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Related papers: Unsupervised OmniMVS: Efficient Omnidirectional De…

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Dense 3D maps from wide-angle cameras is beneficial to robotics applications such as navigation and autonomous driving. In this work, we propose a real-time dense 3D mapping method for fisheye cameras without explicit rectification and…

Robotics · Computer Science 2019-09-18 Menandro Roxas , Takeshi Oishi

We present a method to capture both 3D shape and spatially varying reflectance with a multi-view photometric stereo (MVPS) technique that works for general isotropic materials. Our algorithm is suitable for perspective cameras and nearby…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Min Li , Zhenglong Zhou , Zhe Wu , Boxin Shi , Changyu Diao , Ping Tan

Monocular depth inference has gained tremendous attention from researchers in recent years and remains as a promising replacement for expensive time-of-flight sensors, but issues with scale acquisition and implementation overhead still…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Kenny Chen , Alexandra Pogue , Brett T. Lopez , Ali-akbar Agha-mohammadi , Ankur Mehta

We introduce an approach to enhance the novel view synthesis from images taken from a freely moving camera. The introduced approach focuses on outdoor scenes where recovering accurate geometric scaffold and camera pose is challenging,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Nishant Jain , Suryansh Kumar , Luc Van Gool

This paper proposes a network, referred to as MVSTR, for Multi-View Stereo (MVS). It is built upon Transformer and is capable of extracting dense features with global context and 3D consistency, which are crucial to achieving reliable…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Jie Zhu , Bo Peng , Wanqing Li , Haifeng Shen , Zhe Zhang , Jianjun Lei

Recovering 3D information from scenes via multi-view stereo reconstruction (MVS) and novel view synthesis (NVS) is inherently challenging, particularly in scenarios involving sparse-view setups. The advent of 3D Gaussian Splatting (3DGS)…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Shubhendu Jena , Shishir Reddy Vutukur , Adnane Boukhayma

Background subtraction is a fundamental task in computer vision with numerous real-world applications, ranging from object tracking to video surveillance. Dynamic backgrounds poses a significant challenge here. Supervised deep…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Fateme Bahri , Nilanjan Ray

In the era of big data, it is becoming common to have data with multiple modalities or coming from multiple sources, known as "multi-view data". Multi-view data are usually unlabeled and come from high-dimensional spaces (such as language…

Machine Learning · Computer Science 2016-09-28 Weixiang Shao , Lifang He , Chun-Ta Lu , Xiaokai Wei , Philip S. Yu

Monocular depth estimation from a single image is an ill-posed problem for computer vision due to insufficient reliable cues as the prior knowledge. Besides the inter-frame supervision, namely stereo and adjacent frames, extensive prior…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Zhengyang Lu , Ying Chen

This paper introduces the united monocular-stereo features into a visual-inertial tightly coupled odometry (UMS-VINS) for robust pose estimation. UMS-VINS requires two cameras and a low-cost inertial measurement unit (IMU). The UMS-VINS is…

Robotics · Computer Science 2023-03-16 Chaoyang Jiang , Xiaoni Zheng , Zhe Jin , Chengpu Yu

Visibility underwater is challenging, and degrades as the distance between the subject and camera increases, making vision tasks in the forward-looking direction more difficult. We have collected underwater forward-looking stereo-vision and…

Robotics · Computer Science 2023-02-27 Yelena Randall , Tali Treibitz

Recent learning-based multi-view stereo (MVS) methods show excellent performance with dense cameras and small depth ranges. However, non-learning based approaches still outperform for scenes with large depth ranges and sparser wide-baseline…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Jae Yong Lee , Joseph DeGol , Chuhang Zou , Derek Hoiem

Video anomaly detection (VAD) aims to automatically identify events that deviate from normal patterns in untrimmed surveillance videos. Existing methods universally depend on large-scale annotations or task-specific training procedures,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Chao Huang , Penfei Wei , Wei Wang , Jie Wen , Zhihua Wang , Li Shen , Wenqi Ren , Xiaochun Cao

A large field-of-view fisheye camera allows for capturing a large area with minimal numbers of cameras when they are mounted on a high position facing downwards. This top-view omnidirectional setup greatly reduces the work and cost for…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Jingrui Yu , Ana Cecilia Perez Grassi , Gangolf Hirtz

The biggest improvements in Photometric Stereo (PS) field has recently come from adoption of differentiable volumetric rendering techniques such as NeRF or Neural SDF achieving impressive reconstruction error of 0.2mm on DiLiGenT-MV…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Fotios Logothetis , Ignas Budvytis , Stephan Liwicki , Roberto Cipolla

Visual saliency prediction for omnidirectional videos (ODVs) has shown great significance and necessity for omnidirectional videos to help ODV coding, ODV transmission, ODV rendering, etc.. However, most studies only consider visual…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Yuxin Zhu , Xilei Zhu , Huiyu Duan , Jie Li , Kaiwei Zhang , Yucheng Zhu , Li Chen , Xiongkuo Min , Guangtao Zhai

Supervised learning with deep convolutional neural networks (DCNNs) has seen huge adoption in stereo matching. However, the acquisition of large-scale datasets with well-labeled ground truth is cumbersome and labor-intensive, making…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Hengli Wang , Rui Fan , Peide Cai , Ming Liu

Stereo vision systems have become popular in computer vision applications, such as 3D reconstruction, object tracking, and autonomous navigation. However, traditional stereo vision systems that use rectilinear lenses may not be suitable for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Matvei Panteleev , Houari Bettahar

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…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Jungeon Kim , Geonsoo Park , Seungyong Lee

Multiview photometric stereo (MVPS) seeks to recover high-fidelity surface shapes and reflectances from images captured under varying views and illuminations. However, existing MVPS methods often require controlled darkroom settings for…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Songyun Yang , Yufei Han , Jilong Zhang , Kongming Liang , Peng Yu , Zhaowei Qu , Heng Guo