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5.2 DIGITAL B&W CONVERSION
Following are the steps to
convert black and white image
into colour image:

Step 1: Open the image.
Step 2: Click on the
colors menu -> Desaturate ->

Click on Desaturate.
There are other options also
to convert coloured image into
black and white. But this is the

easiest method. Desaturate
command converts all the
colours of active layer into shades of greys.

5.3 TONE MAPPING WITH ‘COLOURS/EXPOSURE’

Tone mapping is a technique used in image processing and computer graphics. It is used to
map one set of colours into another in order to approximate the high-dynamic range (HDR)
images in a medium of more limited dynamic range.
Following are the steps to use Tone Mapping in GIMP:

Step 1: Click on File -> Open -> Select the image.

Step 2: Click on Colors -> click on Tone Mapping.

There are different image high dynamic ranges (HDR) available.

Advanced GIMP 55