Answered
How to formulate the following vector?
Something like this should work: V = reshape([1:size(R,2); R(4,:)],1,[]);

4 månader ago | 0

Answered
Plot Boxes then Plot them in the original photo ?
The above comment should suffice if all you want is to plot with polyshape. If you actually want to modify the image without ch...

4 månader ago | 0

| accepted

Answered
I want to imread multiple selected files via uigetfile
This assumes that the images are all simple I/RGB images (not indexed images, no RGBA images or multiframe GIFs) [fname dirname...

4 månader ago | 0

Answered
MATLAB Answers Wish-list #5 (and bug reports)
Well, I skimmed a bunch of these threads (you might have noticed) and I didn't see anything about this sort of thing, so I'll ju...

5 månader ago | 1

Answered
how to split a string
To address the OP's particular request: linew = 4; teststr = '123456789'; excess = rem(numel(teststr),linew); output = res...

5 månader ago | 0

Answered
convert vector of character to number
Are the inputs always single characters? Are the inputs only A or B? Are the inputs always letters? Does case matter? Here's...

5 månader ago | 0

Answered
multi-dimensional array - summing the layers (combining)
To sum along a given dimension: dim3sum = sum(val,3);

5 månader ago | 1

| accepted

Answered
showing warning in command window
Yes, as I mentioned, you need to rename that file or move it somewhere off the search path so that MATLAB doesn't try to use it....

5 månader ago | 0

Answered
Please explain the following line
Without any context, all anyone can give is an answer without context. min(inp(:)) % this is the global minimum of inp max(in...

5 månader ago | 0

Answered
i have an error in imshow
You likely have a user-created file called image.m somewhere on the path. You can try to see what is on the path by doing whic...

5 månader ago | 0

Answered
Fading/shading an image
A 'multiply' blend is one of the simple and fundamental kinds of image blending. If you have appropriate images to begin with a...

5 månader ago | 0

Answered
delete an element from string
How do you intend to identify the thing you want to delete? Do you simply want to delete the second string in the array? str...

5 månader ago | 1

| accepted

Answered
help on graph (w/o common matrix plotting built-in functions)
In the spirit of ridiculousness, here is my attempt: % random binary data data = randi([0 1],10,10) data = 1 1 ...

5 månader ago | 0

Answered
how to convert rgb to hsi
MATLAB has no tools for HSI or HSL. There are tools on the File Exchange. The ones I use are here: https://www.mathworks.com/...

5 månader ago | 0

Answered
How to find mean Hue and mean Saturation of an HSI image not HSV image?
MATLAB has no tools for HSI or HSL. There are tools on the File Exchange. The ones I use are here: https://www.mathworks.com/...

5 månader ago | 0

Answered
Highlighting a Region of interest and getting the average Hue value ?
Taking the mean of hues is not as simple as described, and it's likely an unnecessary complication. H is a circular continuum. ...

5 månader ago | 0

Answered
row that increases more every element
Here's my guess: A = randi([10 20], 1,10) B = cumsum(A) % cumulative sum of A

5 månader ago | 0

Answered
extracting mean pixel value from an image
This might be a start, but bear in mind how fragile this will be if the colors change or the swatch becomes rotated or something...

5 månader ago | 2

| accepted

Answered
Masking multiple parts of image
As for creating a mask with multiple circular regions, you can use the ROI tools. You could do this interactively something l...

5 månader ago | 1

| accepted

Answered
How to change white on the outside to black?
Some of the objects are connected to the surrounding white blob. You'll need to deal with that. You might be able to do someth...

5 månader ago | 0

| accepted

Answered
Can I convert shades of red (Pink, Red, Maroon) in this RGB image to one single color, lets say blue?
Greetings from the distant future. Since the question leaves some details unknown and OP likely no longer needs the answer, I'm...

5 månader ago | 0

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 ...

5 månader ago | 1

| accepted

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; %...

5 månader ago | 1

| accepted

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...

5 månader 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))...

5 månader ago | 0

| accepted

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...

5 månader 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...

5 månader ago | 0

| accepted

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,...

5 månader ago | 1

| accepted

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...

5 månader 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...

5 månader ago | 0

Load more