plus-90 orientation

plus-90 orientation

[¦pləs ′nīn·tē ‚ȯr·ē·ən‚tā·shən]
(computer science)
In optical character recognition, that determinate position which indicates that the line elements of an inputted source document appear perpendicular with the leading edge of the optical reader.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.