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- ArticleOctober 2024
MARs: Multi-view Attention Regularizations for Patch-Based Feature Recognition of Space Terrain
AbstractThe visual detection and tracking of surface terrain is required for spacecraft to safely land on or navigate within close proximity to celestial objects. Current approaches rely on template matching with pre-gathered patch-based features, which ...
- research-articleSeptember 2024
A Comprehensive Study of Systems Challenges in Visual Simultaneous Localization and Mapping Systems
ACM Transactions on Embedded Computing Systems (TECS), Volume 24, Issue 1Article No.: 2, Pages 1–31https://doi.org/10.1145/3677317Visual SLAM systems are concurrent, performance-critical systems that respond to real-time environmental conditions and are frequently deployed on resource-constrained hardware. Previous work has identified three interconnected systems challenges to ...
- ArticleSeptember 2024
A View-Planning Approach to 3D Reconstruction
AbstractThis paper introduces a novel approach for optimizing image capture using View-Planning (VP) to enhance Gaussian splatting for 3D reconstruction of archaeological sites, specifically focusing on Castellaraccio di Monteverdi. Traditional ...
- research-articleJune 2024
VRF: Vehicle Road-side Point Cloud Fusion
MOBISYS '24: Proceedings of the 22nd Annual International Conference on Mobile Systems, Applications and ServicesPages 547–560https://doi.org/10.1145/3643832.3661874Autonomous vehicles and human drivers are prone to line-of-sight limitations. Road-side mounted 3D sensors like LiDARs can augment a vehicle's on-board perception. However, this entails fusing 3D frames at low latency and high accuracy. Road-side and ...
- research-articleJanuary 2024
Design of an Adaptive Lightweight LiDAR to Decouple Robot–Camera Geometry
IEEE Transactions on Robotics (TOR), Volume 40Pages 2254–2271https://doi.org/10.1109/TRO.2024.3371885A fundamental challenge in robot perception is the coupling of the sensor pose and robot pose. This has led to research in active vision where the robot pose is changed to reorient the sensor to areas of interest for perception. Furthermore, egomotion, ...
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- research-articleOctober 2023
Anemoi: A Low-cost Sensorless Indoor Drone System for Automatic Mapping of 3D Airflow Fields
- Stephen Xia,
- Minghui Zhao,
- Charuvahan Adhivarahan,
- Kaiyuan Hou,
- Yuyang Chen,
- Jingping Nie,
- Eugene Wu,
- Karthik Dantu,
- Xiaofan Jiang
ACM MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing and NetworkingArticle No.: 77, Pages 1–16https://doi.org/10.1145/3570361.3613292Mapping 3D airflow fields is important for many HVAC, industrial, medical, and home applications. However, current approaches are expensive and time-consuming. We present Anemoi, a sub-$100 drone-based system for autonomously mapping 3D airflow fields ...
- research-articleAugust 2023
AI-driven sign language interpretation for nigerian children at home
IJCAI '23: Proceedings of the Thirty-Second International Joint Conference on Artificial IntelligenceArticle No.: 710, Pages 6395–6404https://doi.org/10.24963/ijcai.2023/710As many as three million school age children between the ages of 5 and 14 years, live with severe to profound hearing loss in Nigeria. Many of these Deaf or Hard of Hearing (DHH) children developed their hearing loss later in life, non-congenitally, ...
- research-articleOctober 2022
- research-articleJuly 2022
Reliable Digital Forensics in the Air: Exploring an RF-based Drone Identification System
- Zhengxiong Li,
- Baicheng Chen,
- Xingyu Chen,
- Chenhan Xu,
- Yuyang Chen,
- Feng Lin,
- Changzhi Li,
- Karthik Dantu,
- Kui Ren,
- Wenyao Xu
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 6, Issue 2Article No.: 63, Pages 1–25https://doi.org/10.1145/3534598As the drone becomes widespread in numerous crucial applications with many powerful functionalities (e.g., reconnaissance and mechanical trigger), there are increasing cases related to misused drones for unethical even criminal activities. Therefore, it ...
- posterJune 2022
A modular, extensible framework for modern visual SLAM systems
MobiSys '22: Proceedings of the 20th Annual International Conference on Mobile Systems, Applications and ServicesPages 579–580https://doi.org/10.1145/3498361.3538793Visual SLAM is a long-standing research area with many significant advances over the years. New systems typically build on previous contributions, but this requires significant development overhead, a highly detailed understanding of previous system ...
- short-paperMarch 2022
A quantitative analysis of system bottlenecks in visual SLAM
HotMobile '22: Proceedings of the 23rd Annual International Workshop on Mobile Computing Systems and ApplicationsPages 74–80https://doi.org/10.1145/3508396.3512882Visual SLAM systems are concurrent, performance-critical systems that respond to real-time environmental conditions and are frequently deployed on resource-constrained hardware. Previous SLAM frameworks have primarily focused on algorithmic advances and ...
- research-articleOctober 2021
Using Physiological Information to Classify Task Difficulty in Human-Swarm Interaction
- Joseph P. Distefano,
- Hemanth Manjunatha,
- Souma Chowdhury,
- Karthik Dantu,
- David Doermann,
- Ehsan T. Esfahani
2021 IEEE International Conference on Systems, Man, and Cybernetics (SMC)Pages 1198–1203https://doi.org/10.1109/SMC52423.2021.9658653Human-swarm interaction has recently gained attention due to its plethora of new applications in disaster relief, surveillance, rescue, and exploration. However, if the task difficulty increases, the performance of the human operator decreases, thereby ...
- research-articleSeptember 2021
JCopter: Reliable UAV Software Through Managed Languages
2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)Pages 4282–4289https://doi.org/10.1109/IROS51168.2021.9636617UAVs are deployed in various applications including disaster search-and-rescue, precision agriculture, law enforcement and first response. As UAV software systems grow more complex, the drawbacks of developing them in low-level languages become more ...
Rushmore: securely displaying static and animated images using TrustZone
- Chang Min Park,
- Donghwi Kim,
- Deepesh Veersen Sidhwani,
- Andrew Fuchs,
- Arnob Paul,
- Sung-Ju Lee,
- Karthik Dantu,
- Steven Y. Ko
MobiSys '21: Proceedings of the 19th Annual International Conference on Mobile Systems, Applications, and ServicesPages 122–135https://doi.org/10.1145/3458864.3467887We present Rushmore, a system that securely displays static or animated images using TrustZone. The core functionality of Rushmore is to securely decrypt and display encrypted images (sent by a trusted party) on a mobile device. Although previous ...
- research-articleMay 2021
Scalable Coverage Path Planning of Multi-Robot Teams for Monitoring Non-Convex Areas
2021 IEEE International Conference on Robotics and Automation (ICRA)Pages 7393–7399https://doi.org/10.1109/ICRA48506.2021.9561550This paper presents a novel multi-robot coverage path planning (CPP) algorithm - aka SCoPP - that provides a time-efficient solution, with workload balanced plans for each robot in a multi-robot system, based on their initial states. This algorithm ...
- research-articleNovember 2021
Understanding Bounding Functions in Safety-Critical UAV Software
ICSE '21: Proceedings of the 43rd International Conference on Software EngineeringPages 1311–1322https://doi.org/10.1109/ICSE43902.2021.00119Unmanned Aerial Vehicles (UAVs) are an emerging computation platform known for their safety-critical need. In this paper, we conduct an empirical study on a widely used open-source UAV software framework, Paparazzi, with the goal of understanding the ...
- doctoral_thesisJanuary 2021
Addressing Stability, Transferability, and Interpretability Issues in Physical Human-Robot Interaction Using Physiological Data and Deep Learning
AbstractFor decades automation has occupied a central stage in industrial revolution 3.0, from air space technology to manufacturing robotics. Today, the robots and automation technologies that once operated in a closed environment are increasingly ...
- doctoral_thesisJanuary 2021
Decentralized Planning Algorithms and Hybrid Learning for Scalable and Explainable Swarm Robotic Systems
AbstractSwarm robotic system is a large number of autonomous systems working together to accomplish collective goals. Swarm systems offer remarkable operational flexibility, efficiency, and fault-tolerance, compared to sophisticated standalone systems. ...