Zero-1-to-3
Zero-shot One Image to 3D Object

Zero-1-to-3
Free

Home: https://zero123.cs.columbia.edu

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What is Zero-1-to-3?

Zero-1-to-3 introduces a framework capable of altering the camera viewpoint of an object using only a single RGB image. It addresses the challenge of novel view synthesis in this under-constrained scenario by utilizing the geometric understanding inherent in large-scale diffusion models trained on natural images. The core technology is a conditional diffusion model designed to learn control over relative camera viewpoints.

This model, initially trained on a synthetic dataset, learns to generate new images of the same object under specified camera transformations. Despite its synthetic training data, Zero-1-to-3 demonstrates remarkable zero-shot generalization capabilities, performing well on unfamiliar datasets and diverse real-world images, including artistic renderings like paintings. Furthermore, this viewpoint-conditioned diffusion approach can be employed for the task of reconstructing a full 3D model from just one input image.

Features

  • Novel View Synthesis: Generates new images of an object from different camera perspectives based on a single input image.
  • Single Image 3D Reconstruction: Reconstructs the 3D geometry and texture of an object from one image.
  • Zero-Shot Generalization: Applies effectively to out-of-distribution datasets and real-world images without specific retraining.
  • Viewpoint Control: Allows specifying the desired camera transformation to generate the new view.
  • Diffusion Model Based: Leverages the geometric priors learned by large-scale diffusion models.

Use Cases

  • Creating 3D models from single photographs.
  • Generating multiple views of an object for product visualization.
  • Visualizing objects from different angles for design or analysis.
  • Reconstructing 3D scenes or objects from existing 2D images.
  • Generating assets for virtual reality or augmented reality applications.

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