Answered
While doing image analysis, how can I auto detect which rows of pixels to analyze?
There's probably a bunch of different ways to approach this. If we can assume that the objects in the image are roughly grid-al...
While doing image analysis, how can I auto detect which rows of pixels to analyze?
There's probably a bunch of different ways to approach this. If we can assume that the objects in the image are roughly grid-al...
3 years ago | 0
| accepted
Answered
How to place pregenerated image (double) on top of an opened image with transparency?
If you're generating a ruler image each time and don't need to save a copy, then just don't save a copy. folderName2save=''; ...
How to place pregenerated image (double) on top of an opened image with transparency?
If you're generating a ruler image each time and don't need to save a copy, then just don't save a copy. folderName2save=''; ...
3 years ago | 0
Answered
How to create a random and smooth varying rpm profile?
Filter the rpm signal. Depending on what toolboxes you have, there are a lot of tools you could use. I'm just going to use a v...
How to create a random and smooth varying rpm profile?
Filter the rpm signal. Depending on what toolboxes you have, there are a lot of tools you could use. I'm just going to use a v...
3 years ago | 0
| accepted
Answered
How to save data as binary Image in MATLAB
There's nothing to save but a black image, since the binarized image is always empty. I'm not sure what you're trying to do wit...
How to save data as binary Image in MATLAB
There's nothing to save but a black image, since the binarized image is always empty. I'm not sure what you're trying to do wit...
3 years ago | 0
| accepted
Answered
error in imshow and alpha
I'm going to go out on a limb here and suggest that you likely have another function file called alpha.m somewhere on the path. ...
error in imshow and alpha
I'm going to go out on a limb here and suggest that you likely have another function file called alpha.m somewhere on the path. ...
3 years ago | 1
| accepted
Answered
How to recognize 6 colors of a face rubik's cube at the same time?
Let's start with an example that doesn't solve the problem. Herein, I extract the mean color in each block. Much of this examp...
How to recognize 6 colors of a face rubik's cube at the same time?
Let's start with an example that doesn't solve the problem. Herein, I extract the mean color in each block. Much of this examp...
3 years ago | 0
Answered
Matrix dimensions must agree
I'm going to guess that this is what was intended wn = 196570; r = 6351.43; chi = 0:0.1:2; phim = 1; ke = 1.134; w = 1./(w...
Matrix dimensions must agree
I'm going to guess that this is what was intended wn = 196570; r = 6351.43; chi = 0:0.1:2; phim = 1; ke = 1.134; w = 1./(w...
3 years ago | 0
Answered
How to determine the area of individual white picture elements?
You can use regionprops to find the areas of all objects in a binary image. The result is an area measured in pixels. To conve...
How to determine the area of individual white picture elements?
You can use regionprops to find the areas of all objects in a binary image. The result is an area measured in pixels. To conve...
3 years ago | 0
Answered
Drawing Multiple surf Plots with Different Color Map and Different Transparencies
Well, my network connection is super terrible, so I'm not going to be trying to download a bunch of stuff. As given, the probl...
Drawing Multiple surf Plots with Different Color Map and Different Transparencies
Well, my network connection is super terrible, so I'm not going to be trying to download a bunch of stuff. As given, the probl...
3 years ago | 1
| accepted
Answered
how to create gray scale gradient image?
Observe that the image profile is not piecewise-linear, but rather it's a cosine function. % observe that the profile is not PW...
how to create gray scale gradient image?
Observe that the image profile is not piecewise-linear, but rather it's a cosine function. % observe that the profile is not PW...
3 years ago | 0
Answered
SAVE A 4D DATA WITH THE BLOCKS STACKED SIDE BY SIDE
Alternatively, you could use IPT imtile(). A = rand(32,32,2,663); % initial 2-channel multiframe image B = imtile(A(:,:,1,:)...
SAVE A 4D DATA WITH THE BLOCKS STACKED SIDE BY SIDE
Alternatively, you could use IPT imtile(). A = rand(32,32,2,663); % initial 2-channel multiframe image B = imtile(A(:,:,1,:)...
3 years ago | 0
| accepted
Answered
MSE and RMSE of vector and Matrix
You're not taking the mean of the row vectors, so the RHS of the assignment is still a vector. Try this: u = [-30 0 41.721]; ...
MSE and RMSE of vector and Matrix
You're not taking the mean of the row vectors, so the RHS of the assignment is still a vector. Try this: u = [-30 0 41.721]; ...
3 years ago | 0
| accepted
Answered
I want to make transparent the middle section of contour plzzzz help
The example in this answer is similar. Therein, the lowest contour level is made transparent. If you dont want the other level...
I want to make transparent the middle section of contour plzzzz help
The example in this answer is similar. Therein, the lowest contour level is made transparent. If you dont want the other level...
3 years ago | 1
| accepted
Answered
How to add a glare effect to a given photo
There seem to be a number of papers, including the one you mention that propose methods for calculating/simulating disability gl...
How to add a glare effect to a given photo
There seem to be a number of papers, including the one you mention that propose methods for calculating/simulating disability gl...
3 years ago | 0
Answered
use imcrop and specify width and height but not starting location?
This is an attempt to constrain the size of the ROI object during user interaction. % say you have an image inpict = imread(...
use imcrop and specify width and height but not starting location?
This is an attempt to constrain the size of the ROI object during user interaction. % say you have an image inpict = imread(...
3 years ago | 0
| accepted
Answered
Can someone with a free account (without MATLAB license) solve Cody problems and get badges?
I know dpb already mentioned it, but it's easy enough to test if you have such an account. I just solved the introductory Cod...
Can someone with a free account (without MATLAB license) solve Cody problems and get badges?
I know dpb already mentioned it, but it's easy enough to test if you have such an account. I just solved the introductory Cod...
3 years ago | 0
| accepted
Solved
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
3 years ago
Answered
I have an image that is 234x432x4 size wise. I tried imshow() and image(), but it doesn't work. What do I use?
If the image is CMYK, hyperspectral, or simply a volumetric image, then this answer really doesn't apply. Admittedly, it's more...
I have an image that is 234x432x4 size wise. I tried imshow() and image(), but it doesn't work. What do I use?
If the image is CMYK, hyperspectral, or simply a volumetric image, then this answer really doesn't apply. Admittedly, it's more...
3 years ago | 0
Answered
How to use imtile, montage or any other methods to concatenate images without affecting the resolution?
If you're using IPT imtile() or montage(), you can maintain the geometry of each sub-image by making sure the 'thumbnailsize' op...
How to use imtile, montage or any other methods to concatenate images without affecting the resolution?
If you're using IPT imtile() or montage(), you can maintain the geometry of each sub-image by making sure the 'thumbnailsize' op...
3 years ago | 0
| accepted
Submitted
Simple DTMF Encoder & Decoder
Simple tools for demonstrating encoding and decoding a sequence of DTMF tones.
3 years ago | 2 downloads |
Question
Change FEX submission to use offsite hosting
When creating a new submission on the File Exchange, you have the choice of: uploading to TMW's servers linking to GitHub lin...
3 years ago | 0 answers | 0
0
answersAnswered
Change specific color in an image to another one
Consider the following example using the OP's original image and task. % Load image [idxpict,ct] = imread('iteration31.png')...
Change specific color in an image to another one
Consider the following example using the OP's original image and task. % Load image [idxpict,ct] = imread('iteration31.png')...
3 years ago | 0
Answered
How do I get coordinate from 2D image ?
What's wrong with just finding the maxima of the inputs themselves? % you have z as a function of x and y [x y z] = peaks(100)...
How do I get coordinate from 2D image ?
What's wrong with just finding the maxima of the inputs themselves? % you have z as a function of x and y [x y z] = peaks(100)...
3 years ago | 0
| accepted
Answered
Setting overlap colours in plot with transparent layers
When using alpha properties to visualize the intersection of graphics objects, there isn't really a way to make the intersection...
Setting overlap colours in plot with transparent layers
When using alpha properties to visualize the intersection of graphics objects, there isn't really a way to make the intersection...
4 years ago | 0
| accepted
Answered
How can I use view a montage using Image Viewer App through imtool()?
You should be able to use imtile() instead of montage() with the same syntax in this particular case. The output of montage() i...
How can I use view a montage using Image Viewer App through imtool()?
You should be able to use imtile() instead of montage() with the same syntax in this particular case. The output of montage() i...
4 years ago | 0
| accepted
Answered
How to modified maximum pixel value in logical array
I'm going to post this as a tentative answer. I doubt my interpretation of your intent is wholly correct, but it's probably cor...
How to modified maximum pixel value in logical array
I'm going to post this as a tentative answer. I doubt my interpretation of your intent is wholly correct, but it's probably cor...
4 years ago | 0
Answered
Convert RAW File (images) to PNG
A .raw file can be a number of different things. I'm not familiar with .mhd files, so I can't comment on that. It's not clear...
Convert RAW File (images) to PNG
A .raw file can be a number of different things. I'm not familiar with .mhd files, so I can't comment on that. It's not clear...
4 years ago | 0
Answered
problems with creating a multiplication table
R and C have no ':' in them. R and C are row vectors, because that's what 3:10 and 2:3:33 are. It's unclear what the behavior ...
problems with creating a multiplication table
R and C have no ':' in them. R and C are row vectors, because that's what 3:10 and 2:3:33 are. It's unclear what the behavior ...
4 years ago | 0
| accepted
Answered
Hatchfill function not working
Both hatchfill() and applyhatch_pluscolor have been unmaintained for a decade now and predate the current graphics system. If y...
Hatchfill function not working
Both hatchfill() and applyhatch_pluscolor have been unmaintained for a decade now and predate the current graphics system. If y...
4 years ago | 0
Answered
I used applyhatch_pluscolor to fill the bar chart, but the legend and coordinates text are blurred,
That FEX submission hasn't been maintained in over a decade and predates the current graphics system. It doesn't work unless yo...
I used applyhatch_pluscolor to fill the bar chart, but the legend and coordinates text are blurred,
That FEX submission hasn't been maintained in over a decade and predates the current graphics system. It doesn't work unless yo...
4 years ago | 0
| accepted