![What does Photoshop's "High Pass" filter actually do under the hood? - Graphic Design Stack Exchange What does Photoshop's "High Pass" filter actually do under the hood? - Graphic Design Stack Exchange](https://i.stack.imgur.com/Gu2HD.jpg)
What does Photoshop's "High Pass" filter actually do under the hood? - Graphic Design Stack Exchange
![GIMP: Bilder mit Hochpass-Filter (High Pass) schnell nachschärfen und Bild-Rauschen minimal halten » Linux | Spiele | Open-Source | Server | Desktop | Cloud | Android GIMP: Bilder mit Hochpass-Filter (High Pass) schnell nachschärfen und Bild-Rauschen minimal halten » Linux | Spiele | Open-Source | Server | Desktop | Cloud | Android](https://www.bitblokes.de/wp-content/uploads/2013/01/Selection_0552.jpg)
GIMP: Bilder mit Hochpass-Filter (High Pass) schnell nachschärfen und Bild-Rauschen minimal halten » Linux | Spiele | Open-Source | Server | Desktop | Cloud | Android
![Using GIMP's high pass filter, I found out that the 009 preview has a map hidden in it. What if other images have something like this? : r/Gwain_Saga Using GIMP's high pass filter, I found out that the 009 preview has a map hidden in it. What if other images have something like this? : r/Gwain_Saga](https://preview.redd.it/av5ei5y8ep571.png?width=640&crop=smart&auto=webp&s=1749136af7055840fe8ea68db13189afbf779d03)