Rockwell Automation 5370-OCR2 PAK - Manual (Page 89)

Glossary
G–3
O
Optical Character Recognition (OCR)
The process of optically reading printed characters, without testing the
characters against a match string. This is used when the goal is to determine
what printed characters are present.
OCR Font
See font.
Optical Character Verification (OCV)
The process of optically reading printed characters and testing the characters
against a match string. This is used when the goal is to determine whether
the printed characters match an expected pattern.
P
Pick & Place
The method of manually positioning a shape, such as a processing window,
on an image. This operation consists of picking part of the shape with the
mouse, dragging it to a new location, and placing it there.
Processing Window
The window used to define the region of the image which will be processed
by the OCR Tool.
Pixel
A pixel is a picture element. This term can be used to refer to one element of
an image, a dot on the CVIM2 module display screen, or one element of a
character pattern.
Printed Character
A character which appears in an acquired image.
S
String
In general, a sequence of characters. In OCR, this can refer to one line of
text read by an OCR Tool, a line of printed characters,
String Length (Len)
This is the maximum number of characters which will be read by one string
of an OCR Tool if the Subset option is set to Left or Right.
Subset
A means of truncating the string of read characters. The string can be
truncated from either the left or the right.