# DGM

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Hi, I'm nobody. I don't belong here, but I have nothing better to do. Matlab used to be part of my work. Now it's part of my hobbies. That's pretty sad, really.

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How do I crop an image outside of box?

I guess I can try this in the forum editor at least. %% Step 1: Read Images % Read the target image containing a cluttered sce...

circa 7 ore fa | 0

| accettato

how to find area and volume from a .stl file?

Your STL, like many scans, is not a closed surface, and it has defects. According to admesh, it has 180 disconnected edges and ...

1 giorno fa | 0

how to compare answers ,which student chose it in answer sheet with answer key

Since there are no requirements at all, I choose to interpret the task in whatever way is dictated by the sum of whimsy and laz...

2 giorni fa | 0

How to mask pixels of certain ndvi values?

Here's my guess. % idx is apparently some sort of label array where the labels are unknown % so this simply figures out which ...

4 giorni fa | 0

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how to Identify the centre of atom

Here's a start. % the original image inpict = imread('image.png'); inpict = im2gray(inpict); % crop out the subimages A0 ...

7 giorni fa | 0

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AI Chat Playground generated an interactive plot with a slider and a bug

Try just updating the existing line object instead of creating new line objects. % Create the UI figure fig = uifigure('Name',...

7 giorni fa | 1

I want to change the backgroung color of image into transparent and then work with the pixels of it

I'm still confused as to what information is important, so I'm just going to throw out what I have in notes. This is in part ba...

7 giorni fa | 0

How can find connected region in RGB images?

This answer demonstrates how to generate a mask by box (range) or ellipsoid (distance) matching in RGB given a target color tupl...

7 giorni fa | 0

Undefined command/function 'reshape'.

Again, I have no idea what variations might exist between files. I also don't really know how far you want to go with changing ...

8 giorni fa | 0

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How Can I Clearly Identify Differences? and How to Save and Display Data in Full Decimal Format?

I'm going to assume that you're entering them into excel by trusting that format long will reveal the entire number. It won'...

11 giorni fa | 0

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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 ...

11 giorni fa | 0

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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...

11 giorni fa | 0

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...

12 giorni fa | 0

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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 =...

13 giorni fa | 0

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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...

13 giorni fa | 0

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...

15 giorni fa | 0

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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...

15 giorni fa | 1

How to draw an histogram?

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

15 giorni fa | 1

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...

15 giorni fa | 0

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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...

17 giorni fa | 1

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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...

17 giorni fa | 0

how can i change image brightness ?

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

18 giorni fa | 0

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...

18 giorni fa | 0

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...

19 giorni fa | 0

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...

20 giorni fa | 0

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 ...

21 giorni fa | 0

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...

21 giorni fa | 0

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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...

22 giorni fa | 1

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 ...

23 giorni fa | 0

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...

24 giorni fa | 0