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.
Class F fires are fires which involve cooking oil or fat. Though technically a sub-class of fires caused by flammable liquids or gases, they differ from conventional fires due to the extremely high temperatures involved. Whereas flammable liquids, such as petrol, usually have low flash and auto ignition temperatures, cooking oil or fats require temperatures in excess of 340Â°C to ignite.