Kevin Claytor

Con actividad desde 2012

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Professional Interests: Imaging, image processing, physics, nmr, spectroscopy

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Simple Anaglyph
Simple anaglyph plotting

alrededor de 7 años hace | 2 descargas |

Respondida
best way to dynamically update a line handles' XData and YData?
Using the HG2 dot notation may speed things up enough for you (see <http://undocumentedmatlab.com/blog/performance-accessing-han...

casi 8 años hace | 1

Respondida
tabulate() is not working properly
It sounds like you don't have the tabulate function. This is included with the stats + machine learining toolbox. Can you paste ...

alrededor de 8 años hace | 0

Respondida
Index of element to remove exceeds matrix dimensions.
Because you're removing elements as you go, your array gets shorter, and your fixed index (1:7) can go out of bounds. This is...

alrededor de 8 años hace | 0

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Respondida
How can I say if (A & B) or C in Matlab?
| operates elementwise on arrays. You might want to check the size of A, B, and C. _If_ then operates on the array (See @Stephen...

alrededor de 8 años hace | 0

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Respondida
How can I get the XMinorTick as a numerical value?
with ax = your axes object ax.XAxis.MinorTickValues

alrededor de 8 años hace | 0

Respondida
Displaying MATLAB output in linux terminal
Pardon my *nix ignorance, but doesn't the & command spin off the process in a new terminal? If so it's probably dumping the mess...

alrededor de 8 años hace | 0

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Respondida
Trying to get matlab to edge detect in shadow area
Have you taken a look at the <http://www.mathworks.com/help/images/examples/correcting-nonuniform-illumination.html non-uniform ...

alrededor de 8 años hace | 0

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User selects image in gui and selected image goes into axes??
The variable 'i' in your code is the filepath to the image, not the image itself, you still have to load the image: i = uig...

alrededor de 8 años hace | 0

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Respondida
finding a changing dominant tone in a signal
Have you tried: Raw data -> BP filter -> Spectrogram -> peak finding You seem to have the parts for it, and I would expect...

alrededor de 8 años hace | 1

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how to calculate the intersection area of two ellipses
Here is an <http://arxiv.org/abs/1106.3787 arxiv paper> on ellipse intersection algorithms.

alrededor de 8 años hace | 0

Respondida
Algo for finding nearest coordinates of arbitrary point along complex 3D line?
Find the minimum squared distance between the point and the line: pointX = point(1); pointY = point(2); pointZ = poin...

alrededor de 8 años hace | 1

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Reading in ascii files with white space as delimiter.
Import data seems to work pretty well (but doesn't directly get you the headers): importdata('radiosonde.ascii', ' ', 3) ...

más de 8 años hace | 0

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Problem trying to install raspberry support package
Looks like there's an <http://www.mathworks.com/matlabcentral/answers/182841-cannot-download-http-www-mathworks-com-supportpacka...

alrededor de 9 años hace | 0

Respondida
Can I build an OCR engine from scratch using matlab?
There's no reason why you can't - just use Arabic characters as a training set for an existing OCR setup. I think the better ...

alrededor de 9 años hace | 0

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Bining some data in 50 classes without knowing the limits
Sounds like you're trying to make a <http://www.mathworks.com/help/matlab/ref/histogram.html histogram> (hist in revisions prior...

más de 9 años hace | 0

Respondida
how to get back the rgb image from r g b component ?
Exactly the opposite of how you pulled out the data; im = imread(...); red = im(:,:,1); grn = im(:,:,2); blu = im(:,:,3)...

más de 9 años hace | 0

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How to use accumarray?
You could use a <http://www.mathworks.com/help/matlab/matlab_prog/access-data-in-a-table.html Table> structure. First, I'd conve...

más de 9 años hace | 0

Respondida
Error with matrix dimensions
Let's take a look at the definition of; diffHist= zeros(numFrames,1); This is a [numFrames x 1] size array. Into this yo...

más de 9 años hace | 0

Respondida
substituting value in matrix does not work for some reason
Logical indexing makes this much easier; B(A==NaN) = NaN;

más de 9 años hace | 0

Respondida
Create a Table with column vectors
The table data type is R2013b and above. If you upgrade, you can do something like: volts = [1:100]'; current = sin(linspa...

más de 9 años hace | 1

Pregunta

Error using gop -> Error detected on worker N -> Error during serialization
I'm receiving an error running distributed code on a cluster; Error using gop (line 75) Error detected on worker 5. Error...

más de 9 años hace | 0 respuestas | 0

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how do I insert a string var in title command using LaTeX/TeX
mytitle = sprintf('\\color{red}%d \\color{blue}%f',5,pi); title(mytitle)

casi 10 años hace | 0

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How to make 2 data sets the same size
Have a look at the resample function; >> help resample resample Change the sampling rate of a signal. Y = resam...

casi 10 años hace | 0

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Respondida
School may adopt Office365 and eliminate student user drives. Can students save to a cloud-based directory in MATLAB?
Why not? Dropbox just watches a local directory for changes. The only issue would be two copies of anything (Matlab, Excel, e...

casi 10 años hace | 1

Respondida
delete a subplot and renew plot
Better yet, update using handles: figure; f = 2*pi; x = linspace(1,100); y = sin(x/f); subplot(2,2,1) plot(x...

casi 10 años hace | 0

Respondida
Find summation of white pixel of detected rectangle from a binary iamge??
You're making this too complex. It's a binary image, just sum the values of your sub-image and divide by the # elements. Pseudoc...

casi 10 años hace | 1

Respondida
[HELP] How to seperate cell with values greater than 230 into new cell.
<http://www.mathworks.com/help/matlab/ref/cellfun.html cellfun> is great for operating on cells; v = {1,3,400, 3, 400, 5} ...

alrededor de 10 años hace | 1

Respondida
Which loop to run in parallel if I have three of them?
It's going to depend. Specifically, where is the heavy lifting done? If you have code that runs fast on a single CPU, it may ...

alrededor de 10 años hace | 0

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Respondida
Passing parameters throughout nested functions
Is this in a GUI? I'd have a look at guidata() and at get/setappdata, both of which help solve the problem of handling data in G...

alrededor de 10 años hace | 0

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