Answered
Why the codes detects the binary image wrong?
That's a demo of mine that was probably not developed for your particular image. You'll have to modify it for your image. I do...

2 years ago | 0

| accepted

Answered
Getting an error using writebmp (line 14) Expected X to be one of these types: logical, uint8, single, double
Try bin = mat2gray(single(bin)); % Convert from uint32 to something imwrite likes. imwrite(bin, 'Recovered.png');

2 years ago | 0

Answered
How to create line connects between two semi circles?
You can use line to draw a line below the lower semi circle.

2 years ago | 0

Answered
How do I get my old university account as in gmail account?
What is so important about your old account? Why do you need it? Why can't you just from this point on start using your new ac...

2 years ago | 0

Answered
How do i create and image from alpha-numeric characters?
Try https://www.mathworks.com/matlabcentral/fileexchange/4732-ascii-text-image-generator https://www.mathworks.com/matlabcentr...

2 years ago | 0

Answered
How to make data analysis, knowledge graph for unstructured raw mutli types files
You might like to look at this: https://en.wikipedia.org/wiki/Content-based_image_retrieval It mainly talks about images, but ...

2 years ago | 0

Answered
how crop an image automatically without any coordinate?
You can use padarray to add enough rows so that your box can be 512x512. Or you can crop what you have within the existing imag...

2 years ago | 0

| accepted

Answered
x^2 + y^2 =9
viscircles([0,0], 3); % Plot circle centered at (0,0) and with radius 3 grid on; % Show gridlines axis square % Make sure it's...

2 years ago | 0

Answered
How to do real Time EEG seizure Detection/analysis?
I suggest you first consult with your neurologist, or whatever medical professional hired you to do this, and have them identify...

2 years ago | 1

| accepted

Answered
How to analyze every single pixels intensity in a video clip?
See my attached demo where I find the mean R, G, and B mean of every frame in a video and plot them. Adapt the region to what y...

2 years ago | 1

Answered
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 ...

2 years ago | 0

Answered
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 ...

2 years ago | 0

| accepted

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

2 years ago | 1

| accepted

Answered
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...

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
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...

2 years ago | 0

| accepted

Answered
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 ...

2 years ago | 0

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

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
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.

2 years ago | 1

Answered
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 ...

2 years ago | 0

Answered
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...

2 years ago | 0

| accepted

Answered
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...

2 years ago | 0

Answered
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.

2 years ago | 0

Answered
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_...

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
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

2 years ago | 0