Digital watermarking is the act of hiding a message related to a digital signal (i.e. an. image, song, video) within the signal itseclosely related to lf. It is a concept. steganography, in that they both hide a message inside a digital signal. However, what. separates them is their goal.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  extrude(Verb) To push or thrust out. 2  extrude(Verb) To form or shape (a metal, plastic etc.) by forcing it through a die or an opening.
exude verb [ T ] (FEELING) âº 1  If you exude love, confidence, pain, etc., you show that you have a lot of that feeling: âº 2  to produce a smell or liquid substance from inside: âº 3  to have a lot of a particular quality or feeling: âº  To exude is also to produce from the inside and spread out slowly: