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How to change background color with imrotate function?
Modifying or Replacing imrotate() I don't think reimplementing or modifying imrotate() is the easier solution, especially for a...

17 jours il y a | 1

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How to get the RGB values of each point on a surface when illuminated by 'light' objects?
In a sense, this is a non-serious answer, but perhaps consider this as tangential commentary. For what it's worth, this is what...

18 jours il y a | 0

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Median filter for rgb images
If you want something akin to medfilt2() that works with multichannel images, then you have a few options. % an RGB uint8 ima...

18 jours il y a | 0

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polarscatter point color stroke that changes according to the value of the point
What is the size of the value at the given points? If you have that, you can use that for mapping the color as described in the...

18 jours il y a | 0

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How to get the RGB values of each point on a surface when illuminated by 'light' objects?
I don't have exportgraphics(), and I can't seem to ever get predictably-clean (i.e. unpadded) results from saveas or print, so I...

18 jours il y a | 1

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Adaptive median filter
Synchronicity is strange. After seeing this one question a month ago, I kept seeing similar threads in the following days. The...

19 jours il y a | 0

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How to rotate the image without using the imrotate option...
If you don't have IPT, MIMT imrotateFB() will work, and the syntax is similar. It will run faster with IPT available, but will ...

19 jours il y a | 0

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How to obtain specific located objects in binary image ?
There are multiple ways this can be done, but bwselect() is a convenient way, especially when the desired output is the union of...

19 jours il y a | 0

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Using the find function to check if the numbers in an array are divisible by a given number
Using find() here is doesn't break anything, but it's not necessary except for one side benefit. Consider the examples: % inte...

20 jours il y a | 0

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Can I change certain colors within an image to another color?
The attached function is simple, but it works. It works by considering a specified RGB tuple and doing a range (box) selection ...

20 jours il y a | 0

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Change color from a circle form in an image
I'm just going to throw this out there as one idea. You could also pick colors in a region near the known center (if you can re...

21 jours il y a | 0

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colourizatin of black and white video
Since this is going nowhere fast, I'll just take it one step past nowhere to illustrate the point. Here is an example showing s...

21 jours il y a | 0

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Why is matlab reading some images in rotated by 90 degrees?
If you're loading photographs from a digital camera (which is what that looks like), this is a likely outcome. Imread() does no...

22 jours il y a | 0

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how can I remove the black mask from the image?
I'm sure there are multiple ways to approach this, but here's one. In this case, the rectangle is clearly darker than the rest ...

22 jours il y a | 0

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A program algorithm to change the values of brightness and contrast of an image, it must be simple
The normal answer will be to use imadjust(). IPT imadjust is a basic tool for adjusting input/output levels and gamma. (5 para...

23 jours il y a | 0

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Applying Mask (elliptical shape) on contourf plots.
One way would be to use ROI tools if you have those. % some arbitrary surface data [x y z] = peaks(100); % show the conto...

23 jours il y a | 0

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Dimensions of arrays being concatenated are not consisten on workspace
Here, you're concatenating the object areas to form a variable-length row vector. area = cat(2,s.Area); Here, you're trying to...

23 jours il y a | 0

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Changing colors in an image
OP's original image is long gone, but I can perhaps guess at its appearance. While I have my suspicions, let's start where this...

23 jours il y a | 0

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In app designer, cursor disappears and all keyboard input stops working after clicking on window on Linux. How can I fix?
This is a bug that's been around for a while and is probably here to stay. Unless you want to change your environment for the s...

23 jours il y a | 0

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is it possible to select the screenshots from word document and crop them and then resize them to full page?
Here. I'm sure there are better ways, but it seems to be simple enough that I can get away with directly editing the file. %...

24 jours il y a | 1

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Transpose does not support N-D arrays error
There are a couple problems. First, the error is because you're feeding a MxNx3 array to interp2(). You're also feeding an int...

24 jours il y a | 0

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Average function of squares
Here's one basic way: proms(5) proms(11) function mm = proms(nn) % MM = PROMS(NN) % calculate the mean square of the positi...

24 jours il y a | 0

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operation error (red,green,blue)
Your indexing is going to cause problems. Setting channel 2 of an RGB image to 0 won't generally turn it red. I'm assuming tha...

25 jours il y a | 0

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Is it possible that Legend location option "best" chooses only between two specified locations?
If nothing else, you could try to find the best of those two locations. Depending on what's in the plot, this may be more cumbe...

26 jours il y a | 1

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use array vector to form a diagonal matrix
It seems to me like maybe you're talking about what blkdiag() does. A = [1 2; 3 4]; B = A*11; C = A*111; D = blkdiag(A,B...

26 jours il y a | 2

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Remanding integer from exponential distribution with mean
If I recall, there are other ways to do this. https://www.mathworks.com/matlabcentral/answers/327656-conditional-random-numbe...

26 jours il y a | 1

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Store cropped images in for loop
Keep track of array class and data scale when working with images. You likely have integer-class data, but you're storing it in...

28 jours il y a | 0

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How to construct a vector cell array from two cells with different dimensions
Perhaps something like this? allstationID = [vertcat(Station_ID_1{:}); Station_ID_2]

28 jours il y a | 0

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Expanation for function length (x)-1
That's not a function, and it's not valid MATLAB syntax either. It's hard to say what it means, because I have to assume that i...

28 jours il y a | 1

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