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Karl J. Obermeyer

Researcher at University of California, Santa Barbara

Publications -  12
Citations -  304

Karl J. Obermeyer is an academic researcher from University of California, Santa Barbara. The author has contributed to research in topics: Motion planning & Visibility (geometry). The author has an hindex of 7, co-authored 12 publications receiving 274 citations.

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Journal ArticleDOI

Sampling-Based Path Planning for a Visual Reconnaissance Unmanned Air Vehicle

TL;DR: In this paper, the authors defined cardinality of a set A A, A, A, @A = interior, closure, and boundary of set A, respectively C = cost of an aircraft reconnaissance tour, m d x;x0 = length of shortest aircraft path from state x to state x0, m nsamples = actual number of samples to build a roadmap nsamples are estimated number of sampled to build roadmap rmin = Dubins aircraft minimum turn radius R = s-dimensional Euclidean space S = circle parameterized by angle radians ranging from 0 to
Proceedings ArticleDOI

Path Planning for a UAV Performing Reconnaissance of Static Ground Targets in Terrain

TL;DR: A genetic algorithm is designed to solve the general aircraft visual reconnaissance problem for static ground targets in terrain and shown that, under simplifying assumptions, it can be reduced to a variant of the Traveling Salesman Probem which is called the PVDTSP (Polygon-Visiting Dubins Traveling salesman Problem).
Proceedings ArticleDOI

Sampling-Based Roadmap Methods for a Visual Reconnaissance UAV ∗

TL;DR: Two algorithms are developed to solve the general aircraft visual reconnaissance problem for static ground targets in terrain, called the PVDTSP (Polygon-Visiting Dubins Traveling Salesman Problem), which is shown extensible to handle wind, airspace constraints, any vehicle dynamics, and open-path problems.
Journal ArticleDOI

Multi-agent deployment for visibility coverage in polygonal environments with holes

TL;DR: A distributed algorithm for a group of robotic agents with omnidirectional vision to deploy into nonconvex polygonal environments with holes to achieve full visibility coverage of the environment while maintaining line‐of‐sight connectivity with each other.
Journal ArticleDOI

A complete algorithm for searchlight scheduling

TL;DR: An algorithm for a group of guards statically positioned in a nonconvex polygonal environment with holes that takes an approach known as exact cell decomposition in the motion planning literature to compute a schedule to rotate a set of searchlights in such a way that any target in an environment will necessarily be detected in finite time.