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Surfaces are typically represented as meshes, which can be extracted from volumetric fields via meshing or optimized directly as surface parameterizations. Volumetric representations occupy 3D space and have a large effective receptive…

图形学 · 计算机科学 2026-02-03 Ruiqi Zhang , Jiacheng Wu , Jie Chen

We are witnessing an explosion of neural implicit representations in computer vision and graphics. Their applicability has recently expanded beyond tasks such as shape generation and image-based rendering to the fundamental problem of…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Jiaming Sun , Xi Chen , Qianqian Wang , Zhengqi Li , Hadar Averbuch-Elor , Xiaowei Zhou , Noah Snavely

Fluid flow is a widely applied physical problem, crucial in various fields. Due to the highly nonlinear and chaotic nature of fluids, analyzing fluid-related problems is exceptionally challenging. Computational fluid dynamics (CFD) is the…

计算工程、金融与科学 · 计算机科学 2025-02-06 Fan Lei

Neural implicit representations have become a popular choice for modeling surfaces due to their adaptability in resolution and support for complex topology. While previous works have achieved impressive reconstruction quality by training on…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Lu Sang , Abhishek Saroha , Maolin Gao , Daniel Cremers

3D reconstruction, which aims to recover the dense three-dimensional structure of a scene, is a cornerstone technology for numerous applications, including augmented/virtual reality, autonomous driving, and robotics. While traditional…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Wei Zhang , Yihang Wu , Songhua Li , Wenjie Ma , Xin Ma , Qiang Li , Qi Wang

In this paper we present a new method, which allows for the construction of triangular isosurfaces from three-dimensional data sets, such as 3D image data and/or numerical simulation data that are based on regularly shaped, cubic lattices.…

计算几何 · 计算机科学 2012-06-11 B. R. Schlei

The generation of high-fidelity view synthesis is essential for robotic navigation and interaction but remains challenging, particularly in indoor environments and real-time scenarios. Existing techniques often require significant…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Sen Wang , Qing Cheng , Stefano Gasperini , Wei Zhang , Shun-Cheng Wu , Niclas Zeller , Daniel Cremers , Nassir Navab

LiDAR-based 3D object detection and classification is crucial for autonomous driving. However, real-time inference from extremely sparse 3D data is a formidable challenge. To address this problem, a typical class of approaches transforms…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Yongxin Shao , Aihong Tan , Zhetao Sun , Enhui Zheng , Tianhong Yan , Peng Liao

Reconstructing a 3D shape based on a single sketch image is challenging due to the large domain gap between a sparse, irregular sketch and a regular, dense 3D shape. Existing works try to employ the global feature extracted from sketch to…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Chenjian Gao , Qian Yu , Lu Sheng , Yi-Zhe Song , Dong Xu

Recovering the 3D shape of an object from single or multiple images with deep neural networks has been attracting increasing attention in the past few years. Mainstream works (e.g. 3D-R2N2) use recurrent neural networks (RNNs) to…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Haozhe Xie , Hongxun Yao , Shengping Zhang , Shangchen Zhou , Wenxiu Sun

We propose VisFusion, a visibility-aware online 3D scene reconstruction approach from posed monocular videos. In particular, we aim to reconstruct the scene from volumetric features. Unlike previous reconstruction methods which aggregate…

计算机视觉与模式识别 · 计算机科学 2023-04-24 Huiyu Gao , Wei Mao , Miaomiao Liu

This paper investigates a 2D to 3D image translation method with a straightforward technique, enabling correlated 2D X-ray to 3D CT-like reconstruction. We observe that existing approaches, which integrate information across multiple 2D…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Abril Corona-Figueroa , Hubert P. H. Shum , Chris G. Willcocks

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

Volumetric phenomena, such as clouds and fog, present a significant challenge for 3D reconstruction systems due to their translucent nature and their complex interactions with light. Conventional techniques for reconstructing scattering…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Jacob Lin , Miguel Farinha , Edward Gryspeerdt , Ronald Clark

With the proliferation of small aerial vehicles, acquiring close up aerial imagery for high quality reconstruction of complex scenes is gaining importance. We present an adaptive view planning method to collect such images in an automated…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Cheng Peng , Volkan Isler

Recovering 3D information from scenes via multi-view stereo reconstruction (MVS) and novel view synthesis (NVS) is inherently challenging, particularly in scenarios involving sparse-view setups. The advent of 3D Gaussian Splatting (3DGS)…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Shubhendu Jena , Shishir Reddy Vutukur , Adnane Boukhayma

Achieving high-fidelity 3D surface reconstruction while preserving fine details remains challenging, especially in the presence of materials with complex reflectance properties and without a dense-view setup. In this paper, we introduce a…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Robin Bruneau , Baptiste Brument , Yvain Quéau , Jean Mélou , François Bernard Lauze , Jean-Denis Durou , Lilian Calvet

Reconstructing 3D objects from a single image remains challenging, especially under real-world occlusions. While recent diffusion-based view synthesis models can generate consistent novel views from a single RGB image, they typically assume…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Yansong Qu , Shaohui Dai , Xinyang Li , Yuze Wang , You Shen , Liujuan Cao , Rongrong Ji

The ultimate goal of many image-based modeling systems is to render photo-realistic novel views of a scene without visible artifacts. Existing evaluation metrics and benchmarks focus mainly on the geometric accuracy of the reconstructed…

计算机视觉与模式识别 · 计算机科学 2016-01-27 Michael Waechter , Mate Beljan , Simon Fuhrmann , Nils Moehrle , Johannes Kopf , Michael Goesele

Taking an image of an object is at its core a lossy process. The rich information about the three-dimensional structure of the world is flattened to an image plane and decisions such as viewpoint and camera parameters are final and not…

计算机视觉与模式识别 · 计算机科学 2016-08-16 Konstantinos Rematas , Chuong Nguyen , Tobias Ritschel , Mario Fritz , Tinne Tuytelaars