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Alex Perrakis


Last seen: 1 dag ago Active since 2021

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Question


Find Periodicity of a plot to do Fourier Transformation
Hello Guys, i have following code, and which produces some plots, i would like to find the periodicity of the plot to do a Fouri...

9 dagen ago | 0 answers | 0

0

answers

Question


Do not plot the shape in the middle and polar transformation
Hello Guys, i have the above seen plot and i would like not to plot the shape seen within the circle and the do a polar tranf...

13 dagen ago | 1 answer | 0

1

answer

Question


Create different outline colors for different times
Hello, i have written following code, which creates an Image of outlines of some photos i took for my project, The question i...

22 dagen ago | 1 answer | 0

1

answer

Question


Creat a loop for Image processing
Hello, i have the following code, is there any way to rewrite it to create a loop so that it subtracts the 1st photo from 2nd un...

ongeveer 2 maanden ago | 2 answers | 0

2

answers

Question


Sort a Matrix by the first column connecting the row elements so that the elements of the second column 'follow' those of the first.
Hello Guys, i have a two column Matrix, where the first column is the diameter of some particles and the second column is Extic...

3 maanden ago | 1 answer | 0

1

answer

Question


Sorting Elements of af 3D matrix in another Matrix with a condition
x1=0.05; x2=0.1; B=zeros(428,29,2); k=1; i=1; for j=1:29; %columns if x2>E_D(i,j,1)& E_D(i,j,1)>x1; B(i,k,:)=E_D(...

3 maanden ago | 1 answer | 0

1

answer

Question


I would like to find elements of a matrix that fulfill a condition but after every loop the condition is changing.
Hello, i have a 428x29 matrix of particle diameters and i would like to sort these diametes in classes beginning from 0.05 to 0...

3 maanden ago | 1 answer | 0

1

answer

Question


Isolate the outline of a shape.
Hello i have through binarizing and using bwpropfilt i have got the attached image, my question is : does anyone have an idea ho...

3 maanden ago | 1 answer | 0

1

answer