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How to remove black (no perfectly black) background and calculate area of cracks?
@Elisa try this: % Demo by Image Analyst % Initialization steps: clc; % Clear the command window. close all; % Close all...

1 year ago | 1

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Answered
order using first column in array cell
Fixed code below. Read comments for explanation. s = load('matlab_cell.mat'); originalList = s.newList % The problem with so...

1 year ago | 0

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filling Index issues imfindcircles
I don't know what this means: "not filling the index or maybe there isnt enough to fill the array". The demo and your code does...

1 year ago | 0

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Isolating one Texture from LBP
@Veronica See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpos...

1 year ago | 0

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Determine the centroid and radius of the intervertebral disk
Try this: % Demo by Image Analyst % Initialization steps: clc; % Clear the command window. close all; % Close all figure...

1 year ago | 0

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MATLAB wont start on Linux. It did yesterday.
See the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_error_message_when_I_try_to_run_M...

1 year ago | 0

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Is there a way to crop an array depending on the values that I want through a function as the values change?
The binary option is trivial if you have the Image Processing Toolbox signal = logical([0,0,0,0,1,1,1,1,1,0,0,0,1,0,0,0,0,1,1,1...

1 year ago | 0

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saving elements of a dataset as images
Your cRadon() will do the radon transform for every angle from 1,2,3,4,....,179,180. Is that what you want or do you want just ...

1 year ago | 1

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How to remove black (no perfectly black) background and calculate area of cracks?
Defining the mask is easy. Assuming it's pure zero you can just do something like circleMask = grayImage > 0; It looks like t...

1 year ago | 1

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GUIDE code from pre 2015 need to access the button press function and "programatically press the button" from a different m file
I agree with @Steven Lord that you should just rethink and reorganize the workflow. That said, please read the FAQ for ideas on...

1 year ago | 0

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How to play video in matlab for computer vision?
Do you really need to re-instantiate the video player inside the while loop? Try moving these lines before the while loop % In...

1 year ago | 1

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Answered
saving elements of a dataset as images
You want to save inputData(:,:,idxSelected(i)), which is a variable internal to a Mathworks written function called loadCSIDatas...

1 year ago | 1

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How could I fix this file path error？
Where does the MAT file actually live? If it is not in that folder, then type in the full path and name of the file.

1 year ago | 0

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Getting " Yet Another Color Gamut Visualizer" App Working
I don't know about that particular File Exchangeitem but if you want to look at the gamut of your actual image, you might check ...

1 year ago | 0

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How to get warning source
Learn to debug your code. Just step through it one line at a time until you see the error appear. See this link Debugging in ...

1 year ago | 0

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How to save an image without axis or white space?
You can use imwrite() to save any matrix as an image. It won't save any axis labels or graphics in the overlay. You can use ...

1 year ago | 0

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Not recognizing any text files in folder using dir(fullfile)
You're missing the forward slash after the drive letter and colon. Put that in. Also, your code is not very robust. You could...

1 year ago | 0

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Assigning many cell array entries to same value using index
Seems like it should work, but it doesn't. However this works: %% Goal is cell array 'cellArray' containing 'High' for certain...

1 year ago | 0

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Problem with matlab; error opening functions
Simply reinstall the complete version. Do NOT "paste the toolbox folders, not install." Evidently that doesn't work, as you fo...

1 year ago | 0

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Answered
How to connect point by curve instead of line in MTALB plot
If you want a smooth envelope going through the convex hull points, like you showed in your example, I suggest first using convh...

1 year ago | 0

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Add costume buttons to imagesc plot
I'd just use AppDesigner to create a GUI with an axes on it. Then use imshow() to display the image. Then have a button that s...

1 year ago | 1

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If I want to get a radial profile on an image, which program should I use?
@Kengo Igarashi I think they should be the same if they, and you, implemented the correct algorithm. Are you sure they all used...

1 year ago | 0

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Boundary Extraction Issue Using Image Restoration Techniques
After you call plot, do this: axis('on', 'image'); or you can do axis ij

1 year ago | 0

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Why do I get such different values for R, G and B for very similar photos?
It looks like your data for the latter plots is oscillating on an alternating element basis between two curves, hence the "solid...

1 year ago | 1

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How can I find water surface temperature from landsat-9 bands?
Use multibandread to read bands 10 and 11. I'm not sure of the difference between those two bands (presumably you do), but thei...

1 year ago | 0

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Curve fitting with loop
So why can't you just do what you said? Just call lsqcurvefit three times, updating variables before the second and third calls...

2 years ago | 0

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Can I adjust the hyperparameters when using the Classification Learner app?
Perhaps. I know the Classification Learner app did undergo some changes around 2019. Not sure why you chose not to fill out th...

2 years ago | 0

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how can i plot graph of skin friction using the bellow code.
I always use the function version of save. Try save('sliphybrid_upper.txt', 'descris', '-ascii');

2 years ago | 0

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Answered
Connecting branch points using a straight line as dictated by the skeleton
Why? Why do you think you need that? Here's what I'd do: Call bwmorph to find the branchpoints. Loop over each branchpoint an...

2 years ago | 0

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how to open excel in side script
If you use Windows you can use ActiveX to open Excel and control anything in Excel. from your MATLAB code directly (no need to i...

2 years ago | 0

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