how to get odd rows and columns,even rows and columns
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juveria fatima
el 13 de Mzo. de 2018
Comentada: Birdman
el 14 de Mzo. de 2018
A1 is the lena image
A is to the first row
similarly how to get the even rows ,even columns,odd rows,odd columns
A1 = imread('lena1.jpg');
A=A1(:,1);
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Birdman
el 13 de Mzo. de 2018
Consider you have number of rows and columns which is an even number,
Odd rows:
A1(1:2:end-1,:)
Even rows:
A1(2:2:end,:)
Odd columns:
A1(:,1:2:end-1)
Even columns:
A1(:,2:2:end)
3 comentarios
Jos (10584)
el 14 de Mzo. de 2018
By substracting one, you discard the last odd row (column) when the number of rows (columns) of the array is odd. When this number is even, it does not matter, so just to be flexible, do not subtract one :)
Birdman
el 14 de Mzo. de 2018
Yes you are right Jos, therefore at the beginning of the question, I stated that:
Consider you have number of rows and columns which is an even number
:)
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