Resizing a resized image | is 4k to 720p better than 4k to 1080p to 720p?

New Here ,
Apr 12, 2021 Apr 12, 2021

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I frequently resize a 4K image twice because I need both the 1080p and 720p versions.

 

If I resize a 4K image to 1080p, and then resize that to 720p, will I get the same quality as when resizing from 4K directly to 720p?

 

Or would it be better to undo the resize (back to 4K) and then resize that to 720p?

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Adobe Community Professional ,
Apr 13, 2021 Apr 13, 2021

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If you resize (scale down) twice then you are running scaling algorythm twice. Compare on your own. Theoretically (and practically) fewer resampling processes is better.

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