Siril provides a "Background Extraction" tool in order to remove the gradient of the sky background.

The background and foreground may form, for example, a high-quality complex three-dimensional computer-generated scene.

The ink is substantially the same color as the imaging element background and remains substantially hidden until the imaging element background changes color when heated.

Failure of the test is indicated by the presence of any of the laser beam light reflecting from the background.

The foreground extraction stage classifies each pixel of a received frame as representing either foreground or background.

The Royal Observatory is visible in the background..

In the background, a stadium and the Acropolis of Athens

The back side of the tag is made from acrylic as well.

In the background, a stadium and the Acropolis of Athens.

On the back of the photograph there is a poem written in Dutch.

When the user does this, the window remains open but is kept offscreen.

Week 6 - Harmonizing foreground and background elements.

In the centre of the background, the famous Olympic tower.

They are generally fixed at the back of the aquarium.

Australian sailors with a Bathurst-class corvette in the background.