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ABBYY® FineReader 14 User’s Guide
The grayscale scanning mode retains more information about the letters in the scanned text to achieve
better OCR results when recognizing documents of medium to poor quality. You can also correct some
of the defects manually using the image editing tools available in the Image Editor. See also: If your
document image has defects and OCR accuracy is low .
Color mode
If you do not need to preserve the original colors of a full-color document, you can process the
document in black-and-white mode. This will greatly reduce the size of the resulting OCR project and
speed up the OCR process. However, processing low-contrast images in black-and-white may result in
poor OCR quality. We also do not recommend black-and-white processing for photos, magazine pages,
and texts in Chinese, Japanese, and Korean.
Tip. You can also speed up the OCR of color and black-and-white documents by selecting Fast
recognition on the OCR tab of the Options dialog box. For more about the recognition modes, see
OCR Options .
For some additional recommendations on selecting the right color mode, see Scanning tips .
Once the document is converted to black-and-white, you will not be able to restore the colors. To get
a color document, open a file with color images or scan the paper document in color mode.
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