what you meant was to take the histogram of the masked ...

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How can i superimpose image on plot?
Try this, and see attached demos. Adapt as needed. % Draw a small image inset in the upper right corner of a larger plot. % R...

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Remove 'anomalous' blobs in a polygon (polyshape).
First of all, don't use eval: https://matlab.fandom.com/wiki/FAQ#Why_is_it_advised_to_avoid_using_the_%22eval%22_function? Sec...

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Why won't my code run even though it has no errors
You made the common beginner mistake of not having a failsafe in your while loop so you get an infinite loop because your exit c...

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Remove noise from an audio file
It's the cocktail party problem. https://en.wikipedia.org/wiki/Cocktail_party_effect Use BSS or ICA. See references below: ...

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Image analysis: separate objects in a 3D model using erosion
Try strel then imerode or imopen on your BI2 array. It should be fairly straigthforward.

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Dicom image segmentation to detect objects with same pixel intensity neighbor
If the other tissue is "touching" the green surface, then it will be tough to distinguish them based on intensity and morphology...

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Finding angle Between the bending of finger
Try bwskel. Be careful though because some algorithm that works fine for a computer graphics image may fail miserably for a rea...

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How do I get the brightest pixels from this image?
You should be able to use @bwskel to get the skeleton. Then use the skeleton as a mask to get the pixel values along the ridge....

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