Microtek ScanWizard Pro User's Guide

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4 Using the AIC Tools This section of the user’s guide describes the use of the various Advanced Image Correction (AIC) tools, which form an integral part of ScanWizard Pro. All the tools are available when you work in the default LCH color space, but a different set of tools is available when you choose to work in the Native color space. Included at the beginning of this section is a brief discussion of the LCH color model vs. the Native color model, as well as other concepts important to optimizing your workflow. The scenarios provided are based on the Advanced Image Correction tools available through the LCH color model. The LCH Color Model Selecting LCH or Native Color Space Workflow for Optimizing Images Adding a Custom Setting How to Choose the Correct Image Category Using the Dynamic Range Tool Using the Black & White Points Tool Using the Gradation Tool Using the Color Cast Tool Using the Saturation Curve Tool Using the Selective Color Tool Using the Tone Curve Tool Using the Filter Tool Using AIC Tools 4-1 English
English The LCH Color Model One of ScanWizard Pro’s strengths is its ability to let you work in the LCH color space. Unlike the RGB color model, which corresponds to the color space as defined in monitors and printers, the LCH color model is a more intuitive way of working with colors, based on the values of Lightness (the “L” in LCH), Chroma (C), and Hue (H). For instance, if you wish to change the color of the sky in an image to a darker blue, your own eye — and your own judgment — will be the guide to making those color changes. This is easier than, say, knowing the mathematical equivalent in RGB or CMYK values that would correspond to a “dark sky blue”. The LCH model, in effect, makes it easier to comprehend colors as they are couched in the terms we are familiar with: Lightness (how dark or light a color is), Chroma or saturation (how rich or dull a particular hue of green is), and Hue (the property that distinguishes, say, the color red from the color blue.) In the LCH color model, colors of equal brightness lie on a single plane of the model, as shown below. Red and green lie opposite each other on the horizontal axis, as blue and yellow lie opposite each other on the vertical axis. On the color sphere shown below, you can see how the different LCH properties play out: The different hues (red, green, yellow, blue) are spread around the sphere. The chroma (saturation) for each hue increases from the center of the sphere outward, with the most saturated colors lying on the edge of the sphere. • The brightness values increase from the bottom of the model to the top. 4-2 ScanWizard Pro for Windows User’s Guide
Page 1 and 2: Microtek ScanWizard Pro User's Guid
Page 3 and 4: Contents 1Introduction What is Scan
Page 5 and 6: 1 Introduction What is ScanWizard P
Page 7 and 8: Preview window Unit of measurement.
Page 9 and 10: About this User’s Guide This manu
Page 11 and 12: English 2 1 1. Start button 2. Prog
Page 13 and 14: 3 Basic Scenarios This section of t
Page 15 and 16: Define output image settings and ac
Page 21 and 22: 3 6 Define output image settings an
Page 23: If you know the printed lpi (lines
Page 27 and 28: English Workflow for Optimizing Ima
Page 29 and 30: English How to Choose the Correct I
Page 31 and 32: English Using the Dynamic Range Too
Page 33 and 34: English Using the White & Black Poi
Page 35 and 36: English Using the Gradation Tool (L
Page 37 and 38: English Using the Color Cast Tool (
Page 39 and 40: English Using the Saturation Curve
Page 41 and 42: English Using the Selective Color T
Page 43 and 44: English Using the Tone Curve Tool O
Page 45 and 46: English Using the Filter Tool Origi
Page 47 and 48: 5 Special Features & Advanced Scena
Page 49 and 50: 4 5 1 3 Kid & Beach City View 2 Spe
Page 51 and 52: 5 3 4 2 6 8 7 Special Features 5-5
Page 53 and 54: 4. If you wish to provide all jobs
Page 55 and 56: 3 6 4 1 5 2 5 7 Special Features 5-
Page 57 and 58: 3 4 5 6 7 2 Special Features 5-11 E
Page 59 and 60: 3 11 Prescan image showing blank (u
Page 61 and 62: 3 7 8 5 2 6 4 Special Features 5-15
Page 63 and 64: English A Color Matching for Advanc
Page 65 and 66: English RGB destination: This featu
Page 67 and 68: English B Available File Formats fo

Microtek ScanWizard Pro User's Guide

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