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Calculation of centroide of an object in image
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

alrededor de 2 años hace | 0

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I want to count the number of 0s in a binary sequence which occurs for n number of times, where n=1:25.
If you have the Image Processing Toolbox you can use a few functions in there: % Define sample data. A = [0 0 0 1 0 0 1 0 1 0 ...

alrededor de 2 años hace | 0

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Can we automatically find the threshold from CT images having 3 different materials?
Did you try multithresh? help multithresh

alrededor de 2 años hace | 1

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determining the data of a repeated period from a single file.
Try conv y = 1:8 out = conv(y, [1,1]/2, 'full'); out = out(2:end-1) If you have any more questions, then attach your data an...

alrededor de 2 años hace | 0

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detect the blue color
Use the Color Thresholder app to adjust thresholds. It's on the Apps tab of the tool ribbon. Tell it to use HSV color space, t...

alrededor de 2 años hace | 0

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How to detect wavelength patterns using fft2?
Your hypothesis is wrong. The "wavelengths" indicated by your arrows are not high frequencies - they are low frequencies. Anyw...

alrededor de 2 años hace | 0

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How to start figure window in matlab
Take the App Designer training: MATLAB App Designer If you have any more questions, then attach your data and code to read it ...

alrededor de 2 años hace | 0

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How to set the default documentation location to "Locally Installed" at the time of installation?
Home tab Preferences Help Click Installed locally radio button

alrededor de 2 años hace | 0

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Estimation of particle size in the image
Try this: % Demo by Image Analyst % Initialization steps: clc; % Clear the command window. close all; % Close all figure...

alrededor de 2 años hace | 0

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Squeeze some part of a plot
There are several submissions in the File Exchange for broken y axes or axes with "gaps" in them. Search for "break y axis" ht...

alrededor de 2 años hace | 0

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how can i blur the background?
You can try the foreground detector in the Computer Vision Toolbox. https://www.mathworks.com/help/vision/ref/vision.foreground...

alrededor de 2 años hace | 0

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How to speed up convolution with a million data points
Use the built-in convolutions functions: conv and conv2. They are highly optimized for speed.

alrededor de 2 años hace | 1

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particle size and shape analysis
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

alrededor de 2 años hace | 0

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Estimation of particle size in the image
Yes, it's pretty easy. Would be better if you could also post an image with just the background in there. Can we assume that t...

alrededor de 2 años hace | 0

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where to enter the input in fault analysis of washing machine
Take a training course on MATLAB's AppDesigner MATLAB App Designer It should show you how you can enter your input values into...

alrededor de 2 años hace | 0

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How to spline 163 data points into 100 data points?
See attached demo. You can easily use new values for the descriptively-named variables in the demo to do what you want.

alrededor de 2 años hace | 0

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big problem with matlab and simulink
Try the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_error_message_when_I_try_to_run_...

alrededor de 2 años hace | 0

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I am new to matlab and I'm trying to filter the noise out of the audio. I tried some filters but can't event get close to lessening the noise.
Did you try the Data Cleaner app on the Apps tab of the tool ribbon? Can you upload a screenshot of your noisy original data, a...

alrededor de 2 años hace | 0

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The image calculation found that they are all black or all white.
img1 is an array so you need to use dot division img = (-0.18 ./ (-0.28 ./ (45.39 ./ img1 - 1)) + 1) * 5.3; And double check y...

alrededor de 2 años hace | 0

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Do calculations in csv data one csv file at the time
See the FAQ for code samples to process a sequence of files: Process a sequence of files

alrededor de 2 años hace | 0

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Errors in turbulent image analysis.
The reason for the error is that your image does not have as many as 840 rows and 1320 columns. Why are you even cropping the i...

alrededor de 2 años hace | 1

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How to smooth the line curves in the plot?
See attached demo. Adapt as needed. % Demo to show spline interpolation. % Clean up / initialize clc; close all; clear a...

alrededor de 2 años hace | 1

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calculating the velocity and distance of a rocket
Why do you need differential equations? velocity = acceleration * time and distance = (1/2) a*t^2 + v*t + d0. You only are giv...

alrededor de 2 años hace | 0

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How to extract the Physical value from the Raw Signal of the CAN using MATLAB coding
I have no idea what BMS is, nor CAN. Please explain and attach your data file. Zip it up if the extension is not allowed for u...

alrededor de 2 años hace | 0

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how to convert numerical dataset to image ?
If you're building your own network then you can just design it to use your existing matrix size of 2816 x 2500. No need to res...

alrededor de 2 años hace | 1

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Problem 56313. Find Air Temperature from Cricket Stridulation Rate
Not sure why you have a while loop. It will enter the while loop because F=0 is less than 50 but then you add 110 to it so the ...

alrededor de 2 años hace | 0

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How to segment dataset and randomly sample and append datapoints?
Try this: % Create initial full table. col1 = [3.0; 5.6; 10.2; 12.0; 14.4; 15.6]; col2 = {"08-Feb-2019 12:34:52"; "11-Feb-201...

alrededor de 2 años hace | 0

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Improve my MATLAB skills
See Best way(s) to master MATLAB? - MATLAB Answers - MATLAB Central

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Modifying the search path is not supported by Matlab Compiler?
Try taking that line of code out of your program. To add files that the compilation process may not see and automatically inclu...

alrededor de 2 años hace | 0

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Saving 3D image after segmentation
Did you try imwrite or save? help imwrite

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