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Virtual content creation and interaction play an important role in modern 3D applications such as AR and VR. Recovering detailed 3D models from real scenes can significantly expand the scope of its applications and has been studied for…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Hai Li , Xingrui Yang , Hongjia Zhai , Yuqian Liu , Hujun Bao , Guofeng Zhang

In this work, we present a dense tracking and mapping system named Vox-Fusion, which seamlessly fuses neural implicit representations with traditional volumetric fusion methods. Our approach is inspired by the recently developed implicit…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Xingrui Yang , Hai Li , Hongjia Zhai , Yuhang Ming , Yuqian Liu , Guofeng Zhang

Tomographic imaging is useful for revealing the internal structure of a 3D sample. Classical reconstruction methods treat the object of interest as a vector to estimate its value. Such an approach, however, can be inefficient in analyzing…

应用统计 · 统计学 2022-04-06 Sanket R. Jantre , Zichao Wendy Di

Adaptive Mesh Refinement (AMR) is becoming a prevalent data representation for scientific visualization. Resulting from large fluid mechanics simulations, the data is usually cell centric, imposing a number of challenges for high quality…

图形学 · 计算机科学 2023-12-05 Stefan Zellmann , Qi Wu , Alper Sahistan , Kwan-Liu Ma , Ingo Wald

Meshing complex engineering domains is a challenging task. Arbitrary polyhedral meshes can provide the much needed flexibility in automated discretization of such domains. The geometric property of the polyhedral meshes such as the…

最优化与控制 · 数学 2015-07-22 Arun L. Gain , Glaucio H. Paulino , Leonardo Duarte , Ivan F. M. Menezes

Real-time 3D mapping is a critical component in many important applications today including robotics, AR/VR, and 3D visualization. 3D mapping involves continuously fusing depth maps obtained from depth sensors in phones, robots, and…

硬件体系结构 · 计算机科学 2022-10-18 Sankeerth Durvasula , Raymond Kiguru , Samarth Mathur , Jenny Xu , Jimmy Lin , Nandita Vijaykumar

Volumetric rendering of Computed Tomography (CT) scans is crucial for visualizing complex 3D anatomical structures in medical imaging. Current high-fidelity approaches, especially neural rendering techniques, require time-consuming…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Zhongpai Gao , Meng Zheng , Benjamin Planche , Anwesa Choudhuri , Terrence Chen , Ziyan Wu

In this paper, we introduce Vox-Fusion++, a multi-maps-based robust dense tracking and mapping system that seamlessly fuses neural implicit representations with traditional volumetric fusion techniques. Building upon the concept of implicit…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Hongjia Zhai , Hai Li , Xingrui Yang , Gan Huang , Yuhang Ming , Hujun Bao , Guofeng Zhang

X-ray computed tomography is a commonly used technique for noninvasive imaging at synchrotron facilities. Iterative tomographic reconstruction algorithms are often preferred for recovering high quality 3D volumetric images from 2D X-ray…

分布式、并行与集群计算 · 计算机科学 2020-09-16 Mert Hidayetoglu , Tekin Bicer , Simon Garcia de Gonzalo , Bin Ren , Vincent De Andrade , Doga Gursoy , Raj Kettimuthu , Ian T. Foster , Wen-mei W. Hwu

Recovering high-resolution structural and compositional information from coherent X-ray measurements involves solving coupled, nonlinear, and ill-posed inverse problems. Ptychography reconstructs a complex transmission function from…

数值分析 · 数学 2026-05-13 Chengru Eric Zou , Elle Buser , Zichao Wendy Di , Yuanzhe Xi

Recently deep residual learning with residual units for training very deep neural networks advanced the state-of-the-art performance on 2D image recognition tasks, e.g., object detection and segmentation. However, how to fully leverage…

计算机视觉与模式识别 · 计算机科学 2016-08-23 Hao Chen , Qi Dou , Lequan Yu , Pheng-Ann Heng

X-ray tomography is a powerful volumetric imaging technique, but detailed three dimensional (3D) imaging requires the acquisition of a large number of individual X-ray images, which is time consuming. For applications where spatial…

图像与视频处理 · 电气工程与系统科学 2023-02-28 Zhenduo Shang , Thomas Blumensath

Industrial 3D face assets creation typically reconstructs topology-consistent face meshes from multi-view images for downstream production. However, high-quality reconstruction usually requires manual processing or specific capture…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Yating Wang , Ran Yi , Xiaoning Lei , Ke Fan , Jinkun Hao , Lizhuang Ma

In this paper, we present an approach to reconstruct 3-D human motion from multi-cameras and track human skeleton using the reconstructed human 3-D point (voxel) cloud. We use an improved and more robust algorithm, probabilistic shape from…

图形学 · 计算机科学 2013-11-28 Jian Song , Yatao Bian , Junchi Yan , Xu Zhao , Yuncai Liu

Despite having achieved real-time performance in mesh construction, most of the current LiDAR odometry and meshing methods may struggle to deal with complex scenes due to relying on explicit meshing schemes. They are usually sensitive to…

机器人学 · 计算机科学 2023-12-27 Yanjin Zhu , Xin Zheng , Jianke Zhu

Tomography is an imaging technique that works by reconstructing a scene from acquired data in the form of line integrals of the imaging domain. A fundamental underlying assumption in the reconstruction procedure is the precise alignment of…

数值分析 · 数学 2018-07-13 Toby Sanders

We present a novel way of approaching image-based 3D reconstruction based on radiance fields. The problem of volumetric reconstruction is formulated as a non-linear least-squares problem and solved explicitly without the use of neural…

计算机视觉与模式识别 · 计算机科学 2021-12-13 Sverker Rasmuson , Erik Sintorn , Ulf Assarsson

This paper proposes a real-time multi-plane segmentation method based on GPU-accelerated high-resolution 3D voxel mapping for legged robot locomotion. Existing online planar mapping approaches struggle to balance accuracy and computational…

机器人学 · 计算机科学 2025-10-03 Shun Niijima , Ryoichi Tsuzaki , Noriaki Takasugi , Masaya Kinoshita

Deformable image registration estimates voxel-wise correspondences between images through spatial transformations, and plays a key role in medical imaging. While deep learning methods have significantly reduced runtime, efficiently handling…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Tianran Li , Marius Staring , Yuchuan Qiao

Differentiable volumetric rendering-based methods made significant progress in novel view synthesis. On one hand, innovative methods have replaced the Neural Radiance Fields (NeRF) network with locally parameterized structures, enabling…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Hugo Blanc , Jean-Emmanuel Deschaud , Alexis Paljic