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Hengdong Li

dblp:353/6007 · DBLP profile ↗
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1ranked-venue papers
0as first author
1since 2021 · last 2023
—ORCID · unresolved

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 since 2021Systems, architecture and hardware · 1 · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
1 paper
Robot navigation and mapping · 62% 3D vision · 38%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Computer vision › 3D vision › visual localization
cross-view localization
0.712023
Satellite Image Based Cross-view Localization for Autonomous Vehicle · ICRA 2023
Robotics › Robot navigation and mapping › localization › outdoor localization
satellite image-based localization
0.712023
Satellite Image Based Cross-view Localization for Autonomous Vehicle · ICRA 2023
Robotics › Robot navigation and mapping › localization
map-based localization
0.212023
Satellite Image Based Cross-view Localization for Autonomous Vehicle · ICRA 2023
Robotics › Robot navigation and mapping › localization
vehicle localization
0.212023
Satellite Image Based Cross-view Localization for Autonomous Vehicle · ICRA 2023

Methods — techniques the papers use, named apart from their topics

triplet loss · 0.7levenberg-marquardt algorithm · 0.7geometric-align feature extractor · 0.7
YearPublicationVenuePosition
2023 Satellite Image Based Cross-view Localization for Autonomous Vehicle
abstract
Existing spatial localization techniques for au-tonomous vehicles mostly use a pre-built 3D-HD map, often constructed using a survey-grade 3D mapping vehicle, which is not only expensive but also laborious. This paper shows that by using an off-the-shelf high-definition satellite image as a ready-to-use map, we are able to achieve cross-view vehicle localization up to a satisfactory accuracy, providing a cheaper and more practical way for localization. While the utilization of satellite imagery for cross-view localization is an established concept, the conventional methodology focuses primarily on image re-trieval. This paper introduces a novel approach to cross-view localization that departs from the conventional image retrieval method. Specifically, our method develops (1) a Geometric-align Feature Extractor (GaFE) that leverages measured 3D points to bridge the geometric gap between ground and overhead views, (2) a Pose Aware Branch (PAB) adopting a triplet loss to encourage pose-aware feature extraction, and (3) a Recursive Pose Refine Branch (RPRB) using the Levenberg-Marquardt (LM) algorithm to align the initial pose towards the true vehicle pose iteratively. Our method is validated on KITTI and Ford Multi-AV Seasonal datasets as ground view and Google Maps as the satellite view. The results demonstrate the superiority of our method in cross-view localization with median spatial and angular errors within 1 meter and 1°, respectively.
Shan Wang 0010, Yanhao Zhang 0003, Ankit Vora, Akhil Perincherry, Hengdong Li
ICRA5