Watermark — Watermarking Reference
Quick-reference skill for watermarking techniques, implementation, and digital content protection.
When to Use
- Adding visible watermarks to images and documents
- Understanding invisible/digital watermarking for tracking
- Implementing CSS/canvas watermarks in web applications
- Protecting intellectual property and detecting unauthorized use
- Understanding steganography and content authenticity
Commands
intro
scripts/script.sh intro
Watermarking overview — types, purposes, visible vs invisible, history.
visible
scripts/script.sh visible
Visible watermarks — design principles, placement, opacity, tamper resistance.
invisible
scripts/script.sh invisible
Invisible watermarks — frequency domain, LSB, spread spectrum, robustness.
web
scripts/script.sh web
Web watermarking — CSS overlay, canvas-based, DOM watermarks, anti-removal.
document
scripts/script.sh document
Document watermarking — PDF, print, forensic tracking, canary traps.
ai
scripts/script.sh ai
AI watermarking — C2PA standard, AI-generated content marking, detection.
attacks
scripts/script.sh attacks
Watermark attacks — removal, distortion, collusion, and countermeasures.
checklist
scripts/script.sh checklist
Watermark implementation checklist for different use cases.
help
scripts/script.sh help
version
scripts/script.sh version
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