Sign Up
Sign In
Submit
Home
Journals
Articles
Books
Resources
About Us
Open Journal of Educational Research
+ Journal Menu
Journal Overview
Journal Home
For Authors
Abstracting and Indexing
Publication Ethics
Copyright
Article Processing Charges
Archive
Current Issue
Aims & Scope
Editorial Board
Reviewer Board
Journal Home
Archive
Current Issue
Aims & Scope
Editorial Board
Reviewer Board
Open Journal of Educational Research
Archives
Volume 1, Number 1, 2021
Article
Table 2
Article
Standards for Digitization in Cases of Maps, Documents, and other Relics in the Service of Cultural Heritage
Table 2
Types of quality calculation(for digitized text)
Black and white text
QI = (dpi*0.039*h)/3
h = (3*QI) /(0.039*dpi)
dpi = (3*QI)/(0.039*h)
Text in shades of gray or color
QI = (dpi*0.039*h)/2
h = (2*QI) /(0.039*dpi)
dpi = (2*QI)/(0.039*h)
Levels of Image Quality
(8.0) Excellent
(5.0) Good
(3.6) Poor
(3.0) Just Readable