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Data & Analytics
Zero-1-to-3
Zero-1-to-3 logo
Data & Analytics

Zero-1-to-3

Zero-1-to-3 is an open-source AI research model developed by a team from Columbia University and Google Research. It is designed to generate novel 3D views of an object from a single input image. The core innovation is a conditional diffusion model that learns the relative camera viewpoint transformation, allowing it to predict how an object would look from different angles based on just one reference photo. This addresses a fundamental challenge in 3D vision: creating a complete 3D representation from limited 2D data. It is primarily used by researchers, developers, and digital artists working in 3D content creation, augmented reality, and robotics. The model does not produce textured meshes directly but generates multi-view consistent 2D images, which can then be processed by other algorithms like NeRF or Gaussian Splatting to create full 3D assets. Its release has significantly advanced the field of single-image 3D reconstruction by providing a robust, learning-based method for viewpoint synthesis.

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Key Features

Single-Image to Novel View Synthesis

The model takes a single 2D image of an object and generates a photorealistic image of that same object from a different, user-specified camera angle.

Conditional Diffusion Model

Uses a diffusion-based generative AI architecture that is conditioned on both the input image and a relative camera pose, enabling controlled generation of high-quality outputs.

View-Consistent Multi-View Generation

Can generate a sequence of images from multiple viewpoints around the object, which are geometrically consistent with each other.

Open-Source and Extensible

The full codebase, model weights, and training datasets are publicly released, allowing for full transparency, replication, and modification.

Foundation for 3D Asset Creation

Serves as a critical first step in a pipeline that converts 2D images into usable 3D assets for games, VR/AR, and digital twins.

Pricing

Open-Source / Self-Hosted

$0 (model weights)
  • ✓Full access to the model code and pre-trained weights.
  • ✓Freedom to modify, distribute, and use for research and commercial purposes under Apache 2.0.
  • ✓No usage limits imposed by the authors.
  • ✓Requires user to provide their own computational infrastructure (GPU).

Third-Party API Service (Example)

usage-based via API (prices vary by provider)
  • ✓Hosted API endpoint for the model, eliminating local setup.
  • ✓Scalable GPU infrastructure managed by the provider.
  • ✓Pay only for the number of inferences or compute time used.
  • ✓Typically includes documentation and basic API support.

Use Cases

1

Rapid 3D Prototyping for Product Design

Industrial designers and concept artists can take a single sketch or photo of a new product concept and use Zero-1-to-3 to quickly generate a turntable of views. This provides a 3D-like visualization for early-stage reviews and presentations without needing to build a detailed 3D CAD model from scratch, accelerating the iteration cycle and stakeholder feedback.

2

Enhancing E-commerce with 3D Product Views

Online retailers can use the model to create interactive 3D views of products from existing catalog photography. By generating a set of consistent views around an item, they can feed these into a 3D reconstruction tool to create a spin model, improving customer engagement and potentially reducing return rates by giving a better sense of the product's form.

3

Data Augmentation for Robotics and AI Training

Researchers training computer vision models for robotics (like object manipulation or navigation) often need vast amounts of labeled 3D data. Zero-1-to-3 can synthesize novel viewpoints of objects from limited real-world images, creating diverse training data that improves a model's robustness to different perspectives and lighting conditions, reducing data collection costs.

4

Content Creation for Games and Metaverse

Indie game developers and digital artists can transform reference images or concept art into base 3D models. By generating multiple consistent views of a character, prop, or environment asset, they provide the necessary input for photogrammetry-style 3D reconstruction pipelines, speeding up asset production for games, VR experiences, and virtual worlds.

5

Archaeological and Cultural Heritage Documentation

Museums and archaeologists can create digital 3D records of artifacts from historical photographs where only one angle is available. The model can hypothesize the object's appearance from other sides, aiding in digital restoration, scholarly analysis, and the creation of virtual museum exhibits that allow online visitors to examine items from all angles.

How to Use

  1. Step 1: Access the model code and pre-trained weights from the official GitHub repository (linked from the primary website). This requires cloning the repository to a local machine or cloud environment with Python and PyTorch installed.
  2. Step 2: Set up the Python environment by installing all required dependencies listed in the repository's requirements, which typically include PyTorch, torchvision, diffusers, and other supporting libraries.
  3. Step 3: Prepare your input image. The model expects a single RGB image of an object, ideally with a relatively clean background. You may need to pre-process the image to a standard resolution (e.g., 256x256).
  4. Step 4: Run the inference script, specifying the path to your input image and the desired relative camera viewpoint (defined by azimuth and elevation angles) for the novel view you wish to generate.
  5. Step 5: The model outputs a new 2D image rendering of the object from the specified novel viewpoint. You can iterate this process to generate multiple views around the object.
  6. Step 6: To create a full 3D model, feed the set of generated multi-view images into a separate 3D reconstruction pipeline, such as Instant-NGP, COLMAP, or a NeRF implementation, which will produce a 3D mesh or point cloud.
  7. Step 7: For advanced or batch usage, you can modify the code to automate view generation across many angles or integrate the model into a larger application pipeline via its Python API.
  8. Step 8: Explore community forks and hosted demos (like on Hugging Face Spaces) for a more accessible, no-code interface to test the model without local setup.

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