BS ISO/IEC 24778:2024 – TC

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Tracked Changes. Information technology. Automatic identification and data capture techniques. Aztec Code bar code symbology specification

Published By	Publication Date	Number of Pages
BSI	2024	137

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Categories: 35.040.50 - Automatic identification and data capture techniques, BSI

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PDF Catalog

PDF Pages	PDF Title
79	undefined
85	Foreword
86	Introduction
88	1 Scope 2 Normative references 3 Terms, definitions, symbols and functions 3.1 Terms and definitions
89	3.2 Symbols and functions 3.2.1 Mathematical symbols 3.2.2 Mathematical functions and operations
90	4 Symbology characteristics 4.1 Basic characteristics 4.2 Summary of additional features
91	5 Symbol description 5.1 Basic Aztec Code properties 5.2 Symbol structure 5.2.1 Aztec code layout
93	5.2.2 Core Symbol
94	5.2.3 Data fields 5.3 Symbol character structure and sequence
96	5.4 Symbol size and capacity
97	6 General encodation procedures
98	7 Symbol structure 7.1 Fixed pattern structures 7.1.1 Fixed pattern types 7.1.2 Finder 7.1.3 Orientation bits 7.1.4 Reference grid 7.2 Mode message encoding and structure 7.2.1 Mode message 7.2.2 Symbol size designator
99	7.2.3 Message length designator 7.2.4 Error encodation for the mode message 7.2.5 Module placement for the mode message 7.3 Data message encoding and structure 7.3.1 Data message
100	7.3.2 Source message encoding
102	7.3.3 Error encodation for the data message 7.3.4 Module placement for the data message
103	8 Structured Append 9 Reader initialization symbols 10 Extended Channel Interpretation (ECI) 10.1 ECI basic information and references
104	10.2 Encoding ECIs in Aztec Code 10.3 Code sets and ECIs 10.4 ECIs and Structured Append 10.5 Post-decode protocol 11 User considerations 11.1 Choice of data and error correction level 11.2 User selection of encoded message
105	11.3 User selection of minimum error correction level 11.4 User selection of Structured Append 11.5 User selection of optional symbol formats 12 Dimensions 13 User guidelines 13.1 Human readable interpretation
106	13.2 Autodiscrimination capability 13.3 User-defined application parameters 14 Reference decode algorithm 14.1 General
107	14.2 Finding candidate symbols 14.3 Processing the bullseye image 14.4 Decoding the Core Symbol 14.4.1 Bullseye mapping of module centres 14.4.2 Mapping and sampling module centres
108	14.4.3 Determining video sign and symbol format 14.4.4 Determining symbol orientation and mirror image reversal 14.4.5 Decoding the mode message 14.5 Decoding the data message 14.5.1 General 14.5.2 Mapping the data layers 14.5.3 Assembling the codewords
109	14.5.4 Checking the codewords 14.6 Translating the datawords 14.6.1 Bit stream conversion and interpretation 14.6.2 Creating the data bit stream 14.6.3 Interpreting the bit stream 15 Symbol quality 15.1 Quality assessment method 15.2 Symbol quality parameters 15.2.1 Fixed pattern damage (FPD)
110	15.2.2 Axial non-uniformity (AN) 15.2.3 Unused error correction 15.2.4 “Print” growth 15.2.5 Grid non-uniformity 15.3 Symbol print quality grading 15.3.1 Symbol grade 15.4 Additional print process control measurements 16 Transmitted data 16.1 Basic interpretation
111	16.2 Protocol for FNC1 16.3 Protocol for ECIs 16.4 Symbology identifier 16.5 Transmitted data example
113	Annex A (normative) Aztec Runes
115	Annex B (normative) Error detection and correction
118	Annex C (normative) Topological bullseye search algorithm
122	Annex D (normative) Linear crystal growing algorithm
123	Annex E (normative) Fixed pattern damage (FPD) grading
125	Annex F (normative) Symbology identifiers
126	Annex G (informative) Aztec Code symbol encoding example
130	Annex H (informative) Achieving minimum symbol size
133	Annex I (informative) Useful process control techniques
135	Bibliography