Need to do Down Sampling
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Hello ....
I want help in deleting odd rows and coloumns from an image and at the same time even rows and even coloumns from an image.
1 个评论
Guillaume
2015-4-29
Your question is not clear. If you delete odd and even rows at the same time, then you're left with nothing.
回答（1 个）
Guillaume
2015-4-29
This is very basic matrix indexing. To delete odd rows:
m(1:2:end, :) = []
To delete even columns:
m(:, 2:2:end) = []
Note that you can't do both at once. If you want to delete both odd rows and columns, you have to do it in two steps:
m(1:2:end, :) = []; %delete odd rows
m(:, 1:2:end) = []; %delete odd columns
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