Use https://github.com/ImageMagick/ImageMagick/discussions instead.
https://imagemagick.com/discourse-server/
https://imagemagick.com/discourse-server/viewtopic.php?t=20105
IM-6.7.4-5 and earlier (at least as far back as 5.5.7) opens them and converts or displays them properly. We can't do much about other applications that don't support JNG.Solovei95 wrote:Есть одна проблема. Дело в том, что ни одна программа не может открыть эти JNG с JDAA чанком. Я прошу исправить поддержку данных файлов.
http://pmt.sourceforge.net/jdaa/demo2.html
http://pmt.sourceforge.net/jdaa/
[Google translate: There is one problem. The fact that no program can open these with JNG chunks JDAA. I ask the support to fix these files.]