Noise Filter — occasionally small dots or specks appear in the background of a scanned image. These specks increase file compression size and usually contain no image information. Using the Noise Filter on documents containing very fine detail (e.g., the dot on an "i" in
Noise Filter can be used with black and white images only and is Front/ Back independent. Choose None, Lone Pixel or Majority Rule.
•Lone Pixel: reduces random noise on black and white images by converting a single black pixel surrounded by white to white or by converting a single white pixel surrounded by black to black.
•Majority Rule: sets the central pixel value in a matrix according to the majority of white or black pixels in a matrix.
| No Noise Filter Used | Lone Pixel |
Color options | JPEG (Joint Photographic Editor Group) Quality — this group | |
| developed and lent their name to a file compression standard for color | |
| and grayscale images that is widely used by scanners, digital cameras |
and software applications. On Microsoft
• Draft: smallest file size with draft image quality.
• Good: larger file size with good image quality.
• Better: larger file size with better image quality.
• Best: larger file size with the best image quality.
• Superior: largest file size with superior image quality.
Color Correction — select one of the following based upon the documents you are scanning:
•Mixed: when the documents you want to scan contain a mix of text, business graphics (bar graphs, pie charts, etc.) and line art.
•Pictures: when the documents you want to scan are comprised mainly of photos.
•Text: when the documents you want to scan contain mostly text.