Notebook describes watermarking of an image in two different ways:
- Watermark with another image at it's center (using linear blend operator from OpenCV)
- Watermark with text at it's corner
Sample Image: https://virtualbackgrounds.site/wp-content/uploads/2020/07/windows-xp-wallpaper-bliss.jpg
Sample Watermark Image: https://c2techs.net/wp-content/uploads/2014/02/XP-logo.png
