Character recognition. There are two basic types of core OCR algorithm, which may produce a ranked list of candidate characters. Matrix matching involves comparing an image to a stored glyph on a pixel-by-pixel basis; it is also known as pattern matching, pattern recognition, or image correlation.
1 Liquid Fire, eight-piece rock band from Saint Joseph, Missouri. 2  A single from L'Enfant Sauvage, the fifth album by the French progressive death / groove metal band Gojira.
A poisonous, nonflammable, colorless liquid used in fire extinguishers and as a dry-cleaning fluid. Also called tetrachloromethane. carbon tetrachloride. A colorless, nonflammable, poisonous liquid having a strong odor. It is used to make refrigerants, aerosol propellants, and pharmaceuticals.