نتایج جستجو برای: spectral ranking of anomalies

تعداد نتایج: 21184690  

Journal: :Journal of Machine Learning Research 2014
Braxton Osting Christoph Brune Stanley Osher

Given a graph where vertices represent alternatives and arcs represent pairwise comparison data, the statistical ranking problem is to find a potential function, defined on the vertices, such that the gradient of the potential function agrees with the pairwise comparisons. Our goal in this paper is to develop a method for collecting data for which the least squares estimator for the ranking pro...

Journal: :International Association of Geodesy symposia 2023

Abstract In this study, we apply a spectral combination method for estimation of height anomalies from gradients the gravitational potential measured by satellites. The is used solving over-determined problems within gravity field modelling when multiple types data are collected and recovery unobservable quantities (typically potential). applies solutions to geodetic boundary-value formulated i...

Journal: :Remote Sensing 2022

Recently, the isolation forest (IF) methods have received increasing attention for their promising performance in hyperspectral anomaly detection (HAD). However, limited by ability of exploiting spatial-spectral information, existing IF-based suffer from a lot false alarms and disappointing detecting local anomalies. To overcome two problems, multiscale superpixel guided discriminative method i...

2013
Lisa F Gamwell Karen Gambaro Maria Merziotis Colleen Crane Suzanna L Arcand Valerie Bourada Christopher Davis Jeremy A Squire David G Huntsman Patricia N Tonin Barbara C Vanderhyden

BACKGROUND The biology of small cell ovarian carcinoma of the hypercalcemic type (SCCOHT), which is a rare and aggressive form of ovarian cancer, is poorly understood. Tumourigenicity, in vitro growth characteristics, genetic and genomic anomalies, and sensitivity to standard and novel chemotherapeutic treatments were investigated in the unique SCCOHT cell line, BIN-67, to provide further insig...

Journal: :iranian journal of fuzzy systems 2015
r. ezzati s. khezerloo s. ziari

in this paper, we propose a new approach for ranking all fuzzynumbers based on revising the ranking method proposed by ezzati et al. cite{ezzati}.to this end, we present and investigate some properties of the proposed approach indetails. finally, to illustrate the advantage of the proposed method, it is applied to several groups of fuzzy numbers and the results are compared with other related a...

شکوهی , مریم, مانی کاشانی , خسرو,

Background and purpose: Çongenital anomalies are important causes of morbidity and mortality in newborns. These anomalies have hereditary and environmental causes. Â newborn with congenital anomaly, creates emotional problemes and high expenses for parents. This study was done to identify prevalance and some important factors of obvious congenital anomalies in live newborns in Fatemieh hospit...

2015
Sergey Zraenko Margarita Mymrina Vladislav Ganzha

The paper describes research of a trained threshold algorithm for analysis of the fire situation using multispectral remote sensing data. The algorithm is based on application of sub-satellite information about the fire on the territory covered by a satellite image. Thresholds are selected for each of the spectral bands for the determination of known fire threshold and then are used to select a...

1995
Giampiero Esposito

Lecture 2. Index problem for manifolds with a boundary. Index of the Dirac operator and anomalies. Lecture 3. Spectral asymmetry and Riemannian geometry. Heat equation and asymptotic heat kernel. The η-and ζ-functions. Lecture 4. Two-component spinor calculus. Dirac and Weyl equations in two-component spinor form. Weyl equation with spectral or local boundary conditions. Potentials for massless...

Journal: :bulletin of the iranian mathematical society 0
silvestru sever dragomir mathematics, school of engineering & science, victoria university, po box 14428, melbourne, australia

on utilizing the spectral representation of selfadjoint operators in hilbert spaces, some error bounds in approximating $n$-time differentiable functions of selfadjoint operators in hilbert spaces via a taylor's type expansion are given.

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