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How Do I Implement Histogram Normalization for RGB Image?
Yes it will look weird. That's because you stretched each color channel independently and that destroys the color relationship....

25 dagen ago | 0

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Is it possible to make a video play through of points showing yaw, pitch, and roll values?
See my attached movie making demos.

25 dagen ago | 0

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how can I make the dilation and erosion process on the image in the cleanest way?
I don't think you need to do any of that for deep learning. You don't need to get rid of the black background in the corners....

25 dagen ago | 0

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how can i change image brightness ?
Try imadjust or adapthisteq

25 dagen ago | 0

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When running an exe created from a matlab app, where are the variables stored?
Steve's answer is right. However if you have your program store variables to disk files in the "current" folder, you might face...

28 dagen ago | 1

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Drawing on UI Axes in MATLAB app designer
There is a family of "draw" functions, like drawpolygon, drawfreehand, drawline, etc. Use one of them. See attached demos if y...

29 dagen ago | 1

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duration of rain. help
You might look into splitapply, grpstats, groupsummary, and findgroups. They are very useful functions to know about! 🙂

30 dagen ago | 0

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Detect monotonic decrease and record the corresponding rate
Does this help? D1= {'3/25/2024 15:01:10' 15 '3/25/2024 15:01:26' 25 '3/25/2024 15:01:42' 25 '3/25/2024 15...

ongeveer een maand ago | 0

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How to make a logical mask using a shape file?
You have to define lat and lon as vectors before you use them in meshgrid to get the full matrices Lat and Lon as outputs.

ongeveer een maand ago | 0

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Is there a way to calculate differnce between two pictures and show it as %?
See https://en.wikipedia.org/wiki/Image_quality In MATLAB try brisque, niqe, and piqe

ongeveer een maand ago | 0

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Finding multiple flat sections
Try movstd

ongeveer een maand ago | 2

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Boundary Extraction Algorithm for Low-Resolution Ultrasound Images
I see no justification from the image alone that the bright region(s) would form a donut shape. You must be indicating those us...

ongeveer een maand ago | 0

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Matlab asks me to sign in when I'm offline
Are you using a shared license -- part of a license pool? Like where your organization has a group of licenses (less than the n...

ongeveer een maand ago | 0

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How to generate multiple tiff files into my file path?
You cannot use colons in the file name (for Windows) unless it's immediately after a drive letter. Try this: thresholdarray = ...

ongeveer een maand ago | 0

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Is it possible to use format long in one line of code and then use format short in another line of code on the same script?
Just call format whenever you want to set the format and it will be that format for the rest of the script (or until you call fo...

ongeveer een maand ago | 0

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classification network with images, around 400 classes, each class minimum 5 images, around 4000 images
Yes you can convert vectors into images and then use deep learning to classify the vectors. However I'm not seeing the part whe...

ongeveer een maand ago | 0

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Answered
Extracting a double array from within a struct
Structures have "fields" not "cells". "One of those fields is called contains..." <== is called WHAT??? You left out the name ...

ongeveer een maand ago | 0

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How to isolate inner branch structure (similar to bulk background color) from ring of dark gray?
I could maybe do a better job than that, but unfortunately you forgot to attach the actual image, image.tif. If you still need ...

ongeveer een maand ago | 0

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imread file does not exist - Unable to read file with multiple images
To process a sequence of files in a folder, see code snippets in the FAQ: https://matlab.fandom.com/wiki/FAQ#How_can_I_process_...

ongeveer een maand ago | 0

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Find turning point of noisy signal
Try findchangepts. If it doesn't work well then first try to denoise your signal by running it through movmedian. Another opti...

ongeveer een maand ago | 0

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How do I write a code for given formula?
I feel that kmeans is not a good method in your situation. kmeans is good when you know that you have the required number of cl...

ongeveer een maand ago | 0

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Trying to adjust weighting on PART of a sigmoid fit
Then simply don't include that data in your training data set. Try firstIndex = find(x > 500); partialYData = y(firstIndex : ...

ongeveer een maand ago | 0

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I am not able to save my file on the trial version
"UNTITLED2. " is an unusal name for a folder. Not that a dot and a space are not allowed, but maybe just save it to a regular f...

ongeveer een maand ago | 0

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Matlab doesn't open
Evidently you have not tried the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_error_m...

ongeveer een maand ago | 0

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Answered
How to calculate center of pressure given a 2d array containing pressure data
If you have the Image Processing Toolbox (I think most people do) then you can do it in one line of code by asking regionprops t...

ongeveer een maand ago | 1

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What would be the equation of the following surface?
One assumption might be that it's the sum of two Gaussians, like z = a1 * exp(-( (x-xctr1).^2 + (y-yctr1).^2) / sigma1) + a2 *...

ongeveer 2 maanden ago | 0

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Answered
Problem with loop for
This is round-off error, a form of quantization error. See https://en.wikipedia.org/wiki/Round-off_error and https://matlab....

ongeveer 2 maanden ago | 0

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Standalone Application - fwrite invalid file identifier if launched by another user
Maybe try fclose('all') in the code where your app shuts down.

ongeveer 2 maanden ago | 1

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Crack analysis and width measurement in Concrete
I'm pretty sure I've done this several times before. Look up tags concrete, crack, etc. and see what answers of mine pop up. I...

ongeveer 2 maanden ago | 0

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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 ...

ongeveer 2 maanden ago | 2

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