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 - release (a liquid) in drops or small quantities; exude sweat through the pores. exudate, ooze out, transude, ooze. distil, distill - give off (a liquid); The doctor distilled a few drops of disinfectant onto the wound. reek, fume - be wet with sweat or blood, as of one's face.