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相关论文: Improving Feature-based Visual Localization by Geo…

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Reliable feature correspondence between frames is a critical step in visual odometry (VO) and visual simultaneous localization and mapping (V-SLAM) algorithms. In comparison with existing VO and V-SLAM algorithms, semi-direct visual…

计算机视觉与模式识别 · 计算机科学 2018-10-03 Shing Yan Loo , Ali Jahani Amiri , Syamsiah Mashohor , Sai Hong Tang , Hong Zhang

Current monocular-based 6D object pose estimation methods generally achieve less competitive results than RGBD-based methods, mostly due to the lack of 3D information. To make up this gap, this paper proposes a 3D geometric volume based…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Jun Wu , Lilu Liu , Yue Wang , Rong Xiong

Simultaneous Localisation and Mapping (SLAM) is one of the fundamental problems in autonomous mobile robots where a robot needs to reconstruct a previously unseen environment while simultaneously localising itself with respect to the map.…

机器人学 · 计算机科学 2022-09-13 Tin Lai

Visual correspondence is a crucial step in key computer vision tasks, including camera localization, image registration, and structure from motion. The most effective techniques for matching keypoints currently involve using learned sparse…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Felipe Cadar , Guilherme Potje , Renato Martins , Cédric Demonceaux , Erickson R. Nascimento

Outdoor visual localization is a crucial component to many computer vision systems. We propose an approach to localization from images that is designed to explicitly handle the strong variations in appearance happening between daytime and…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Hugo Germain , Guillaume Bourmaud , Vincent Lepetit

Robust and efficient local feature matching plays a crucial role in applications such as SLAM and visual localization for robotics. Despite great progress, it is still very challenging to extract robust and discriminative visual features in…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Yepeng Liu , Wenpeng Lai , Zhou Zhao , Yuxuan Xiong , Jinchi Zhu , Jun Cheng , Yongchao Xu

Visual place recognition is a critical task in computer vision, especially for localization and navigation systems. Existing methods often rely on contrastive learning: image descriptors are trained to have small distance for similar images…

计算机视觉与模式识别 · 计算机科学 2024-01-30 María Leyva-Vallina , Nicola Strisciuglio , Nicolai Petkov

Category-level pose estimation is a challenging task with many potential applications in computer vision and robotics. Recently, deep-learning-based approaches have made great progress, but are typically hindered by the need for large…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Pengyuan Wang , Takuya Ikeda , Robert Lee , Koichi Nishiwaki

We present a joint 3D pose and focal length estimation approach for object categories in the wild. In contrast to previous methods that predict 3D poses independently of the focal length or assume a constant focal length, we explicitly…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Alexander Grabner , Peter M. Roth , Vincent Lepetit

Jointly estimating camera poses and mapping scenes from RGBD images is a fundamental task in simultaneous localization and mapping (SLAM). State-of-the-art methods employ 3D Gaussians to represent a scene, and render these Gaussians through…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Pengchong Hu , Zhizhong Han

We propose a novel fine-grained cross-view localization method that estimates the 3 Degrees of Freedom pose of a ground-level image in an aerial image of the surroundings by matching fine-grained features between the two images. The pose is…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Zimin Xia , Alexandre Alahi

Finding corresponding pixels within a pair of images is a fundamental computer vision task with various applications. Due to the specific requirements of different tasks like optical flow estimation and local feature matching, previous…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Songyan Zhang , Xinyu Sun , Hao Chen , Bo Li , Chunhua Shen

Visual localization has traditionally been formulated as a pair-wise pose regression problem. Existing approaches mainly estimate relative poses between two images and employ a late-fusion strategy to obtain absolute pose estimates.…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Tianchen Deng , Wenhua Wu , Kunzhen Wu , Guangming Wang , Siting Zhu , Shenghai Yuan , Xun Chen , Guole Shen , Zhe Liu , Hesheng Wang

Recent image-to-3D reconstruction models have greatly advanced geometry generation, but they still struggle to faithfully generate realistic appearance. To address this, we introduce ARM, a novel method that reconstructs high-quality 3D…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Xiang Feng , Chang Yu , Zoubin Bi , Yintong Shang , Feng Gao , Hongzhi Wu , Kun Zhou , Chenfanfu Jiang , Yin Yang

Feature matching is a fundamental and crucial process in visual SLAM, and precision has always been a challenging issue in feature matching. In this paper, based on a multi-level fine matching strategy, we propose a new feature matching…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Shaojie Zhang , Yinghui Wang , Jiaxing Ma , Wei Li , Jinlong Yang , Tao Yan , Yukai Wang , Liangyi Huang , Mingfeng Wang , Ibragim R. Atadjanov

Augmented reality (AR) has gained increasingly attention from both research and industry communities. By overlaying digital information and content onto the physical world, AR enables users to experience the world in a more informative and…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Rui Huang , Chuan Fang , Kejie Qiu , Le Cui , Zilong Dong , Siyu Zhu , Ping Tan

Visual localization on standard-definition (SD) maps has emerged as a promising low-cost and scalable solution for autonomous driving. However, existing regression-based approaches often overlook inherent geometric priors, resulting in…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Xuchang Zhong , Xu Cao , Jinke Feng , Hao Fang

A technique for object localization based on pose estimation and camera calibration is presented. The 3-dimensional (3D) coordinates are estimated by collecting multiple 2-dimensional (2D) images of the object and are utilized for the…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Taha Hasan Masood Siddique , Muhammad Usman

Visual localization is a useful alternative to standard localization techniques. It works by utilizing cameras. In a typical scenario, features are extracted from captured images and compared with geo-referenced databases. Location…

计算机视觉与模式识别 · 计算机科学 2020-06-28 Li Weng , Valerie Gouet-Brunet , Bahman Soheilian

In this paper, we propose the first minimal solutions for estimating the semi-generalized homography given a perspective and a generalized camera. The proposed solvers use five 2D-2D image point correspondences induced by a scene plane. One…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Snehal Bhayani , Torsten Sattler , Daniel Barath , Patrik Beliansky , Janne Heikkila , Zuzana Kukelova