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Existing object localization methods are tailored to locate specific classes of objects, relying heavily on abundant labeled data for model optimization. However, acquiring large amounts of labeled data is challenging in many real-world…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Yunhan Ren , Bo Li , Chengyang Zhang , Yong Zhang , Baocai Yin

In this paper, we propose to go beyond the well-established approach to vision-based localization that relies on visual descriptor matching between a query image and a 3D point cloud. While matching keypoints via visual descriptors makes…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Qunjie Zhou , Sérgio Agostinho , Aljosa Osep , Laura Leal-Taixé

We solve the problem of 6-DoF localisation and 3D dense reconstruction in spatial environments as approximate Bayesian inference in a deep state-space model. Our approach leverages both learning and domain knowledge from multiple-view…

Machine Learning · Statistics 2021-03-16 Atanas Mirchev , Baris Kayalibay , Patrick van der Smagt , Justin Bayer

Single-view place recognition, that we can define as finding an image that corresponds to the same place as a given query image, is a key capability for autonomous navigation and mapping. Although there has been a considerable amount of…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Daniel Olid , José M. Fácil , Javier Civera

Image geolocalization, the task of identifying the geographic location depicted in an image, is important for applications in crisis response, digital forensics, and location-based intelligence. While recent advances in large language…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Lingyao Li , Runlong Yu , Qikai Hu , Bowei Li , Min Deng , Yang Zhou , Xiaowei Jia

Visual-Language Models (VLMs) have shown remarkable performance across various tasks, particularly in recognizing geographic information from images. However, VLMs still show regional biases in this task. To systematically evaluate these…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Jingyuan Huang , Jen-tse Huang , Ziyi Liu , Xiaoyuan Liu , Wenxuan Wang , Jieyu Zhao

We describe a Deep-Geometric Localizer that is able to estimate the full 6 Degree of Freedom (DoF) global pose of the camera from a single image in a previously mapped environment. Our map is a topo-metric one, with discrete topological…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Tom Roussel , Punarjay Chakravarty , Gaurav Pandey , Tinne Tuytelaars , Luc Van Eycken

Visual localization is an attractive problem that estimates the camera localization from database images based on the query image. It is a crucial task for various applications, such as autonomous vehicles, assistive navigation and…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Ruiqi Cheng , Kaiwei Wang , Shufei Lin , Weijian Hu , Kailun Yang , Xiao Huang , Huabing Li , Dongming Sun , Jian Bai

We present a new pipeline for holistic 3D scene understanding from a single image, which could predict object shapes, object poses, and scene layout. As it is a highly ill-posed problem, existing methods usually suffer from inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Cheng Zhang , Zhaopeng Cui , Yinda Zhang , Bing Zeng , Marc Pollefeys , Shuaicheng Liu

Aerial imagery and its direct application to visual localization is an essential problem for many Robotics and Computer Vision tasks. While Global Navigation Satellite Systems (GNSS) are the standard default solution for solving the aerial…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Ivan Moskalenko , Anastasiia Kornilova , Gonzalo Ferrer

We present a complete map management process for a visual localization system designed for multi-vehicle long- term operations in resource constrained outdoor environments. Outdoor visual localization generates large amounts of data that…

Robotics · Computer Science 2018-08-09 Mathias Bürki , Marcin Dymczyk , Igor Gilitschenski , Cesar Cadena , Roland Siegwart , Juan Nieto

Visual localization tackles the challenge of estimating the camera pose from images by using correspondence analysis between query images and a map. This task is computation and data intensive which poses challenges on thorough evaluation…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 Martin Humenberger , Yohann Cabon , Nicolas Guerin , Julien Morat , Vincent Leroy , Jérôme Revaud , Philippe Rerole , Noé Pion , Cesar de Souza , Gabriela Csurka

Mapping and localization are two essential tasks for mobile robots in real-world applications. However, largescale and dynamic scenes challenge the accuracy and robustness of most current mature solutions. This situation becomes even worse…

Robotics · Computer Science 2022-01-19 Fan Wang , Chaofan Zhang , Fulin Tang , Hongkui Jiang , Yihong Wu , Yong Liu

Three-dimensional shape reconstruction of 2D landmark points on a single image is a hallmark of human vision, but is a task that has been proven difficult for computer vision algorithms. We define a feed-forward deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2016-09-29 Ruiqi Zhao , Yan Wang , Aleix Martinez

Real-world robots localize objects from natural-language instructions while scenes around them keep changing. Yet most of the existing 3D visual grounding (3DVG) method still assumes a reconstructed and up-to-date point cloud, an assumption…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Miao Hu , Zhiwei Huang , Tai Wang , Jiangmiao Pang , Dahua Lin , Nanning Zheng , Runsen Xu

We introduce the novel problem of localizing all the instances of an object (seen or unseen during training) in a natural image via sketch query. We refer to this problem as sketch-guided object localization. This problem is distinctively…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Aditay Tripathi , Rajath R Dani , Anand Mishra , Anirban Chakraborty

We propose a new method named LoD-Loc for visual localization in the air. Unlike existing localization algorithms, LoD-Loc does not rely on complex 3D representations and can estimate the pose of an Unmanned Aerial Vehicle (UAV) using a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Juelin Zhu , Shen Yan , Long Wang , Shengyue Zhang , Yu Liu , Maojun Zhang

3D visual grounding (3DVG) involves localizing entities in a 3D scene referred to by natural language text. Such models are useful for embodied AI and scene retrieval applications, which involve searching for objects or patterns using…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Austin T. Wang , ZeMing Gong , Angel X. Chang

Visual place recognition is essential for vision-based robot localization and SLAM. Despite the tremendous progress made in recent years, place recognition in changing environments remains challenging. A promising approach to cope with…

Robotics · Computer Science 2023-04-17 Reihaneh Mirjalili , Michael Krawez , Wolfram Burgard

Capabilities of inference and prediction are significant components of visual systems. In this paper, we address an important and challenging task of them: visual path prediction. Its goal is to infer the future path for a visual object in…

Computer Vision and Pattern Recognition · Computer Science 2016-12-16 Siyu Huang , Xi Li , Zhongfei Zhang , Zhouzhou He , Fei Wu , Wei Liu , Jinhui Tang , Yueting Zhuang