•Adaptive Thresholding (ATP): separates the foreground information in an image (i.e., text, graphics, lines, etc.) from the background information (i.e., white or
Brightness — changes the amount of white in the color and grayscale image. Use the slider to select a value from 0 to 255. The default is 90.
Brightness: 50 | Brightness: 127 |
Contrast adjusts the difference between black and white, thereby making an image sharper or softer.
The difference between black and white is small with a low contrast setting, so the image is softer. With a high contrast setting, the difference between black and white is large, so the image is clearer. Select a contrast value from 1 to 100. The default is 50.
101 |
