Konica Minolta PS7000 Twain Driver and Overlay Manager Software Installation a - Page 12
Elimination versus Automatic Masking.
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Sharpen - An 8-bit grayscale image, a strong sharpen algorithm for black and white images will apply a straight threshold and standard dither. Sharpen more - Only 8 bit grayscale images. The image goes through a sharpening process that is slightly less pronounced than as sharpen Smooth - Enhanced dithering process that will result in better representation of tonal areas within the image. Line art - Only for black and white images. The resulting image will be displayed with a straight threshold and no dithering. This is an ideal setting for enhancing text or line art legibility. Auto Frame Elimination - When scanning an area larger than that needed for the current image, you may wish to crop off the unnecessary border. Checking this box will cause the scanner to try and determine if there Without AFE With AFE is any unnecessary border space and then remove the pixels associated with this unnecessary border. Automatically removing the border will result in lesser numbers of pixels being returned and hence, smaller file sizes. See the Automatic Masking Mode section below for more information on Frame Elimination versus Automatic Masking. Halftone - Halftone is closely related to Photo Mode and offers more advanced algorithms for processing a scanned image. Please note if Photo Mode is selected then the Halftone drop-down box will be disabled. The Halftone box offers the following three selections: None - The "None" setting will cause an 8-bit grayscale image to be delivered as captured and with black and white images will apply a straight threshold and standard dither. Fine Mode 1 - Depending on the Image Type mode set, this setting will cause the scanned images to be affected as follows: Black & White - Will lighten the final image through a wider dithering process. This lightening is visually less than the Photo mode and can be thought of as a mid-point setting between None and the "Original is photo" setting.