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Browse files- index.html +475 -18
index.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="description"
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content="Deformable Neural Radiance Fields creates free-viewpoint portraits (nerfies) from casually captured videos.">
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<meta name="keywords" content="Nerfies, D-NeRF, NeRF">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Nerfies: Deformable Neural Radiance Fields</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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<link rel="stylesheet" href="./static/css/bulma.min.css">
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<link rel="stylesheet" href="./static/css/bulma-carousel.min.css">
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<link rel="stylesheet" href="./static/css/bulma-slider.min.css">
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<link rel="stylesheet" href="./static/css/fontawesome.all.min.css">
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<link rel="stylesheet"
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href="https://cdn.jsdelivr.net/gh/jpswalsh/academicons@1/css/academicons.min.css">
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<link rel="stylesheet" href="./static/css/index.css">
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<link rel="icon" href="./static/images/favicon.svg">
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
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<script defer src="./static/js/fontawesome.all.min.js"></script>
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<script src="./static/js/bulma-carousel.min.js"></script>
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<script src="./static/js/bulma-slider.min.js"></script>
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<script src="./static/js/index.js"></script>
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</head>
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<body>
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<nav class="navbar" role="navigation" aria-label="main navigation">
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<div class="navbar-brand">
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<a role="button" class="navbar-burger" aria-label="menu" aria-expanded="false">
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<span aria-hidden="true"></span>
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<span aria-hidden="true"></span>
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<span aria-hidden="true"></span>
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</a>
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</div>
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<div class="navbar-menu">
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<div class="navbar-start" style="flex-grow: 1; justify-content: center;">
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<a class="navbar-item" href="https://keunhong.com">
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<span class="icon">
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<i class="fas fa-home"></i>
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</span>
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</a>
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<div class="navbar-item has-dropdown is-hoverable">
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<a class="navbar-link">
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More Research
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</a>
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<div class="navbar-dropdown">
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<a class="navbar-item" href="https://hypernerf.github.io">
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HyperNeRF
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</a>
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<a class="navbar-item" href="https://nerfies.github.io">
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Nerfies
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</a>
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<a class="navbar-item" href="https://latentfusion.github.io">
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LatentFusion
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</a>
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<a class="navbar-item" href="https://photoshape.github.io">
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PhotoShape
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</a>
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</div>
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</div>
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</div>
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</div>
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</nav>
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<section class="hero">
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<div class="hero-body">
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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">Nerfies: Deformable Neural Radiance Fields</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="https://keunhong.com">Keunhong Park</a><sup>1</sup>,</span>
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<span class="author-block">
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<a href="https://utkarshsinha.com">Utkarsh Sinha</a><sup>2</sup>,</span>
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<span class="author-block">
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<a href="https://jonbarron.info">Jonathan T. Barron</a><sup>2</sup>,
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</span>
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<span class="author-block">
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<a href="http://sofienbouaziz.com">Sofien Bouaziz</a><sup>2</sup>,
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</span>
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<span class="author-block">
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<a href="https://www.danbgoldman.com">Dan B Goldman</a><sup>2</sup>,
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</span>
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<span class="author-block">
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<a href="https://homes.cs.washington.edu/~seitz/">Steven M. Seitz</a><sup>1,2</sup>,
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</span>
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<span class="author-block">
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<a href="http://www.ricardomartinbrualla.com">Ricardo Martin-Brualla</a><sup>2</sup>
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</span>
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</div>
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<div class="is-size-5 publication-authors">
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<span class="author-block"><sup>1</sup>University of Washington,</span>
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<span class="author-block"><sup>2</sup>Google 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/pdf/2011.12948"
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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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</span>
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<span>Paper</span>
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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/2011.12948"
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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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</span>
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<span>arXiv</span>
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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"
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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="fab fa-youtube"></i>
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</span>
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<span>Video</span>
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</a>
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</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"
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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="fab fa-github"></i>
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</span>
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<span>Code</span>
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</a>
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</span>
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<!-- Dataset Link. -->
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<span class="link-block">
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<a href="https://github.com/google/nerfies/releases/tag/0.1"
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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="far fa-images"></i>
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</span>
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<span>Data</span>
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</a>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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</section>
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<section class="hero teaser">
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<div class="container is-max-desktop">
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<div class="hero-body">
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<video id="teaser" autoplay muted loop playsinline height="100%">
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<source src="./static/videos/teaser.mp4"
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type="video/mp4">
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</video>
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<h2 class="subtitle has-text-centered">
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<span class="dnerf">Nerfies</span> turns selfie videos from your phone into
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free-viewpoint
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portraits.
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</h2>
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</div>
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</div>
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</section>
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<section class="hero is-light is-small">
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<div class="hero-body">
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<div class="container">
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<div id="results-carousel" class="carousel results-carousel">
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<div class="item item-steve">
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<video poster="" id="steve" autoplay controls muted loop playsinline height="100%">
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<source src="./static/videos/steve.mp4"
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type="video/mp4">
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</video>
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</div>
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<div class="item item-chair-tp">
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<video poster="" id="chair-tp" autoplay controls muted loop playsinline height="100%">
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<source src="./static/videos/chair-tp.mp4"
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type="video/mp4">
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</video>
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</div>
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<div class="item item-shiba">
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<video poster="" id="shiba" autoplay controls muted loop playsinline height="100%">
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<source src="./static/videos/shiba.mp4"
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type="video/mp4">
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</video>
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</div>
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<div class="item item-fullbody">
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<video poster="" id="fullbody" autoplay controls muted loop playsinline height="100%">
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<source src="./static/videos/fullbody.mp4"
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type="video/mp4">
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</video>
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</div>
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<div class="item item-blueshirt">
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<video poster="" id="blueshirt" autoplay controls muted loop playsinline height="100%">
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<source src="./static/videos/blueshirt.mp4"
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type="video/mp4">
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</video>
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</div>
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<div class="item item-mask">
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<video poster="" id="mask" autoplay controls muted loop playsinline height="100%">
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<source src="./static/videos/mask.mp4"
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type="video/mp4">
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</video>
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</div>
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<div class="item item-coffee">
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<video poster="" id="coffee" autoplay controls muted loop playsinline height="100%">
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<source src="./static/videos/coffee.mp4"
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type="video/mp4">
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</video>
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</div>
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<div class="item item-toby">
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<video poster="" id="toby" autoplay controls muted loop playsinline height="100%">
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<source src="./static/videos/toby2.mp4"
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type="video/mp4">
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</video>
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</div>
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</div>
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</div>
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</div>
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</section>
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<section class="section">
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<div class="container is-max-desktop">
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<!-- Abstract. -->
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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">Abstract</h2>
|
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+
<div class="content has-text-justified">
|
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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.
|
249 |
+
</p>
|
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+
<p>
|
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+
Our approach augments neural radiance fields
|
252 |
+
(NeRF) by optimizing an
|
253 |
+
additional continuous volumetric deformation field that warps each observed point into a
|
254 |
+
canonical 5D NeRF.
|
255 |
+
We observe that these NeRF-like deformation fields are prone to local minima, and
|
256 |
+
propose a coarse-to-fine optimization method for coordinate-based models that allows for
|
257 |
+
more robust optimization.
|
258 |
+
By adapting principles from geometry processing and physical simulation to NeRF-like
|
259 |
+
models, we propose an elastic regularization of the deformation field that further
|
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+
improves robustness.
|
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+
</p>
|
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+
<p>
|
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+
We show that <span class="dnerf">Nerfies</span> can turn casually captured selfie
|
264 |
+
photos/videos into deformable NeRF
|
265 |
+
models that allow for photorealistic renderings of the subject from arbitrary
|
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+
viewpoints, which we dub <i>"nerfies"</i>. We evaluate our method by collecting data
|
267 |
+
using a
|
268 |
+
rig with two mobile phones that take time-synchronized photos, yielding train/validation
|
269 |
+
images of the same pose at different viewpoints. We show that our method faithfully
|
270 |
+
reconstructs non-rigidly deforming scenes and reproduces unseen views with high
|
271 |
+
fidelity.
|
272 |
+
</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">
|
283 |
+
<iframe src="https://www.youtube.com/embed/MrKrnHhk8IA?rel=0&showinfo=0"
|
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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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+
|
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+
<section class="section">
|
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+
<div class="container is-max-desktop">
|
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+
|
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+
<div class="columns is-centered">
|
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+
|
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+
<!-- Visual Effects. -->
|
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+
<div class="column">
|
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+
<div class="content">
|
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+
<h2 class="title is-3">Visual Effects</h2>
|
302 |
+
<p>
|
303 |
+
Using <i>nerfies</i> you can create fun visual effects. This Dolly zoom effect
|
304 |
+
would be impossible without nerfies since it would require going through a wall.
|
305 |
+
</p>
|
306 |
+
<video id="dollyzoom" autoplay controls muted loop playsinline height="100%">
|
307 |
+
<source src="./static/videos/dollyzoom-stacked.mp4"
|
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+
type="video/mp4">
|
309 |
+
</video>
|
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+
</div>
|
311 |
+
</div>
|
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+
<!--/ Visual Effects. -->
|
313 |
+
|
314 |
+
<!-- Matting. -->
|
315 |
+
<div class="column">
|
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+
<h2 class="title is-3">Matting</h2>
|
317 |
+
<div class="columns is-centered">
|
318 |
+
<div class="column content">
|
319 |
+
<p>
|
320 |
+
As a byproduct of our method, we can also solve the matting problem by ignoring
|
321 |
+
samples that fall outside of a bounding box during rendering.
|
322 |
+
</p>
|
323 |
+
<video id="matting-video" controls playsinline height="100%">
|
324 |
+
<source src="./static/videos/matting.mp4"
|
325 |
+
type="video/mp4">
|
326 |
+
</video>
|
327 |
+
</div>
|
328 |
+
|
329 |
+
</div>
|
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+
</div>
|
331 |
+
</div>
|
332 |
+
<!--/ Matting. -->
|
333 |
+
|
334 |
+
<!-- Animation. -->
|
335 |
+
<div class="columns is-centered">
|
336 |
+
<div class="column is-full-width">
|
337 |
+
<h2 class="title is-3">Animation</h2>
|
338 |
+
|
339 |
+
<!-- Interpolating. -->
|
340 |
+
<h3 class="title is-4">Interpolating states</h3>
|
341 |
+
<div class="content has-text-justified">
|
342 |
+
<p>
|
343 |
+
We can also animate the scene by interpolating the deformation latent codes of two input
|
344 |
+
frames. Use the slider here to linearly interpolate between the left frame and the right
|
345 |
+
frame.
|
346 |
+
</p>
|
347 |
+
</div>
|
348 |
+
<div class="columns is-vcentered interpolation-panel">
|
349 |
+
<div class="column is-3 has-text-centered">
|
350 |
+
<img src="./static/images/interpolate_start.jpg"
|
351 |
+
class="interpolation-image"
|
352 |
+
alt="Interpolate start reference image."/>
|
353 |
+
<p>Start Frame</p>
|
354 |
+
</div>
|
355 |
+
<div class="column interpolation-video-column">
|
356 |
+
<div id="interpolation-image-wrapper">
|
357 |
+
Loading...
|
358 |
+
</div>
|
359 |
+
<input class="slider is-fullwidth is-large is-info"
|
360 |
+
id="interpolation-slider"
|
361 |
+
step="1" min="0" max="100" value="0" type="range">
|
362 |
+
</div>
|
363 |
+
<div class="column is-3 has-text-centered">
|
364 |
+
<img src="./static/images/interpolate_end.jpg"
|
365 |
+
class="interpolation-image"
|
366 |
+
alt="Interpolation end reference image."/>
|
367 |
+
<p class="is-bold">End Frame</p>
|
368 |
+
</div>
|
369 |
+
</div>
|
370 |
+
<br/>
|
371 |
+
<!--/ Interpolating. -->
|
372 |
+
|
373 |
+
<!-- Re-rendering. -->
|
374 |
+
<h3 class="title is-4">Re-rendering the input video</h3>
|
375 |
+
<div class="content has-text-justified">
|
376 |
+
<p>
|
377 |
+
Using <span class="dnerf">Nerfies</span>, you can re-render a video from a novel
|
378 |
+
viewpoint such as a stabilized camera by playing back the training deformations.
|
379 |
+
</p>
|
380 |
+
</div>
|
381 |
+
<div class="content has-text-centered">
|
382 |
+
<video id="replay-video"
|
383 |
+
controls
|
384 |
+
muted
|
385 |
+
preload
|
386 |
+
playsinline
|
387 |
+
width="75%">
|
388 |
+
<source src="./static/videos/replay.mp4"
|
389 |
+
type="video/mp4">
|
390 |
+
</video>
|
391 |
+
</div>
|
392 |
+
<!--/ Re-rendering. -->
|
393 |
+
|
394 |
+
</div>
|
395 |
+
</div>
|
396 |
+
<!--/ Animation. -->
|
397 |
+
|
398 |
+
|
399 |
+
<!-- Concurrent Work. -->
|
400 |
+
<div class="columns is-centered">
|
401 |
+
<div class="column is-full-width">
|
402 |
+
<h2 class="title is-3">Related Links</h2>
|
403 |
+
|
404 |
+
<div class="content has-text-justified">
|
405 |
+
<p>
|
406 |
+
There's a lot of excellent work that was introduced around the same time as ours.
|
407 |
+
</p>
|
408 |
+
<p>
|
409 |
+
<a href="https://arxiv.org/abs/2104.09125">Progressive Encoding for Neural Optimization</a> introduces an idea similar to our windowed position encoding for coarse-to-fine optimization.
|
410 |
+
</p>
|
411 |
+
<p>
|
412 |
+
<a href="https://www.albertpumarola.com/research/D-NeRF/index.html">D-NeRF</a> and <a href="https://gvv.mpi-inf.mpg.de/projects/nonrigid_nerf/">NR-NeRF</a>
|
413 |
+
both use deformation fields to model non-rigid scenes.
|
414 |
+
</p>
|
415 |
+
<p>
|
416 |
+
Some works model videos with a NeRF by directly modulating the density, such as <a href="https://video-nerf.github.io/">Video-NeRF</a>, <a href="https://www.cs.cornell.edu/~zl548/NSFF/">NSFF</a>, and <a href="https://neural-3d-video.github.io/">DyNeRF</a>
|
417 |
+
</p>
|
418 |
+
<p>
|
419 |
+
There are probably many more by the time you are reading this. Check out <a href="https://dellaert.github.io/NeRF/">Frank Dellart's survey on recent NeRF papers</a>, and <a href="https://github.com/yenchenlin/awesome-NeRF">Yen-Chen Lin's curated list of NeRF papers</a>.
|
420 |
+
</p>
|
421 |
+
</div>
|
422 |
+
</div>
|
423 |
+
</div>
|
424 |
+
<!--/ Concurrent Work. -->
|
425 |
+
|
426 |
+
</div>
|
427 |
+
</section>
|
428 |
+
|
429 |
+
|
430 |
+
<section class="section" id="BibTeX">
|
431 |
+
<div class="container is-max-desktop content">
|
432 |
+
<h2 class="title">BibTeX</h2>
|
433 |
+
<pre><code>@article{park2021nerfies,
|
434 |
+
author = {Park, Keunhong and Sinha, Utkarsh and Barron, Jonathan T. and Bouaziz, Sofien and Goldman, Dan B and Seitz, Steven M. and Martin-Brualla, Ricardo},
|
435 |
+
title = {Nerfies: Deformable Neural Radiance Fields},
|
436 |
+
journal = {ICCV},
|
437 |
+
year = {2021},
|
438 |
+
}</code></pre>
|
439 |
+
</div>
|
440 |
+
</section>
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+
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