# EDGAR: Efficient Diffusion-Driven Gaussian Avatar Refinement via Synthetic Failure > Source: > Published: 2026-11-06 04:00:36+00:00 Recent advances in Gaussian splatting have enabled efficient and photorealistic head avatar reconstruction, yet monocular video-based or image-based methods still suffer from under-constrained geometry and texture, leading to artifacts such as blurring, stretching, and temporal instability. We prese