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pix2pixzero committed Feb 7, 2023
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21 changes: 21 additions & 0 deletions LICENSE
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MIT License

Copyright (c) 2023 pix2pixzero

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
41 changes: 41 additions & 0 deletions README.md
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# pix2pix-zero [diffusers]

### [website](https://pix2pixzero.github.io/)

## Code and Demo coming soon


<br>
<div class="gif">
<p align="center">
<img src='assets/main.gif' align="center">
</p>
</div>


Our method, [pix2pix-zero](https://pix2pixzero.github.io/), enables the use of text-to-image diffusion models, such as [Stable Diffusion](https://github.com/CompVis/stable-diffusion), for editing images without the need for finetuning. This is achieved through cross-attention guidance during the sampling process, ensuring adherence of the output image's structure to the input. Additionally, our approach allows for the editing of images through pre-computed edit directions, eliminating the requirement for sentence modifications.

## Results
All our results are based on [stable-diffusion-v1-4](https://github.com/CompVis/stable-diffusion) model. Please the website for more results.

<div>
<p align="center">
<img src='assets/results_teaser.jpg' align="center">
</p>
</div>


## Method Details

Given an input image, we first generate text captions using [BLIP](https://github.com/salesforce/LAVIS) and apply regularized DDIM inversion to obtain our inverted noise map.
Then, we obtain reference cross-attention maps that correspoind to the structure of the input image by denoising, guided with the CLIP embeddings
of our generated text (c). Next, we denoise with edited text embeddings, while enforcing a loss to match current cross-attention maps with the
reference cross-attention maps.

<div>
<p align="center">
<img src='assets/method.jpg' align="center" width=900>
</p>
</div>


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