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Stephen


University of Florida

Last seen: 8 months ago |  Active since 2012

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Answered
Steepness of a Histogram
if he had an exponential distribution vs. a normal, there's different 'steepness' in each one depending on what you examine, but...

12 years ago | 0

Answered
Plotting data labels with the mapping toolbox
could you just refresh the original background image and only plot the updated city info? Completely erase the pre-existing map,...

12 years ago | 0

Answered
Want to create a 3d graph of chi^2 for a 2d data set /w 3 parameters
it looks like X and Y are not a single value, but the result of meshgrid, and when you perform the .* operations with the 1001 e...

12 years ago | 0

Answered
Creating an infinite loop until an event occurs?
go = true; while go step1 step2 step3 if step3==stopcriteria go=false end ...

12 years ago | 1

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Answered
image deblurring or noise removal
try doing the same process to a matrix of ones and using ./ to get rid of the vignetting effect. Probably, whatever you're doing...

12 years ago | 0

Answered
Making multiple matrices at once?
make a structured variable for t=1:n^2 V(t).matrix=zeros(n); end Call them by V(t).matrix and get spec...

12 years ago | 0

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Answered
plots - graphics quality poor
save them as jpegs or something... you can make lines thicker with the set() command and change the default font and stuff. b...

12 years ago | 0

Question


soundsc
So, I noticed that you can't cntr + c out of the sound playback from soundsc. Is there a way to kill the horrible noises I'm mak...

12 years ago | 1 answer | 0

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answer

Answered
Dynamic color for a plot
if you want to change a bunch of stuff with plot, you could do it like this: mark=['^';'s','o','.','x'] for t=1:5 h...

12 years ago | 0

Answered
Unknown Error
if the function usually outputs 1 thing and you ask for more, it will give you that error. for example, function ans = myfu...

12 years ago | 0

Answered
gaussian and rayleigh distribution MRI Late Enhancement
[c1, c2] = hist(I(:), 50); f=fit(c2', c1', 'gauss1'); or for the rayleigh, you'd have to specify it in fittype where 'g...

12 years ago | 0

Answered
Video capture
that's not really a matlab question, but why can't you just save video to your camera's storage device and import it later throu...

12 years ago | 0

Answered
bwlabel changing connectivity of image
I agree with Image Analyst. Is your image a jpg or has it been compressed? If so, there are little ghosts that lurk as low inten...

12 years ago | 1

Answered
storing data from function
So, you have: function something [sound, freq] = wavread(file); end ? If so, you need to output those valu...

12 years ago | 0

Question


just a question
let's say i have the image: img = [1 0 -1; 0 -1 0; 1 1 -1]; and I'd like to get the values on the 8-connected...

12 years ago | 1 answer | 0

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answer

Answered
Detect a human figure in a live video
if the camera is static, take a blank image and subtract it from the live feed to get a rough idea of what pixel values have cha...

12 years ago | 2

Answered
composite function
plot(C,A) you can plot anything against anything else. If A and C correspond to the same values of B then the above code sh...

12 years ago | 0

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Answered
colorbar: cdata and colors
imagesc automatically scales your image to 'fit' to the colorbar. It can be a huge pain sometimes. If you can get away with it, ...

12 years ago | 0

Answered
manual segmentation of image
imfreehand methods imfreehand

12 years ago | 0

Answered
how to select certain shape from different images?
haha, Walter :) You can use the rucklidge algorithm. It relies on the haussdorf distance of a set of points, say the 10 point...

12 years ago | 0

Answered
Re-Asking a Question: Creating a Connection Matrix from an indexed point set
after looking at it for a while I think I understand. let me use N=3 to try and restate what you've asked... from points, ...

12 years ago | 0

Answered
How to save/access an axes's properties using the handles structure?
I used to know how to answer this better, and maybe a bit of reading will answer based on my advice. In each function of the GUI...

12 years ago | 0

Answered
determine the angle of image
show the image somehow and use: pos = ginput(3); it will give you the option to chose three points on your image. click ...

12 years ago | 0

Answered
converting a image
im2col(a,[64 64],'distinct') will give you your blocks as columns that you just need to reshape into squares again. I can't h...

12 years ago | 0

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Answered
Why should I stay?
you don't have to do anything, especially in reaction to what you see as another person's or group's shortcomings. Weight the pe...

12 years ago | 0

Answered
fftshift in frequency filtering
I would imagine that you could directly apply low pass, but I don't really know. This is an interesting question. What happened ...

12 years ago | 0

Answered
How to save/access an axes's properties using the handles structure?
I made a script which uses set(gca,'property','value','property2','value2') and changes the default plot to look nicer. ...

12 years ago | 0

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Answered
Superpose images at the same place of contours of regions
take the left image and do bw = bwlabel(left); then you can just take a look at the right image by segment, i.e. i...

12 years ago | 0

Answered
Managing multiple figures in a GUI
just don't make the large on active and change stuff on it using its handle and set()

12 years ago | 0

Answered
Several Line Appearing as on check in plot browser
mmm if you have a list of the points try making a single vector separated by Nan, which won't plot. x=[p1;p2;NaN;p3;p4...

12 years ago | 0

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