Cellular topology optimization on differentiable Voronoi diagrams

F Feng, S Xiong, Z Liu, Z Xian, Y Zhou… - International Journal …, 2023 - Wiley Online Library
Cellular structures manifest their outstanding mechanical properties in many biological
systems. One key challenge for designing and optimizing these geometrically complicated …

Lpac: Learnable perception-action-communication loops with applications to coverage control

S Agarwal, R Muthukrishnan, W Gosrich… - arXiv preprint arXiv …, 2024 - arxiv.org
Coverage control is the problem of navigating a robot swarm to collaboratively monitor
features or a phenomenon of interest not known a priori. The problem is challenging in …

POLYLLA: polygonal meshing algorithm based on terminal-edge regions

S Salinas-Fernández, N Hitschfeld-Kahler… - Engineering with …, 2022 - Springer
This paper presents an algorithm to generate a new kind of polygonal mesh obtained from
triangulations. Each polygon is built from a terminal-edge region surrounded by edges that …

[HTML][HTML] A fine-grained navigation network construction method for urban environments

X Lou, M Sun, S Yang - International Journal of Applied Earth Observation …, 2022 - Elsevier
Fine-grained navigation is becoming increasingly demanded in urban areas. However,
current navigation software fails to provide accurate paths on grounds without roads (GWR) …

Map evaluation using matched topology graphs

S Schwertfeger, A Birk - Autonomous Robots, 2016 - Springer
Mapping is an important task for mobile robots. The assessment of the quality of maps in a
simple, efficient and automated way is not trivial and an ongoing research topic. Here, a new …

Area graph: Generation of topological maps using the voronoi diagram

J Hou, Y Yuan, S Schwertfeger - 2019 19th International …, 2019 - ieeexplore.ieee.org
Representing a scanned map of the real environment as a topological structure is an
important research topic in robotics. Since topological representations of maps save a huge …

Evaluation of map quality by matching and scoring high-level, topological map structures

S Schwertfeger, A Birk - 2013 IEEE international conference on …, 2013 - ieeexplore.ieee.org
Mapping is an important task for mobile robots. But assessing the quality of maps in a
simple, efficient and automated way is not trivial and an ongoing research topic. A new …

Matching maps based on the area graph

J Hou, Y Yuan, Z He, S Schwertfeger - Intelligent Service Robotics, 2022 - Springer
Topological maps are often used in robotics. This paper presents a novel topological map
representation, the Area Graph, and how to extract it from 2D grid maps. This representation …

[HTML][HTML] Dewetting and spreading transitions for active matter on random pinning substrates

C Sándor, A Libál, C Reichhardt… - The Journal of chemical …, 2017 - pubs.aip.org
We show that sterically interacting self-propelled disks in the presence of random pinning
substrates exhibit transitions among a variety of different states. In particular, from a phase …

[PDF][PDF] Robotic mapping in the real world: Performance evaluation and system integration

S Schwertfeger - 2013 - researchgate.net
Being able to generate maps is a significant capability for mobile robots. Measuring the
performance of robotic systems in general, but also particularly of their mapping, is important …