1
submitted 3 weeks ago* (last edited 3 weeks ago) by evenwicht@lemmy.sdf.org to c/foss_requests@libretechni.ca

Many color printers surreptitiously print a stegonographic watermark with yellow dots to make all documents traceable to their source. Some threads covering this:

proposal:

In principle, a color printer could be made to print a blank page so that the page only contains the MIC watermark. It could then be scanned at 600+ DPI. A FOSS app could analyze the dot spacing and work out where to add dots to the uniform grid and produce a mask that can be easily layered on to all documents using ImageMagick.

no comments (yet)
sorted by: hot top controversial new old
there doesn't seem to be anything here
this post was submitted on 15 Nov 2025
1 points (100.0% liked)

Request creation of free software missing from the 🄯ommons 🗽🐧🐏

15 readers
2 users here now

This is a place to ask whether free open source software exists for a particular purpose. If it’s non-existent, specify your software requirements here so your dream can be well articulated for everyone to either laugh at or share the dream and give moral support for you to create it yourself. Or you might even to pitch the idea so well that a developer loves the idea enough to run off and build it for you.

No other community exists for this purpose but there are some loosely related ones. If existing software closely delivers what you need but is missing a feature, you might post a wishlist/feature request here or in !bugs@sopuli.xyz.

The FSF has a software directory that can help with finding software.

Loosely related decentralised communities generally for FOSS:

There is also foss@beehaw.org but I don’t recommend it because the mod is trigger happy with censorship. E.g. if you post about FOSS advocacy it will get removed as it does not relate to any particular FOSS application. There are also many more FOSS forums duplicated in centralised places which are not conducive to the digital rights spirit of free open source software, so they are omitted.

founded 3 months ago
MODERATORS