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Visual localization techniques often comprise a hierarchical localization pipeline, with a visual place recognition module used as a coarse localizer to initialize a pose refinement stage. While improving the pose refinement step has been…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Ming Xu , Niko Sünderhauf , Michael Milford

Visual localization aims to determine the camera pose of a query image relative to a database of posed images. In recent years, deep neural networks that directly regress camera poses have gained popularity due to their fast inference…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Siyan Dong , Shuzhe Wang , Shaohui Liu , Lulu Cai , Qingnan Fan , Juho Kannala , Yanchao Yang

Visual Place Recognition (VPR) is the task of retrieving database images similar to a query photo by comparing it to a large database of known images. In real-world applications, extreme illumination changes caused by query images taken at…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Bingxi Liu , Yujie Fu , Feng Lu , Jinqiang Cui , Yihong Wu , Hong Zhang

Autonomous vehicles and driving systems use scene parsing as an essential tool to understand the surrounding environment. Panoptic segmentation is a state-of-the-art technique which proves to be pivotal in this use case. Deep learning-based…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Ankur Chrungoo

Accurate vehicle localization is a crucial step towards building effective Vehicle-to-Vehicle networks and automotive applications. Yet standard grade GPS data, such as that provided by mobile phones, is often noisy and exhibits significant…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Eli Brosh , Matan Friedmann , Ilan Kadar , Lev Yitzhak Lavy , Elad Levi , Shmuel Rippa , Yair Lempert , Bruno Fernandez-Ruiz , Roei Herzig , Trevor Darrell

Despite the remarkable advances in image matching and pose estimation, image-based localization of a camera in a temporally-varying outdoor environment is still a challenging problem due to huge appearance disparity between query and…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Shen Yan , Yu Liu , Long Wang , Zehong Shen , Zhen Peng , Haomin Liu , Maojun Zhang , Guofeng Zhang , Xiaowei Zhou

The overarching goals in image-based localization are scale, robustness and speed. In recent years, approaches based on local features and sparse 3D point-cloud models have both dominated the benchmarks and seen successful realworld…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Simon Lynen , Bernhard Zeisl , Dror Aiger , Michael Bosse , Joel Hesch , Marc Pollefeys , Roland Siegwart , Torsten Sattler

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

High-precision vehicle localization with commercial setups is a crucial technique for high-level autonomous driving tasks. Localization with a monocular camera in LiDAR map is a newly emerged approach that achieves promising balance between…

机器人学 · 计算机科学 2023-05-09 Jinyu Miao , Kun Jiang , Yunlong Wang , Tuopu Wen , Zhongyang Xiao , Zheng Fu , Mengmeng Yang , Maolin Liu , Diange Yang

We address the problem of ground-to-satellite image geo-localization, that is, estimating the camera latitude, longitude and orientation (azimuth angle) by matching a query image captured at the ground level against a large-scale database…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Yujiao Shi , Xin Yu , Liu Liu , Dylan Campbell , Piotr Koniusz , Hongdong Li

Accurate and robust state estimation at nighttime is essential for autonomous robotic navigation to achieve nocturnal or round-the-clock tasks. An intuitive question arises: Can low-cost standard cameras be exploited for nocturnal state…

机器人学 · 计算机科学 2025-03-05 Tianxiao Gao , Mingle Zhao , Chengzhong Xu , Hui Kong

Night-to-Day translation (Night2Day) aims to achieve day-like vision for nighttime scenes. However, processing night images with complex degradations remains a significant challenge under unpaired conditions. Previous methods that uniformly…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Guanzhou Lan , Yuqi Yang , Zhigang Wang , Dong Wang , Bin Zhao , Xuelong Li

We present a method of improving visual place recognition and metric localisation under very strong appear- ance change. We learn an invertable generator that can trans- form the conditions of images, e.g. from day to night, summer to…

计算机视觉与模式识别 · 计算机科学 2018-03-12 Horia Porav , Will Maddern , Paul Newman

Visual (re)localization is critical for various applications in computer vision and robotics. Its goal is to estimate the 6 degrees of freedom (DoF) camera pose for each query image, based on a set of posed database images. Currently, all…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Siyan Dong , Shaohui Liu , Hengkai Guo , Baoquan Chen , Marc Pollefeys

Global localization is an important and widely studied problem for many robotic applications. Place recognition approaches can be exploited to solve this task, e.g., in the autonomous driving field. While most vision-based approaches match…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Daniele Cattaneo , Matteo Vaghi , Simone Fontana , Augusto Luis Ballardini , Domenico Giorgio Sorrenti

Capturing and labeling camera images in the real world is an expensive task, whereas synthesizing labeled images in a simulation environment is easy for collecting large-scale image data. However, learning from only synthetic images may not…

计算机视觉与模式识别 · 计算机科学 2018-07-06 Tadanobu Inoue , Subhajit Chaudhury , Giovanni De Magistris , Sakyasingha Dasgupta

We address the visual relocalization problem of predicting the location and camera orientation or pose (6DOF) of the given input scene. We propose a method based on how humans determine their location using the visible landmarks. We define…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Soham Saha , Girish Varma , C. V. Jawahar

Robotic learning in simulation environments provides a faster, more scalable, and safer training methodology than learning directly with physical robots. Also, synthesizing images in a simulation environment for collecting large-scale image…

机器人学 · 计算机科学 2017-09-21 Tadanobu Inoue , Subhajit Chaudhury , Giovanni De Magistris , Sakyasingha Dasgupta

This paper introduces a visual-based localization method for autonomous vehicles (AVs) that operate in the absence of any complicated hardware system but a single camera. Visual localization refers to techniques that aim to find the…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Sara Zahedian , Kaveh Farokhi Sadabadi , Amir Nohekhan

Accurate lane localization and lane change detection are crucial in advanced driver assistance systems and autonomous driving systems for safer and more efficient trajectory planning. Conventional localization devices such as Global…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Zhensong Wei , Chao Wang , Peng Hao , Matthew Barth