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Digital watermarking is the technology of inserting, and most of the time, hiding messages in noise- tolerant digital signals, such as images, videos and audios. The technology is mainly used for copyright protection but it also has applications to fields such as,
Copyright protection
Fingerprinting
Ownership assertion
Fraud&temper detection
ID card security
Deter digital counterfeiting bank notes
The following is a top level illustration of general procedures of embedding, transmitting and extracting a digital watermark in an image.
The following is our Host and Watermarked image, which looks pretty much the same to naked eye.
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