As the growth of photos, videos, soundtracks, text the science of verifying the ownership and originality of content plagues large media organisations, to bloggers and to entrepreneurs.
Near-invisible photo watermarking is possible. An interesting technique to do this is:
- Take a photo
- Create a new layer
- Type watermarking details in the new layer (this can be dispersed or concentrated)
- Set layer transparency to near Invisible
- Export the image
To detect watermarks?
- Extract grain
This is the most basic way to protect your creative photos.