Legacy ImageMagick Discussions Archive

Sorry, for the late answer. I've taken a vacation.

I've created the PNG from the JPG and it looks like the source image. What emerges from this?

The PNG have a slightly different gamma value:
in.png: 0.45455
out.jpg: 0.454545
rebuild.png: 0.45455
Does that matter that much?

Firefox 53.0.2 (64-Bit) on Windows 10 with differences.
But I guess it has something to do with the color profile of my monitor (Dell U2412M). Read about a lot of misconceptions regarding browsers and color profiles.
But I still don't understand why both images are not treated the same...

Hi, I've converted this PNG to a JPG with the command: >magick in.png -quality 100 out.jpg (Version: Windows, ImageMagick 7.0.5-4 Q16 x64 2017-03-25) Here are both images: http://test.cerdmann.com/imagemagick/in.png http://test.cerdmann.com/imagemagick/out.jpg If you open them in Chrome or Firefox ...

Sorry, just looked like an error but seems to be an unfavorable result of the selective blur algorithm on images with an alpha channel.
Sorry again,
Christoph

Hi, referring to this post http://www.imagemagick.org/discourse-server/viewtopic.php?t=24665 I've got the same problem (black halos) with "-selective-blur". "-blur" and "-adaptive-blur" are working fine indeed. Version: ImageMagick 7.0.1-5 Q16 x64 2016-05-18 Greets, Christoph