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Jonas Reber


Last seen: oltre 3 anni fa |  Attivo dal 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...

oltre 3 anni fa

Domanda


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

oltre 12 anni fa | 3 risposte | 1

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

oltre 12 anni fa | 0

| accettato

Risposto
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.

oltre 12 anni fa | 0

| accettato

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

oltre 12 anni fa | 0

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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...

oltre 12 anni fa | 1

| accettato

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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: ...

oltre 12 anni fa | 0

Risposto
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...

oltre 12 anni fa | 0

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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...

oltre 12 anni fa | 1

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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...

oltre 12 anni fa | 0

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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...

oltre 12 anni fa | 0

Domanda


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...

oltre 12 anni fa | 1 risposta | 0

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Domanda


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

quasi 13 anni fa | 5 risposte | 1

5

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Risposto
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(:))?

quasi 13 anni fa | 0

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

quasi 13 anni fa | 1

Risposto
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

quasi 13 anni fa | 0

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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 ...

quasi 13 anni fa | 1

| accettato

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

quasi 13 anni fa | 0

Risposto
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...

quasi 13 anni fa | 0

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

quasi 13 anni fa | 0

Domanda


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...

quasi 13 anni fa | 1 risposta | 0

1

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Risposto
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 ...

quasi 13 anni fa | 1

| accettato

Risposto
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...

quasi 13 anni fa | 2

| accettato

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

quasi 13 anni fa | 1

| accettato

Risposto
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,...

quasi 13 anni fa | 5

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

quasi 13 anni fa | 0

Domanda


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...

quasi 13 anni fa | 1 risposta | 0

1

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

quasi 13 anni fa | 1

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

quasi 13 anni fa | 0

Inviato


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

quasi 13 anni fa | 5 download |

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