What is Hunyuan3D 2.0
Hunyuan3D 2.0 is a large-scale 3D asset generation system launched by Tencent, focusing on generating high-resolution 3D models from text and images. The system adopts a two-stage generation process: first generating untextured geometry models, then synthesizing high-resolution texture maps. It includes two core components: Hunyuan3D-DiT (geometry generation model) and Hunyuan3D-Paint (texture synthesis model), respectively used to generate precise geometric structures and vivid, realistic textures.
Main Features of Hunyuan3D 2.0
- High-Resolution 3D Model Generation: Through a two-stage generation process, it first generates an untextured geometry model, then synthesizes texture maps for it, effectively separating the complexity of shape and texture generation.
- High-Quality Generation Results: It comprehensively outperforms existing open-source and closed-source models in aspects such as geometric details, condition alignment, and texture quality.
- Diverse Usage Methods: Supports quick experience through code invocation, Gradio applications, Blender plugins, and the official website.
Technical Principles of Hunyuan3D 2.0
- Two-Stage Generation Process: Hunyuan3D 2.0 adopts a two-stage generation strategy: first geometry generation, then texture generation. This decoupled approach effectively separates the complexity of shape and texture generation, while providing flexible texture processing for generated or handcrafted geometry models.
- Geometry Generation Model (Hunyuan3D-DiT): Hunyuan3D-DiT is a flow diffusion-based diffusion model that generates geometry models precisely matching the given condition image. Through Hunyuan3D-ShapeVAE, 3D shapes are encoded into continuous latent codes, and then the diffusion model is trained based on dual-stream and single-stream Transformer architectures.
- Texture Generation Model (Hunyuan3D-Paint): Hunyuan3D-Paint is based on powerful geometry and diffusion priors, generating high-resolution and vivid, realistic texture maps for generated or handcrafted mesh models. Through a multi-view diffusion generation scheme, combined with geometric conditions (such as normal maps and position maps) to generate multi-view images, which are baked into high-resolution textures.
- Performance Optimization: Hunyuan3D 2.0 performs excellently in aspects such as geometric details, condition alignment, and texture quality, surpassing existing open-source and closed-source models. Evaluation results show that it significantly outperforms other baseline models in generation quality.
Open-Source Models of Hunyuan3D 2.0
- Hunyuan3D-2mv : It is a multi-view shape generation model open-sourced by Tencent Hunyuan 3D. The model focuses on generating high-quality 3D geometric shapes through multi-view input, suitable for 3D creation that requires understanding scenes or objects from multiple angles.
- Hunyuan3D-2mini: It is a simplified version of Hunyuan3D-2mv. While retaining core functionality, it optimizes the model's size and computational efficiency, making it more suitable for lightweight applications.
- Hunyuan3D-DiT-v2-0: It is a large-scale geometry generation model used to generate high-fidelity untextured geometry models from images. Built on a flow diffusion-based diffusion model, it can generate geometric shapes precisely matching the input image. The model has 2.6 billion parameters.
- Hunyuan3D-Paint-v2-0: It is a large-scale texture generation model used to generate high-resolution and realistic texture maps for generated geometry models or handcrafted meshes. The model has 1.3 billion parameters.
- Hunyuan3D-Delight-v2-0: It is an image de-lighting model used to convert input images into a de-lighted state, generating illumination-invariant texture maps.
- Hunyuan3D-DiT-v2-0-Fast: It is an accelerated version of the geometry generation model. Through guided distillation technology, it halves the inference time, making it suitable for scenarios with higher requirements for generation speed.
Project address of Hunyuan3D 2.0
- Project official website：3d-models.hunyuan.tencent.com
- Github repository：https://github.com/Tencent/Hunyuan3D-2
- HuggingFace model library：https://huggingface.co/tencent/Hunyuan3D-2
Application scenarios of Hunyuan3D 2.0
- Game development: Hunyuan3D 2.0 can significantly improve the efficiency of game development. Through geometry and texture generation models, it can quickly generate high-quality 3D game assets, such as characters, props, and scenes.
- UGC social and content creation: Hunyuan3D 2.0 supports user-generated content (UGC). Users can quickly generate personalized 3D models, such as personal 3D avatars and virtual gifts, through text descriptions, images, or sketches.
- E-commerce and advertising: In the e-commerce field, Hunyuan3D 2.0 can quickly generate high-precision 3D product models based on product images, for online display and interaction, improving the user experience.
- Industrial manufacturing and design: Hunyuan3D 2.0 can quickly generate 3D industrial product prototypes based on design sketches or concept drawings, for design verification and presentation. The generated models support multiple formats (such as STL, USDZ, etc.) and can seamlessly connect with 3D printing tools.
- Map navigation: Tencent Maps has launched a custom 3D navigation vehicle marker feature based on Hunyuan3D 2.0, increasing creation efficiency by 91%. The feature supports users in generating personalized 3D vehicle markers according to their preferences, enriching the visual experience of map navigation.
- Education and scientific research: Hunyuan3D 2.0 provides open-source models and code, making it convenient for educators and researchers to conduct teaching and research. It can be used to develop educational tools to help students better understand and practice 3D modeling.