XnView Software

Posted: **Wed Dec 15, 2010 10:38 am**

Maybe I'm picky here, but I'm doing some technical tests here.
When resizing a 10x10 pixel image (just a symmetric simple X) to either 10x15 or 15x10 using the mentioned methods, the result is not what I expect. The symmetry is lost. My bet would be a rounding issue...

Im on version 1.97.8 (Sep 20 2010)
Libformat Version 5.76

Posted: **Fri Dec 17, 2010 2:30 am**

I believe that's typical for Nearest-neighbor interpolation, ...

Adobe Photoshop v6.0.1:

... but I can confirm a bug with Bilinear interpolation

Adobe Photoshop v6.0.1:

XnView v1.97.8:

XnView Forum
- resizing algorithms
Jeremy Moore
- Effects of Photoshop 6 resampling when resizing
DEVPPL Forum
- Photoshop fuzzy zoom

Posted: **Tue Dec 21, 2010 8:11 am**

Thank you, XnTriq for this excellent demo.

A clear bug in the bilinear interpolation.

XnView Software

Resize bug (Bilinear and nearest neighbour)

Resize bug (Bilinear and nearest neighbour)

Re: Resize bug (Bilinear and nearest neighbour)

Re: Resize bug (Bilinear and nearest neighbour)