Binarization

Command

Binary
Binarization

Description

Converts an image to a binary image by converting all pixels below a user-selected threshold value to red and those above to white.

Dialog box

The dialog box displays a histogram of graylevels.

Histogram dialog

In the histogram you drag the red line to the required threshold value.

All graylevels below the threshold value will become red (indicating an object), those above white (indicating background).

Click Preview to judge the results.

Click OK to proceed.

Example

Before: After:
Original image Image after binarization