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相关论文: Speeding Up the 3D Surface Generator VESTA

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A mesh improvement methodology is pre- sented which aims to improve the quality of the worst elements in 3D meshes with non-planar surfaces which cannot be improved using traditional methods. A nu- merical optimisation algorithm, which…

最优化与控制 · 数学 2013-07-15 Alan Kelly , Lukasz Kaczmarczyk , Chris Pearce

We fully generalize a previously-developed computational geometry tool [1] to perform large-scale simulations of arbitrary two-dimensional faceted surfaces $z = h(x,y)$. Our method uses a three-component facet/edge/junction storage model,…

数学物理 · 物理学 2011-10-17 Scott A. Norris , Stephen J. Watson

In this work, we address the lack of 3D understanding of generative neural networks by introducing a persistent 3D feature embedding for view synthesis. To this end, we propose DeepVoxels, a learned representation that encodes the…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Vincent Sitzmann , Justus Thies , Felix Heide , Matthias Nießner , Gordon Wetzstein , Michael Zollhöfer

Mesh reconstruction from a 3D point cloud is an important topic in the fields of computer graphic, computer vision, and multimedia analysis. In this paper, we propose a voxel structure-based mesh reconstruction framework. It provides the…

图形学 · 计算机科学 2021-04-26 Chenlei Lv , Weisi Lin , Baoquan Zhao

Recently, 3D Gaussian Splatting (3D-GS) has prevailed in novel view synthesis, achieving high fidelity and efficiency. However, it often struggles to capture rich details and complete geometry. Our analysis reveals that the 3D-GS…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Yanzhe Lyu , Kai Cheng , Xin Kang , Xuejin Chen

With the rapid development of high-resolution 3D vision applications, the traditional way of manipulating surface detail requires considerable memory and computing time. To address these problems, we introduce an efficient surface detail…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Wuyuan Xie , Miaohui Wang , Di Lin , Boxin Shi , Jianmin Jiang

Optimal surface segmentation is a state-of-the-art method used for segmentation of multiple globally optimal surfaces in volumetric datasets. The method is widely used in numerous medical image segmentation applications. However, nodes in…

计算机视觉与模式识别 · 计算机科学 2019-02-18 Abhay Shah , Michael D. Abramoff , Xiaodong Wu

Direct optimization of interpolated features on multi-resolution voxel grids has emerged as a more efficient alternative to MLP-like modules. However, this approach is constrained by higher memory expenses and limited representation…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Xiangyu Xu , Lichang Chen , Changjiang Cai , Huangying Zhan , Qingan Yan , Pan Ji , Junsong Yuan , Heng Huang , Yi Xu

This paper introduces a pioneering 3D volumetric encoder designed for text-to-3D generation. To scale up the training data for the diffusion model, a lightweight network is developed to efficiently acquire feature volumes from multi-view…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Zhicong Tang , Shuyang Gu , Chunyu Wang , Ting Zhang , Jianmin Bao , Dong Chen , Baining Guo

The analysis of deforming 3D surface meshes is accelerated by autoencoders since the low-dimensional embeddings can be used to visualize underlying dynamics. But, state-of-the-art mesh convolutional autoencoders require a fixed connectivity…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Sara Hahner , Jochen Garcke

The objective of this work is to achieve sensorless reconstruction of a 3D volume from a set of 2D freehand ultrasound images with deep implicit representation. In contrast to the conventional way that represents a 3D volume as a discrete…

图像与视频处理 · 电气工程与系统科学 2021-12-28 Pak-Hei Yeung , Linde Hesse , Moska Aliasi , Monique Haak , the INTERGROWTH-21st Consortium , Weidi Xie , Ana I. L. Namburete

Implicit neural networks have been successfully used for surface reconstruction from point clouds. However, many of them face scalability issues as they encode the isosurface function of a whole object or scene into a single latent vector.…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Alexandre Boulch , Renaud Marlet

Solving image-to-3D from a single view is an ill-posed problem, and current neural reconstruction methods addressing it through diffusion models still rely on scene-specific optimization, constraining their generalization capability. To…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Christian Simon , Sen He , Juan-Manuel Perez-Rua , Mengmeng Xu , Amine Benhalloum , Tao Xiang

We describe a hidden surface removal algorithm for two-dimensional layered scenes built from arbitrary primitives, particularly suited to interaction and animation in rich scenes (for example, in illustration). The method makes use of a…

图形学 · 计算机科学 2024-11-04 John Whitington

Surveying 3D scenes is a common task in robotics. Systems can do so autonomously by iteratively obtaining measurements. This process of planning observations to improve the model of a scene is called Next Best View (NBV) planning. NBV…

机器人学 · 计算机科学 2018-11-16 Rowan Border , Jonathan D. Gammell , Paul Newman

Recent advances in 3D deep learning have shown that it is possible to train highly effective deep models for 3D shape generation, directly from 2D images. This is particularly interesting since the availability of 3D models is still limited…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Shichen Liu , Shunsuke Saito , Weikai Chen , Hao Li

In this paper, we propose an efficient multi-level convolution architecture for 3D visual grounding. Conventional methods are difficult to meet the requirements of real-time inference due to the two-stage or point-based architecture.…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Wenxuan Guo , Xiuwei Xu , Ziwei Wang , Jianjiang Feng , Jie Zhou , Jiwen Lu

Unsupervised learning of object-centric representations in dynamic visual scenes is challenging. Unlike most previous approaches that learn to decompose 2D images, we present DynaVol, a 3D scene generative model that unifies geometric…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Yanpeng Zhao , Siyu Gao , Yunbo Wang , Xiaokang Yang

Swept volume computation, the determination of regions occupied by moving objects, is essential in graphics, robotics, and manufacturing. Existing approaches either explicitly track surfaces, suffering from robustness issues under complex…

计算几何 · 计算机科学 2025-09-12 Pengfei Wang , Yuexin Yang , Shuangmin Chen , Shiqing Xin , Changhe Tu , Wenping Wang

We propose a fast and accurate surface reconstruction algorithm for unorganized point clouds using an implicit representation. Recent learning methods are either single-object representations with small neural models that allow for high…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Siddhant Ranade , Gonçalo Dias Pais , Ross Tyler Whitaker , Jacinto C. Nascimento , Pedro Miraldo , Srikumar Ramalingam