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Rearrangement planning for object retrieval tasks from confined spaces is a challenging problem, primarily due to the lack of open space for robot motion and limited perception. Several traditional methods exist to solve object retrieval…

Robotics · Computer Science 2024-02-13 Hanwen Ren , Ahmed H. Qureshi

Understanding and addressing corner cases is essential for ensuring the safety and reliability of autonomous driving systems. Vision-language models (VLMs) play a crucial role in enhancing scenario comprehension, yet they face significant…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Yujin Wang , Quanfeng Liu , Jiaqi Fan , Jinlong Hong , Hongqing Chu , Mengjian Tian , Bingzhao Gao , Hong Chen

The dominant paradigm in image retrieval systems today is to search large databases using global image features, and re-rank those initial results with local image feature matching techniques. This design, dubbed global-to-local, stems from…

Information Retrieval · Computer Science 2025-09-08 Dror Aiger , Bingyi Cao , Kaifeng Chen , Andre Araujo

The ability for a moving agent to localize itself in environment is the basic demand for emerging applications, such as autonomous driving, etc. Many existing methods based on multiple sensors still suffer from drift. We propose a scheme…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Longrui Dong , Gang Zeng

Visual place recognition is the task of recognizing same places of query images in a set of database images, despite potential condition changes due to time of day, weather or seasons. It is important for loop closure detection in SLAM and…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Stefan Schubert , Peer Neubert , Peter Protzel

Night time semantic segmentation is a crucial task in computer vision, focusing on accurately classifying and segmenting objects in low-light conditions. Unlike daytime techniques, which often perform worse in nighttime scenes, it is…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Sarah Elmahdy , Rodaina Hebishy , Ali Hamdi

We propose a novel recurrent attentional structure to localize and recognize objects jointly. The network can learn to extract a sequence of local observations with detailed appearance and rough context, instead of sliding windows or…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Jie Lyu , Zejian Yuan , Dapeng Chen

The allocation of computation resources in the backbone is a crucial issue in object detection. However, classification allocation pattern is usually adopted directly to object detector, which is proved to be sub-optimal. In order to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-25 Feng Liang , Chen Lin , Ronghao Guo , Ming Sun , Wei Wu , Junjie Yan , Wanli Ouyang

State-of-the-art hierarchical localisation pipelines (HLoc) employ image retrieval (IR) to establish 2D-3D correspondences by selecting the top-$k$ most similar images from a reference database. While increasing $k$ improves localisation…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Changkun Liu , Jianhao Jiao , Huajian Huang , Zhengyang Ma , Dimitrios Kanoulas , Tristan Braud

Semantic understanding and localization are fundamental enablers of robot autonomy that have for the most part been tackled as disjoint problems. While deep learning has enabled recent breakthroughs across a wide spectrum of scene…

Robotics · Computer Science 2018-10-12 Noha Radwan , Abhinav Valada , Wolfram Burgard

Localization in already mapped environments is a critical component in many robotics and automotive applications, where previously acquired information can be exploited along with sensor fusion to provide robust and accurate localization…

Robotics · Computer Science 2024-09-10 Lorenzo Montano-Oliván , Julio A. Placed , Luis Montano , María T. Lázaro

Visual place recognition is the task of recognizing a place depicted in an image based on its pure visual appearance without metadata. In visual place recognition, the challenges lie upon not only the changes in lighting conditions, camera…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Duc Canh Le , Chan Hyun Youn

Learning-based visual relocalizers exhibit leading pose accuracy, but require hours or days of training. Since training needs to happen on each new scene again, long training times make learning-based relocalization impractical for most…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Eric Brachmann , Tommaso Cavallari , Victor Adrian Prisacariu

Physically rearranging objects is an important capability for embodied agents. Visual room rearrangement evaluates an agent's ability to rearrange objects in a room to a desired goal based solely on visual input. We propose a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Brandon Trabucco , Gunnar Sigurdsson , Robinson Piramuthu , Gaurav S. Sukhatme , Ruslan Salakhutdinov

Most state-of-the-art localization algorithms rely on robust relative pose estimation and geometry verification to obtain moving object agnostic camera poses in complex indoor environments. However, this approach is prone to mistakes if a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Martina Dubenova , Anna Zderadickova , Ondrej Kafka , Tomas Pajdla , Michal Polic

Camera relocalization is pivotal in computer vision, with applications in AR, drones, robotics, and autonomous driving. It estimates 3D camera position and orientation (6-DoF) from images. Unlike traditional methods like SLAM, recent…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Zhendong Xiao , Changhao Chen , Shan Yang , Wu Wei

Camera localization is a fundamental and key component of autonomous driving vehicles and mobile robots to localize themselves globally for further environment perception, path planning and motion control. Recently end-to-end approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Mi Tian , Qiong Nie , Hao Shen

Deep learning has achieved impressive results in camera localization, but current single-image techniques typically suffer from a lack of robustness, leading to large outliers. To some extent, this has been tackled by sequential…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Bing Wang , Changhao Chen , Chris Xiaoxuan Lu , Peijun Zhao , Niki Trigoni , Andrew Markham

We attack the problem of learning concepts automatically from noisy web image search results. Going beyond low level attributes, such as colour and texture, we explore weakly-labelled datasets for the learning of higher level concepts, such…

Computer Vision and Pattern Recognition · Computer Science 2013-12-17 Eren Golge , Pinar Duygulu

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…

Computer Vision and Pattern Recognition · Computer Science 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