A large amount of film grain will often cause rough edges around the foreground object.

Knowing this chord and the foreground object's size, a more precise orbit for the object can be determined.

The tree's leaves represent the most foreground objects.

Some illusions are allowed by convention, like removing foreground objects.

There is also the Border item which surrounds the front of the ship, keeping it from crashing into foreground objects.

It could freeze invisible foreground objects making them visible and tangible.

This technique assumes the foreground object in an image can be separated from the background.

It must contain all foreground objects to extract and as few background as possible.

Values between 0 and 1 indicate a pixel that is partially covered by the foreground object.

The participant observes a scene which shows at least one foreground object against a background.