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Stefan Karlsson


Halmstad University

Last seen: 9 maanden ago Active since 2012

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

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Answered
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...

meer dan 4 jaar 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...

meer dan 5 jaar 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 ...

meer dan 5 jaar 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...

meer dan 5 jaar 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...

meer dan 5 jaar 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...

meer dan 5 jaar 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...

ongeveer 6 jaar 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...

ongeveer 6 jaar 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 ...

ongeveer 6 jaar 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...

meer dan 6 jaar ago | 0

Answered
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...

ongeveer 7 jaar 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", "...

meer dan 8 jaar ago | 2 answers | 1

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...

meer dan 8 jaar 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...

bijna 9 jaar ago | 0