Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Abbreviated terms<br>5 Quality grading<br>6 Measurement methodology for OCR-B<br>7 Reporting the grade<br>Annex A (normative) - OCR-B character centreline coordinates<br>Annex B (normative) - Threshold determination method<br>Annex C (normative) - OCR reference decode algorithm<br>Annex D (informative) - Example calculation of character<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;evaluation value (CEV)<br>Bibliography

Abstract

Describes; - the methodology for the measurement of specific attributes of OCR-B character strings, - a method for evaluating these measurements and deriving an overall assessment of character string quality, - a reference decode algorithm for OCR-B, and - information on possible causes of deviation from optimum grades to assist users in taking appropriate corrective action.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	IST/34
Supersedes	15/30295021 DC : 0