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We present an application of multi-mesh finite element methods as part of a methodology for optimizing settlement layouts. By formulating a multi-objective optimization problem, we demonstrate how a given number of buildings may be…

计算工程、金融与科学 · 计算机科学 2023-01-31 Anders Logg , Christian Valdemar Lorenzen , Carl Lundholm

The development of high quality medical image segmentation algorithms depends on the availability of large datasets with pixel-level labels. The challenges of collecting such datasets, especially in case of 3D volumes, motivate to develop…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Ekaterina Redekop , Alexey Chernyavskiy

Infrared thermography has been widely used in several domains to capture and measure temperature distributions across surfaces and objects. This methodology can be further expanded to 3D applications if the spatial distribution of the…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Jincheng Zhang , Kevin Brink , Andrew R Willis

Using neural networks to represent 3D objects has become popular. However, many previous works employ neural networks with fixed architecture and size to represent different 3D objects, which lead to excessive network parameters for simple…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Yongdong Huang , Yuanzhan Li , Xulong Cao , Siyu Zhang , Shen Cai , Ting Lu , Jie Wang , Yuqi Liu

Structured illumination microscopy (SIM) improves resolution by down-modulating high-frequency information of an object to fit within the passband of the optical system. Generally, the reconstruction process requires prior knowledge of the…

计算机视觉与模式识别 · 计算机科学 2017-01-13 Li-Hao Yeh , Lei Tian , Laura Waller

The structure from motion (SfM) problem in computer vision is the problem of recovering the three-dimensional ($3$D) structure of a stationary scene from a set of projective measurements, represented as a collection of two-dimensional…

计算机视觉与模式识别 · 计算机科学 2017-05-10 Onur Ozyesil , Vladislav Voroninski , Ronen Basri , Amit Singer

Compressed sensing is an image reconstruction technique to achieve high-quality results from limited amount of data. In order to achieve this, it utilizes prior knowledge about the samples that shall be reconstructed. Focusing on image…

Structure-from-Motion (SfM) is a fundamental 3D vision task for recovering camera parameters and scene geometry from multi-view images. While recent deep learning advances enable accurate Monocular Depth Estimation (MDE) from single images…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Shengjie Zhu , Ahmed Abdelkader , Mark J. Matthews , Xiaoming Liu , Wen-Sheng Chu

Our previous works have demonstrated that visually realistic 3D meshes can be automatically reconstructed with low-cost, off-the-shelf unmanned aerial systems (UAS) equipped with capable cameras, and efficient photogrammetric software…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Meida Chen , Andrew Feng , Kyle McCullough , Pratusha Bhuvana Prasad , Ryan McAlinden , Lucio Soibelman , Mike Enloe

Fracture is a ubiquitous phenomenon in most composite engineering structures, and is often the responsible mechanism for catastrophic failure. Over the past several decades, many approaches have emerged to model and predict crack failure.…

介观与纳米尺度物理 · 物理学 2025-06-06 Vinamra Agrawal , Brandon Runnels

We present a novel neural surface reconstruction method called NeuralRoom for reconstructing room-sized indoor scenes directly from a set of 2D images. Recently, implicit neural representations have become a promising way to reconstruct…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Yusen Wang , Zongcheng Li , Yu Jiang , Kaixuan Zhou , Tuo Cao , Yanping Fu , Chunxia Xiao

Surface reconstruction with preservation of geometric features is a challenging computer vision task. Despite significant progress in implicit shape reconstruction, state-of-the-art mesh extraction methods often produce aliased,…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Natalia Soboleva , Olga Gorbunova , Maria Ivanova , Evgeny Burnaev , Matthias Nießner , Denis Zorin , Alexey Artemov

In this paper, we propose a novel method for joint recovery of camera pose, object geometry and spatially-varying Bidirectional Reflectance Distribution Function (svBRDF) of 3D scenes that exceed object-scale and hence cannot be captured…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Carolin Schmitt , Božidar Antić , Andrei Neculai , Joo Ho Lee , Andreas Geiger

The growing complexity of spatial and structural information in 3D data makes data inspection and visualization a challenging task. We describe a method to create a planar embedding of 3D treelike structures using their skeleton…

图形学 · 计算机科学 2022-02-23 Ping Hu , Saeed Boorboor , Joseph Marino , Arie E. Kaufman

We introduce BuildingNet: (a) a large-scale dataset of 3D building models whose exteriors are consistently labeled, (b) a graph neural network that labels building meshes by analyzing spatial and structural relations of their geometric…

While modern visual generation models excel at creating aesthetically pleasing natural images, they struggle with producing or editing structured visuals like charts, diagrams, and mathematical figures, which demand composition planning,…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Le Zhuo , Songhao Han , Yuandong Pu , Boxiang Qiu , Sayak Paul , Yue Liao , Yihao Liu , Jie Shao , Xi Chen , Si Liu , Hongsheng Li

We present a novel method for characterizing the microstructure of a material from volumetric datasets such as 3D image data from computed tomography (CT). The method is based on a new statistical model for the distribution of voxel…

材料科学 · 物理学 2021-01-06 Elise Otterlei Brenne , Vedrana Andersen Dahl , Peter Stanley Jørgensen

We propose a novel approach to reconstruct RGB-D indoor scene based on plane primitives. Our approach takes as input a RGB-D sequence and a dense coarse mesh reconstructed from it, and generates a lightweight, low-polygonal mesh with clear…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Chao Wang , Xiaohu Guo

We present a method to jointly refine the geometry and semantic segmentation of 3D surface meshes. Our method alternates between updating the shape and the semantic labels. In the geometry refinement step, the mesh is deformed with…

计算机视觉与模式识别 · 计算机科学 2017-06-27 Maros Blaha , Mathias Rothermel , Martin R. Oswald , Torsten Sattler , Audrey Richard , Jan D. Wegner , Marc Pollefeys , Konrad Schindler

Lossless image compression is required in various applications to reduce storage or transmission costs of images, while requiring the reconstructed images to have zero information loss compared to the original. Existing lossless image…

信息论 · 计算机科学 2024-09-12 Samar Agnihotri , Renu Rameshan , Ritwik Ghosal