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Avat3r: Large Animatable Gaussian Reconstruction Model for High-fidelity 3D Head Avatars

★ ★ ★ ★ ☆

Paper Summary

Paperzilla title
Avat3r: Animating 3D Heads from Just a Few Snapshots!

Avat3r creates animatable 3D head avatars from a few images using large reconstruction models and priors from other models like DUSt3R and Sapiens. It simplifies avatar creation by animating heads without needing videos of expressions and handles inconsistencies in input images.

Explain Like I'm Five

This AI can make a talking, moving 3D model of your head from just a few pictures! It uses clever tricks to fill in missing details and even works if you move a little while taking the pictures.

Possible Conflicts of Interest

One author is affiliated with Meta Reality Labs, which could bias the research towards their technologies/interests.

Identified Limitations

Reliance on 3D GAN for single image input
Using a 3D GAN to generate multiple views from a single image introduces inaccuracies and view inconsistencies, impacting final avatar quality.
Requires Camera Poses
Needing camera pose information limits real-world applicability as accurate estimation is challenging without specialized setups.
Lack of Lighting Control
Baking light effects from input images limits placing avatars in new environments realistically, making them look out of place.

Rating Explanation

This paper presents a novel approach with strong results in generating high-quality and animatable avatars from limited input. While limitations regarding single-image input and lighting exist, the core methodology and results are impressive, warranting a good rating.

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File Information

Original Title: Avat3r: Large Animatable Gaussian Reconstruction Model for High-fidelity 3D Head Avatars
Uploaded: September 16, 2025 at 04:24 PM
Privacy: Public