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3D reconstruction from a single RGB image is a challenging problem in computer vision. Previous methods are usually solely data-driven, which lead to inaccurate 3D shape recovery and limited generalization capability. In this work, we focus…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Yichao Zhou , Shichen Liu , Yi Ma

Learning neural implicit surfaces from volume rendering has become popular for multi-view reconstruction. Neural surface reconstruction approaches can recover complex 3D geometry that are difficult for classical Multi-view Stereo (MVS)…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Mohamed Shawky Sabae , Hoda Anis Baraka , Mayada Mansour Hadhoud

We present a novel method for 6-DoF object tracking and high-quality 3D reconstruction from monocular RGBD video. Existing methods, while achieving impressive results, often struggle with complex objects, particularly those exhibiting…

We present Knowledge NeRF to synthesize novel views for dynamic scenes. Reconstructing dynamic 3D scenes from few sparse views and rendering them from arbitrary perspectives is a challenging problem with applications in various domains.…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Wenxiao Cai , Xinyue Lei , Xinyu He , Junming Leo Chen , Yangang Wang

Various SDF-based neural implicit surface reconstruction methods have been proposed recently, and have demonstrated remarkable modeling capabilities. However, due to the global nature and limited representation ability of a single network,…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Leyuan Yang , Bailin Deng , Juyong Zhang

Neural rendering has demonstrated remarkable success in high-quality 3D neural reconstruction and novel view synthesis with dense input views and accurate poses. However, applying it to extremely sparse, unposed views in unbounded 360{\deg}…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Chong Bao , Xiyu Zhang , Zehao Yu , Jiale Shi , Guofeng Zhang , Songyou Peng , Zhaopeng Cui

Although neural radiance fields (NeRF) have shown impressive advances for novel view synthesis, most methods typically require multiple input images of the same scene with accurate camera poses. In this work, we seek to substantially reduce…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Kai-En Lin , Lin Yen-Chen , Wei-Sheng Lai , Tsung-Yi Lin , Yi-Chang Shih , Ravi Ramamoorthi

Implicit neural rendering techniques have shown promising results for novel view synthesis. However, existing methods usually encode the entire scene as a whole, which is generally not aware of the object identity and limits the ability to…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Bangbang Yang , Yinda Zhang , Yinghao Xu , Yijin Li , Han Zhou , Hujun Bao , Guofeng Zhang , Zhaopeng Cui

We propose NEMTO, the first end-to-end neural rendering pipeline to model 3D transparent objects with complex geometry and unknown indices of refraction. Commonly used appearance modeling such as the Disney BSDF model cannot accurately…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Dongqing Wang , Tong Zhang , Sabine Süsstrunk

We present a method for recovering the shape and radiance of a scene consisting of multiple people given solely a few images. Multi-human scenes are complex due to additional occlusion and clutter. For single-human settings, existing…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Qian li , Victoria Fernàndez Abrevaya , Franck Multon , Adnane Boukhayma

3D reconstruction of a scene from Synthetic Aperture Radar (SAR) images mainly relies on interferometric measurements, which involve strict constraints on the acquisition process. These last years, progress in deep learning has…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Emile Barbier--Renard , Florence Tupin , Nicolas Trouvé , Loïc Denis

We propose CrossHuman, a novel method that learns cross-guidance from parametric human model and multi-frame RGB images to achieve high-quality 3D human reconstruction. To recover geometry details and texture even in invisible regions, we…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Liliang Chen , Jiaqi Li , Han Huang , Yandong Guo

This work presents a flexible system to reconstruct 3D models of objects captured with an RGB-D sensor. A major advantage of the method is that our reconstruction pipeline allows the user to acquire a full 3D model of the object. This is…

计算机视觉与模式识别 · 计算机科学 2015-05-22 Aitor Aldoma , Johann Prankl , Alexander Svejda , Markus Vincze

Fast, reliable shape reconstruction is an essential ingredient in many computer vision applications. Neural Radiance Fields demonstrated that photorealistic novel view synthesis is within reach, but was gated by performance requirements for…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Leonid Keselman , Martial Hebert

Single-view 3D object reconstruction is a fundamental and challenging computer vision task that aims at recovering 3D shapes from single-view RGB images. Most existing deep learning based reconstruction methods are trained and evaluated on…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Xianghui Yang , Guosheng Lin , Luping Zhou

Recent learning approaches that implicitly represent surface geometry using coordinate-based neural representations have shown impressive results in the problem of multi-view 3D reconstruction. The effectiveness of these techniques is,…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Eduard Ramon , Gil Triginer , Janna Escur , Albert Pumarola , Jaime Garcia , Xavier Giro-i-Nieto , Francesc Moreno-Noguer

Image-based 3D reconstruction is one of the most important tasks in Computer Vision with many solutions proposed over the last few decades. The objective is to extract metric information i.e. the geometry of scene objects directly from…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Qiao Chen , Charalambos Poullis

We present SplitFusion, a novel dense RGB-D SLAM framework that simultaneously performs tracking and dense reconstruction for both rigid and non-rigid components of the scene. SplitFusion first adopts deep learning based semantic instant…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Yang Li , Tianwei Zhang , Yoshihiko Nakamura , Tatsuya Harada

Understanding and reconstructing occluded objects is a challenging problem, especially in open-world scenarios where categories and contexts are diverse and unpredictable. Traditional methods, however, are typically restricted to closed…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Jiayang Ao , Yanbei Jiang , Qiuhong Ke , Krista A. Ehinger

Novel-View Human Action Synthesis aims to synthesize the movement of a body from a virtual viewpoint, given a video from a real viewpoint. We present a novel 3D reasoning to synthesize the target viewpoint. We first estimate the 3D mesh of…

计算机视觉与模式识别 · 计算机科学 2020-10-09 Mohamed Ilyes Lakhal , Davide Boscaini , Fabio Poiesi , Oswald Lanz , Andrea Cavallaro