InstantAvatar: Learning Avatars from Monocular Video in 60 Seconds
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Abstract (arXiv)
In this paper, we take a significant step towards real-world applicability of monocular neural avatar reconstruction by contributing InstantAvatar, a system that can reconstruct human avatars from a monocular video within seconds, and these avatars can be animated and rendered at an interactive rate. To achieve this efficiency we propose a carefully designed and engineered system, that leverages emerging acceleration structures for neural fields, in combination with an efficient empty space-skipping strategy for dynamic scenes. We also contribute an efficient implementation that we will make available for research purposes. Compared to existing methods, InstantAvatar converges 130x faster and can be trained in minutes instead of hours. It achieves comparable or even better reconstruction quality and novel pose synthesis results. When given the same time budget, our method significantly outperforms SoTA methods. InstantAvatar can yield acceptable visual quality in as little as 10 seconds training time.
Key facts. Cited by 138 papers in the map (data through 7 Oct 2026). Builds on 64 of its 79 references that are in the map. First posted on arXiv 20 Dec 2022.
Builds on
64 of 79 references.
References · 64
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50 most cited of 64 All 64 (JSON)
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Citing papers per year: 2023: 23; 2024: 48; 2025: 40; 2026: 27.
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- 20233DGS-Avatar: Animatable Avatars via Deformable 3D Gaussian Splattingcited by 195
- 2023GaussianAvatar: Towards Realistic Human Avatar Modeling from a Single Video via Animatable 3D Gaussianscited by 190
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- 2023SIFU: Side-view Conditioned Implicit Function for Real-world Usable Clothed Human Reconstructioncited by 77
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- 2024GoMAvatar: Efficient Animatable Human Modeling from Monocular Video Using Gaussians-on-Meshcited by 51
- 2023PoseVocab: Learning Joint-structured Pose Embeddings for Human Avatar Modelingcited by 50
- 2024Human-3Diffusion: Realistic Avatar Creation via Explicit 3D Consistent Diffusion Modelscited by 44
- 2024GaussianBody: Clothed Human Reconstruction via 3d Gaussian Splattingcited by 36
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- 2023Human101: Training 100+FPS Human Gaussians in 100s from 1 Viewcited by 32
- 2025Vid2Avatar-Pro: Authentic Avatar from Videos in the Wild via Universal Priorcited by 31
- 2024HAHA: Highly Articulated Gaussian Human Avatars with Textured Mesh Priorcited by 30
- 2024Robust Dual Gaussian Splatting for Immersive Human-centric Volumetric Videoscited by 30
- 2023Animatable and Relightable Gaussians for High-fidelity Human Avatar Modelingcited by 27
- 2024ZeroHSI: Zero-Shot 4D Human-Scene Interaction by Video Generationcited by 25
- 2024Morphable Diffusion: 3D-Consistent Diffusion for Single-image Avatar Creationcited by 23
- 2024GVA: Reconstructing Vivid 3D Gaussian Avatars from Monocular Videoscited by 22
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- 2025GUAVA: Generalizable Upper Body 3D Gaussian Avatarcited by 22
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- 2024Guess The Unseen: Dynamic 3D Scene Reconstruction from Partial 2D Glimpsescited by 17
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- 2023Rendering Humans from Object-Occluded Monocular Videoscited by 14
- 2025HumanDreamer-X: Photorealistic Single-image Human Avatars Reconstruction via Gaussian Restorationcited by 13
- 2025PERSONA: Personalized Whole-Body 3D Avatar with Pose-Driven Deformations from a Single Imagecited by 13
- 2023HumanNeRF-SE: A Simple yet Effective Approach to Animate HumanNeRF with Diverse Posescited by 12
- 2024MultiPly: Reconstruction of Multiple People from Monocular Video in the Wildcited by 12
- 2024Surfel-based Gaussian Inverse Rendering for Fast and Relightable Dynamic Human Reconstruction from Monocular Videocited by 12
- 2024DressRecon: Freeform 4D Human Reconstruction from Monocular Videocited by 12
- 2025Real-time High-fidelity Gaussian Human Avatars with Position-based Interpolation of Spatially Distributed MLPscited by 12
- 2024Within the Dynamic Context: Inertia-aware 3D Human Modeling with Pose Sequencecited by 11
- 2025LIFe-GoM: Generalizable Human Rendering with Learned Iterative Feedback Over Multi-Resolution Gaussians-on-Meshcited by 11
- 2025TaoAvatar: Real-Time Lifelike Full-Body Talking Avatars for Augmented Reality via 3D Gaussian Splattingcited by 11
- 2024DEGAS: Detailed Expressions on Full-Body Gaussian Avatarscited by 10
- 2025UP2You: Fast Reconstruction of Yourself from Unconstrained Photo Collectionscited by 10
- 2025Learning-based 3D Reconstruction in Autonomous Driving: A Comprehensive Surveycited by 9
- 2025HumanRAM: Feed-forward Human Reconstruction and Animation Model using Transformerscited by 9
50 most cited of 138 All 138 (JSON)
- 2026PHOSA: Photorealistic 3D Sign Avatar Modeling and Benchmark24 Sep 2026
- 2026Temporal Residual Neural Radiance Fields for Monocular Video Dynamic Human Body Reconstruction4 Sep 2026
- 20264DAnyone: Create Anyone in 4D from a Casual Monocular Video20 Aug 2026
- 2026Scanline-Aware Animatable Gaussian Avatars from Rolling-Shutter Videos18 Aug 2026
- 2026DSAR: Dual-Stream Autoregressive Modeling of Temporal Cloth Dynamics for Photorealistic Animatable Avatars11 Aug 2026
- 2026A Review Of Robotic World Models For Dynamic Environments Based On Factor And Scene Graphs27 Jul 2026
- 2026FlexiAvatar: Unified 3D Gaussian Human Avatars Under Arbitrary Body Visibility21 Jul 2026
- 2026JacobianAvatar: Temporally Consistent Semi-rigid Avatar Reconstruction from a Monocular Video30 Jun 2026
- 2026PIAvatar: Physically Interactive Avatars via Deformation Gradient Decoupling19 Jun 2026
- 2026Flex4DHuman: Flexible Multi-view Video Diffusion for 4D Human Reconstruction11 Jun 2026
- 2026Generator-Refiner-Examiner: A Tri-Module Data Augmentation Framework for 3D Human Avatar Learning from Monocular Videos22 May 2026
- 2026H-Flow: Self-supervised Human Scene Flow via Physics-inspired Joint Multi-modal Learning21 May 2026
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- 2026DAMA: Disentangled Body-Anchored Gaussians for Controllable Multi-Layered Avatars20 May 2026
- 2026HumanSplatHMR: Closing the Loop Between Human Mesh Recovery and Gaussian Splatting Avatar4 May 2026
- 2026High-Fidelity Mobile Avatars with Pruned Local Blendshapes3 May 2026
- 2026Real-Time Human Reconstruction and Animation using Feed-Forward Gaussian Splatting11 Apr 2026
- 2026Visually-grounded Humanoid Agents9 Apr 2026
- 2026Information-Regularized Constrained Inversion for Stable Avatar Editing from Sparse Supervision3 Apr 2026
- 2026Large-scale Codec Avatars: The Unreasonable Effectiveness of Large-scale Avatar Pretraining2 Apr 2026
- 2026Better Rigs, Not Bigger Networks: A Body Model Ablation for Gaussian Avatars1 Apr 2026
- 2026Autoregressive Appearance Prediction for 3D Gaussian Avatars1 Apr 2026
- 2026Gaussian Wardrobe: Compositional 3D Gaussian Avatars for Free-Form Virtual Try-On4 Mar 2026
- 2026WildGHand: Learning Anti-Perturbation Gaussian Hand Avatars from Monocular In-the-Wild Videos24 Feb 2026
- 2026ShapeGaussian: High-Fidelity 4D Human Reconstruction in Monocular Videos via Vision Priors5 Feb 2026
- 2026PoseGaussian: Pose-Driven Novel View Synthesis for Robust 3D Human Reconstruction5 Feb 2026
- 2026JOintGS: Joint Optimization of Cameras, Bodies and 3D Gaussians for In-the-Wild Monocular Reconstruction4 Feb 2026
- 2026VRGaussianAvatar: Integrating 3D Gaussian Avatars into VR2 Feb 2026
- 2025Relightable and Dynamic Gaussian Avatar Reconstruction from Monocular Video10 Dec 2025
- 2025Frequency-Decomposed Avatar Representation for Varying Camera Distances3 Dec 2025
- 2025Dynamic Avatar-Scene Rendering from Human-centric Context13 Nov 2025
- 2025MV-Performer: Taming Video Diffusion Model for Faithful and Synchronized Multi-view Performer Synthesis8 Oct 2025
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- 2025PHD: Personalized 3D Human Body Fitting with Point Diffusion28 Aug 2025
- 2025PERSONA: Personalized Whole-Body 3D Avatar with Pose-Driven Deformations from a Single Image13 Aug 2025
- 2025MonoPartNeRF:Human Reconstruction from Monocular Video via Part-Based Neural Radiance Fields12 Aug 2025
- 2025MonoCloth: Reconstruction and Animation of Cloth-Decoupled Human Avatars from Monocular Videos6 Aug 2025
- 2025ReMu: Reconstructing Multi-layer 3D Clothed Human from Image Layers2 Aug 2025
- 2025MoGA: 3D Generative Avatar Prior for Monocular Gaussian Avatar Reconstruction31 Jul 2025
- 2025EPSilon: Efficient Point Sampling for Lightening of Hybrid-based 3D Avatar Generation18 Jul 2025
- 2025AvatarMakeup: Realistic Makeup Transfer for 3D Animatable Head Avatars3 Jul 2025
- 2025LHM++: An Efficient Large Human Reconstruction Model for Pose-free Images to 3D16 Jun 2025
- 2025Parametric Gaussian Human Model: Generalizable Prior for Efficient and Realistic Human Avatar Modeling7 Jun 2025
- 2025HumanRAM: Feed-forward Human Reconstruction and Animation Model using Transformers3 Jun 2025
- 2025Advances in Radiance Field for Dynamic Scene: From Neural Field to Gaussian Field15 May 2025
- 2025Link to the Past: Temporal Propagation for Fast 3D Human Reconstruction from Monocular Video12 May 2025
- 2025SVAD: From Single Image to 3D Avatar via Synthetic Data Generation with Video Diffusion and Data Augmentation8 May 2025
- 2025GUAVA: Generalizable Upper Body 3D Gaussian Avatar6 May 2025
50 newest of 138 All 138 (JSON)
- 2023SiTH: Single-view Textured Human Reconstruction with Image-Conditioned Diffusioncited by 72
- 2024Human-3Diffusion: Realistic Avatar Creation via Explicit 3D Consistent Diffusion Modelscited by 44
- 2024Morphable Diffusion: 3D-Consistent Diffusion for Single-image Avatar Creationcited by 23
- 2024Gen-3Diffusion: Realistic Image-to-3D Generation via 2D & 3D Diffusion Synergycited by 16
- 2024OccFusion: Rendering Occluded Humans with Generative Diffusion Priorscited by 8
- 2025MoGA: 3D Generative Avatar Prior for Monocular Gaussian Avatar Reconstructioncited by 8
- 2025MV-Performer: Taming Video Diffusion Model for Faithful and Synchronized Multi-view Performer Synthesiscited by 4
- 2025AvatarMakeup: Realistic Makeup Transfer for 3D Animatable Head Avatarscited by 3
- 2025SVAD: From Single Image to 3D Avatar via Synthetic Data Generation with Video Diffusion and Data Augmentationcited by 2
- 2024SOAR: Self-Occluded Avatar Recovery from a Single Video In the Wildcited by 1
- 2026Flex4DHuman: Flexible Multi-view Video Diffusion for 4D Human Reconstructioncited by 0
- 2026Flex4DHuman: Flexible Multi-view Video Diffusion for 4D Human Reconstruction11 Jun 2026
- 2025MV-Performer: Taming Video Diffusion Model for Faithful and Synchronized Multi-view Performer Synthesis8 Oct 2025
- 2025MoGA: 3D Generative Avatar Prior for Monocular Gaussian Avatar Reconstruction31 Jul 2025
- 2025AvatarMakeup: Realistic Makeup Transfer for 3D Animatable Head Avatars3 Jul 2025
- 2025SVAD: From Single Image to 3D Avatar via Synthetic Data Generation with Video Diffusion and Data Augmentation8 May 2025
- 2024Gen-3Diffusion: Realistic Image-to-3D Generation via 2D & 3D Diffusion Synergy9 Dec 2024
- 2024SOAR: Self-Occluded Avatar Recovery from a Single Video In the Wild31 Oct 2024
- 2024OccFusion: Rendering Occluded Humans with Generative Diffusion Priors29 Jun 2024
- 2024Human-3Diffusion: Realistic Avatar Creation via Explicit 3D Consistent Diffusion Models12 Jun 2024
- 2024Morphable Diffusion: 3D-Consistent Diffusion for Single-image Avatar Creation9 Jan 2024
- 2023SiTH: Single-view Textured Human Reconstruction with Image-Conditioned Diffusion27 Nov 2023
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- 2023GaussianAvatar: Towards Realistic Human Avatar Modeling from a Single Video via Animatable 3D Gaussianscited by 190
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- 2023GauHuman: Articulated Gaussian Splatting from Monocular Human Videoscited by 168
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- 2023GART: Gaussian Articulated Template Modelscited by 121
- 2023ASH: Animatable Gaussian Splats for Efficient and Photoreal Human Renderingcited by 104
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12 most cited of 126 All 126 (JSON)
- 2026PHOSA: Photorealistic 3D Sign Avatar Modeling and Benchmark24 Sep 2026
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- 2026Scanline-Aware Animatable Gaussian Avatars from Rolling-Shutter Videos18 Aug 2026
- 2026DSAR: Dual-Stream Autoregressive Modeling of Temporal Cloth Dynamics for Photorealistic Animatable Avatars11 Aug 2026
- 2026A Review Of Robotic World Models For Dynamic Environments Based On Factor And Scene Graphs27 Jul 2026
- 2026FlexiAvatar: Unified 3D Gaussian Human Avatars Under Arbitrary Body Visibility21 Jul 2026
- 2026JacobianAvatar: Temporally Consistent Semi-rigid Avatar Reconstruction from a Monocular Video30 Jun 2026
- 2026PIAvatar: Physically Interactive Avatars via Deformation Gradient Decoupling19 Jun 2026
- 2026Generator-Refiner-Examiner: A Tri-Module Data Augmentation Framework for 3D Human Avatar Learning from Monocular Videos22 May 2026
- 2026H-Flow: Self-supervised Human Scene Flow via Physics-inspired Joint Multi-modal Learning21 May 2026
- 2026DAMA: Disentangled Body-Anchored Gaussians for Controllable Multi-Layered Avatars20 May 2026
12 newest of 126 All 126 (JSON)