Canon imageFORMULA DR-7090C Reference Manual page 17

Detection Functions
● Auto Paper Size Detection
The document page size is detected before scanning.
Fixed-Size Scanning
● Text Orientation Detection
The text orientation on each page is detected, and the
scanned image is rotated in 90-degree increments as
necessary for normalization.
Landscape Document
(Scanned Vertically)
IMPORTANT
The text orientation detection functions may not perform
properly depending on the document type.
Image Processing
● Deskew
The scanner straightens an image when it recognizes
from the image that the document page was fed askew.
Skewed Image
IMPORTANT
Deskew may not function properly when scanning only specified
areas of a document page.
Auto-Size Detection
Scanning
Image After Text
Orientation Detection
Deskewed Image
● Dropout and Color Enhancement Functions
The scanner is equipped with drop-out and
enhancement functions that enable you to specify one
color (red, blue, or green) to be omitted (dropped out) or
enhanced, respectively, while scanning.
Color Document
● Remove Binder Holes
Erases the shadows that appear on scanned images form
binding holes on the original document.
Image with Binding Holes
● Skip Blank Page
The scanner scans both sides of a document and skips
saving the image of any side it determines to be a blank
page.
Two-Sided Documents
with a Blank Side
Image with Red Drop-Out
set (red filtered)
Image with Binding Holes
Removed
Images with Blank Page
Skipped
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