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Urban Dynamic Scene 3D Gaussians — Poster

A conference poster presenting a method for dynamic scene representation in urban areas using 3D Gaussians and neural fields, addressing limitations of static 3D Gaussian Splatting.

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Paper title: Dynamic 3D Gaussian Fields for Urban Areas Abstract: A conference poster presenting a method for dynamic scene representation in urban areas using 3D Gaussians and neural fields, addressing limitations of static 3D Gaussian Splatting. Paper body (method & results): <!DOCTYPE html> <html lang="en"> <head> <meta content="text/html; charset=utf-8" http-equiv="content-type"/> <title>Dynamic 3D Gaussian Fields for Urban Areas</title> <!--Generated on Wed Jun 5 10:21:42 2024 by LaTeXML (version 0.8.8) http://dlmf.nist.gov/LaTeXML/.--> <meta content="width=device-width, initial-scale=1, shrink-to-fit=no" name="viewport"/> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet" type="text/css"/> <link href="/static/browse/0.3.4/css/ar5iv.0.7.9.min.css" rel="stylesheet" type="text/css"/> <link href="/static/browse/0.3.4/css/ar5iv-fonts.0.7.9.min.css" rel="stylesheet" type="text/css"/> <link href="/static/browse/0.3.4/css/latexml_styles.css" rel="stylesheet" type="text/css"/> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.3.3/html2canvas.min.js"></script> <script src="/static/browse/0.3.4/js/addons_new.js"></script> <script src="/static/browse/0.3.4/js/feedbackOverlay.js"></script> <base href="/html/2406.03175v1/"/></head> <body> <nav class="ltx_page_navbar"> <nav class="ltx_TOC"> <ol class="ltx_toclist"> <li class="ltx_tocentry ltx_tocentry_section"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S1" title="In Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">1 </span>Introduction</span></a></li> <li class="ltx_tocentry ltx_tocentry_section"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S2" title="In Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">2 </span>Related Work</span></a></li> <li class="ltx_tocentry ltx_tocentry_section"> <a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S3" title="In Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">3 </span>Method</span></a> <ol class="ltx_toclist ltx_toclist_section"> <li class="ltx_tocentry ltx_tocentry_subsection"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S3.SS1" title="In 3 Method ‣ Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">3.1 </span>Problem setup</span></a></li> <li class="ltx_tocentry ltx_tocentry_subsection"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S3.SS2" title="In 3 Method ‣ Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">3.2 </span>Representation</span></a></li> <li class="ltx_tocentry ltx_tocentry_subsection"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S3.SS3" title="In 3 Method ‣ Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">3.3 </span>Composition and Rendering</span></a></li> <li class="ltx_tocentry ltx_tocentry_subsection"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S3.SS4" title="In 3 Method ‣ Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">3.4 </span>Optimization</span></a></li> </ol> </li> <li class="ltx_tocentry ltx_tocentry_section"> <a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S4" title="In Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">4 </span>Experiments</span></a> <ol class="ltx_toclist ltx_toclist_section"> <li class="ltx_tocentry ltx_tocentry_subsection"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S4.SS1" title="In 4 Experiments ‣ Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">4.1 </span>Comparison to State-of-the-Art</span></a></li> <li class="ltx_tocentry ltx_tocentry_subsection"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S4.SS2" title="In 4 Experiments ‣ Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">4.2 </span>Ablation Studies</span></a></li> </ol> </li> <li class="ltx_tocentry ltx_tocentry_section"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S5" title="In Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">5 </span>Conclusion</span></a></li> <li class="ltx_tocentry ltx_tocentry_section"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#S6" title="In Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">6 </span>Acknowledgements</span></a></li> <li class="ltx_tocentry ltx_tocentry_appendix"> <a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#A1" title="In Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">A </span>Appendix</span></a> <ol class="ltx_toclist ltx_toclist_appendix"> <li class="ltx_tocentry ltx_tocentry_subsection"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#A1.SS1" title="In Appendix A Appendix ‣ Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">A.1 </span>Demonstration Video</span></a></li> <li class="ltx_tocentry ltx_tocentry_subsection"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#A1.SS2" title="In Appendix A Appendix ‣ Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">A.2 </span>Method</span></a></li> <li class="ltx_tocentry ltx_tocentry_subsection"><a class="ltx_ref" href="https://arxiv.org/html/2406.03175v1#A1.SS3" title="In Appendix A Appendix ‣ Dynamic 3D Gaussian Fields for Urban Areas"><span class="ltx_text ltx_ref_title"><span class="ltx_tag ltx_tag_ref">A.3 </span>Experiments</span></a></li> </ol> </li> </ol></nav> </nav> <div class="ltx_page_main"> <div class="ltx_page_content"> <article class="ltx_document ltx_authors_1line" lang="en"> <h1 class="ltx_title ltx_title_document">Dynamic 3D Gaussian Fields for Urban Areas</h1> <div class="ltx_authors"> <span class="ltx_creator ltx_role_author"> <span class="ltx_personname">Tobias Fischer<sup class="ltx_sup" id="id11.10.id1"><span class="ltx_text ltx_font_italic" id="id11.10.id1.1">1</span></sup>   Jonas Kulhanek<sup class="ltx_sup" id="id12.11.id2"><span class="ltx_text ltx_font_italic" id="id12.11.id2.1">1,3</span></sup>   Samuel Rota Bulò<sup class="ltx_sup" id="id13.12.id3"><span class="ltx_text ltx_font_italic" id="id13.12.id3.1">2</span></sup>   Lorenzo Porzi<sup class="ltx_sup" id="id14.13.id4"><span class="ltx_text ltx_font_italic" id="id14.13.id4.1">2</span></sup>    <br class="ltx_break"/><span class="ltx_text ltx_font_bold" id="id5.5.1">Marc Pollefeys<sup class="ltx_sup" id="id5.5.1.1"><span class="ltx_text ltx_font_medium ltx_font_italic" id="id5.5.1.1.1">1</span></sup></span>   <span class="ltx_text ltx_font_bold" id="id6.6.2">Peter Kontschieder<sup class="ltx_sup" id="id6.6.2.1"><span class="ltx_text ltx_font_medium ltx_font_italic" id="id6.6.2.1.1">2</span></sup></span> <br class="ltx_break"/> <sup class="ltx_sup" id="id15.14.id5"><span class="ltx_text ltx_font_italic" id="id15.14.id5.1">1</span></sup> ETH Zürich  <sup class="ltx_sup" id="id16.15.id6"><span class="ltx_text ltx_font_italic" id="id16.15.id6.1">2</span></sup> Meta Reality Labs  <sup class="ltx_sup" id="id17.16.id7"><span class="ltx_text ltx_font_italic" id="id17.16.id7.1">3</span></sup> CTU Prague <br class="ltx_break"/><a class="ltx_ref ltx_url ltx_font_typewriter" href="https://tobiasfshr.github.io/pub/4dgf/" style="font-size:90%;" title="">https://tobiasfshr.github.io/pub/4dgf/</a><span class="ltx_text" id="id18.17.id8" style="font-size:90%;"> </span> </span></span> </div> <div class="ltx_abstract"> <h6 class="ltx_title ltx_title_abstract">Abstract</h6> <p class="ltx_p" id="id10.1"><span class="ltx_text" id="id10.1.1">We present an efficient neural 3D scene representation for novel-view synthesis (NVS) in large-scale, dynamic urban areas. Existing works are not well suited for applications like mixed-reality or closed-loop simulation due to their limited visual quality and non-interactive rendering speeds. Recently, rasterization-based approaches have achieved high-quality NVS at impressive speeds. However, these methods are limited to small-scale, <em class="ltx_emph ltx_font_italic" id="id10.1.1.1">homogeneous</em> data, <em class="ltx_emph ltx_font_italic" id="id10.1.1.2">i.e</em>.<span class="ltx_text" id="id10.1.1.3"></span> they cannot handle severe appearance and geometry variations due to weather, season, and lighting and do not scale to larger, dynamic areas with thousands of images. We propose 4DGF, a neural scene representation that scales to large-scale <em class="ltx_emph ltx_font_italic" id="id10.1.1.4">dynamic</em> urban areas, handles <em class="ltx_emph ltx_font_italic" id="id10.1.1.5">heterogeneous</em> input data, and substantially improves rendering speeds. We use 3D Gaussians as an efficient geometry scaffold while relying on neural fields as a compact and flexible appearance model. We integrate scene dynamics via a scene graph at global scale while modeling articulated motions on a local level via deformations. This decomposed approach enables flexible scene composition suitable for real-world applications. In experiments, we surpass the state-of-the-art by over 3 dB in PSNR and more than <math alttext="200\times" class="ltx_math_unparsed" display="inline" id="id10.1.1.m1.1"><semantics id="id10.1.1.m1.1a"><mrow id="id10.1.1.m1.1b"><mn id="id10.1.1.m1.1.1">200</mn><mo id="id10.1.1.m1.1.2" lspace="0.222em">×</mo></mrow><annotation encoding="application/x-tex" id="id10.1.1.m1.1c">200\times</annotation><annotation encoding="application/x-llamapun" id="id10.1.1.m1.1d">200 ×</annotation></semantics></math> in rendering speed.</span></p> </div> <figure class="ltx_figure" id="S0.F1"><img alt="Refer to caption" class="ltx_graphics ltx_centering ltx_img_landscape" height="308" id="S0.F1.g1" src="x1.png" width="830"/> <figcaption class="ltx_caption ltx_centering"><span class="ltx_tag ltx_tag_figure"><span class="ltx_text" id="S0.F1.9.1.1" style="font-size:90%;">Figure 1</span>: </span><span class="ltx_text ltx_font_bold" id="S0.F1.10.2" style="font-size:90%;">Summary.<span class="ltx_text ltx_font_medium" id="S0.F1.10.2.1"> Given a set of <em class="ltx_emph ltx_font_italic" id="S0.F1.10.2.1.1">heterogeneous</em> input sequences that capture a common geographic area in varying environmental conditions (<em class="ltx_emph ltx_font_italic" id="S0.F1.10.2.1.2">e.g</em>.<span class="ltx_text" id="S0.F1.10.2.1.3"></span> weather, season, and lighting) with distinct dynamic objects (<em class="ltx_emph ltx_font_italic" id="S0.F1.10.2.1.4">e.g</em>.<span cl

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Above I've shared:
(1) the full paper text,
(2) all paper figures labeled by figure number,
(3) the caption for the central poster figure I'm building.

TASK: This is a CONFERENCE POSTER. **NOT** an academic-paper figure.
Style requirements:

  - Multi-section layout with a clear poster structure: large title banner
    at the top with the paper title + author/affiliation strip, then 3-6
    distinct content panels arranged in columns or a grid.
  - Large legible fonts (text must be readable at 2 m viewing distance) —
    headings ≥ 60 pt visual size in the final image.
  - Use colour blocks / panel backgrounds to delineate sections (this is
    what makes it a poster, not a single-figure diagram).
  - Aspect ratio: portrait or landscape rectangle, NOT square.

If your output looks like a standard academic-paper figure (single panel,
no title banner, dense small text, no colour blocks), you've failed the
task. Render the COMPLETE poster, not just the central figure.

Just give me the final poster image.

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