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A laser scanner can easily acquire the geometric data of physical environments in the form of a point cloud. Recognizing objects from a point cloud is often required for industrial 3D reconstruction, which should include not only geometry…

计算机视觉与模式识别 · 计算机科学 2020-07-01 Hyungki Kim , Moohyun Cha , Duhwan Mun

Implicit neural fields have made remarkable progress in reconstructing 3D surfaces from multiple images; however, they encounter challenges when it comes to separating individual objects within a scene. Previous work has attempted to tackle…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Gemmechu Hassena , Jonathan Moon , Ryan Fujii , Andrew Yuen , Noah Snavely , Steve Marschner , Bharath Hariharan

We propose a system for surface completion and inpainting of 3D shapes using generative models, learnt on local patches. Our method uses a novel encoding of height map based local patches parameterized using 3D mesh quadrangulation of the…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Kripasindhu Sarkar , Kiran Varanasi , Didier Stricker

We present Image Sculpting, a new framework for editing 2D images by incorporating tools from 3D geometry and graphics. This approach differs markedly from existing methods, which are confined to 2D spaces and typically rely on textual…

图形学 · 计算机科学 2024-01-04 Jiraphon Yenphraphai , Xichen Pan , Sainan Liu , Daniele Panozzo , Saining Xie

Incomplete or missing data in three-dimensional (3D) models can lead to erroneous or flawed renderings, limiting their usefulness in applications such as visualization, geometric computation, and 3D printing. Conventional surface-repair…

图形学 · 计算机科学 2024-09-27 Marina Hernández-Bautista , Francisco J. Melero

In this paper, we revisit the long-standing problem of automatic reconstruction of 3D objects from single line drawings. Previous optimization-based methods can generate compact and accurate 3D models, but their success rates depend heavily…

计算机视觉与模式识别 · 计算机科学 2022-11-03 Jia Zheng , Yifan Zhu , Kehan Wang , Qiang Zou , Zihan Zhou

We present a 3D modeling method which enables end-users to refine or detailize 3D shapes using machine learning, expanding the capabilities of AI-assisted 3D content creation. Given a coarse voxel shape (e.g., one produced with a simple box…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Qimin Chen , Zhiqin Chen , Vladimir G. Kim , Noam Aigerman , Hao Zhang , Siddhartha Chaudhuri

Conventional methods of 3D object generative modeling learn volumetric predictions using deep networks with 3D convolutional operations, which are direct analogies to classical 2D ones. However, these methods are computationally wasteful in…

计算机视觉与模式识别 · 计算机科学 2017-06-22 Chen-Hsuan Lin , Chen Kong , Simon Lucey

Recent advances have enabled 3d object reconstruction approaches using a single off-the-shelf RGB-D camera. Although these approaches are successful for a wide range of object classes, they rely on stable and distinctive geometric or…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Dimitrios Tzionas , Juergen Gall

Transparent and specular objects are frequently encountered in daily life, factories, and laboratories. However, due to the unique optical properties, the depth information on these objects is usually incomplete and inaccurate, which poses…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Yizhe Liu , Tong Jia , Da Cai , Hao Wang , Dongyue Chen

LiDAR point clouds can effectively depict the motion and posture of objects in three-dimensional space. Many studies accomplish the 3D object detection by voxelizing point clouds. However, in autonomous driving scenarios, the sparsity and…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yongxin Shao , Aihong Tan , Binrui Wang , Tianhong Yan , Zhetao Sun , Yiyang Zhang , Jiaxin Liu

Triangular meshes are the most popular representations of 3D objects, but many mesh surfaces contain topological singularities that represent a challenge for displaying or further processing them properly. One such singularity is the…

计算几何 · 计算机科学 2022-06-22 K. Sfikas , P. Perakis , T. Theoharis

We propose an interactive approach for 3D instance segmentation, where users can iteratively collaborate with a deep learning model to segment objects in a 3D point cloud directly. Current methods for 3D instance segmentation are generally…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Theodora Kontogianni , Ekin Celikkan , Siyu Tang , Konrad Schindler

3D objects (artefacts) are made to fulfill functions. Designing an object often starts with defining a list of functionalities that it should provide, also known as functional requirements. Today, the design of 3D object models is still a…

人工智能 · 计算机科学 2018-10-18 Mihai Andries , Atabak Dehban , José Santos-Victor

Reconstructing a complete object from its parts is a fundamental problem in many scientific domains. The purpose of this article is to provide a systematic survey on this topic. The reassembly problem requires understanding the attributes…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Jiaxin Lu , Yongqing Liang , Huijun Han , Jiacheng Hua , Junfeng Jiang , Xin Li , Qixing Huang

3D geometry is a very informative cue when interacting with and navigating an environment. This writing proposes a new approach to 3D reconstruction and scene understanding, which implicitly learns 3D geometry from depth maps pairing a deep…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Dario Rethage , Federico Tombari , Felix Achilles , Nassir Navab

Three-dimensional (3D) reconstruction of head Computed Tomography (CT) images elucidates the intricate spatial relationships of tissue structures, thereby assisting in accurate diagnosis. Nonetheless, securing an optimal head CT scan…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Bowen Zheng , Chenxi Huang , Yuemei Luo

3D dense reconstruction refers to the process of obtaining the complete shape and texture features of 3D objects from 2D planar images. 3D reconstruction is an important and extensively studied problem, but it is far from being solved. This…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Yangming Li

Localization and Mapping is an essential component to enable Autonomous Vehicles navigation, and requires an accuracy exceeding that of commercial GPS-based systems. Current odometry and mapping algorithms are able to provide this accurate…

计算机视觉与模式识别 · 计算机科学 2019-10-09 Victor Vaquero , Kai Fischer , Francesc Moreno-Noguer , Alberto Sanfeliu , Stefan Milz

Reassembling 3D broken objects is a challenging task. A robust solution that generalizes well must deal with diverse patterns associated with different types of broken objects. We propose a method that tackles the pairwise assembly of 3D…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Ali Alagrami , Luca Palmieri , Sinem Aslan , Marcello Pelillo , Sebastiano Vascon