نتایج جستجو برای: imperfection

تعداد نتایج: 1601  

Journal: :JACC: Clinical Electrophysiology 2017

Journal: :International Orthopaedics 2017

Journal: :Review of Regional Studies 2009

Journal: :Comparative Critical Studies 2021

Georges Perec's La Vie mode d'emploi ( Life: A User's Manual) was famously based on a number of meticulously crafted lists, including list errors that should be made in the writing each chapter. The engagement with imperfection novel is central way it balances structure and composition random exchangeable elements throughout his work plays significant role. In this article, I will move from to ...

2015
Joao E. Strapasson Grasiele C. Jorge Antonio Campello Sueli I. R. Costa

We consider quasi-perfect codes in Z over the `p metric, 2 ≤ p <∞. Through a computational approach, we determine all radii for which there are linear quasi-perfect codes for p = 2 and n = 2, 3. Moreover, we study codes with a certain degree of imperfection, a notion that generalizes the quasi-perfect codes. Numerical results concerning the codes with the smallest degree of imperfection are pre...

2011
Daniel Fecker Volker Märgner Tim Fingscheidt

This paper presents a joint imperfection detection method for on-line process monitoring of laser brazing processes. The method uses images from two spectral ranges and fuses their features with the scores of the separately calculated log-likelihood ratios to decide whether the currently generated part of a joint contains an imperfection or not. To avoid unconfident classifications, a decision ...

2009
Krystyna Biletska Sophie Midenet Marie-Hélène Masson Thierry Denoeux

This paper examines a short-time estimation problem of an origin-destination (OD) matrix, where each element is a volume of vehicle flow between one of the OD pair of zones of a signalised junction. The estimation is based on the use of traffic measurements provided by video sensors and on the knowledge of the traffic lights. This data is subject to redundancy, imprecision and uncertainty. The ...

Journal: :Math. Program. 2009
Sylvain Coulonges Arnaud Pêcher Annegret Wagler

Perfect graphs constitute a well-studied graph class with a rich structure, reflected by many characterizations with respect to different concepts. Perfect graphs are, for instance, precisely those graphs G where the stable set polytope STAB(G) equals the fractional stable set polytope QSTAB(G). The dilation ratio min{t : QSTAB(G) ⊆ t STAB(G)} of the two polytopes yields the imperfection ratio ...

2000
Matt Duckham Keith Mason John Stell Mike Worboys

Traditional computational models of geographic phenomena offer no room for imperfection. Underlying this tradition is the simplifying assumption that reality is certain, crisp, unambiguous, independent of context, and capable of quantitative representation. The paper will report on work, undertaken as part of a joint project between the universities of Keele and Leeds, which explicitly recognis...

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