Answered
Invert even and odd columns in an image
Depends what you need. "Inverting even and odd column positions" might be interpreted a few different ways. By simply doing a ...

ungefär en månad ago | 1

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Answered
Apply Average Filter on Image with just next-before 5 columns
Consider the example: % a simple test image with a single white pixel in the center inpict = zeros(13); inpict(7,7) = 1; %...

ungefär en månad ago | 1

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Answered
How to remove the white background blobs touching the border of the image?
I don't know why you have a big white border on your image, or why your binarized image is uint8 RGB -- or why the apparent pixe...

ungefär en månad ago | 0

Answered
App Designer change colormap
I'm going to guess it's complaining about the missing handle on the gray2 line. If so, then do this: gray2 = flipud(gray(256))...

ungefär en månad ago | 0

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Answered
Editing Legend Items for hatchfill2
There are a couple examples in the answers here: https://www.mathworks.com/matlabcentral/answers/478956-getting-hatchfill-to-pr...

ungefär en månad ago | 0

Answered
legend line colors don't change
You need to give the line object handles to legend() to be sure it's picking the right objects. % THE APPLICATION: THIS IS NO...

ungefär en månad ago | 0

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Answered
Using imread and plot grayscale image
Tools like imshow(), image(), imagesc() will display single-channel (grayscale) images with the current colormap. In your case,...

ungefär en månad ago | 1

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Answered
what percentage of reduction in image size resulting from switching from the YCvCr colour space to RGB ?
If we're talking about "size" as in geometry (i.e. number of pixel elements), then if the YCbCr is not downsampled, then the ima...

ungefär en månad ago | 1

Answered
How do I remove the spaces between concatenated images. they are too wide but i want the image to appear as 1 after concatenation
Depending on what your needs are, you can use montage(), imtile(), or something else. Instead of trying to display images one a...

ungefär en månad ago | 0

Answered
How can I represent points and lines in 3 dimensions?
Either move the hold on statement after the first call to plot3(), or issue a view(3) command after plotting. Creating a pi...

ungefär en månad ago | 1

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Answered
How to scan matrix in spiral way?
There is a demo function that can generate NxN arrays in an outward spiral. That could be used (with some arithmetic and flips/...

ungefär en månad ago | 0

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Answered
can someone help me with dithering ? I'm trying to do random dithering, I want to do halftone and pattern too, but I'm stuck at random
I don't know what your setPixel() and getPixel() functions are, or why you're incrementing a counter variable that's apparently ...

ungefär en månad ago | 1

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Answered
hi ,I processed images on a folder. Now I want to save all the processed photos in the folder, but only the last photo is saved, what should I do?
Considering that there's missing code and open scopes, we're left to guess whether anything is inside of a loop or not. Either ...

ungefär en månad ago | 1

Answered
How can I overlap two images/pictures in Matlab?
There's an awful lot of traffic on this question. I don't know that passers-by actually have the same intent, but let's assume ...

ungefär en månad ago | 0

Answered
How to crop image by specific size and location ?
The rect parameter given to imcrop is [xoffset yoffset xwidth ywidth] I = imread('https://www.mathworks.com/matlabcentral/answe...

ungefär 2 månader ago | 0

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Answered
Hi, can i know how to find the orientation of an object?
Well, here's this. It's not robust, but then again, the test image isn't a real process image either, so I'm going to consider ...

ungefär 2 månader ago | 0

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Answered
How to make subplot size bigger?
Disregarding subplot arrangement, the edges are obscuring the faces due to the mesh resolution. figure colormap(parula(256))...

ungefär 2 månader ago | 0

Answered
Combine masked images into one, with each mask having a unique color.
If those would work for you, then you might also consider something like these: % do a simple mean of colored frames % a set...

ungefär 2 månader ago | 0

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Answered
removing some data in a 4d plot
You have to apply the same operation to all of the vectors. load 4dplot.txt x = X4dplot(:,1); ...

ungefär 2 månader ago | 0

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Answered
Create Size 256 × 150 image that have 256 colors on it starting 0 till 255 (the first row is black, the last row is white, and in between all the gray shades).
Something like this: A = uint8(repmat((0:255).',[1 150])); imshow(A)

ungefär 2 månader ago | 0

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Answered
How to count the number of pixels in each section of an image set?
Depending on what your images are like and what you need, this may be a start. You can calculate the number of true (nonzero) p...

ungefär 2 månader ago | 0

Answered
Mirror about Y axis
Something like this: a = [1 2 3 4 5 6 7 8 9 10 11 12 13 14]; b = [1 2 3 4 5 6 7 8 9 10 11 12 13 14]; plot(a,b); hax = gc...

ungefär 2 månader ago | 0

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Answered
How does imresize() calculate the weights and indices for interpolation?
If I recall, this is essentially a windowed operation on a vector at this point, and you're finding the indices associated with ...

ungefär 2 månader ago | 0

Answered
How can the image Processing of .tif file of size 763x1023x4 be done?
Imshow() can only represent 1-channel (grayscale) images or 3-channel images (represented as RGB). So whatever you do to disp...

ungefär 2 månader ago | 1

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Answered
How to change text in plot follow colormap?
Consider the crude example: % you have some plots already plot(-0.5:4.5,0.5:5.5) cmap = winter(5); % use the colormap for ...

ungefär 2 månader ago | 0

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Answered
How to find cumulative sum from from-to matrix?
From the other comment: A = [0 10 20 30; 40 0 50 60; 70 80 0 90; 100 110 120 0]; B = [1 2 3 4;2 4 3 1]; % x (1,2) (2,3) ...

ungefär 2 månader ago | 0

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Answered
please help me !!!
As mentioned in the comment you left, t is not a nonzero integer, so you can't use it as an index on the LHS of the assignment...

ungefär 2 månader ago | 0

Answered
dominant color for an RGB image
For sake of alternatives, MIMT imstats() has a few options that might be of use here. While imstats can obviously calculate t...

ungefär 2 månader ago | 0

Answered
How to draw a L*a*b* colour space or HSV colour space (2D)?
One thing that should be pointed out is that when plotting these things in a rectangular image, some consideration should be giv...

ungefär 2 månader ago | 0

Answered
How to find cumulative sum in matrix?
Here is one way: A = [10 20 30; 40 50 60; 70 80 90]; B = [1 2 3; 2 3 1; 3 2 1]; nrows = size(A,1); C = cumsum(A((1:nrows)....

ungefär 2 månader ago | 0

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