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We propose a method of improving detection precision (mAP) with the help of the prior knowledge about the scene geometry: we assume the scene to be a plane with objects placed on it. We focus our attention on autonomous robots, so given the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Ivan Khokhlov , Egor Davydenko , Ilya Osokin , Ilya Ryakin , Azer Babaev , Vladimir Litvinenko , Roman Gorbachev

Worldwide image geolocalization, which aims to predict the GPS coordinates of any image on Earth, remains challenging due to global visual diversity. Recent generative approaches based on Retrieval-Augmented Generation (RAG) and Large…

Information Retrieval · Computer Science 2026-04-29 Tung-Duong Le-Duc , Hoang-Quoc Nguyen-Son , Minh-Son Dao

A single color image can contain many cues informative towards different aspects of local geometric structure. We approach the problem of monocular depth estimation by using a neural network to produce a mid-level representation that…

Computer Vision and Pattern Recognition · Computer Science 2016-09-08 Ayan Chakrabarti , Jingyu Shao , Gregory Shakhnarovich

Geographic object-based image analysis (GEOBIA) framework has gained increasing interest recently. Following this popular paradigm, we propose a novel multiscale classification approach operating on a hierarchical image representation built…

Computer Vision and Pattern Recognition · Computer Science 2016-07-13 Yanwei Cui , Sébastien Lefevre , Laetitia Chapel , Anne Puissant

Object detection in optical remote sensing images, being a fundamental but challenging problem in the field of aerial and satellite image analysis, plays an important role for a wide range of applications and is receiving significant…

Computer Vision and Pattern Recognition · Computer Science 2016-04-05 Gong Cheng , Junwei Han

Visible light communication (VLC) systems are promising candidates for future indoor access and peer-to-peer networks. The performance of these systems, however, is vulnerable to the line of sight (LOS) link blockage due to objects inside…

Information Theory · Computer Science 2020-09-10 Hamid Hosseinianfar , Maite Brandt-Pearce

In this paper, we address the problem of cross-view image geo-localization. Specifically, we aim to estimate the GPS location of a query street view image by finding the matching images in a reference database of geo-tagged bird's eye view…

Computer Vision and Pattern Recognition · Computer Science 2017-03-24 Yicong Tian , Chen Chen , Mubarak Shah

This paper tackles the task of estimating the topology of road networks from aerial images. Building on top of a global model that performs a dense semantical classification of the pixels of the image, we design a Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2018-08-30 Carles Ventura , Jordi Pont-Tuset , Sergi Caelles , Kevis-Kokitsi Maninis , Luc Van Gool

This paper introduces an approach to produce accurate 3D detection boxes for objects on the ground using single monocular images. We do so by merging 2D visual cues, 3D object dimensions, and ground plane constraints to produce boxes that…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Akshay Rangesh , Mohan M. Trivedi

Stairs are common building structures in urban environments, and stair detection is an important part of environment perception for autonomous mobile robots. Most existing algorithms have difficulty combining the visual information from…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Chen Wang , Zhongcai Pei , Shuang Qiu , Zhiyong Tang

Aerial or satellite imagery is a great source for land surface analysis, which might yield land use maps or elevation models. In this investigation, we present a neural network framework for learning semantics and local height together. We…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Marcela Carvalho , Bertrand Le Saux , Pauline Trouvé-Peloux , Frédéric Champagnat , Andrés Almansa

Image geolocalization is the challenging task of predicting the geographic coordinates of origin for a given photo. It is an unsolved problem relying on the ability to combine visual clues with general knowledge about the world to make…

Computer Vision and Pattern Recognition · Computer Science 2023-02-02 Lukas Haas , Silas Alberti , Michal Skreta

Estimating the current scene and understanding the potential maneuvers are essential capabilities of automated vehicles. Most approaches rely heavily on the correctness of maps, but neglect the possibility of outdated information. We…

Robotics · Computer Science 2020-07-15 Annika Meyer , Jonas Walter , Martin Lauer

With the rapid growth of the low-altitude economy, UAVs have become crucial for measurement and tracking in patrol systems. However, in GNSS-denied areas, satellite-based localization methods are prone to failure. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Tao Liu , Kan Ren , Qian Chen

Terrain elevation modeling for off-road navigation aims to accurately estimate changes in terrain geometry in real-time and quantify the corresponding uncertainties. Having precise estimations and uncertainties plays a crucial role in…

Robotics · Computer Science 2025-08-11 Sanghun Jung , Daehoon Gwak , Byron Boots , James Hays

Today's autonomous vehicles rely extensively on high-definition 3D maps to navigate the environment. While this approach works well when these maps are completely up-to-date, safe autonomous vehicles must be able to corroborate the map's…

Computer Vision and Pattern Recognition · Computer Science 2016-12-09 Ari Seff , Jianxiong Xiao

Many man-made objects are characterised by a shape that is symmetric along one or more planar directions. Estimating the location and orientation of such symmetry planes can aid many tasks such as estimating the overall orientation of an…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Mihaela Cătălina Stoian , Tommaso Cavallari

Neural Radiance Fields (NeRF) has been applied to various tasks related to representations of 3D scenes. Most studies based on NeRF have focused on a small object, while a few studies have tried to reconstruct large-scale scenes although…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Hinata Aoki , Takao Yamanaka

In this paper, we propose to combine detections from background subtraction and from a multiclass object detector for multiple object tracking (MOT) in urban traffic scenes. These objects are associated across frames using spatial, colour…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Hui-Lee Ooi , Guillaume-Alexandre Bilodeau , Nicolas Saunier

We present a new two-stage pipeline for predicting frames of traffic scenes where relevant objects can still reliably be detected. Using a recent video prediction network, we first generate a sequence of future frames based on past frames.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Peter König , Sandra Aigner , Marco Körner