How to convert the pixel indices in a image to pixel indices in a resized image? Or inverse.

Hi,

How to convert the pixel indices in a image to pixel indices in a resized image? Or inverse. Because I have try with like divide by 2 or multiply by 2, but it seems like not work.

Thank you.

Best, Yumin

Answer 1

[Guillaume]

indices are just indices, they just indicate the location of an element in a matrix regardless of the type of that element. Single, double, integer, it does not matter.

It is puzzling that you're asking that question so perhaps you mean something else by pixel indices.