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Stefan Karlsson


Halmstad University

Last seen: 11 months ago |  Active since 2012

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Post doc in Image analysis/computer vision/biometrics Professional Interests: signal processing, biometrics, image analysis, computer vision

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Answered
[DEPRECATED] What frustrates you about MATLAB?
I miss the ability to define your own workspace. When doing event driven programming in Matlab, there are 3 ways to share your o...

8 years ago | 0

Answered
Global workspace usage for efficiency?
Walters good points above are not an answer to my question. Let me try to give my point of view on this, and then anyone can fee...

9 years ago | 0

Question


Global workspace usage for efficiency?
*Are there cases when using global variables is the most efficient implementation?* I hate using the global workspace, but I ...

9 years ago | 2 answers | 0

2

answers

Answered
Can I use PCA effectively on a greyscale image?
... I guess one can also give another piece of advice to anyone who stumbles onto this looking for info on PCA. Read the posts b...

9 years ago | 0

Answered
Can I use PCA effectively on a greyscale image?
I think the answer by Walter, while technically correct, confounds a VERY simple topic. Being technically correct here amounts t...

9 years ago | 0

Answered
Scale a mask in an image
use imresize. If you use it with interpolation 'nearest', you have your functionality in a single line. If you use another inter...

9 years ago | 1

Answered
timer and Interruptible=Off button callback priority/preemption?
Sometimes I get into the problem that I am in a function that is not interuptible. An ugly work-around that seems to work (o...

9 years ago | 0

Answered
Save data X over Y
Poorly asked question. Do you get 2 new X and Y matrices by regular intervals, or is time-dependency something represented by t...

9 years ago | 0

Answered
Which way is correct of defining function...I am getting two differnt surfaces if I specify same equation differently...?
There are 2 interpretations of your shared code (i.e. two ways i see that you would be able to run it without error). 1. you ...

9 years ago | 0

| accepted

Answered
GUI figure focus
Seems this is still an issue, here is my solution quick fix: %takes any active uiobject as input, and returns keyboard fo...

10 years ago | 0

Answered
[DEPRECATED] What frustrates you about MATLAB?
topping the wish-list: 1. A "beep off" that actually works, stops Matlab completely from making the OS beep sound. 2. A sh...

10 years ago | 0

Question


The error beep: Why is Mathworks ignoring an obvious, easily fixed issue
The issue is easily found by pushing the down key when in the matlab main command window. This is not fixed by "beep off", "...

11 years ago | 2 answers | 2

2

answers

Answered
if i have no information of original image
You need to make assumptions about both your noise and your underlying signal or you cannot hope for anything from just an image...

12 years ago | 0

Answered
Large 400fps .avi files won't read using VideoReader
From your question it is not clear whether the problem is due to lack of memory access or because videoReader has problems openi...

12 years ago | 0