Image Access bookeye 3 User Manual

Operation Manual Page 35
Image Sharpness
The Image Sharpness slider invokes an advanced algorithm which sharpens the image
according to the local content of a given area.
Exposure
The Exposure function sets the threshold value for the black cut function or for the auto
exposure function.
Picture 21: Black Threshold slider
No disables the exposure function.
When Black Cut or Auto is selected an additional slider is displayed.
Black Cut
0 (zero) to 100
Sets the threshold for black. All pixel values found in the image below
the selected value are set to black.
Result: The image contrast is improved.
Auto
0 (zero) to 100
Sets the threshold for black and activates the automatic exposure
control.
This function searches the image for the highest and the lowest pixel
value. The highest pixel value is defined as “white”. Is the lowest pixel
value higher than the threshold it is defined as “black”. Otherwi
se all
values below the threshold are defined as “black”.
Result: Automatic contrast control and the image contrast is improved.
Note: The Exposure function is not displayed in the color modes Binary and Photo.

Image Access bookeye 3 Specifications

General

Brand	Image Access
Model	bookeye 3
Category	Scanner
Language	English