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Related papers: Hybrid Voxel Formats for Efficient Ray Tracing

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When working with three-dimensional data, choice of representation is key. We explore voxel-based models, and present evidence for the viability of voxellated representations in applications including shape modeling and object…

Computer Vision and Pattern Recognition · Computer Science 2016-08-17 Andrew Brock , Theodore Lim , J. M. Ritchie , Nick Weston

4D modeling of human-object interactions is critical for numerous applications. However, efficient volumetric capture and rendering of complex interaction scenarios, especially from sparse inputs, remain challenging. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Yuheng Jiang , Suyi Jiang , Guoxing Sun , Zhuo Su , Kaiwen Guo , Minye Wu , Jingyi Yu , Lan Xu

In this paper, we present a novel data structure, called the Mixture Graph. This data structure allows us to compress, render, and query segmentation histograms. Such histograms arise when building a mipmap of a volume containing…

Graphics · Computer Science 2020-09-08 Khaled Al-Thelaya , Marco Agus , Jens Schneider

When working with astronomical data, metadata is also important. A general-purpose file format for transmission, processing and archiving large datasets should facilitate, among other things, both efficient processing of bulk data and…

Instrumentation and Methods for Astrophysics · Physics 2026-03-17 Mark Taylor

We present a parallel compositing algorithm for Volumetric Depth Images (VDIs) of large three-dimensional volume data. Large distributed volume data are routinely produced in both numerical simulations and experiments, yet it remains…

Volumetric video based on Neural Radiance Field (NeRF) holds vast potential for various 3D applications, but its substantial data volume poses significant challenges for compression and transmission. Current NeRF compression lacks the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Zihan Zheng , Houqiang Zhong , Qiang Hu , Xiaoyun Zhang , Li Song , Ya Zhang , Yanfeng Wang

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

High-dimensional images, or images with a high-dimensional attribute vector per pixel, are commonly explored with coordinated views of a low-dimensional embedding of the attribute space and a conventional image representation. Nowadays,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Alexander Vieth , Boudewijn Lelieveldt , Elmar Eisemann , Anna Vilanova , Thomas Höllt

Vision-based 3D semantic scene completion (SSC) describes autonomous driving scenes through 3D volume representations. However, the occlusion of invisible voxels by scene surfaces poses challenges to current SSC methods in hallucinating…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Xiao Zhao , Bo Chen , Mingyang Sun , Dingkang Yang , Youxing Wang , Xukun Zhang , Mingcheng Li , Dongliang Kou , Xiaoyi Wei , Lihua Zhang

Neural Radiance Field (NeRF)-based volumetric video has revolutionized visual media by delivering photorealistic Free-Viewpoint Video (FVV) experiences that provide audiences with unprecedented immersion and interactivity. However, the…

Image and Video Processing · Electrical Eng. & Systems 2024-12-17 Qiang Hu , Houqiang Zhong , Zihan Zheng , Xiaoyun Zhang , Zhengxue Cheng , Li Song , Guangtao Zhai , Yanfeng Wang

We address the issue of the exploding computational requirements of recent State-of-the-art (SOTA) open set multimodel 3D mapping (dense 3D mapping) algorithms and present Voxel-Aggregated Feature Synthesis (VAFS), a novel approach to dense…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Owen Burns , Rizwan Qureshi

It plays a fundamental role to compactly represent the visual information towards the optimization of the ultimate utility in myriad visual data centered applications. With numerous approaches proposed to efficiently compress the texture…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Shurun Wang , Shiqi Wang , Wenhan Yang , Xinfeng Zhang , Shanshe Wang , Siwei Ma , Wen Gao

Neural radiance fields have made a remarkable breakthrough in the novel view synthesis task at the 3D static scene. However, for the 4D circumstance (e.g., dynamic scene), the performance of the existing method is still limited by the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Wanshui Gan , Hongbin Xu , Yi Huang , Shifeng Chen , Naoto Yokoya

Recently, Convolutional Neural Networks have shown promising results for 3D geometry prediction. They can make predictions from very little input data such as a single color image. A major limitation of such approaches is that they only…

Computer Vision and Pattern Recognition · Computer Science 2017-11-08 Christian Häne , Shubham Tulsiani , Jitendra Malik

Despite the impressive progress of telepresence systems for room-scale scenes with static and dynamic scene entities, expanding their capabilities to scenarios with larger dynamic environments beyond a fixed size of a few square-meters…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Leif Van Holland , Patrick Stotko , Stefan Krumpen , Reinhard Klein , Michael Weinmann

We address the problem of 3D object detection, that is, estimating 3D object bounding boxes from point clouds. 3D object detection methods exploit either voxel-based or point-based features to represent 3D objects in a scene. Voxel-based…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Jongyoun Noh , Sanghoon Lee , Bumsub Ham

Neural representations have shown spectacular ability to compress complex signals in a fraction of the raw data size. In 3D computer graphics, the bulk of a scene's memory usage is due to polygons and textures, making them ideal candidates…

While many algorithms exist for tracing various contours for illustrating a meshed object, few algorithms organize these contours into region-bounding closed loops. Tracing closed-loop boundaries on a mesh can be problematic due to…

Graphics · Computer Science 2019-04-23 Kevin Karsch , John C. Hart

Ray tracing is an efficient channel modeling method. However, the traditional ray tracing method has high computation complexity. To solve this problem, an improved bounding volume hierarchies (BVH) algorithm is proposed in this paper.…

Signal Processing · Electrical Eng. & Systems 2022-08-23 Chen Wang , Yinghua Wang , Yuxiao Li , Jialing Huang , Jie Huang , Cheng-Xiang Wang

Harnessing the full potential of visually-rich documents requires retrieval systems that understand not just text, but intricate layouts, a core challenge in Visual Document Retrieval (VDR). The prevailing multi-vector architectures, while…

Computation and Language · Computer Science 2026-03-03 Yibo Yan , Mingdong Ou , Yi Cao , Xin Zou , Shuliang Liu , Jiahao Huo , Yu Huang , James Kwok , Xuming Hu