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<a href="https://homes.cs.washington.edu/~seitz/" target="_blank">Steven M. Seitz</a><sup>1,2</sup>,
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<a href="http://www.ricardomartinbrualla.com" target="_blank">Ricardo Martin-Brualla</a><sup>2</sup>
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We present the first method capable of photorealistically reconstructing a non-rigidly
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deforming scene using photos/videos captured casually from mobile phones.
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images of the same pose at different viewpoints. We show that our method faithfully
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reconstructs non-rigidly deforming scenes and reproduces unseen views with high
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fidelity.
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<h2 class="title is-3">Visual Effects</h2>
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Using <i>nerfies</i> you can create fun visual effects. This Dolly zoom effect
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would be impossible without nerfies since it would require going through a wall.
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As a byproduct of our method, we can also solve the matting problem by ignoring
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samples that fall outside of a bounding box during rendering.
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We can also animate the scene by interpolating the deformation latent codes of two input
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frames. Use the slider here to linearly interpolate between the left frame and the right
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frame.
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Using <span class="dnerf">Nerfies</span>, you can re-render a video from a novel
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viewpoint such as a stabilized camera by playing back the training deformations.
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<h2 class="title is-3">Related Links</h2>
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There's a lot of excellent work that was introduced around the same time as ours.
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<a href="https://arxiv.org/abs/2104.09125" target="_blank">Progressive Encoding for Neural Optimization</a> introduces an idea similar to our windowed position encoding for coarse-to-fine optimization.
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<p>
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<a href="https://www.albertpumarola.com/research/D-NeRF/index.html" target="_blank">D-NeRF</a> and <a href="https://gvv.mpi-inf.mpg.de/projects/nonrigid_nerf/" target="_blank">NR-NeRF</a>
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both use deformation fields to model non-rigid scenes.
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<p>
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Some works model videos with a NeRF by directly modulating the density, such as <a href="https://video-nerf.github.io/" target="_blank">Video-NeRF</a>, <a href="https://www.cs.cornell.edu/~zl548/NSFF/" target="_blank">NSFF</a>, and <a href="https://neural-3d-video.github.io/" target="_blank">DyNeRF</a>
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<p>
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There are probably many more by the time you are reading this. Check out <a href="https://dellaert.github.io/NeRF/" target="_blank">Frank Dellart's survey on recent NeRF papers</a>, and <a href="https://github.com/yenchenlin/awesome-NeRF" target="_blank">Yen-Chen Lin's curated list of NeRF papers</a>.
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<section class="section" id="BibTeX">
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<div class="container is-max-desktop content">
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<h2 class="title">BibTeX</h2>
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<pre><code>@article{
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author = {
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title = {
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journal = {
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year = {
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}</code></pre>
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</section>
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<meta charset="utf-8">
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<meta name="description"
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content="Demo Page of BEYOND ICML 2024.">
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<meta name="keywords" content="BEYOND, Adversarial Examples, Adversarial Detection">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Be Your Own Neighborhood: Detecting Adversarial Examples by the Neighborhood Relations Built on Self-Supervised Learning</title>
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<link href="https://fonts.googleapis.com/css?family=Google+Sans|Noto+Sans|Castoro"
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rel="stylesheet">
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<div class="container is-max-desktop">
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<div class="columns is-centered">
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<div class="column has-text-centered">
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<h1 class="title is-1 publication-title">Be Your Own Neighborhood: Detecting Adversarial Examples by the Neighborhood Relations Built on Self-Supervised Learning</h1>
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<div class="is-size-5 publication-authors">
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<span class="author-block">
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<a href="#" target="_blank">Zhiyuan He</a><sup>1*</sup>,</span>
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<span class="author-block">
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<a href="https://yangyijune.github.io/" target="_blank">Yijun Yang</a><sup>1*</sup>,</span>
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<span class="author-block">
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<a href="https://sites.google.com/site/pinyuchenpage/home" target="_blank">Pin-Yu Chen</a><sup>2</sup>,
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</span>
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<span class="author-block">
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<a href="https://cure-lab.github.io/" target="_blank">Qiang Xu</a><sup>1</sup>,
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</span>
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<span class="author-block">
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<a href="https://tsungyiho.github.io/" target="_blank">Tsung-Yi Ho</a><sup>1</sup>,
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<div class="is-size-5 publication-authors">
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<span class="author-block"><sup>*</sup>Equal contribution,</span>
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<span class="author-block"><sup>1</sup>The Chinese University of Hong Kong,</span>
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<span class="author-block"><sup>2</sup>IBM Research</span>
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</div>
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<div class="column has-text-centered">
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<div class="publication-links">
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<!-- PDF Link. -->
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<span class="link-block">
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<a href="https://arxiv.org/abs/2209.00005" target="_blank"
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class="external-link button is-normal is-rounded is-dark">
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<span class="icon">
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<i class="fas fa-file-pdf"></i>
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</a>
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</span>
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<span class="link-block">
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<a href="https://arxiv.org/abs/2209.00005" target="_blank"
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class="external-link button is-normal is-rounded is-dark">
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<span class="icon">
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<i class="ai ai-arxiv"></i>
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</a>
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</span>
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<!-- Video Link. -->
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<!-- <span class="link-block">
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<a href="https://www.youtube.com/watch?v=MrKrnHhk8IA" target="_blank"
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<span>Video</span>
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<!-- Code Link. -->
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<!-- <span class="link-block">
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<a href="https://github.com/google/nerfies" target="_blank"
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<video id="teaser" autoplay muted loop playsinline height="100%">
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</h2>
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<section class="section">
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<h2 class="title is-3">Abstract</h2>
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<div class="content has-text-justified">
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<p>
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Deep Neural Networks (DNNs) have achieved excellent performance in various fields. However, DNNs’ vulnerability to
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Adversarial Examples (AE) hinders their deployments to safety-critical applications. In this paper, we present <strong>BEYOND</strong>,
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an innovative AE detection frameworkdesigned for reliable predictions. BEYOND identifies AEs by distinguishing the AE’s
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abnormal relation with its augmented versions, i.e. neighbors, from two prospects: representation similarity and label
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consistency. An off-the-shelf Self-Supervised Learning (SSL) model is used to extract the representation and predict the
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label for its highly informative representation capacity compared to supervised learning models. We found clean samples
|
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+
maintain a high degree of representation similarity and label consistency relative to their neighbors, in contrast to AEs
|
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+
which exhibit significant discrepancies. We explain this obser vation and show that leveraging this discrepancy BEYOND can
|
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+
accurately detect AEs. Additionally, we develop a rigorous justification for the effectiveness of BEYOND. Furthermore, as a
|
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plug-and-play model, BEYOND can easily cooperate with the Adversarial Trained Classifier (ATC), achieving state-of-the-art
|
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(SOTA) robustness accuracy. Experimental results show that BEYOND outperforms baselines by a large margin, especially under
|
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+
adaptive attacks. Empowered by the robust relationship built on SSL, we found that BEYOND outperforms baselines in terms
|
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+
of both detection ability and speed
|
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+
</p>
|
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+
<!-- <p>
|
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We present the first method capable of photorealistically reconstructing a non-rigidly
|
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deforming scene using photos/videos captured casually from mobile phones.
|
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</p>
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|
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images of the same pose at different viewpoints. We show that our method faithfully
|
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reconstructs non-rigidly deforming scenes and reproduces unseen views with high
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fidelity.
|
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+
</p> -->
|
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</div>
|
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</div>
|
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</div>
|
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<!--/ Abstract. -->
|
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|
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<!-- Paper video. -->
|
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+
<!-- <div class="columns is-centered has-text-centered">
|
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<div class="column is-four-fifths">
|
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<h2 class="title is-3">Video</h2>
|
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<div class="publication-video">
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|
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frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>
|
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</div>
|
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</div>
|
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+
</div> -->
|
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<!--/ Paper video. -->
|
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</div>
|
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</section>
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|
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<section class="section" id="BibTeX">
|
255 |
<div class="container is-max-desktop content">
|
256 |
<h2 class="title">BibTeX</h2>
|
257 |
+
<pre><code>@article{he2024beyond,
|
258 |
+
author = {He, Zhiyuan and Yijun, YANG and Chen, Pin-Yu and Xu, Qiang and Ho, Tsung-Yi},
|
259 |
+
title = {Be your own neighborhood: Detecting adversarial example by the neighborhood relations built on self-supervised learning},
|
260 |
+
journal = {ICML},
|
261 |
+
year = {2024},
|
262 |
}</code></pre>
|
263 |
</div>
|
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</section>
|