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Roipoly for 3D images
This is interesting too. I had to work on a similar problem of 3D segmentation, where the correlation between slices was signifi...

plus de 12 ans il y a | 3

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Insert a mathematical function in a GUI from a txt file
This is quite interesting! I could do it this way: Suppose a file called data has the lines: x = 5; y = (x^2+x)*cos(x);...

plus de 12 ans il y a | 0

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How to read data as well as string headerlines?
a quickfix but dirty solution is to read everything as a string, as [id,h,w,s]=textread('data','%s %s %s %s') From the t...

plus de 12 ans il y a | 0

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Signal Segmentation ( All the max values)
you could use the function findpeaks, and a tutorial is here: <http://blogs.mathworks.com/pick/2008/05/09/finding-local-extrema/...

plus de 12 ans il y a | 1

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Characteristics of image file formats
short answer: from MATLAB's perspective, nothing much really. You could work with any of these image formats using imread and so...

plus de 12 ans il y a | 0

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brain tumor detecting
<https://sites.google.com/site/myronenko/research/mirt> may be of help.

presque 13 ans il y a | 0

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FFT of 100 data points
if x is your data, L=length(x); dt=3.5*10^(-6); %time. fs=1/dt; t=(0:1:L-1)*dt; %If you'd like to plot the time signal: ...

presque 13 ans il y a | 4

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segmentation for touching handwritten numeral string
Duplicated from here: <http://www.mathworks.com/matlabcentral/answers/22128-segmentation-of-single-or-multiple-touching-handwrit...

presque 13 ans il y a | 0

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HSV colormap
When you convert a RGB image to HSV, in the 3rd dimension, the 'layers' in the image are hue, saturation and value in that order...

presque 13 ans il y a | 0

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Matrix Solution
for i = 1:7 for j = 1:7 P(i,j) = factorial(i + j - 2)./(2*factorial(j - 1)); end end for a 4x4 matrix, change the 7 in lines ...

presque 13 ans il y a | 0

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how to repalce a matrix
I wonder what the purpose of this is, but here goes: Image1 = imread('rice.png'); % conveniently is 256x256. Image2 = ui...

presque 13 ans il y a | 0

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clustering the data
OK, so from what I understand, you are clustering the genes, and not the samples, which means that you need to transpose your sa...

presque 13 ans il y a | 0

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sqrt in figure label
you would have to change the interpreter to latex, and then type in {\surd} in the xlabel (or any text) box. All the symbols are...

presque 13 ans il y a | 4

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Need a equivalent function of imshow.
you could use the function image % <http://www.mathworks.com/help/techdoc/ref/image.html> or imagesc % <h...

presque 13 ans il y a | 0

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supervised training of SOM in MATLAB
I don't know if matlab natively includes SOM functions, but you should definitely find it here: <http://www.cis.hut.fi/somtoolbo...

presque 13 ans il y a | 0

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Matrix values of an Image
I = imread('rice.png'); Now I includes the pixel values from the image 'rice.png' as a matrix, of size equal to the resolutio...

presque 13 ans il y a | 1

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Down sampling
I would assume that in this case, a more apt term is dimensionality reduction, which has to be done based on what features have ...

presque 13 ans il y a | 0

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mp3 encoder code in matlab, can i able to get it? ... actually i have problem implimenting pscychoacoustic model...so if possible can you give code for it?
You may want to swap the *heading* and 'description' parts of your questions hereon, :) but here's the only implementation I kno...

presque 13 ans il y a | 0

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SVM Regression
I don't really know why MATLAB has not included it by default, and as far as I know, there is no disadvantage as such of using S...

presque 13 ans il y a | 0

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Drawing the x-axis at y=0
You may want to look at this example: http://www.mathworks.com/support/solutions/en/data/1-216M68/index.html?product=ML&solut...

presque 13 ans il y a | 0

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Uniform Distribution (Continuous) fit on data
from: http://www.mathworks.com/help/techdoc/ref/rand.html Generate values from the uniform distribution on the interval [a, b...

presque 13 ans il y a | 0

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Weibull distribution
AFAIK, there is no particular relation between error calculation and the model you use to fit the data. They are independently c...

presque 13 ans il y a | 0

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NN algorithm
http://www.mathworks.com/products/neural-network/demos.html There are *many* algorithms implemented in the Neural Network Too...

presque 13 ans il y a | 1

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Linear Program set up for this Optimization (linprog)
From whatever optimization problems I've solved in MATLAB, the easiest way to do it has always been using the package called cvx...

presque 13 ans il y a | 0

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How to reshape a matrix
if A is the first matrix that you defined, do: B = [A(1:2,1:3);A(1:2,4:6)] to choose the required rows and columns from A to ...

presque 13 ans il y a | 0

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Using indexing to superimpose images:
From the description on the link you posted: Use this method if you have an image that you want to place in a scene, but pref...

presque 13 ans il y a | 0

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how to shrink a image to fit in a screen for further image processing?
If you intend to resize the image at the cost of resolution, you need to use imresize, but if you want to keep the resolution, b...

presque 13 ans il y a | 0

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hiding folder using command
So if you are running windows, I assume system('attrib +s +h +r foldername') when you are in the directory containing the folder...

presque 13 ans il y a | 0

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Split String into Alphabets
you could access each element of the string by looking at input_text(i) where i varies from 1 to size(input_text,2). for exa...

presque 13 ans il y a | 0

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conversion formula
I would assume you should look at the makecform and applycform function, as defined here: http://www.mathworks.com/help/toolbox...

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