Blendshape
A parametric facial deformation model that quantifies expression components like smile, brow raise, and eye squint.
Blendshapes decompose facial movement into weighted channels. Smile Tracker uses them alongside landmarks to detect Duchenne activation and score expression authenticity.
See Also
Related Terms
Facial Landmark
A detected point on the face used for geometric measurement — jaw, eyes, nose, mouth, and brow contours.
Duchenne Smile
A genuine smile involving simultaneous activation of the zygomatic major (mouth) and orbicularis oculi (eyes).
Smile Score
Smile Tracker's 0–100 metric rating smile warmth, symmetry, and Duchenne authenticity.
Try our Smile Analyzer, Eye Shape Analyzer, Face Shape Analyzer, or Guess My Age.