← Writing · Reviews →

Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

Search results

MPEG-4 Facial Action Parameter(also: MPEG-4 FAP, FAP, Facial Action Parameter)
A standard for 3D face animation defined in ISO/IEC 14496-2 (MPEG-4), which parameterises a face through 68 feature points whose displacements (scaled relative to the character's own facial proportions) encode any facial expression. MPEG-4 FAP is proportion-invariant, so the…

1 result.