Threshold adjustment

Create a two-tone, black and white image from greyscale or colour images based on a pixel intensity threshold.

Any pixels lighter than the threshold are converted to white; any pixels darker than the threshold are converted to black.

The following settings can be adjusted in the dialog:

Threshold—controls the transition point between pixels being converted to black or white. Drag the slider to the left to convert more pixels to white, drag the slider to the right to convert more pixels to black.