The document describes three image manipulation techniques: changing brightness/contrast to make an image darker or lighter, adjusting color balance to add more red, and altering hue/saturation to change the hue to different colors or make colors stronger/weaker and the image lighter or darker.

1. Image Manipulation
Changed Brightness Colour balance- Hue/Saturation-
Original Image
/Contrast Added more red Darker
Brightness/Contrast box, sliders
change image either darker or
lighter
Changed Variations-Added more red
and changed levels to make brighter
Hue/Saturation box, first
slider changes image to
different colours, second
slider changes colour either
stronger or weaker and
bottom slider changes image
either lighter or darker