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Today, Multi-View Stereo techniques are able to reconstruct robust and detailed 3D models, especially when starting from high-resolution images. However, there are cases in which the resolution of input images is relatively low, for…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Eugenio Lomurno , Andrea Romanoni , Matteo Matteucci

We innovate in stereo vision by explicitly providing analytical 3D surface models as viewed by a cyclopean eye model that incorporate depth discontinuities and occlusions. This geometrical foundation combined with learned stereo features…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Sherlon Almeida da Silva , Davi Geiger , Luiz Velho , Moacir Antonelli Ponti

Active stereo vision is important in reconstructing objects without obvious textures. However, it is still very challenging to extract and match the projected patterns from two camera views automatically and robustly. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Yongcan Shuang , Zhenzhou Wang

Recently, 3D Gaussian Splatting (3DGS) has emerged as an efficient approach for accurately representing scenes. However, despite its superior novel view synthesis capabilities, extracting the geometry of the scene directly from the Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Yaniv Wolf , Amit Bracha , Ron Kimmel

Recent research in tomographic reconstruction is motivated by the need to efficiently recover detailed anatomy from limited measurements. One of the ways to compensate for the increasingly sparse sets of measurements is to exploit the…

Computer Vision and Pattern Recognition · Computer Science 2017-12-08 Preeti Gopal , Ritwick Chaudhry , Sharat Chandran , Imants Svalbe , Ajit Rajwade

LiDAR sensor is essential to the perception system in autonomous vehicles and intelligent robots. To fulfill the real-time requirements in real-world applications, it is necessary to efficiently segment the LiDAR scans. Most of previous…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Song Wang , Jianke Zhu , Ruixiang Zhang

Segment Anything Models (SAMs), known for their exceptional zero-shot segmentation performance, have garnered significant attention in the research community. Nevertheless, their performance drops significantly on severely degraded,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Guangqian Guo , Aixi Ren , Yong Guo , Xuehui Yu , Jiacheng Tian , Wenli Li , Chaowei Wang , Yaoxing Wang , Shan Gao

Recently, leveraging on the development of end-to-end convolutional neural networks (CNNs), deep stereo matching networks have achieved remarkable performance far exceeding traditional approaches. However, state-of-the-art stereo frameworks…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Xiao Song , Xu Zhao , Liangji Fang , Hanwen Hu

Event cameras are bio-inspired sensors that offer several advantages, such as low latency, high-speed and high dynamic range, to tackle challenging scenarios in computer vision. This paper presents a solution to the problem of 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Yi Zhou , Guillermo Gallego , Henri Rebecq , Laurent Kneip , Hongdong Li , Davide Scaramuzza

3D Gaussian Splatting (3D-GS) enables real-time 3D scene reconstruction but lacks robust segmentation for editing tasks such as object removal, extraction, and recoloring. Existing approaches that lift 2D segmentations to the 3D domain…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Raushan Joshi , Jean-Yves Guillemaut

In this study, we address the challenge of 3D scene structure recovery from monocular depth estimation. While traditional depth estimation methods leverage labeled datasets to directly predict absolute depth, recent advancements advocate…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Chi Zhang , Wei Yin , Gang Yu , Zhibin Wang , Tao Chen , Bin Fu , Joey Tianyi Zhou , Chunhua Shen

3D reconstruction aims to recover the dense 3D structure of a scene. It plays an essential role in various applications such as Augmented/Virtual Reality (AR/VR), autonomous driving and robotics. Leveraging multiple views of a scene…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Fangjinhua Wang , Qingtian Zhu , Di Chang , Quankai Gao , Junlin Han , Tong Zhang , Richard Hartley , Marc Pollefeys

SAR (Synthetic Aperture Radar) tomography reconstructs 3-D volumes from stacks of SAR images. High-resolution satellites such as TerraSAR-X provide images that can be combined to produce 3-D models. In urban areas, sparsity priors are…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Clément Rambour , Loïc Denis , Florence Tupin , Hélène Oriot , Yue Huang , Laurent Ferro-Famil

Digital elevation modeling of planetary surfaces is essential for studying past and ongoing geological processes. Wide-angle imagery acquired during spacecraft descent promises to offer a low-cost option for high-resolution terrain…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Melonie de Almeida , George Brydon , Divya M. Persaud , John H. Williamson , Paul Henderson

Multi-view stereo omnidirectional distance estimation usually needs to build a cost volume with many hypothetical distance candidates. The cost volume building process is often computationally heavy considering the limited resources a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Conner Pulling , Je Hon Tan , Yaoyu Hu , Sebastian Scherer

Recently, 3D Gaussian Splatting and its derivatives have achieved significant breakthroughs in large-scale scene reconstruction. However, how to efficiently and stably achieve high-quality geometric fidelity remains a core challenge. To…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Kehua Chen , Tianlu Mao , Xinzhu Ma , Hao Jiang , Zehao Li , Zihan Liu , Shuqin Gao , Honglong Zhao , Feng Dai , Yucheng Zhang , Zhaoqi Wang

Multi-View Stereo~(MVS) is a fundamental problem in geometric computer vision which aims to reconstruct a scene using multi-view images with known camera parameters. However, the mainstream approaches represent the scene with a fixed…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Song Zhang , Wenjia Xu , Zhiwei Wei , Lili Zhang , Yang Wang , Junyi Liu

In this work we present a novel method for reconstructing 3D surfaces using a multi-beam imaging sonar. We integrate the intensities measured by the sonar from different viewpoints for fixed cell positions in a 3D grid. For each cell we…

Robotics · Computer Science 2022-06-08 Sascha Arnold , Bilal Wehbe

3D object reconstruction and multilevel segmentation are fundamental to computer vision research. Existing algorithms usually perform 3D scene reconstruction and target objects segmentation independently, and the performance is not fully…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Jiexiong Xu , Weikun Zhao , Zhiyan Tang , Xiangchao Gan

Recovery of a 3D head model including the complete face and hair regions is still a challenging problem in computer vision and graphics. In this paper, we consider this problem using only a few multi-view portrait images as input. Previous…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Xueying Wang , Yudong Guo , Zhongqi Yang , Juyong Zhang