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This work proposes a new method for real-time dense 3d reconstruction for common 360{\deg} action cams, which can be mounted on small scouting UAVs during USAR missions. The proposed method extends a feature based Visual monocular SLAM…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Hartmut Surmann , Marc Thurow , Dominik Slomma

This paper is the first to propose an end-to-end framework of mutually reinforcing images to 3D surface recurrent neural network-like for model-adaptation indoor 3D reconstruction,where multi-view dense matching and point cloud surface…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Chang Li , Jiao Guo , Yufei Zhao , Yongjun Zhang

Feature representation learning is the key recipe for learning-based Multi-View Stereo (MVS). As the common feature extractor of learning-based MVS, vanilla Feature Pyramid Networks (FPNs) suffer from discouraged feature representations for…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Chenjie Cao , Xinlin Ren , Yanwei Fu

This study addresses the challenge of online 3D model generation for neural rendering using an RGB image stream. Previous research has tackled this issue by incorporating Neural Radiance Fields (NeRF) or 3D Gaussian Splatting (3DGS) as…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Byeonggwon Lee , Junkyu Park , Khang Truong Giang , Sungho Jo , Soohwan Song

Existing learning-based multi-view stereo (MVS) methods rely on the depth range to build the 3D cost volume and may fail when the range is too large or unreliable. To address this problem, we propose a disparity-based MVS method based on…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Bo Li , Xiaowen Chu , Fei Deng

Denoising diffusion models have demonstrated outstanding results in 2D image generation, yet it remains a challenge to replicate its success in 3D shape generation. In this paper, we propose leveraging multi-view depth, which represents…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Zhen Wang , Qiangeng Xu , Feitong Tan , Menglei Chai , Shichen Liu , Rohit Pandey , Sean Fanello , Achuta Kadambi , Yinda Zhang

Depth estimation based on stereo matching is a classic but popular computer vision problem, which has a wide range of real-world applications. Current stereo matching methods generally adopt the deep Siamese neural network architecture, and…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Xingguang Jiang , Xiaofeng Bian , Chenggang Guo

Recent methods, such as 2D Gaussian Splatting and Gaussian Opacity Fields, have aimed to address the geometric inaccuracies of 3D Gaussian Splatting while retaining its superior rendering quality. However, these approaches still struggle to…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Jungeon Kim , Geonsoo Park , Seungyong Lee

Neural rendering of implicit surfaces performs well in 3D vision applications. However, it requires dense input views as supervision. When only sparse input images are available, output quality drops significantly due to the shape-radiance…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Haoyu Wu , Alexandros Graikos , Dimitris Samaras

Recently, 3D Gaussian Splatting has emerged as a prominent research direction owing to its ultrarapid training speed and high-fidelity rendering capabilities. However, the unstructured and irregular nature of Gaussian point clouds poses…

计算机视觉与模式识别 · 计算机科学 2026-02-16 Xiao Ren , Yu Liu , Ning An , Jian Cheng , Xin Qiao , He Kong

We present a novel deep-learning-based method for Multi-View Stereo. Our method estimates high resolution and highly precise depth maps iteratively, by traversing the continuous space of feasible depth values at each pixel in a binary…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Christian Sormann , Mattia Rossi , Andreas Kuhn , Friedrich Fraundorfer

Recent supervised multi-view depth estimation networks have achieved promising results. Similar to all supervised approaches, these networks require ground-truth data during training. However, collecting a large amount of multi-view depth…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Jiayu Yang , Jose M. Alvarez , Miaomiao Liu

We present a method for 3D reconstruction only using calibrated multi-view surface azimuth maps. Our method, multi-view azimuth stereo, is effective for textureless or specular surfaces, which are difficult for conventional multi-view…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Xu Cao , Hiroaki Santo , Fumio Okura , Yasuyuki Matsushita

We present Stable View Synthesis (SVS). Given a set of source images depicting a scene from freely distributed viewpoints, SVS synthesizes new views of the scene. The method operates on a geometric scaffold computed via…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Gernot Riegler , Vladlen Koltun

Recent sparse multi-view scene reconstruction advances like DUSt3R and MASt3R no longer require camera calibration and camera pose estimation. However, they only process a pair of views at a time to infer pixel-aligned pointmaps. When…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Zhenggang Tang , Yuchen Fan , Dilin Wang , Hongyu Xu , Rakesh Ranjan , Alexander Schwing , Zhicheng Yan

Existing deep learning based stereo matching methods either focus on achieving optimal performances on the target dataset while with poor generalization for other datasets or focus on handling the cross-domain generalization by suppressing…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Zhelun Shen , Yuchao Dai , Xibin Song , Zhibo Rao , Dingfu Zhou , Liangjun Zhang

It has been well recognized that fusing the complementary information from depth-aware LiDAR point clouds and semantic-rich stereo images would benefit 3D object detection. Nevertheless, it is not trivial to explore the inherently unnatural…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Hanqi Zhu , Jiajun Deng , Yu Zhang , Jianmin Ji , Qiuyu Mao , Houqiang Li , Yanyong Zhang

We present MVSNeRF, a novel neural rendering approach that can efficiently reconstruct neural radiance fields for view synthesis. Unlike prior works on neural radiance fields that consider per-scene optimization on densely captured images,…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Anpei Chen , Zexiang Xu , Fuqiang Zhao , Xiaoshuai Zhang , Fanbo Xiang , Jingyi Yu , Hao Su

Nowadays, robotics, AR, and 3D modeling applications attract considerable attention to single-view depth estimation (SVDE) as it allows estimating scene geometry from a single RGB image. Recent works have demonstrated that the accuracy of…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Nikolay Patakin , Mikhail Romanov , Anna Vorontsova , Mikhail Artemyev , Anton Konushin

Integrating inverse rendering with multi-view photometric stereo (MVPS) yields more accurate 3D reconstructions than the inverse rendering approaches that rely on fixed environment illumination. However, efficient inverse rendering with…

图形学 · 计算机科学 2025-07-25 Yixiao Chen , Bin Liang , Hanzhi Guo , Yongqing Cheng , Jiayi Zhao , Dongdong Weng