Upper Lip Raiser vs. Nasolabial Furrow Deepener
How to tell upper lip raiser (AU10) from nasolabial furrow deepener (AU11), two actions easily confused in facial coding, sculpting, and animation.
How to tell upper lip raiser (AU10) from nasolabial furrow deepener (AU11), two actions easily confused in facial coding, sculpting, and animation.
In FACS, there are three main brow actions: inner brow raiser
outer brow raiser, brow lowerer. These actions and their combinations deform our brows into particular patterns, allowing us to identify different expressions.