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.
To exude is to give off small amounts, usually of liquids or gases, through small openings, such as pores. Think of how you exude sweat after a workout. The word exude is often used to describe sweating â the original Latin root, sudÄre means to sweat.. Still, we frequently use the word exude to refer to anything that seems to ooze or pour forth from an object or person.