## Changing the image brightness

Changing image brightness by moving curve either to the left or right of the diagonal
This image is with the blue enhancement
visible counterpart here

The red enhancement produces this image
visible counterpart here
Since the diagonal in the enhancement represents a linear relationship between temperature and output brightness value, moving the line to the right will subtract a constant quantitiy from each output brightness value and thus will darken the image. On the other hand, moving the line to the left will add a constant quantity to each output brightness value and thus will brighten the image.

Go back one step

Go back to front page