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<h1 class="title is-1 publication-title">
<p style="font-size:xx-large;">
Steering Rectified Flow Models in the Vector Field for Controlled Image Generation</p>
</h1>
<div class="is-size-5 publication-authors">
<span class="author-block">
<a href="https://maitreyapatel.com" style="color:#008AD7;font-weight:normal;">Maitreya
Patel</a>,
</span>
<span class="author-block">
<a href="#" style="color:#f68946; font-weight:normal">Song Wen</a>,
</span>
<span class="author-block">
<a href="https://scholar.google.com/citations?user=a7VNhCIAAAAJ"
style="color:#f68946; font-weight:normal">Dimitris N. Metaxas</a>,
</span>
<span class="author-block">
<a href="https://yezhouyang.engineering.asu.edu/" style="color:#008AD7;font-weight:normal;">Yezhou
Yang</a>
</span>
</div>
<div class="is-size-5 publication-authors">
<span class="author-block"><b style="color:#008AD7; font-weight:normal">▶ </b>Arizona State
University</span>;
<span class="author-block"><b style="color:#f68946; font-weight:normal">▶ </b>Rutgers
University</span>;
</div>
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<span>arXiv</span>
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class="external-link button is-normal is-rounded is-dark">
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<span>Flux.1[dev]</span>
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class="external-link button is-normal is-rounded is-dark">
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<span>InstaFlow (Image Editing)</span>
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<span>InstaFlow (Inpainting / Inverse Problem)</span>
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<section class="hero teaser">
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</video>
</center>
<h2 class="subtitle has-text-centered">
<span class="dnerf"></span>FlowChef steers the trajectory of Rectified Flow Models during inference to
tackle linear inverse problems, image editing,
and classifier guidance.
</h2>
</div>
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<h2 class="title is-3">Abstract</h2>
<div class="content has-text-justified">
<p>
Diffusion models (DMs) excel in photorealism, image editing, and solving inverse problems, aided by
classifier-free guidance and image inversion techniques.
However, rectified flow models (RFMs) remain underexplored for these tasks.
Existing DM-based methods often require additional training, lack generalization to pretrained latent
models, underperform, and demand significant computational resources due to extensive backpropagation
through ODE solvers and inversion processes.
In this work, we first develop a theoretical and empirical understanding of the vector field dynamics of
RFMs in efficiently guiding the denoising trajectory.
Our findings reveal that we can navigate the vector field in a deterministic and gradient-free manner.
Utilizing this property, we propose <b style="font-size: large;"><i>FlowChef</i></b>, which leverages the
vector field to solve controlled image
generation tasks by jumping between nearby trajectories until convergence, facilitated by gradient
skipping.
<b style="font-size: large;"><i>FlowChef</i></b> is a unified framework for controlled image generation
that, for the first time, simultaneously
addresses classifier guidance, linear inverse problems, and image editing without the need for extra
training, inversion, or intensive backpropagation.
Finally, we perform extensive evaluations and show that <b style="font-size: large;"><i>FlowChef</i></b>
significantly outperforms baselines in
terms of performance, memory, and time requirements, achieving new state-of-the-art results.
<!-- <br>
<br>
<img src="./static/images/results.png">
<h4 class="subtitle has-text-centered">
<span class="dnerf"></span>FlowChef steers the trajectory of Rectified Flow Models during inference to
tackle linear inverse problems, image editing,
and classifier guidance.
</h4> -->
</div>
</div>
</div>
<!--/ Abstract. -->
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<div class="column is-four-fifths">
<img src="./static/images/figs/fig4-min.png">
<h2 class="subtitle has-text-centered">
Uncurated images of the original and fingerprinted Stable Diffusion models on MS-COCO and LAION Aesthetics.
Pixel-wise differences are multiplied by a factor of 5 for a better view. </h2>
</div>
</div>
<br>
<div class="columns is-centered has-text-centered">
<div class="column is-four-fifths">
<img src="./static/images/figs/fig5.png">
<h2 class="subtitle has-text-centered">
Robust user attribution against image post-processes. </h2>
</div>
</div> -->
</section>
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<h2 class="title is-3">Method</h2>
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<img src="./static/images/method.png">
<!-- <h2 class="subtitle has-text-centered">
High-level overview of FlowChef.
</h2> -->
<p>
A short intro to the method.
</p>
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<img src="static/images/qualitatives/ip/Picture4.png">
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<img src="static/images/qualitatives/ip/Picture5.png">
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<pre><code>@article{patel2024flowchef,
title={Steering Rectified Flow Models in the Vector Field for Controlled Image Generation},
author={Patel, Maitreya and Wen, Song and Metaxas, Dimitris N. and Yang, Yezhou},
journal={arXiv preprint arXiv:2412.00100},
year={2024}
}</code></pre>
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<a href="https://wouaf.vercel.app/" class="project">
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<h3 class="title is-5">WOUAF</h3>
<p>Weight Modulation for User Attribution and Fingerprinting in T2I Models. </p>
</a>
<a href="https://eclipse-t2i.vercel.app" class="project">
<img src="./static/images/eclipse.png">
<h3 class="title is-5">ECLIPSE</h3>
<p>A Resource-Efficient Text-to-Image Prior for Image Generations</p>
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