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Related papers: Representing Volumetric Videos as Dynamic MLP Maps

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We present Panoptic Neural Fields (PNF), an object-aware neural scene representation that decomposes a scene into a set of objects (things) and background (stuff). Each object is represented by an oriented 3D bounding box and a multi-layer…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Abhijit Kundu , Kyle Genova , Xiaoqi Yin , Alireza Fathi , Caroline Pantofaru , Leonidas Guibas , Andrea Tagliasacchi , Frank Dellaert , Thomas Funkhouser

NeRF-based techniques fit wide and deep multi-layer perceptrons (MLPs) to a continuous radiance field that can be rendered from any unseen viewpoint. However, the lack of surface and normals definition and high rendering times limit their…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Stefano Esposito , Daniele Baieri , Stefan Zellmann , André Hinkenjann , Emanuele Rodolà

We show for the first time that a multilayer perceptron (MLP) can serve as the only scene representation in a real-time SLAM system for a handheld RGB-D camera. Our network is trained in live operation without prior data, building a dense,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Edgar Sucar , Shikun Liu , Joseph Ortiz , Andrew J. Davison

Neural scene representations, such as Neural Radiance Fields (NeRF), are based on training a multilayer perceptron (MLP) using a set of color images with known poses. An increasing number of devices now produce RGB-D(color + depth)…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Arnab Dey , Yassine Ahmine , Andrew I. Comport

Inferring representations of 3D scenes from 2D observations is a fundamental problem of computer graphics, computer vision, and artificial intelligence. Emerging 3D-structured neural scene representations are a promising approach to 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Vincent Sitzmann , Semon Rezchikov , William T. Freeman , Joshua B. Tenenbaum , Fredo Durand

Multi-layer perceptrons (MLP) have proven to be effective scene encoders when combined with higher-dimensional projections of the input, commonly referred to as \textit{positional encoding}. However, scenes with a wide frequency spectrum…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Zoe Landgraf , Alexander Sorkine Hornung , Ricardo Silveira Cabral

In this work, we pioneer Semantic Flow, a neural semantic representation of dynamic scenes from monocular videos. In contrast to previous NeRF methods that reconstruct dynamic scenes from the colors and volume densities of individual…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Fengrui Tian , Yueqi Duan , Angtian Wang , Jianfei Guo , Shaoyi Du

We present a novel framework for dynamic radiance field prediction given monocular video streams. Unlike previous methods that primarily focus on predicting future frames, our method goes a step further by generating explicit 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Di Qi , Tong Yang , Beining Wang , Xiangyu Zhang , Wenqiang Zhang

In real-time rendering, a 3D scene is modelled with meshes of triangles that the GPU projects to the screen. They are discretized by sampling each triangle at regular space intervals to generate fragments which are then added texture and…

Hardware Architecture · Computer Science 2022-02-23 Martí Anglada , Enrique de Lucas , Joan-Manuel Parcerisa , Juan L. Aragón , Antonio González

Video compression has always been a popular research area, where many traditional and deep video compression methods have been proposed. These methods typically rely on signal prediction theory to enhance compression performance by…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Lv Tang , Xinfeng Zhang , Gai Zhang , Xiaoqi Ma

Novel view synthesis is a long-standing problem in machine learning and computer vision. Significant progress has recently been made in developing neural scene representations and rendering techniques that synthesize photorealistic images…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Alexander W. Bergman , Petr Kellnhofer , Gordon Wetzstein

With the emergence of neural radiance fields (NeRFs), view synthesis quality has reached an unprecedented level. Compared to traditional mesh-based assets, this volumetric representation is more powerful in expressing scene geometry but…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Yuan-Chen Guo , Yan-Pei Cao , Chen Wang , Yu He , Ying Shan , Xiaohu Qie , Song-Hai Zhang

We propose a novel method to reconstruct the 3D shapes of transparent objects using hand-held captured images under natural light conditions. It combines the advantage of explicit mesh and multi-layer perceptron (MLP) network, a hybrid…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Jiamin Xu , Zihan Zhu , Hujun Bao , Weiwei Xu

Neural radiance fields achieve unprecedented quality for novel view synthesis, but their volumetric formulation remains expensive, requiring a huge number of samples to render high-resolution images. Volumetric encodings are essential to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Zian Wang , Tianchang Shen , Merlin Nimier-David , Nicholas Sharp , Jun Gao , Alexander Keller , Sanja Fidler , Thomas Müller , Zan Gojcic

Capturing and rendering life-like hair is particularly challenging due to its fine geometric structure, the complex physical interaction and its non-trivial visual appearance.Yet, hair is a critical component for believable avatars. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Ziyan Wang , Giljoo Nam , Tuur Stuyck , Stephen Lombardi , Michael Zollhoefer , Jessica Hodgins , Christoph Lassner

Adopting Neural Radiance Fields (NeRF) to long-duration dynamic sequences has been challenging. Existing methods struggle to balance between quality and storage size and encounter difficulties with complex scene changes such as topological…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Minye Wu , Tinne Tuytelaars

Despite the potential of neural scene representations to effectively compress 3D scalar fields at high reconstruction quality, the computational complexity of the training and data reconstruction step using scene representation networks…

Graphics · Computer Science 2022-07-26 Sebastian Weiss , Philipp Hermüller , Rüdiger Westermann

We present a method for fast 3D reconstruction and real-time rendering of dynamic humans from monocular videos with accompanying parametric body fits. Our method can reconstruct a dynamic human in less than 3h using a single GPU, compared…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Ignacio Rocco , Iurii Makarov , Filippos Kokkinos , David Novotny , Benjamin Graham , Natalia Neverova , Andrea Vedaldi

We present Dynamic Neural Portraits, a novel approach to the problem of full-head reenactment. Our method generates photo-realistic video portraits by explicitly controlling head pose, facial expressions and eye gaze. Our proposed…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Michail Christos Doukas , Stylianos Ploumpis , Stefanos Zafeiriou

Volumetric rendering has become central to modern novel view synthesis methods, which use differentiable rendering to optimize 3D scene representations directly from observed views. While many recent works build on NeRF or 3D Gaussians, we…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Nicolas von Lützow , Matthias Nießner