activity
20192024
most citedSeePerSea: Multi-modal Perception Dataset of In-water Objects for Autonomous Surface Vehicles

8 citations · 14 across the 5 of their papers we have counts for

collaborators

5 papers

cs.CV2024★ 1 cited

Improving the perception of visual fiducial markers in the field using Adaptive Active Exposure Control

Ziang Ren, Samuel Lensgraf, Alberto Quattrini Li

Accurate localization is fundamental for autonomous underwater vehicles (AUVs) to carry out precise tasks, such as manipulation and construction. Vision-based solutions using fiduc…

cs.RO2024★ 8 cited

SeePerSea: Multi-modal Perception Dataset of In-water Objects for Autonomous Surface Vehicles

Mingi Jeong, Arihant Chadda, Ziang Ren +8

This paper introduces the first publicly accessible labeled multi-modal perception dataset for autonomous maritime navigation, focusing on in-water obstacles within the aquatic env…

cs.RO2023

Scalable underwater assembly with reconfigurable visual fiducials

Samuel Lensgraf, Ankita Sarkar, Adithya Pediredla +2

We present a scalable combined localization infrastructure deployment and task planning algorithm for underwater assembly. Infrastructure is autonomously modified to suit the needs…

cs.RO2023

Buoyancy enabled autonomous underwater construction with cement blocks

Samuel Lensgraf, Devin Balkcom, Alberto Quattrini Li

We present the first free-floating autonomous underwater construction system capable of using active ballasting to transport cement building blocks efficiently. It is the first fre…

cs.RO2019★ 5 cited

PuzzleFlex: kinematic motion of chains with loose joints

Samuel Lensgraf, Karim Itani, Yinan Zhang +7

This paper presents a method of computing free motions of a planar assembly of rigid bodies connected by loose joints. Joints are modeled using local distance constraints, which ar…