I notice you're asking for a "paper" on a topic that appears to reference (a software for adding watermarks to images) and a "patched" version.

Disclaimer: Using modified or "patched" software may pose security risks, such as malware or data theft. Always ensure you are downloading from trusted, secure sources and consider supporting developers by purchasing legitimate software licenses.

Modifying software binaries breaks internal dependencies, leading to application instability during large rendering tasks.

: By placing watermarks within "safe margins," creators make it significantly harder for unauthorized users to crop out the identifying information. Adobe Exchange Risks of Using "Patched" Software

Embed copyright data directly into the EXIF, IPTC, and XMP metadata layers of your files.

The good news is that there are many excellent and legal ways to protect your images without resorting to cracked software.