نتایج جستجو برای: neighbour

تعداد نتایج: 6060  

2013
Neeraj Sahu

This paper presents new approach Hesitant Fuzzy K-nearest neighbour (HFK-nn) based document classification and numerical results analysis. The proposed classification Hesitant Fuzzy K-nearest neighbour (HFKnn) approach is based on hesitant Fuzzy distance. In this paper we have used hesitant Fuzzy distance calculations for document classification results. The following steps are used for classif...

1999
Changjing Shang D. M. Titterington

This paper presents a novel application of Simultaneous Autoregressive models to the synthesis of magnetic material images. The effects of using either symmetric or non-symmetric neighbour sets upon the visual and statistical properties of the resulting synthesised images are investigated. The use of a neighbour set whose shape corresponds to the orientations and coarseness of the texture allow...

Journal: :Journal of Graph Theory 2014
Mirko Hornák Danjun Huang Wei-Fan Wang

A proper edge colouring of a graph G without isolated edges is neighbour-distinguishing if any two adjacent vertices have distinct sets consisting of colours of their incident edges. The neighbour-distinguishing index of G is the minimum number ndi(G) of colours in a neighbour-distinguishing edge colouring of G. According to a conjecture by Zhang, Liu and Wang (2002), ndi(G) ≤ ∆(G) + 2 provided...

Journal: :Computer Methods in Applied Mechanics and Engineering 2021

The main objective of this contribution is to develop a dissipation-consistent elasto-plastic peridynamic (PD) formulation that also geometrically exact. We distinguish between one-neighbour, two-neighbour and three-neighbour interactions. One-neighbour interactions are equivalent the bond-based original PD formalism. However, two- fundamentally different state-based interactions, as basic elem...

2000
François Anton Darka Mioc Alain Fournier

In this paper, we explore image reconstruction from irregularly spaced samples using natural neighbour interpolation. We sample the image irregularly using techniques based on the Laplacian or the derivative in the direction of the gradient. Local coordinates based on the Voronoi diagram are used in natural neighbour interpolation to quantify the \neighbourliness" of data sites. Then we use nat...

2014
Chan-Myeong Han Joon-Ho Park Chu-Seok Chang Myung-Chun Ryoo

A new method for spot matching in two-dimensional gel electrophoresis images using a cumulative frequency matrix is proposed. The method improves on the weak points of the previous method called 'spot matching by topological patterns of neighbour spots'. It accumulates the frequencies of neighbour spot pairs produced through the entire matching process and determines spot pairs one by one in or...

2013
M.Govindarajan P.Balamurugan

In this paper, we propose an Intercluster-Chaining Protocol with Neighbour Node for Energy Efficient Data Collection (ICCPNN) in Wireless Sensor Networks to prolonging network lifetime and low energy consumption and reduce transmission delay of data. ICCPNN using Neighbouring nodes for data collection that are chained with Cluster Head (CH). ICCPNN organizes sensor nodes into clusters by using ...

2013
Martin Stommel Stefan Edelkamp Thiemo Wiedemeyer Michael Beetz

Nearest neighbour searches in the image plane are among the most frequent problems in a variety of computer vision and image processing tasks. They can be used to replace missing values in image filtering, or to group close objects in image segmentation, or to access neighbouring points of interest in feature extraction. In particular, we address two nearest neighbour problems: The nearest neig...

2012
RICHARD J. SAMWORTH R. J. SAMWORTH

We derive an asymptotic expansion for the excess risk (regret) of a weighted nearest-neighbour classifier. This allows us to find the asymptotically optimal vector of nonnegative weights, which has a rather simple form. We show that the ratio of the regret of this classifier to that of an unweighted k-nearest neighbour classifier depends asymptotically only on the dimension d of the feature vec...

2016
Konstantinos Apostolou-Karampelis Christoforos Nikolaou Yannis Almirantis

Strand biases reflect deviations from a null expectation of DNA evolution that assumes strand-symmetric substitution rates. Here, we present strong evidence that nearest-neighbour preferences are a strand-biased feature of bacterial genomes, indicating neighbour-dependent substitution asymmetries. To detect such asymmetries we introduce an alignment free index (relative abundance skews). The pr...

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