نتایج جستجو برای: edges

تعداد نتایج: 48258  

Journal: :IEEE Wireless Communications 2016

Journal: :Biophysical Journal 1986

Journal: :Journal of Physics: Conference Series 2012

Journal: :Journal of Research of the National Institute of Standards and Technology 2019

S. MORADI Z. YARAHMADI

The Padmakar-Ivan (PI) index is a Wiener-Szeged-like topological index which reflects certain structural features of organic molecules. The PI index of a graph G is the sum of all edges uv of G of the number of edges which are not equidistant from the vertices u and v. In this paper we obtain the second and third extremals of catacondensed hexagonal systems with respect to the PI index.

Journal: :Physical review letters 2005
Inanç Adagideli Gerrit E W Bauer

The prediction of intrinsic spin Hall currents by Murakami et al. and Sinova et al. raised many questions about methods of detection and the effect of disorder. We focus on a contact between a Rashba-type spin-orbit coupled region with a normal two-dimensional electron gas and show that the spin Hall currents, though vanishing in the bulk of the sample, can be recovered from the edges. We also ...

2008
L. Paletta D. Sinclair A. Pinz

Structural classiication of edges is investigated by interpretation of visual motion from uncalibrated stereo views. Local surface patches close to edges are modeled by a planar description to simplify the determination of their associated mappings between the two projected views. The projectivity between the corresponding patches in the stereo images is parameterized under epipolar constraints...

2015
Asbjorn Braendeland

A split-by-edges tree of a graph G on n vertices is a binary tree T where the root = V(G), every leaf is an independent set in G, and for every other node N in T with children L and R there is a pair of vertices {u, v}  N such that L = N \ {v}, R = N \ {u}, and uv is an edge in G. The distance from the root to an independent set I is n – |I| and the maximum independent sets of G are the ones c...

Journal: :Journal of vision 2006
Sarah J Hawley David R Keeble

The tilt aftereffect (TAE) has been used previously to probe whether contours defined by different attributes are subserved by the same or by different underlying mechanisms. Here, we compare two types of contours between texture surfaces, one with texture orientation contrast across the edge (orientation contrast contour; OC) and one without, commonly referred to as a subjective contour (SC). ...

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