Image Optimization 5-11
Curve
Description To manually enhance or restrain the signal in the certain scale.
Operation Click [Curve] in the menu to open the dialogue box to adjust.
Drag the curve node to increase or decrease the gray scale information: drag
the node up to increase the information and down to decrease.
Ȗ
Description The Ȗ correction is used to correct non-linear distortion of images.
Operation Click [Ȗ] on the image menu to adjust.
The adjusting range is 0-3.
Gray Invert
Description Reverse the polarity of the image.
Operation Click [Gray Invert] to turn on or off the image inversion.
Impacts The gray rejection, curve, Ȗ and gray invert functions are available in real-time
imaging, freeze or cine review status.
These post process adjustment will not influence the cine review.
Gray Map
Description Adjusting grayscale contras to optimize the image.
Operation Select among the maps through the [Gray Map] item in the menu;
You can also adjust through the grayscale bar: move the cursor to the grayscale
bar and press <Set> on the control panel to adjust.
The system provides 8 gray maps to be selected among.
Impacts The function is available in real-time imaging, freeze or cine review status.
Edge Enhance
Description This function is used to increase image profile, so as to distinguish the image
boundary.
Operation Adjust through the [Edge Enhance] item in the menu;
The system provides 14 levels of edge enhance effects, off represents no edge
enhance is turned on, and the bigger the value the stronger the effect.
Impacts Larger edge enhance may lead to noise increasing.
Dynamic Range
Description Adjusts contrast resolution of an image, compresses or expands gray display
range. The real-time dynamic range value is displayed on the image parameter
area in the upper left corner of the screen.
Operation Adjust through the [Dyn Ra.] item in the menu;
Or adjust it in the image parameter area.
The adjusting range is 30-220dB in increments of 5dB.
Effects The more the dynamic range, the more specific the information, and the lower
the contrast with more noise.
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