BS ISO/IEC 24728:2006

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, operations and abbreviated terms
  4.1 Symbols
  4.2 Mathematical operations
  4.3 Abbreviated terms
5 Requirements
  5.1 Symbology characteristics
       5.1.1 Basic characteristics
       5.1.2 Summary of additional features
  5.2 Symbol structure
       5.2.1 MicroPDF417 symbol parameters
       5.2.2 Row and column combinations
       5.2.3 Row parameters
       5.2.4 Codeword sequence
       5.2.5 MicroPDF417 Row Address Patterns
  5.3 Basic encodation
       5.3.1 Symbol character structure
       5.3.2 Start and Stop Patterns
  5.4 High level (data) encodation
       5.4.1 Function codewords
       5.4.2 Text Compaction mode
       5.4.3 Byte Compaction mode
       5.4.4 Numeric Compaction mode
       5.4.5 Advice to select the appropriate compaction
              mode
       5.4.6 Treatment of MicroPDF417 reserved codewords
  5.5 Extended Channel Interpretation
       5.5.1 Encoding the ECI assignment number
       5.5.2 Pre-assigned and default Extended Channel
              Interpretations
       5.5.3 Encoding ECI sequences within compaction modes
       5.5.4 Post-decode protocol
  5.6 Determining the codeword sequence
  5.7 Error detection and correction
       5.7.1 Number of error correction codewords
       5.7.2 Error correction capacity
       5.7.3 Defining the error correction codewords
  5.8 Dimensions
       5.8.1 Minimum width of a module (X)
       5.8.2 Row height (Y)
       5.8.3 Quiet zones
  5.9 Defining the symbol format
       5.9.1 Defining the aspect ratio of the module
       5.9.2 Defining the symbol matrix of rows and columns
  5.10 Generating the error correction codewords
  5.11 Low level encodation
       5.11.1 Clusters
       5.11.2 Determining the symbol matrix
       5.11.3 Determining the values of the Row Address
              Patterns
       5.11.4 Row encoding
  5.12 Printing Row Address Patterns
  5.13 Structured Append
       5.13.1 Compaction modes and Structured Append
       5.13.2 ECIs and Structured Append
  5.14 User guidelines
       5.14.1 Human readable interpretation
       5.14.2 Autodiscrimination capability
       5.14.3 User-defined application parameters
       5.14.4 MicroPDF417 symbol quality
       5.14.5 Separation of multiple symbols
  5.15 Reference decode algorithm
  5.16 Error detection and error correction procedure
  5.17 Transmitted data
       5.17.1 Transmitted data in the basic (default)
              interpretation
       5.17.2 Transmission protocol for Extended Channel
              Interpretation (ECI)
       5.17.3 Transmitted data for Structured Append
       5.17.4 Transmission of reserved codewords using
              the ECI protocol
       5.17.5 Symbology identifier
       5.17.6 Transmission using older protocols
Annex A (normative) Encoding/decoding table of PDF417 symbol
                    character bar-space sequences
Annex B (normative) The default character set for Byte
                    Compaction mode
Annex C (normative) Byte Compaction mode encoding algorithm
Annex D (normative) Numeric Compaction mode encoding algorithm
Annex E (normative) Error correction
Annex F (normative) Tables of coefficients for calculating
                    MicroPDF417 error correction codewords
Annex G (normative) Text Compaction mode encoding algorithm
Annex H (normative) Structured Append MicroPDF417 symbols
  H.1 Structured Append overview
  H.2 Structured Append syntax
  H.3 High level encoding considerations
  H.4 Encodation example
  H.5 Structured Append and the Extended Channel
       Interpretation protocol
  H.6 Structured Append data transmission
Annex I (normative) Testing MicroPDF417 symbol quality
  I.1 Overview of methodology
  I.2 Test scans for scan reflectance profile
Annex J (normative) Reference decode algorithm for MicroPDF417
  J.1 Phase 1: Initialization
  J.2 Phase 2: Filling the matrix
  J.3 Phase 3: Interpretation
  J.4 Reference line-decode algorithm
Annex K (normative) Error correction procedures
Annex L (normative) Symbology identifier
Annex M (normative) Transmission protocol for decoders
                    conforming with original PDF417 standards
  M.1 Basic Channel Mode
  M.2 GLI encoded symbols
  M.3 Structured Append symbols
  M.4 Transmission of reserved codewords using the original
       PDF417 protocol
  M.5 Achieving compatibility between old and new PDF417
       equipment
Annex N (informative) Algorithm to minimise the number of
                      codewords
Annex O (informative) Guidelines to determine the symbol matrix
Annex P (informative) Calculating the coefficients for
                      generating the error correction
                      codewords - worked example
Annex Q (informative) Generating the error correction
                      codewords - worked example
Annex R (informative) Division circuit procedure for
                      generating error correction codewords
Annex S (informative) Additional guidelines for the use of
                      MicroPDF417
  S.1 Autodiscrimination compatibility
  S.2 Pixel-based printing
Bibliography

Defines the requirements for the bar code symbology known as MicroPDF417.

This International Standard specifies the requirements for the bar code symbology known as MicroPDF417. It specifies the MicroPDF417 symbology characteristics, data character encodation, symbol formats, dimensions, error correction rules, decoding algorithm, and a number of application parameters.