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M-B-P bilabial visemes

We all have asymmetries in our expressions. Many of these asymmetries can be observed during speech. As a specific example: When our lips press together to produce M’s, B’s, and P’s, you’ll commonly see one side of the face (lips, nose, etc.) dragged more than the other. 👄

In this video, observe how the nose and lips are pulled down more dominantly toward the right (screen right):

Leveraging these nuanced (and sometimes not-so-nuanced) idiosyncrasies can be used to create more believable digital humans and animated characters. They can also be used to decode or improve deepfakes.

We all have different degrees and patterns of signature asymmetry. Simple and subtle application of asymmetry can take your animation and 3D characters to the next level.

eyelid crease variation

eyelid crease variation - beyond double lid creases and epicanthal folds

The depth and amount of lid skin in people with upper lid creases is highly variable! This is one of the many reasons eyeliner users can’t approach lining the same way. Got secrets hidden in there.

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chimpanzee vs. human expressions, part II

comparative anatomy - chimpanzee and humans

Chimpanzees and humans have many things in common when it comes to facial expressions and facial structure; however, they also have many significant differences! Below is a series of imagery focusing on an action affected by the prominent brow ridge seen in chimpanzees: brow raiser – a frontalis action. Observe the key differences and similarities.

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chimpanzee vs. human facial expressions, part I

Chimpanzee orbicularis ocuil + brow ridge anatomy diagram

Chimpanzees and humans have many things in common when it comes to facial expressions and facial structure; however, they also have many significant differences! Below is a series of imagery focusing on an action affected by the prominent brow ridge seen in chimpanzees: cheek raiser – an orbicularis oculi (orbital portion) action. Observe the key differences and similarities.

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animation tips for smiles

The tendency to exaggerate lid tightener-like qualities during moments intended to express happiness or sentimentalism results in a look a little too close to the infamous “smizing” expression. Such a look may please Tyra Banks, but this isn’t America’s Next Top Model.

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