•Relative to Document (zone processing): used for batches of same- sized documents, zone processing is a floating fixed crop window (the zone) located relative to the upper left corner of a document. It allows you to select an area on the document to be delivered in either color/grayscale or black and white format (a separate window for both black and white and color/grayscale may be defined). Different parameters may be selected for both the front and back of the image.
This option may be used in conjunction with Automatic cropping where a separate color/grayscale or black and white area to be saved is desired. It is useful in applications where a photograph, signature, embossment or seal appears in a consistent area for an application (you may want that small area in color/grayscale and the rest in black and white). To define a zone, select the Layout tab.
Binarization — these options work on grayscale images and outputs a black and white electronic image. Their strength lies in the ability to separate the foreground information from the background information even when the background color or shading varies, and the foreground information varies in color quality and darkness. Different types of documents may be scanned using the same image processing parameters and results in excellent scanned images.
•iThresholding: allows the scanner to dynamically evaluate each document to determine the optimal threshold value to produce the highest quality image. This allows scanning of mixed document sets with varying quality (i.e., faint text, shaded backgrounds, color backgrounds) to be scanned using a single setting thus reducing the need for document sorting. When using iThresholding, only Contrast can be adjusted.
•Fixed Processing (FP): used for black and white and other high contrast documents. If Fixed Processing is selected, only Threshold can be adjusted.
•Adaptive Thresholding (ATP): separates the foreground information in an image (i.e., text, graphics, lines, etc.) from the background information (i.e., white or
Threshold — aids in controlling the level at which a pixel is considered black or white.
•Decreasing this setting will make the image appear lighter, and can be used to subdue background noise.
•Increasing this setting will make the image appear darker, and can be used to help pick up light information.
The options range from 0 to 255. The default is 90.
Contrast allows you to make an image sharper or softer. Decreasing this setting will make the image softer and reduce noise in the image. Increasing this setting will make the image clearer and make light information more visible. The options range
