An Incremental Angle Point in Polygon Test

Weiler, Kevin

doi:10.1016/b978-0-12-336156-1.50012-4

Cited by 9 publications

(4 citation statements)

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“…Two are the main ways to compute the winding number. The first technique involves to sum up the angles subtended by each side of the polygon [94]. It is generally slower than the ray casting algorithm since it involves the use of inverse trigonometric functions, which are computationally heavy.…”

Section: Winding Number Version -mentioning

confidence: 99%

sEMG-based Control Strategy for a Hand Exoskeleton System

Secciani

2022

Springer Theses

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Section: Winding Number Version -mentioning

confidence: 99%

sEMG-based Control Strategy for a Hand Exoskeleton System

Secciani

2022

Springer Theses

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“…III-E.3) are set. In a subsequent frame, a re-detection is triggered if the centroid of the ROI in the current frame is within the corners of an existing ROI, which is determined by the winding number method [31]. In this event, only the tracked ROI statistics are updated.…”

Section: Region Classificationmentioning

confidence: 99%

Free LSD: Prior-Free Visual Landing Site Detection for Autonomous Planes

Hinzmann

Stastny

Cadena

et al. 2018

IEEE Robot. Autom. Lett.

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Full autonomy for fixed-wing unmanned aerial vehicles (UAVs) requires the capability to autonomously detect potential landing sites in unknown and unstructured terrain, allowing for self-governed mission completion or handling of emergency situations. In this work, we propose a perception system addressing this challenge by detecting landing sites based on their texture and geometric shape without using any prior knowledge about the environment. The proposed method considers hazards within the landing region such as terrain roughness and slope, surrounding obstacles that obscure the landing approach path, and the local wind field that is estimated by the on-board EKF. The latter enables applicability of the proposed method on small-scale autonomous planes without landing gear. A safe approach path is computed based on the UAV dynamics, expected state estimation and actuator uncertainty, and the on-board computed elevation map. The proposed framework has been successfully tested on photo-realistic synthetic datasets and in challenging real-world environments.

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“…In fact, the hodograph is the trajectory of the movement of the pole of one figure around the other, pre serving the conditions for their mutual contact [1][2][3]. Let's illustrate the fulfillment of this condition by the example of two polygons (Fig.…”

Section: The Object Of Research and Its Technological Auditmentioning

confidence: 99%

“…In the opinion of the authors [1][2][3], for construction of rational nesting patterns, a dense placement of the details is necessary, that is, a hodograph must be created. At the same time, the authors of [1] note that an essential disadvantage of hodographs is that they are constructed only for the same type of figures.…”

Section: Research Of Existing Solutions Of the Problemmentioning

confidence: 99%

Programming of the search algorithm for point belonging to the polygon and the mutual non-intersection of the figures

Гаврилов

2017

TAPR

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An Incremental Angle Point in Polygon Test

Cited by 9 publications

References 1 publication

sEMG-based Control Strategy for a Hand Exoskeleton System

sEMG-based Control Strategy for a Hand Exoskeleton System

Free LSD: Prior-Free Visual Landing Site Detection for Autonomous Planes

Programming of the search algorithm for point belonging to the polygon and the mutual non-intersection of the figures

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