The presence or absence of a Mark in a specific location is then
converted into a value such as a selection in a multi- choicequestion,
the selection of one item in a list of several, or even to code a
specific numeric or alphanumeric value, such as a date using six
columns of 10 boxes or name with 26 columns etc
Thus, if a Mark by itself can only generate a binary choice (presence
or absence), the combination of several marks arranged on a form can
provide intelligent answers to questions and be used as a fast and
accurate replacement to data entry in many applications. Basically an
OMR Reader is only intelligent to accurately give the postion of the
marks , interpretation of marks is an important aspect and more than
often known as Template Creation
Optical marks recognition is traditionally performed using Reflective
Light Method where a beam of light is reflected on a sheet with marks.
(Sekonic Optical Mark Readers , a low priced Japanese Readers are very
special )Special forms are created using Timing Marks and color
drop-out (depends what reading head you uses , Visible or Infra-red)
and are usually referred as Scantron or Sekonic Forms from the name of
the vendors that sell these systems. OMR Solutions can assist you in
locating a vendor for such a product.