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An intensity-enhanced LiDAR SLAM for unstructured environments
Measurement science and technology, 2023Traditional LiDAR simultaneous localization and mapping (SLAM) methods rely on geometric features such as lines and planes to estimate pose. However, in unstructured environments where geometric features are sparse or absent, point cloud registration may
Zhiqiang Dai +5 more
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Navigation in complex unstructured environments
ICARCV 2004 8th Control, Automation, Robotics and Vision Conference, 2004., 2005Autonomous navigation in complex unstructured environments has recently stimulated considerable interest among the robotics research community. This paper discusses the major challenges such as robust feature extraction and data association or the correspondence problem faced in achieving the above goal.
W.S. Wijesoma, L.D.L. Perera, M.D. Adams
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Informative representations of unstructured environments
IEEE International Conference on Robotics and Automation, 2004. Proceedings. ICRA '04. 2004, 2004Perception by autonomous systems, in unstructured dynamic worlds, is one of the significant research challenges in the development of effective intelligent systems. Nonlinear dimensionality reduction techniques have been extensively utilized within the artificial intelligence community to devise compact representations of high dimensional data.
S. Kumar, J. Guivant, H. Durrant-Whyte
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Vehicle Planning in Unstructured Environments
Infotech@Aerospace, 2005A new physics-based method for autonomous vehicle guidance and planning in unstructured outdoor environments. The method guides a vehicle autonomously over dicult terrain, including areas that approach the maximum rough-terrain ability of the vehicle. Current algorithms focus on static capabilities of the vehicle, such as the largest obstacle that can ...
Alexander Green +2 more
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Distributed amorphous ramp construction in unstructured environments
Robotica, 2014SUMMARYWe present a model of construction using iterative amorphous depositions and give a distributed algorithm to reliably build ramps in unstructured environments. The relatively simple local strategy for interacting with irregularly shaped, partially built structures gives rise to robust adaptive global properties.
Nils Napp, Radhika Nagpal
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Evaluating Information Prescriptions in Unstructured Environments
2010 43rd Hawaii International Conference on System Sciences, 2010Information exchange in the Emergency Department between patients and providers is critical for safe, effective patient care. The episodic nature of ED interactions between patients and doctors who are essentially unknown to each other makes this communication even more tenuous.
Steven Bird +2 more
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IEEE Robotics and Automation Letters
Unstructured environments such as mountains, caves, construction sites, or disaster areas are challenging for autonomous navigation because of terrain irregularities.
Dongkyu Lee +4 more
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Unstructured environments such as mountains, caves, construction sites, or disaster areas are challenging for autonomous navigation because of terrain irregularities.
Dongkyu Lee +4 more
semanticscholar +1 more source
Influence of Surface Tactile Data Quantity on Material Classification in Unstructured Environments
IEEE Transactions on Instrumentation and Measurement, 2021The tactile sensor design and data measurements have been playing an important role in surface material recognition. In inevitable unstructured environments, the performance of the material classification is bottlenecked by multimodal deficiency or data ...
Dongyan Nie, Jialin Liu, Xiaoying Sun
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IEEE Robotics and Automation Letters
Ground point cloud extraction is crucial for route planning of autonomous vehicles in unstructured environments. However, mainstream point cloud extraction methods are susceptible to inaccuracies due to the indistinct obstacle-ground boundary ...
Ruoyao Li +5 more
semanticscholar +1 more source
Ground point cloud extraction is crucial for route planning of autonomous vehicles in unstructured environments. However, mainstream point cloud extraction methods are susceptible to inaccuracies due to the indistinct obstacle-ground boundary ...
Ruoyao Li +5 more
semanticscholar +1 more source
Supervisory control of telerobots in unstructured environments
Fifth International Conference on Advanced Robotics 'Robots in Unstructured Environments, 1991This paper presents a supervisory control concept for exploiting autonomous robot functionality in an unstructured environment. Through an effective man-machine dialogue, the operator uses human perceptual and planning abilities to assist the robot in acquiring a model of the environment.
Burtnyk, N., Basran, J.
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