Autodesk 00126-050008-1620A - Autocad 2006 Essentials User Manual page 92

WiseImage – User's Guide
Sliders of channel histograms
This tab has three triangular sliders on the histogram channels corresponding to the
selected binarization method. These sliders allow you to change the central color
components (grey central level) and the half-length of the range selected from the
Colors field.
If you choose Range by HSV, then sliders next to the Hue channel histogram
appear, the selection of Range by RGB causes the appearance of sliders next to
the Red, Green and Blue histograms. If you choose Range by Grey, then sliders
appear next to the Grey channel histogram.
Threshold tab
The Threshold tab is used for binarization with Threshold by Grey or Threshold by
RGB.
Threshold
Displays the specified threshold values for the current method of threshold
binarization. To modify a value, move the corresponding slider.
Sliders of channel histograms
One triangular slider appears on the channels histogram corresponding to a certain
binarization method. This slider allows you to modify the threshold value of a color
component or grey level.
If you choose Threshold by HSV, then sliders appear next at Red, Green and Blue
histograms. If you choose Range by Grey, then only a slider appears at the
histogram of the Grey channel.
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Threshold tab of the Binarization dialog