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Select for regions of interest in image analysis
See my attached demo to get the mean of each frame. It could easily be adapted to give the mean of each blob if there are sever...

2 years ago | 0

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Creating code that will recognize colors on a plot.
Simply use the Color Thresholder on the Apps tab of the tool ribbon. Use HSV or LAB color space. Adjust the sliders to segment...

2 years ago | 0

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How to segment an image of an object from it body with the presence of shadow with same or lower intensity value?
First you can ask bwareafilt to give you only blobs that fall into a certain size range (range of area in pixels). mask = bwa...

2 years ago | 1

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Common legend for each row of tiled layout
Did you try title or sgtitle?

2 years ago | 0

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how to averging the average the images in the folder
See my attached demo.

2 years ago | 0

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Why some numeric edit fields become empty right after clicking calculate button in app designer?
You probably set the text property of the edit text box to null. Or maybe your text has a line feed at the beginning and you ha...

2 years ago | 0

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I need to plot a graph for this physics problem and I don't know how to do it.
It's a bit tricky. So the marble is at the bottom of a sphere with no water in it and you flick it. It sails upward along the ...

2 years ago | 0

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how to import multiple csv file in matlab?
See the FAQ: https://matlab.fandom.com/wiki/FAQ#How_can_I_process_a_sequence_of_files? If you still can't figure it out, attach...

2 years ago | 0

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Cropping Irregular Images on MatLab
Believe it or not I've done this. Worked on it for many, many years and it's been in production use for over 20 years. Now the...

2 years ago | 0

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Error using edfinfo Expected input to be integer-valued.
Just how gigantic is your EEG signal? I can't imagine it would be very big, like more than a few MB or so. Are we talking tens...

2 years ago | 0

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How to combine three colour channels into the 'best' sRGB representation using a colour checker chart?
Shouldn't be too hard. So you have 3 gray scale images, one with a red filter, one with a green filter, and one with a blue fil...

2 years ago | 0

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Answered
This is a code that my team has been trying to fix but with no luck. There is one line on the graph that looks correct but the rest are all very small and wrong.
Yes, because the scale of the different plots is several orders of magnitude different so you can't see most of them if you use ...

2 years ago | 0

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Does anyone know how to load .mat file into app designer for plotting?
Try this: s = load('SBC1.mat') Don't use a semicolon and type that into the command window. What do you see? It should list...

2 years ago | 0

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Use same colorbar on new figure
After you've called figure and imshow to create your second image, call colorbar again cmap = hot(256); colormap(cmap); color...

2 years ago | 0

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test the mathlab solution of precipitation
Your "A" is a structure and so summing it leads to an error. You need to extract the array from the structure. I don't know wh...

2 years ago | 0

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How do I upload an image to Matlab to read in progam?
Try imread help imread See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic,...

2 years ago | 0

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Matlab don't work
See the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_error_message_when_I_try_to_run_...

2 years ago | 0

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Generate a group of random number
Try this and see if it works for your purposes. r = 0.5 * randn(20000, 1); histogram(r); grid on; theMean = mean(r) stDev =...

2 years ago | 1

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How to extract only the object and get the extreme coordinates?
Try bwferet. help bwferet

2 years ago | 0

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Assign values from an matrix to another by using row and column indexes -- array exceeds maximum array size preference
You can just use the logical image. Don't use find or rows or columns at all. Simply do mask = image1 == 1; % Logical image. ...

2 years ago | 1

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How to Remove Tail from Segmented Circle
Another solution might be possible. How much do you know about the tail? Is it always about that thickness, and the ventricle ...

2 years ago | 1

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How to package programs containing third-party tools into independent apps in Matlab?
First you'd have to get permission from the author/publisher to compile their third party code into your standalone executable. ...

2 years ago | 0

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Inserting zeros into another array at values in the second array
This looks like a homework problem. If you have any questions ask your instructor or read the link below to get started: How d...

2 years ago | 0

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How to calculate the Jaccard Index of two sets of points (x,y,z)
If you have just a list of points, and not a digital image, you can do this: list1 = [1,1; 2,3; 4,7; 5,9; 6,11; 7,13] list2 = ...

2 years ago | 0

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Identifying straight line & intersection with the curve from the binary image
The best solution is if you can put your part into some kind of jig so that everything is in a fixed, known position. Then you ...

2 years ago | 1

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Infusing/ Overlaying two images in reference to their center-to-center distance w.r.t to coordinates
You're going to have to create a canvas larger than either one, like the height is the sum of the two images heights. Paste one...

2 years ago | 0

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Read files with both upper and lower cases
In Windows, it will retrieve all the files regardless of the capitalization of the extension or base file name. I'm not sure ab...

2 years ago | 0

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What criteria should be used to select the number of images used in image processing for detection based on image segemntation?
Here is what MATLAB Playground says: "The number of images required to validate a traditional image analysis algorithm depends ...

2 years ago | 0

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image processing ideal LPF
There is no ideal LPF in general. Maybe there is for your particular image though depending on the high frequency noise in your...

2 years ago | 0

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Is it possible to use 'assignin' to append data to an array in the base workspace?
You'd need to use eval to first get the current values of the variable into a new variable, say existingVar. Then make up your ...

2 years ago | 0

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