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Rob Campbell


Last seen: 9 days ago Active since 2010

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Answered
How to convert a closed curve into a binary mask
I think you want the built-in function poly2mask

4 months ago | 0

Answered
Unrecognized function or variable
You need to install this: https://www.mathworks.com/matlabcentral/fileexchange/87959-computer-vision-toolbox-model-for-yolo-v3...

4 months ago | 1

Answered
how to save Struct to txt file
This might do what you want: https://github.com/ewiger/yamlmatlab It handles nested structures too. For example, if I define a ...

1 year ago | 0

Answered
How can I display multiline text in a push button by setting its 'String' property ?
You can have multi-line text in a button as follows: h_button.String='<html>line one<br />line 2 &pi</html>'; This is tested...

2 years ago | 4

Question


Correcting pincushion distortion along one axis
Hello, I have a microscopy optical system that produces pincushion distortion largely along one axis, with the other being ne...

3 years ago | 0 answers | 0

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answers

Question


Control running MATLAB application via a web page
I have a MATLAB program that runs for several hours controlling a piece of hardware and acquiring data. I monitor the output of ...

4 years ago | 0 answers | 0

0

answers

Answered
Difference between MATLAB tic-toc time and actual time measured with a stop watch
You could also try "profview" if you want to see what's taking the time in your function. You'll get loads of detailed informati...

4 years ago | 0

| accepted

Answered
How to find indices of similar values in a vector?
I'm unsure if you're looking for sequential numbers or not. The following just looks for repeats. Does it do what you want? ...

4 years ago | 1

| accepted

Answered
Problem with 'Patch' graphics in 2014b - Splits in two along diagonal
This issue has been present for a decade at least. Disappointing, it must be said.

4 years ago | 2

Question


Has anyone got an interface for Thorlab's Kinesis software?
Hello, Has anyone succeeded in interfacing with the ThorLabs Kinesis software for linear stage controllers? I have so far onl...

5 years ago | 0 answers | 0

0

answers

Answered
Why does Matlab set a custom LD_LIBRARY_PATH when execting "system" on Linux?
Does this help? http://uk.mathworks.com/help/matlab/matlab_external/building-and-running-engine-applications-on-unix-operating-s...

5 years ago | 0

Answered
How to put values in matrix based on some condition?
>> r=rand(5); >> r(2:end,1)=0 r = 0.0596 0.0967 0.6596 0.4538 0.1734 0 0.8181 0.518...

6 years ago | 0

| accepted

Answered
Why can i not plot this?
You can't plot anything because your code is full of mistakes. For starters, x and y are both just one number so you don't have ...

6 years ago | 1

Answered
When will Jacket be merged into Parallel Computing Toolbox?
It seems they're now at http://arrayfire.com/ and are open source.

6 years ago | 0

Answered
When will MATLAB 2014b release?
This release is unusually late. HG2 update is a big deal, I'd say... http://undocumentedmatlab.com/blog/hg2-update

7 years ago | 0

Answered
how to register CT brain image & MRI bain image of same patient?
This likely isn't trivial because the images will look quite different and may be of different resolutions, etc. I suspect you'l...

8 years ago | 1

Answered
How to using PCA or LDA to classify data (wine dataset)?
PCA is used for dimensionality reduction and to help you visualise higher dimensional data. On its own it is not a classificatio...

8 years ago | 0

| accepted

Answered
Overlapping points
It's not very clear what you're plotting so it's a little hard to answer your question. Maybe some of the following help. %N...

9 years ago | 0

Answered
Help needed in passing a function as a parameter in another function
"no I am in the directory where sample.m is and the functions that I need to pass are in the fcts folder in a directory inside t...

9 years ago | 0