Autodesk 00126-050008-1620A - Autocad 2006 Essentials User Manual page 4

WiseImage- User's Guide
Unloading and Reloading Raster Images..................................................... 29
Saving Raster Images ................................................................................ 30
Using AutoCAD Clipping Boundary when Selecting a Part of an Image ........ 30
Importing Spotlight Workspaces...................................................................... 31
Undoing and Redoing Changes ...................................................................... 31
Saving AutoCAD drawings when working with WiseImage............................... 31
Customizing the Program Parameters............................................................. 32
Calibration Entity Settings Section............................................................... 33
Colors Section............................................................................................ 33
Preview Style Section................................................................................. 34
Papers Section........................................................................................... 34
Standard directories Section ....................................................................... 36
Autocorrect Section .................................................................................... 36
Default Raster Properties Section ............................................................... 37
OCR .......................................................................................................... 37
Additional Settings Section ......................................................................... 37
AutoCAD Drawing Closing with WiseImage..................................................... 39
4 Operations with Images................................................... 41
Changing Size................................................................................................ 42
Adjustment to a Standard Format................................................................ 43
Adding margins .......................................................................................... 44
Modifying Size and Resolution........................................................................ 44
Cropping........................................................................................................ 46
Mirroring ........................................................................................................ 48
Rotation ......................................................................................................... 48
Deskewing ..................................................................................................... 49
Auto Correction .............................................................................................. 51
Four-Point Correction (Framing) ..................................................................... 51
5 Calibrating Raster Images............................................... 55
Terms ............................................................................................................ 55
Calibration Dialog Box .................................................................................... 56
Creating a set of Calibration Pairs................................................................... 58
Selecting Calibration Pairs.............................................................................. 61
Defining the Measured Points on the screen ................................................... 61
Modifying Calibration Pairs with Dialog............................................................ 61
Deleting Calibration Pairs ............................................................................... 62
Resetting Calibration Pairs ............................................................................. 63
Choosing Calibration Method.......................................................................... 63
Estimating Calibration Accuracy...................................................................... 65
Example of an Image Calibration ................................................................ 66
6 Color Correction and Color Filtration............................. 71
Conversion to RGB, grayscale and 8-bit indexed............................................. 71
Selecting Images for Color Correction and Filtration ........................................ 75
Modifying image brightness, contrast, hue, and saturation ............................... 75
Correction by Histogram ................................................................................. 76
Gamma Correction......................................................................................... 78
2