Results 41 to 50 of about 1,948,157 (189)

Straight Line motion with rigid sets [PDF]

open access: yes, 2014
If one is given a rigid triangle in the plane or space, we show that the only motion possible, where each vertex of the triangle moves along a straight line, is given by a hypocycloid line drawer in the plane, and a natural extension in three-space. Each
Connelly, Robert, Montejano, Luis
core  

Drawing Trees with Perfect Angular Resolution and Polynomial Area

open access: yes, 2012
We study methods for drawing trees with perfect angular resolution, i.e., with angles at each node v equal to 2{\pi}/d(v). We show: 1. Any unordered tree has a crossing-free straight-line drawing with perfect angular resolution and polynomial area. 2.
A Garg   +22 more
core   +2 more sources

Test Results on the Silicon Pixel Detector for the TTF-FEL Beam Trajectory Monitor [PDF]

open access: yes, 2000
Test measurements on the silicon pixel detector for the beam trajectory monitor at the free electron laser of the TESLA test facility are presented.
Bonifacio   +21 more
core   +3 more sources

Straight-line Drawability of a Planar Graph Plus an Edge

open access: yes, 2015
We investigate straight-line drawings of topological graphs that consist of a planar graph plus one edge, also called almost-planar graphs. We present a characterization of such graphs that admit a straight-line drawing.
C Gutwenger   +8 more
core   +1 more source

Straight line matching method based on line pairs and feature points

open access: yesIET Computer Vision, 2016
Straight line matching is a fundamental task in many applications such as scene matching, stereo vision and sequence images analysis. As individual line segments cannot completely present the information of image and methods based on them are difficult ...
Jiexian Zeng   +3 more
doaj   +1 more source

Determination and estimation of the straight the straight line parameters with the compass coupling

open access: yesОсвітній вимір, 2006
A combined method of interpretation of a fluent curve Itne by the line with compass coupling and determination of its parameters and calculation precision estimation was suggested by the author.
A.V. Mastipanova
doaj   +1 more source

Walking Route–Based Calculation is Recommended for Optimizing Deployment of Publicly Accessible Defibrillators in Urban Cities

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2020
Background A straight line–based model is often used to calculate the distance between an out‐of‐hospital cardiac arrest (OHCA) and the location of an automated external defibrillator (AED).
Min Fan   +2 more
doaj   +1 more source

Pigeons discriminate continuous versus discontinuous line segments [PDF]

open access: yes, 2007
Three experiments examined various facets of the perception of continuous and discontinuous line segments in pigeons. Pigeons were presented with 2 straight lines that were interrupted by a gap.
Johnston, Siobhan   +2 more
core   +1 more source

Generalized straight-line programs

open access: yesActa Informatica
This work is an extended version of articles published in SPIRE 2022 and LATIN 2024, which are now integrated into a coherent framework where specialized results are derived from more general ones, new operations are supported, and proofs are complete.
Navarro, Gonzalo   +2 more
openaire   +2 more sources

Straight-Line Target Tracking for Unmanned Surface Vehicles [PDF]

open access: yesModeling, Identification and Control, 2008
This paper considers the subject of straight-line target tracking for unmanned surface vehicles (USVs). Target-tracking represents motion control scenarios where no information about the target behavior is known in advance, i.e., the path that the target
Morten Breivik   +2 more
doaj   +1 more source

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