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Jonas Reber


Last seen: 5 mois il y a |  Actif depuis 2011

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

presque 4 ans il y a

Question


Matlab exponent bug?
Hello MatLabers I have encountered a problem when calculating a non integer exponent/power of a variable. example: ...

presque 13 ans il y a | 3 réponses | 1

3

réponses

Réponse apportée
eigen faces
Eigenfaces are eigenvectors. When performing principal component analysis (PCA) on a set of images showing human faces, the pri...

environ 13 ans il y a | 0

| A accepté

Réponse apportée
when using copyobj() with a contour, changing properties of the copy has no effect
mathworks technical support confirmed that this is a misbehaviour and that it will be resolved in a future version.

environ 13 ans il y a | 0

| A accepté

Réponse apportée
Calling another program
you might be looking for system('command') [status, result] = system('command') [status,result] = system('command','-...

environ 13 ans il y a | 0

Réponse apportée
Assigning data to variable names in a vector during a for loop.
yes this is possible. you could use the command "eval" that comes with matlab. have a look at the documentation. for your c...

environ 13 ans il y a | 1

| A accepté

Réponse apportée
how to use fread function?
have a look at the documentation of fread: http://www.mathworks.ch/help/techdoc/ref/fread.html you might be looking for: ...

environ 13 ans il y a | 0

Réponse apportée
How to save an image displayed ?
have a look at the solution I provided in your second question. it should answer both: http://www.mathworks.com/matlabcentral/a...

environ 13 ans il y a | 0

Réponse apportée
How to recostruct ROI on an image and diaplay it?
after having read your first question ( <http://www.mathworks.com/matlabcentral/answers/18789-how-to-save-an-image-displayed>) I...

environ 13 ans il y a | 1

Réponse apportée
Update to R2011b breaks call to addlistener
does the event exist on the "figureHandle"? get(get(classhandle(handle(figureHandle)),'Events'),'Name') what if you tr...

environ 13 ans il y a | 0

Réponse apportée
size of image
how did you store your images? is it a 2d matrix? did you store it like: (N images of size 3 by 4) 1 1 1 1 1 1 1 1 1 1 1 1...

environ 13 ans il y a | 0

Question


when using copyobj() with a contour, changing properties of the copy has no effect
Hello MatLabers I'm using a contour plot on several axes. Since I have quite an amount of points, the calculation of the cont...

environ 13 ans il y a | 1 réponse | 0

1

réponse

Question


Multiple Callback Functions
Hello MatLabers I'm trying to have multiple callback functions executed on a uicontrol callback function. Usually I go so...

plus de 13 ans il y a | 5 réponses | 1

5

réponses

Réponse apportée
Competing algorithms for SNR of a image. Which is better?
I would go for method 2 (3 is the same?) but wouln't one calculate SNR = mean2(im)/std(im(:))?

plus de 13 ans il y a | 0

Réponse apportée
2D projection in a 3D plot
something similar has just recently been asked: http://www.mathworks.com/matlabcentral/answers/8752-get-projection-image-witho...

plus de 13 ans il y a | 1

Réponse apportée
manipulate pixels in an image
if you don't have it you could take a look at e.g. http://www.mathworks.com/matlabcentral/fileexchange/4658-updownsample

plus de 13 ans il y a | 0

Réponse apportée
Data sets from image
does it help if I provide you the following code as an example...? %% Two Dimensional DFT Example % 1.Load the sample ...

plus de 13 ans il y a | 1

| A accepté

Réponse apportée
RGB to HSV image
does the rgb2hsv function not work? I do it that way..., hsvimg = rgb2hsv(rgbimg); ... do something ... (like saturat...

plus de 13 ans il y a | 0

Réponse apportée
Image Processing: Remove double edges
you could take another derivative (2nd) and only keep the positive values 1 0 1 => 0 -1 1 (depenting on the direction you are...

plus de 13 ans il y a | 0

Réponse apportée
subscript mismatch
maybe this one answers your question: http://www.mathworks.com/support/tech-notes/1200/1207.html#5 you try to assign/access...

plus de 13 ans il y a | 0

Question


iptPointerManager significantly slows program down
Hello MatLabers As recently I was looking for a method to have a mouse over (mouse hover) effect on my graphics objects (drag...

plus de 13 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Code's improvement (plots animation)
the problem is that getframe as used by you gets the current figure as it is. If you maximize the window and "record" the movie ...

plus de 13 ans il y a | 1

| A accepté

Réponse apportée
get projection image without rendering to screen
you could calculate the perspective projection of your model yourself as you have all the information on camera position, look a...

plus de 13 ans il y a | 2

| A accepté

Réponse apportée
Trouble with ButtonDownFcn and Hittest in GUIDE
this looks reasonable to me. have you tried ThePlot = plot(xvalues, yvalues, 'Parent', handles.TheAxes, 'Tag', 'ThePlotTag'...

plus de 13 ans il y a | 1

| A accepté

Réponse apportée
I can not use libsvm!!!
I used libsvm myself in matlab. * download it from ( <http://www.csie.ntu.edu.tw/~cjlin/libsvm/#download>) * add the svmtrain,...

plus de 13 ans il y a | 5

Réponse apportée
Creating an inline-function in dependence of a parameter
maybe str2func is what you are looking for?

plus de 13 ans il y a | 0

Question


Contextmenu Callback to set class variable
Hello MatLabers I am looking for a better/smoother way to implement the setting of a class variable in a callback. I'm sure t...

plus de 13 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Seeded Region Growing Method
what about the FE submission: http://www.mathworks.com/matlabcentral/fileexchange/19084 ?

plus de 13 ans il y a | 1

Réponse apportée
detecting circular Objects
have you had a look at: http://www.mathworks.com/matlabcentral/fileexchange/9833-hough-transform-for-circle-detection

plus de 13 ans il y a | 0

A soumis


Multi ROI/Mask Editor Class
This Class allows you to easily define multiple regions of interest (binary masks) with a nice UI.

plus de 13 ans il y a | 11 téléchargements |

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