Software Setup 79Chapter 3[Reverse Image] Check Box (TWAIN driver only)The document is scanned with black and white reversed when scanning inblack and white (binary) mode.[Edge Emphasis]Adjusts image contours. Move the slider toward Soft to soften image contours,or toward Sharp to sharpen image contours.[Document Orientation]This setting selects an angle (0, 90, 180 or 270 degrees) to rotate scannedimages for orientation normalization.☞ Scanned images are rotated as follows according to the orientation ofloaded documents and the selected rotation angle.[Text Orientation Recognition] Check BoxSelect this check box to detect text orientation in scanned images, and rotateimages in 90º increments as needed to normalize orientation.☞ When [Text Orientation Recognition] is selected, [Image Rotation] andarea settings in the Scan Area dialog box are disabled.☞ Some application programs do not support [Text Orientation Recognition].Please disable [Text Orientation Recognition] if your application programbehaves abnormally when it is enabled.[Erase Dot] Check BoxSelect this to remove isolated black pixels (3×3 dots or smaller) from a whitebackground, or isolated white pixels from a black background.[Border Removal] Check BoxSelect this to remove black borders surrounding scanned images.[Punch Hole Removal] Check BoxSelect this to remove the black spots from scanned images when scanningdocuments with punch holes.☞ If punch holes are located within text or graphics in the document, theymay be misidentified as graphics, and may not be removed.Feeder documents:face upImage rotation (clockwise) 0° 90° 180° 270°Flatbed documents:face down
