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Phase congruency — is a measure of feature significance in computer images, a method of edge detection that is particularly robust against changes in illumination and contrast.FoundationsPhase congruency reflects the behaviour of the image in the frequency domain.… … Wikipedia
edgy — I (New American Roget s College Thesaurus) adj. on edge, irritable, nervous. See irascibility, excitability. II (Roget s IV) modif. 1. [Nervous] Syn. irritable, touchy, tense, on edge; see excitable , excited , irritable . 2. [Sharp edged] Syn.… … English dictionary for students