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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...

10年以上 前 | 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);...

10年以上 前 | 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...

10年以上 前 | 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/...

10年以上 前 | 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...

10年以上 前 | 0

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

10年以上 前 | 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: ...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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 ...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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 ...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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 ...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 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...

10年以上 前 | 0

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