Answered
Tracking Min & Max Values in 2D Contour Plot
I don't know how your data is arranged or how you're plotting it, but you should be able to just use plot(). I assume you have ...

2 years ago | 0

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Answered
Generate 3D model from a 2D image
While I'm waiting for MATLAB to load, I'm going to throw this out there. https://www.mathworks.com/matlabcentral/answers/1926...

2 years ago | 0

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Generate 3D model from a 2D image
I've always found that one of the biggest troubles with resin processes is getting decent reproduction of small islands/holes. ...

2 years ago | 0

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how to let a "plot" immune on any later " hold off" once this "plot" is created.
Here's one idea. r=10; plot([-35,35], [0,0], 'r-.' ) axis equal hold on % just create a dummy plot object to be used in...

2 years ago | 0

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Answered
use rgb to caculate three brown ratio
The question is unclear. This seems to be what was attempted, but it doesn't make sense given the question statement. inpict =...

2 years ago | 0

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Answered
RGB or HSV
I keep seeing this thread and every time I wish I could ask what the question meant. It's conflating a bunch of terms which the...

2 years ago | 0

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I made a folder with 12 .fig files, I am attempting to convert these to jpeg using a loop.
Maybe something more like this. D = dir('Figures/*.fig'); % use dir() to get directory contents for K = 1:numel(D) hf = o...

2 years ago | 0

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Answered
Develop a matlab program that generates a 10x10 array of random integers and uses appropriate flow-control structures to search the grid and determine the maximum and minimum
Want to see if your TA can tell you didn't do your own homework? Here's a fair test. [~,A] = system('od -vAn -N200 -tu2 < /dev...

2 years ago | 1

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How to draw an histogram?
See histogram() and histcounts() A = randn(150,150); % normally distributed random numbers histogram(A) % looks like a gaussia...

2 years ago | 1

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Plot sequence of images on top of a trajectory
Here's a start. Note that the alignment is just guesswork on my part. Also, I don't know why there's a frame offset between th...

2 years ago | 0

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Answered
How to Extract Data from Contour Image?
As far as I'm concerned, you'd do it the same way you'd extract the lines. Manually. https://www.mathworks.com/matlabcentral...

2 years ago | 1

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Answered
Calculate the derivative of a function using forward, backward, and central difference.
Here are two similar questions, both with good answers. https://www.mathworks.com/matlabcentral/answers/213823-forward-backward...

2 years ago | 0

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how can i change image brightness ?
https://www.mathworks.com/matlabcentral/answers/347448-how-to-increase-the-brightness-of-an-image

2 years ago | 0

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how can I make the dilation and erosion process on the image in the cleanest way?
I'm not sure, but I imagine there are better ways of approaching this type of image. This is just something I came up with by o...

2 years ago | 0

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How Do I Implement Histogram Normalization for RGB Image?
Unless you're converting your image to unit-scale floating point, then these operations will destroy the image. inpict = imrea...

2 years ago | 0

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How to divide an image into non-overlapping blocks?
This has been asked and answered a bazillion times, so I'll just throw this out there again. If the goal is to subdivide an ima...

2 years ago | 0

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CONVERT TEXT TO IMAGE
Old question, but let's approach this from the specifics of the original use case. We want a small image of some text. Trying ...

2 years ago | 0

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How to change scale of y-axes of an image displayed with imagesc?
imagesc() supports the specification of the x and y ranges. I don't know what your x range should be, but since this example im...

2 years ago | 0

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Answered
Change specific colour in an image
See also: https://www.mathworks.com/matlabcentral/answers/52814-switch-between-colors-on-image https://www.mathworks.com/matla...

2 years ago | 1

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How to apply adapthisteq only on part of an image
I'm going to assume that this is what you mean when you say "right half and bottom half". This will work regardless of whether ...

2 years ago | 0

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3d Surface chat, limit then extent the Z axis
In lieu of irrelevant AI-generated link spam, consider the example: % fake xyz data n = 100; x = linspace(0,100,n); % x is 10...

2 years ago | 0

Answered
Distinguish between ASCII and Binary
See also stlGetFormat() from stltools on the FEX, or the improved version included here: https://www.mathworks.com/matlabcentra...

2 years ago | 1

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How should I go about assigning a color to a range of values in a 1800x1200 array?
If you're just trying to make the whole thing pseudocolor based on known limiting values (e.g. the extrema of the image data), t...

2 years ago | 1

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I want to display images at their original sizes (e.g., new_img is larger than main_img, but when shown, they appear to be the same size).
Consider this as a compromise if the goal is simply to illustrate the relative scale. main_img = imread('peppers.png'); main_i...

2 years ago | 0

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Create a movie from matrices
It only looks like you're capturing one frame, and you're not closing the writer object. There's an example in the documentatio...

2 years ago | 1

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How can I do images averaging after applying different noises?
There are two problems. One is that you're creating a bunch of numbered variables, which is always a great way to complicate th...

2 years ago | 0

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How to remove red from the image
If you created the original image, then you shouldn't even be trying to do this. Processing damaged mis-sized screenshots is on...

2 years ago | 0

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Answered
Increase plot speed in MATLAB
I think Yair's comment is probably a good start, though perhaps the significance of certain parts have changed over time: https...

2 years ago | 1

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Why is my diverging colormap not centered as expected?
The problem is caused by when you call crameri(). Remember that a color table is just an ordered progression of color tuples. ...

2 years ago | 1

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Answered
Isolating objects detected in a binary image
You can use the 'image' property from regionprops() to avoid a lot of hassle here. % a logical image with two blobs whose bound...

2 years ago | 1

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