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# Stefan

Active since 2012

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steps for Independent component analysis(ica)
check this out: http://cis.legacy.ics.tkk.fi/aapo/papers/IJCNN99_tutorialweb/

9 years ago | 0

Answered
Advantages of gabor filter
one great advantage are the invariant properties of the extracted features: http://personal.lut.fi/users/joni.kamarainen/down...

9 years ago | 0

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Answered
images color
look at this example, i think its the easiest way to get a mask http://www.mathworks.de/help/toolbox/images/ref/graythresh.ht...

9 years ago | 0

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images color
is the area under a curve or between two curves? then use: http://www.mathworks.de/help/techdoc/ref/area.html otherwise, d...

9 years ago | 0

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unsharp masking
to reduce noise (wrong pixels) use a median or mean filter. http://www.mathworks.de/help/toolbox/images/ref/medfilt2.html co...

9 years ago | 0

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creating two pairs of data which are apart by a certain distance
if the data set i very large you have to vectorize the code...

9 years ago | 0

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creating two pairs of data which are apart by a certain distance
use epsilon-nearest neighbors algorithm. or simple: if your data have the coordinates x and y and TH = tour predefied thres...

9 years ago | 0

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Changes in vectors
Are the measure points located in a vector with the same size like L_New? Or do you have more values? Same size: Why do you ...

9 years ago | 0

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Eliminate reflections in an image
It depends on your images which you want to process. You can use some kind of diffusion by applying median or mean filter. Thi...

9 years ago | 0

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Vectorize this?
I think you can pre-allocate teh varibale new_row also (command _'ones()'_ ) Variable A is changig it's size in every loop. ...

9 years ago | 0

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Vectorize this?
Hi Edward, which structure has your cplex.Model? Without this information it's more difficult to understand the vectoroizing...

9 years ago | 0

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Gabor filter
u can use it for edge detecttion or texture extraction

9 years ago | 1

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sigma of gabor filter
Hi Mahua, you can choose if sigma_x and sigma_y are the same or different values. These values decide about the eliptic shape ...

9 years ago | 1

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Answered
Haralick function input image
Hi Sibel, if I understood you correctly: You separate the neurons from their actual image environment and st it on a black b...

9 years ago | 0