Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance

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Champ is a methodology for human image animation that leverages a 3D human parametric model within a latent diffusion framework to enhance shape alignment and motion guidance in current human generative techniques.

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Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance

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Updated:2024/10/02

What is Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance

Champ is a novel methodology for human image animation that leverages a 3D human parametric model within a latent diffusion framework to enhance shape alignment and motion guidance in current human generative techniques.

Key Features of Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance

Champ utilizes the SMPL model as the 3D human parametric model, incorporates rendered depth images, normal maps, and semantic maps, and employs a multi-layer motion fusion module to fuse shape and motion latent representations.

3D Parametric Guidance

Champ uses the SMPL model as the 3D human parametric model to establish a unified representation of body shape and pose.

Latent Diffusion Framework

Champ leverages a latent diffusion framework to enhance shape alignment and motion guidance in current human generative techniques.

Multi-Layer Motion Fusion Module

Champ employs a multi-layer motion fusion module to fuse shape and motion latent representations in the spatial domain.

Self-Attention Mechanisms

Champ integrates self-attention mechanisms to facilitate accurate capture of intricate human geometry and motion characteristics.

Parametric Shape Alignment

Champ performs parametric shape alignment of the human body between the reference image and the source video motion.

Use Cases of Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance

Generate high-quality human animations that accurately capture both pose and shape variations.
Create controllable and temporally coherent visual outputs for various applications.
Improve generalization capabilities on wild datasets for real-world applications.
Enhance shape alignment and motion guidance in current human generative techniques.

Pros and Cons of Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance

Pros

Superior ability to generate high-quality human animations.
Exhibits superior generalization capabilities on wild datasets.
Provides accurate capture of intricate human geometry and motion characteristics.
Facilitates parametric shape alignment of the human body.

Cons

May require significant computational resources for processing.
May require large amounts of training data for optimal performance.
May have limitations in handling complex or dynamic scenes.
May require additional fine-tuning for specific applications.

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How to Use Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance

1
Input a human image and a reference video depicting a motion sequence.
2
Use the SMPL model as the 3D human parametric model to establish a unified representation of body shape and pose.
3
Incorporate rendered depth images, normal maps, and semantic maps obtained from SMPL sequences.
4
Employ a multi-layer motion fusion module to fuse shape and motion latent representations in the spatial domain.

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Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance

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Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance

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What is Champ: Controllable and Consistent Human Image Animation with 3D Parametric Guidance