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INCITS/ISO 1831 : 1980

Current
Current

The latest, up-to-date edition.

PRINTING SPECIFICATIONS FOR OPTICAL CHARACTER RECOGNITION
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2004

0 Introduction
  0.1 Interpretation of the International Standard
  0.2 Use of the International Standard
  0.3 Annexes
1 Scope and field of application
2 References
3 Spectral requirements
  3.1 General
  3.2 Spectral bands
4 Paper specifications for OCR
  4.1 General
  4.2 Luminous reflectance factor R[u] of paper
  4.3 Dirt in paper
  4.4 Paper opacity
  4.5 Variation in reflectance of paper
5 Characteristics of the printed image
  5.1 General
  5.2 Print quality tolerance ranges
  5.3 Definition of character outline limits
  5.4 Measurements of parameters
6 Character positioning
  6.1 General
  6.2 Document reference edges
  6.3 Character boundary
  6.4 Character skew
  6.5 Line boundary
  6.6 Field
  6.7 Horizontal positioning of characters within a line
  6.8 Character alignment within a line
  6.9 Printing area
  6.10 Clear area
  6.11 Margin
  6.12 Line separation
  6.13 Line spacing
Annexes
A Paper characteristics and measurements
B Characteristics of the printed image
C Computer-aided method (CAM) of print quality measurement
D Character positioning

Provides the basic definitions, measurement requirements, specifications and recommendations for OCR paper and print.

DocumentType
Standard
Pages
46
ProductNote
Reconfirmed 1980
PublisherName
Information Technology Industry Council
Status
Current

Standards Relationship
ISO 1831:1980 Identical

ISO 2471:2008 Paper and board — Determination of opacity (paper backing) — Diffuse reflectance method
ISO 216:2007 Writing paper and certain classes of printed matter Trimmed sizes A and B series, and indication of machine direction
ISO 1073-2:1976 Alphanumeric character sets for optical recognition Part 2: Character set OCR-B Shapes and dimensions of the printed image
ISO 2469:2014 Paper, board and pulps — Measurement of diffuse radiance factor (diffuse reflectance factor)
ISO 1073-1:1976 Alphanumeric character sets for optical recognition Part 1: Character set OCR-A Shapes and dimensions of the printed image

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