Numerical stability of nystrom extension for image segmentation

信号处理 Pub Date : 2004-09-29 DOI:10.1109/MLSP.2004.1423024

E. Izquierdo, V. Guerra-Ones

引用次数: 2

Abstract

A stability analysis of the approximate solution for spectral partitioning in image segmentation based on the Nystrom extension is presented. Algorithmic modifications are introduced to improve the stability of the original technique reported in (C. Fowlkes et al., 2004). The proposed improvement includes a criterion for the selection of the initial sample and more stable estimations of inverse matrices. The proposed algorithm is validated by several computer experiments

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图像分割中nystrom扩展的数值稳定性

给出了基于Nystrom扩展的图像分割中光谱划分近似解的稳定性分析。在C. Fowlkes等人，2004年的报道中，引入了算法修改来提高原始技术的稳定性。提出的改进包括初始样本选择准则和更稳定的逆矩阵估计。通过计算机实验验证了该算法的有效性

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

信号处理

自引率

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发文量

5812

期刊介绍： Journal of Signal Processing is an academic journal supervised by China Association for Science and Technology and sponsored by China Institute of Electronics. The journal is an academic journal that reflects the latest research results and technological progress in the field of signal processing and related disciplines. It covers academic papers and review articles on new theories, new ideas, and new technologies in the field of signal processing. The journal aims to provide a platform for academic exchanges for scientific researchers and engineering and technical personnel engaged in basic research and applied research in signal processing, thereby promoting the development of information science and technology. At present, the journal has been included in the three major domestic core journal databases "China Science Citation Database (CSCD), China Science and Technology Core Journals (CSTPCD), Chinese Core Journals Overview" and Coaj. It is also included in many foreign databases such as Scopus, CSA, EBSCO host, INSPEC, JST, etc.