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相关论文: Implicit Shape Completion via Adversarial Shape Pr…

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Humans effortlessly infer the 3D shape of objects. What computations underlie this ability? Although various computational models have been proposed, none of them capture the human ability to match object shape across viewpoints. Here, we…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Thomas P. O'Connell , Tyler Bonnen , Yoni Friedman , Ayush Tewari , Josh B. Tenenbaum , Vincent Sitzmann , Nancy Kanwisher

Adversary and invisibility are two fundamental but conflict characters of adversarial perturbations. Previous adversarial attacks on 3D point cloud recognition have often been criticized for their noticeable point outliers, since they just…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Qidong Huang , Xiaoyi Dong , Dongdong Chen , Hang Zhou , Weiming Zhang , Nenghai Yu

Surface reconstruction is a fundamental problem in 3D graphics. In this paper, we propose a learning-based approach for implicit surface reconstruction from raw point clouds without normals. Our method is inspired by Gauss Lemma in…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Dong Xiao , Siyou Lin , Zuoqiang Shi , Bin Wang

3D Shape representation has substantial effects on 3D shape reconstruction. Primitive-based representations approximate a 3D shape mainly by a set of simple implicit primitives, but the low geometrical complexity of the primitives limits…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Mohsen Yavartanoo , JaeYoung Chung , Reyhaneh Neshatavar , Kyoung Mu Lee

The goal of this project is to learn a 3D shape representation that enables accurate surface reconstruction, compact storage, efficient computation, consistency for similar shapes, generalization across diverse shape categories, and…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Kyle Genova , Forrester Cole , Avneesh Sud , Aaron Sarna , Thomas Funkhouser

Deep implicit functions have shown remarkable shape modeling ability in various 3D computer vision tasks. One drawback is that it is hard for them to represent a 3D shape as multiple parts. Current solutions learn various primitives and…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Chao Chen , Yu-Shen Liu , Zhizhong Han

Generating realistic intermediate shapes between non-rigidly deformed shapes is a challenging task in computer vision, especially with unstructured data (e.g., point clouds) where temporal consistency across frames is lacking, and…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Lu Sang , Zehranaz Canfes , Dongliang Cao , Riccardo Marin , Florian Bernard , Daniel Cremers

The primary issue in inverse halftoning is removing noisy dots on flat areas and restoring image structures (e.g., lines, patterns) on textured areas. Hence, a new structure-aware deep convolutional neural network that incorporates two…

图像与视频处理 · 电气工程与系统科学 2021-02-10 Chang-Hwan Son

Learning structures of 3D shapes is a fundamental problem in the field of computer graphics and geometry processing. We present a simple yet interpretable unsupervised method for learning a new structural representation in the form of 3D…

计算机视觉与模式识别 · 计算机科学 2020-03-27 Nenglun Chen , Lingjie Liu , Zhiming Cui , Runnan Chen , Duygu Ceylan , Changhe Tu , Wenping Wang

A neural implicit outputs a number indicating whether the given query point in space is inside, outside, or on a surface. Many prior works have focused on _latent-encoded_ neural implicits, where a latent vector encoding of a specific shape…

图形学 · 计算机科学 2021-01-19 Thomas Davies , Derek Nowrouzezahrai , Alec Jacobson

Neural implicit surface representations have emerged as a promising paradigm to capture 3D shapes in a continuous and resolution-independent manner. However, adapting them to articulated shapes is non-trivial. Existing approaches learn a…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Xu Chen , Yufeng Zheng , Michael J. Black , Otmar Hilliges , Andreas Geiger

Reconstructing the underlying 3D surface of an object from a single image is a challenging problem that has received extensive attention from the computer vision community. Many learning-based approaches tackle this problem by learning a 3D…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Nicolai Häni , Jun-Jee Chao , Volkan Isler

Real-world 3D data may contain intricate details defined by salient surface gaps. Automated reconstruction of these open surfaces (e.g., non-watertight meshes) is a challenging problem for environment synthesis in mixed reality…

计算机视觉与模式识别 · 计算机科学 2023-01-20 Mohammad Samiul Arshad , William J. Beksi

Feedforward generalizable models for implicit shape reconstruction from unoriented point cloud present multiple advantages, including high performance and inference speed. However, they still suffer from generalization issues, ranging from…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Amine Ouasfi , Adnane Boukhayma

Modeling the shape of garments has received much attention, but most existing approaches assume the garments to be worn by someone, which constrains the range of shapes they can assume. In this work, we address shape recovery when garments…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Ren Li , Corentin Dumery , Zhantao Deng , Pascal Fua

How will you repair a physical object with some missings? You may imagine its original shape from previously captured images, recover its overall (global) but coarse shape first, and then refine its local details. We are motivated to…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Zhe Zhu , Liangliang Nan , Haoran Xie , Honghua Chen , Mingqiang Wei , Jun Wang , Jing Qin

Transparent object grasping remains a persistent challenge in robotics, largely due to the difficulty of acquiring precise 3D information. Conventional optical 3D sensors struggle to capture transparent objects, and machine learning methods…

机器人学 · 计算机科学 2025-04-15 Yi Han , Zixin Lin , Dongjie Li , Lvping Chen , Yongliang Shi , Gan Ma

The process of aligning a pair of shapes is a fundamental operation in computer graphics. Traditional approaches rely heavily on matching corresponding points or features to guide the alignment, a paradigm that falters when significant…

图形学 · 计算机科学 2018-11-01 Rana Hanocka , Noa Fish , Zhenhua Wang , Raja Giryes , Shachar Fleishman , Daniel Cohen-Or

Prior work to infer 3D texture use either texture atlases, which require uv-mappings and hence have discontinuities, or colored voxels, which are memory inefficient and limited in resolution. Recent work, predicts RGB color at every XYZ…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Julian Chibane , Gerard Pons-Moll

Implicit neural representations have emerged as a powerful tool in learning 3D geometry, offering unparalleled advantages over conventional representations like mesh-based methods. A common type of INR implicitly encodes a shape's boundary…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Shen Fan , Przemyslaw Musialski