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Drop size distribution and surface coverage by MATLAB
That's a tough one. I'd try to see if you can get a better image. Try different lighting, different geometry, different backgr...

15 Tage vor | 0

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Measuring average distance between two lines in an OCT Image
Just scan across the thresholded image finding the first and last rows where you have a pixel. Then you might have to get rid o...

15 Tage vor | 0

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how can you determine the threshold that covers the functional area of the image in matlab?
@Laura try this: % Demo by Image Analyst clc; % Clear the command window. close all; % Close all figures (except those of...

15 Tage vor | 0

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In a binary image how do I make set the values of pixels inside a white blob of a certain radius to zero ?
@Abhishek Deshpande try this: % Demo by Image Analyst clc; % Clear the command window. close all; % Close all figures (ex...

15 Tage vor | 0

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how to make the results of "classification learner" reproducable?
Click on the Export button to export the code.

15 Tage vor | 0

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Hello, I would appreciate if someone helped me with converting a signal to an image to use the image as an input to CNN to do forecasting/prediction
Try reshape

15 Tage vor | 0

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how to select the parts/objects in an image
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

16 Tage vor | 0

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How to mask numbering inside rectangular ROI
I don't know what you mean by "archive". Maybe try imwrite or exportgraphics. If you want to display circles without a label, ...

16 Tage vor | 0

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HELP!! No matter how big I set the threshold THE OBJECTS I DON'T WANT ARE NOT HIGHLIGHTED!!!
I believe you need to compute the Euclidean Distance Transform with bwdist and then threshold it. Then call bwareaopen to extra...

16 Tage vor | 1

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Why is MATLAB not making multiple plots when I specify separate figures?
You could put close all at the beginning of your script to close all windows. It should work then, though I'm not sure why it...

16 Tage vor | 0

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want to see where is the problem in this code doesn't give me result
What did you pass in for x,y,z,k,a1,a2,b2,c,d,p,sigma,beta? You didn't just click the green run triangle, did you? Because doi...

16 Tage vor | 0

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Cross section of a plot (surface, Imagesc) using an arbitrary line
That's exactly what my attached demo does. It allows you to draw over your image with drawfreehand and then plots the image val...

17 Tage vor | 1

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Particle distribution of given image
This is a very difficult problem. I doubt thresholding would work great but you can try the Color Thresholder on the Apps tab o...

17 Tage vor | 1

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I would like to calculate heart rate by determining threshold for amplitude
Try this: % Optional initialization steps clc; % Clear the command window. close all; % Close all figures (except those o...

18 Tage vor | 0

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How to measure crack width
That doesn't look like the right algorithm if you want to find crack widths. Did you see my post where I found the mean width o...

18 Tage vor | 0

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how can i add circle around object and my code here just need a circle
I have no idea of the radius or center location of the circle you want to draw because you forgot to attach the image. But usua...

18 Tage vor | 0

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Image BLOB to image
As you can see they are not all the same size, assuming those are the decompressed sizes. You should be able to use sqrt if the...

18 Tage vor | 0

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Program to to ask a user for name, age and income
See this snippet. Adapt as needed. % Ask user for two floating point numbers. defaultValue = {'45.67', '78.91'}; titleBar = ...

18 Tage vor | 0

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Removing periodic noise from an image using the Fourier Transform
An image is generally composed of a lot of energy in the low spatial frequencies and less in the higher frequencies. In the hig...

18 Tage vor | 0

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Replicate a colormap in MATLAB
Not sure what that does but if you're interested in a color wheel, see my attached demo.

18 Tage vor | 0

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i extracted frames from the video but the frames are not showing in full in the folder I saved them.
Try using getframe. See attached demo.

19 Tage vor | 0

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Plot data in matlab
From your other post it seems you want one plot/graph/axes with one curve in it, then another plot/graph/axes with 3 curves in i...

19 Tage vor | 0

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can you help me identify the issue in my code
Try using the debugger to examine the variables. Debugging in MATLAB | Doug's MATLAB Video Tutorials If you have any more ques...

19 Tage vor | 0

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I have mass images that I want to extract the feret, circularity and area of but how do I know that's what is being counted?
You can display bw: imshow(bw); That will show you the blobs that are being measured.

19 Tage vor | 0

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How can I find the sum of the area in a specified region in the image according to the pixel intensity value?
I would get the list of (x,y) coordinates for each arc, then call poly2mask. Then call nnz or bwarea or regionprops or polyarea...

19 Tage vor | 0

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I am receiving an error message that there are not enough input arguments in my function f.
You're probably just clicking the green run triangle button. Doing that does not "invent" some x to pass in to the function. Y...

19 Tage vor | 0

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How to remove distortions from an image which is imported in MATLAB as a matrix of pixel values (as a file.MAT)?
There is a camera calibration capability in the Computer Vision Toolbox. Check it out. Also see Steve's blog: Spatial transfor...

19 Tage vor | 0

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i extracted frames from the video but the frames are not showing in full in the folder I saved them.
If you have any more questions, then attach your data and code to read it in with the paperclip icon after you read this: TUTOR...

19 Tage vor | 0

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axeshandle with matlab code
Try it this way % First plot on first axes subplot(2, 1, 1); % Create second axes. plot(rand(1,10), 'b.-', 'LineWidth', 2, 'M...

19 Tage vor | 0

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How to replace specific characters in a cell array?
Try the function endsWith in a loop to check if the string ends with certain characters B={'MATHIEW','NIKOLIEW','SAMIEW','SAMOU...

22 Tage vor | 0

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