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  pip install transformers accelerate -q
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  pip install git+https://github.com/huggingface/diffusers@@shap-ee
 
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  import torch
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  from diffusers import ShapEPipeline
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  from diffusers.utils import export_to_gif
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  ).images
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  gif_path = export_to_gif(images, "shark_3d.gif")
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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+ ---
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+ license: mit
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+ tags:
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+ - text-to-image
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+ - shap-e
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+ - diffusers
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+ pipeline_tag: text-to-3d
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+ ---
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+
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+ # Shap-E
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+
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+ Shap-E introduces a diffusion process that can generate a 3D image from a text prompt. It was introduced in [Shap-E: Generating Conditional 3D Implicit Functions](https://arxiv.org/abs/2305.02463) by Heewoo Jun and Alex Nichol from OpenAI.
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+ Original repository of Shap-E can be found here: https://github.com/openai/shap-e.
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+ _The authors of Shap-E didn't author this model card. They provide a separate model card [here](https://github.com/openai/shap-e/blob/main/model-card.md)._
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+
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+ ## Introduction
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+
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+ The abstract of the Shap-E paper:
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+ *We present Shap-E, a conditional generative model for 3D assets. Unlike recent work on 3D generative models which produce a single output representation, Shap-E directly generates the parameters of implicit functions that can be rendered as both textured meshes and neural radiance fields. We train Shap-E in two stages: first, we train an encoder that deterministically maps 3D assets into the parameters of an implicit function; second, we train a conditional diffusion model on outputs of the encoder. When trained on a large dataset of paired 3D and text data, our resulting models are capable of generating complex and diverse 3D assets in a matter of seconds. When compared to Point-E, an explicit generative model over point clouds, Shap-E converges faster and reaches comparable or better sample quality despite modeling a higher-dimensional, multi-representation output space. We release model weights, inference code, and samples at [this https URL](https://github.com/openai/shap-e).*
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+
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+ ## Released checkpoints
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+
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+ The authors released the following checkpoints:
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+
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+ * [openai/shap-e](https://hf.co/openai/shap-e): produces a 3D image from a text input prompt
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+ * [openai/shap-e-img2img](https://hf.co/openai/shap-e-img2img): samples a 3D image from synthetic 2D image
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+
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+ ## Usage examples in 🧨 diffusers
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+
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+ First make sure you have installed all the dependencies:
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+
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+ ```bash
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  pip install transformers accelerate -q
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  pip install git+https://github.com/huggingface/diffusers@@shap-ee
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+ ```
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+ Once the dependencies are installed, use the code below:
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+
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+ ```python
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  import torch
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  from diffusers import ShapEPipeline
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  from diffusers.utils import export_to_gif
 
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  ).images
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  gif_path = export_to_gif(images, "shark_3d.gif")
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+ ```
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+
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+ ## Results
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+
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+ <table>
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+ <tbody>
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+ <tr>
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+ <td align="center">
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+ <img src="https://huggingface.co/datasets/diffusers/docs-images/resolve/main/shap-e/bird_3d.gif" alt="a bird">
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+ </td>
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+ <td align="center">
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+ <img src="https://huggingface.co/datasets/diffusers/docs-images/resolve/main/shap-e/shark_3d.gif" alt="a shark">
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+ </td align="center">
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+ <td align="center">
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+ <img src="https://huggingface.co/datasets/diffusers/docs-images/resolve/main/shap-e/veg_3d.gif" alt="A bowl of vegetables">
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+ </td>
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+ </tr>
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+ <tr>
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+ <td align="center">A bird</td>
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+ <td align="center">A shark</td>
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+ <td align="center">A bowl of vegetables</td>
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+ </tr>
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+ </tr>
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+ </tbody>
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+ <table>
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+
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+ ## Training details
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+
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+ Refer to the [original paper](https://arxiv.org/abs/2305.02463).
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+
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+ ## Known limitations and potential biases
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+
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+ Refer to the [original model card](https://github.com/openai/shap-e/blob/main/model-card.md).
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+
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+ ## Citation
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+
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+ ```bibtex
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+ @misc{jun2023shape,
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+ title={Shap-E: Generating Conditional 3D Implicit Functions},
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+ author={Heewoo Jun and Alex Nichol},
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+ year={2023},
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+ eprint={2305.02463},
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+ archivePrefix={arXiv},
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+ primaryClass={cs.CV}
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+ }
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+ ```