Humain

Research & Development – Rosenberg: High Resolution FACS Scans

The Facial Action Coding System (FACS) is a comprehensive, anatomically based system for describing all visually discernible facial movement. It breaks down facial expressions into individual components of muscle movement, called Action Units (AUs).

This confidential database of Action Units was performed by Dr. Erika Rosenberg, the world renowned expert in FACS and protégé of Paul Ekman its senior author. Dr. Rosenberg has taught FACS to psychologists, behavioural scientists, and animators for the past 30 years. During this period, she has gained the ability to pose each Action Unit and their common combinations to a very high fidelity.

The original photogrammetry was captured at Gentle Giant Studios in Burbank, California, USA. A 145 x 36MP Nikon camera array with prime lenses was used to capture this very high resolution database.

Database processing:
The 145 colour calibrated images were generated into a 3D model with Agisoft Photoscan. Each 50 million polygonal model was stabilised and wrapped with a unique topology using tools written by the Humain team. Zbrush was used to remove extraneous hair on eyebrows and eyelashes. Each wrap was meticulously cleaned under the supervision of Dr. Rosenberg for authentic reproduction of each Action Unit and their common combinations.

Humain uses this database to retarget Action Units to other characters.

#Action Unit
#Action Unit
1au_02_t2
2au_02d_t1
3au_0_t1
4au_0_t2
5au_0dv2_t1
6au_0d_t1
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9au_1-2-4-5-20-25_t1
10au_1-2-4-5_t1
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20au_10-12-25_t1
21au_10-14_t1
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130au_r14-18_t1
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133au_r46_t1
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135exp_allteeth_t1
136exp_angryell_t1
137exp_facescrunch_t1
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139ph_ah_t1
140ph_ch_t1
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151ph_s_t1
152ph_th_t1