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Stretch Histogram


Stretch Histogram


Allows to optimize contrast by selecting a lower and upper threshold value of pixel intensity.

Dialog box

The dialog box displays a histogram of pixel intensities. The upper and lower threshold values are represented by vertical red lines.

Histogram dialog

You drag the red lines to the required threshold values.

Click Preview to judge the results.

Click OK to proceed.


Before: After:
Orignal image Image with stretch histogram applied

See also