User manual MICROTEK PC M SWPRO 0200

[. . . ] Microtek ScanWizard Pro User's Guide for Windows Copyright © 2000 by Microtek International, Inc. All rights reserved. Trademarks Microtek, ScanMaker, and ScanWizard Pro are trademarks of Microtek International, Inc. IBM PC is the trademark of International Business Machines Corporation. Windows and MS-DOS are trademarks of Microsoft Corporation. Other product or company names are trademarks or registered trademarks of their respective holders. Important Documents that you scan may be protected under copyright law. [. . . ] The White & Black Points dialog box will appear. 5 Check the Shadows and Highlights Auto Neutralize options to "On" (default). This helps to neutralize the color cast in the shadow and highlight areas of the image. This will automatically set the optimal highlight and shadow points for the image. 7 Check the Preview box so that the image in the Preview window is updated with the latest image correction. The update is done in the background and so may take a few seconds to show. 8 Click OK to confirm the correction. Image corrected with White & Black Points tool Original image 4-10 ScanWizard Pro for Windows User's Guide Use the White & Black Points tool to set the shadow and highlight points of an image, as well as to neutralize the color cast in shadow/highlight regions. In the example below, the original has a slight color cast in the shadow and highlight portions of the image. With the use of the auto neutralizing and auto adjustment features, the color cast is removed, and the shadows and highlights are remapped accordingly. 4 7 5 8 6 The shadow point is defined as the lightness value "L" in an image that is output as black (mapped to the Minimum Output Level), while the highlight point is defined as the lightness value "L" that is output as white (mapped to the Maximum Output Level). The default values of the Minimum Output Level and Maximum Output Level are L=5. 0 and L=95. 0, respectively. Using AIC Tools 4-11 Using the Gradation Tool (LCH Mode only) The Gradation tool lets you adjust the midtones (the mid-level grays) of the lightness channel "L" of an image without altering the color itself. This is because even with changes to the luminance or lightness value, the chroma and hue values are kept constant. To prevent color images from losing saturation when adjusting the lightness, ScanWizard Pro provides a Saturation Range option. With this option, colors outside of a given chroma range are not affected by the manipulation of the gradation curve. Original image In the example here, the original image is underexposed, with the middle tones of the image being too dark. The solution: Lighten the tones to brighten up the image. 1 Place the image to be corrected on your scanner. 2 Click the Overview button, and you will see the image appear in your Preview window. 3 Select the area to be prescanned with the Scan Frame tool, then click the Prescan button to obtain a prescan image, and switch to the Prescan view in the View menu. 4 Click the Gradation tool in the Settings window. 5 Move the pointer over the curve, and drag the center of the curve to the left. This brighten up the midtones of the image. 6 Check the Preview box so that the image in the Preview window is updated with the latest image correction. The update is done in the background and so may take a few moments to show. [. . . ] The default profile for color monitor is "Generic P22 1. 8 Gamma Monitor" and printer will set to "Display. " Monitor selection shown here is set at default profiles for monitor and printer This is dimmed when operating under LCH mode CMYK printer profile. Must select one if required Display using monitor compensation This check box controls the option on how the RGB destination data will be displayed. If check box is unchecked (disabled), the RGB data is displayed directly to the monitor. If checked, the RGB destination data will be simulated for the selected type of display monitor. Appendix-2 ScanWizard Pro for Windows User's Guide Display: This feature allows you to select the type of color monitor that corresponds with the one currently in use. [. . . ]