Machine Heart

Apr 8, 2026 · Artificial Intelligence

Beyond Simple Motions: How SentiAvatar Redefines 3D Digital Human Action Generation

SentiAvatar introduces a two‑stage plan‑then‑infill framework that separates sentence‑level semantic planning from frame‑level prosody‑driven motion infill, leveraging a 200K‑sequence Motion Foundation Model and the newly released 21k‑clip SuSuInterActs dataset to achieve state‑of‑the‑art, real‑time expressive 3D digital human animation.