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Trying to understand why my graphs are all flipped
Maybe try axis ij or axis xy until the graph is in the orientation you want.

3 months 前 | 0

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How does the regionprops calculate the area or the eccentricity of an object?
Not sure how I missed your question 5 years ago, but anyway I don't think you'd use hough() anymore. You'd use imfindcircles, t...

3 months 前 | 0

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Adjusting color limits on displayed color images
What data type do you have for your indexed image? If it's double, it should be in the range 0-1, and if it's uint8 it should b...

3 months 前 | 0

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Measuring average intensity of pixels for multiple images.
There is absolutely no need to store all your images in a cell array or as a 3-D image. See the FAQ for code on how to proces...

3 months 前 | 0

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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? ...

3 months 前 | 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 ...

3 months 前 | 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

3 months 前 | 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...

3 months 前 | 1

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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...

3 months 前 | 0

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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. ...

3 months 前 | 0

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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-...

3 months 前 | 0

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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...

3 months 前 | 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

3 months 前 | 0

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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...

3 months 前 | 0

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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...

3 months 前 | 0

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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...

3 months 前 | 0

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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', ...

3 months 前 | 1

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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...

3 months 前 | 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...

3 months 前 | 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...

3 months 前 | 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 ...

3 months 前 | 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...

3 months 前 | 0

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

3 months 前 | 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 ...

3 months 前 | 1

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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...

3 months 前 | 0

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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 ...

3 months 前 | 0

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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 [ ],...

3 months 前 | 0

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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...

4 months 前 | 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...

4 months 前 | 0

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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 ...

4 months 前 | 0