Answered
I want to install an MATLAB 2024 Update 6 but it is only showing Update 2 do I have to reinstall?
Try to install the update from the bell icon in the title bar in the upper right. Does your bell have a red dot on it, or not? ...

1 year ago | 0

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Network doesn't work on test image
Make sure your new images are resized to the required size for your model (the same size as your training, validation, and test ...

1 year ago | 0

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Representing an area on a different axis.
To have different data (like area) on a different/additional axis, see yyaxis help yyaxis

1 year ago | 1

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Finding mean value over certain amount of values in a matrix
A = [1,2,3;4,6,8;7,12,7;14,4,23] result = [2.5,4,5.5;10.5,8,15] % Your desired answer r = conv2(A, [1;1]/2, 'valid'); r = r(1...

1 year ago | 1

Answered
How "medfilt1(X,N) filter logic works. How to convert this into embedded c language. please suggest how to do this.
See https://en.wikipedia.org/wiki/Median_filter for a thorough explanation of the median filter. For many MATLAB functions, y...

1 year ago | 0

Answered
How do you track a tip of a pendulium and plot its displacement against time?
It all comes down to extracting one frame at a time and then segmenting that frame and using regionprops to find the centroid. ...

1 year ago | 0

Answered
AI to help with Matlab scripting and Simulink Drawing
See this link: https://www.mathworks.com/matlabcentral/discussions/highlights/851851-introducing-the-revolutionary-preanswer-ai-...

1 year ago | 0

Answered
Attempting to fit data with a sigmoid curve, but not an option in curvefitter toolbox
Attach your actual data so we can work with it. In the meantime, I'm attaching my demo of fitting a sigmoid, though it uses a d...

1 year ago | 0

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Read multiple images from folder and subfolder within a for loop
See the FAQ for code snippets: Process a sequence of files

1 year ago | 0

Answered
create mask (line) based on conditional (mask)
Based on your question and the answer, I don't understand. I don't know why you're messing with circles when regions in a thres...

1 year ago | 0

Answered
How to filter out the noisy portion of contourf plot?
So it sounds like you want to remove local outliers and noise but do not want to touch/smooth data points that you consider to b...

1 year ago | 0

Answered
Detecting circles in an image to measure inner and outer diameter
Yes. You're using the wrong lens. It needs to be a telecentric macro lens. Telecentric so that you don't see the sides of the...

1 year ago | 0

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Answered
How to plot one curve and change color according to value
Maybe this: x = linspace(0,10); y = sin(3*x) .* exp(0.5 * x); plot(x,y,'-b.'); hold on yline(25, 'LineWidth', 2, 'Color', ...

1 year ago | 1

Answered
code for segmentation of image using grabcut algorithm
GrabCut is in the image segmenter app on the Apps tab of the tool ribbon. Once you've done it, click the Export button on the a...

1 year ago | 0

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How to check color image linear or nonlinear?
Image a gray scale step wedge with known reflectance percentages, like the Calibrite Color Checker Chart. https://calibrite.com...

1 year ago | 0

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How to exclude a certain value from a range?
It doesn't look like your "e" has a value of 6, but if it did, you'd do this e = e(e ~= 6); % e must be a vector. If e is a ma...

1 year ago | 0

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Change specific colour in an image
Simply use the Color Thresholder app on the Apps tab of the tool ribbon to create a mask for the red chips. Then use that mask ...

1 year ago | 0

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Methods of Detecting and Removing Protrusions in Image
How about this: % Read in image. grayImage = imread('blobs5.jpeg'); % Convert to binary. binaryImage = grayImage(:,:,2) > 12...

1 year ago | 0

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Answered
image processing
To process a series of image files, see the FAQ: Process a sequence of files

1 year ago | 0

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How to extract numbers from image with reflections and artifacts?
@DGM is right. It's better to fix your camera image acquisition parameters, if you can, than to try to fix up a bad image. If ...

1 year ago | 1

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Answered
How to fit a nonparametric distribution to a sample of known percentile values
You could fit a spline through them. The spline doesn't take any parameters, it just fits a cubic equation between each pair of...

1 year ago | 0

Answered
Methods of Detecting and Removing Protrusions in Image
Yes, you just call imerode to eat away enough layers such that the blob separates into two blobs. Then you "thicken" the image ...

1 year ago | 0

Answered
Help Needed: Fixing Indexing Error in MATLAB Random Name Generator Code
See the FAQ: What is a cell array It will give you a good intuitive feel for when to use braces { }, when to use brackets [ ],...

1 year ago | 0

Answered
Alzheimer disease dataset using deep learning technologies
I suggest you not use your computer and use a much more powerful computer in the cloud. See https://www.mathworks.com/search.h...

1 year ago | 0

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finding the minimum of a function input with a parameter
Are you simply trying to find the minimum value of newmatrix for that particular value of conversion? If so, why not just use m...

1 year ago | 0

Discussion

Rope around the earth
Imagine that the earth is a perfect sphere with a radius of 6371000 meters and there is a rope tightly wrapped around the equato...

1 year ago | 3

Answered
Macroscopic Specimen image Sectioning
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

1 year ago | 0

Answered
find best fit ellipse to a set of data points
See the FAQ: https://matlab.fandom.com/wiki/FAQ#How_can_I_fit_an_ellipse_or_other_shape_to_a_set_of_XY_data?

1 year ago | 0

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Different filters for pretrainned network
Only you would know if they preprocessing filters you tried will help your network classify the images better than with no prepr...

1 year ago | 0

Answered
plot several equation and extract vertices
% First y=1 yline(1, 'Color', 'r', 'LineWidth', 2) hold on; % Next y = -4x + 1 over the x range of -5 to 5. x = linspace(-5,...

1 year ago | 1

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