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…bars and white spaces. Each character maps to a specific bar-space pattern defined by the symbology specification. A…

…(find start/stop patterns or finder patterns) Sample the bar and space widths Decode each character using the…

…exact positioning, font size, and formatting for HRI text. Bar Height (Bearer Bars) Bar height affects scanning…

…every aspect of a barcode symbol: how characters map to bar patterns, what dimensions are acceptable, how check digits…

…(Modulo 103) Stop character (fixed pattern) Termination bar (2-module bar) Each character uses 3 bars and 3 spaces…

…is sufficiently different from all others that a single bar width error creates an invalid character, which the…

…pairs of digits: the first digit is encoded in the bar widths, and the second in the space widths. Each digit…

…Standard The International Air Transport Association's Bar Coded Boarding Pass (BCBP) standard specifies Aztec Code…