IMAGE SEGMENTATION USING A NEURAL NETWORK

被引：31

作者：

GHOSH, A ^{[1
]}

PAL, NR ^{[1
]}

PAL, SK ^{[1
]}

机构：

[1] INDIAN STAT INST,ELECTR & COMMUN SCI UNIT,203 BARRACKPORE TRUNK RD,CALCUTTA 700035,W BENGAL,INDIA

来源：

BIOLOGICAL CYBERNETICS | 1991年 / 66卷 / 02期

关键词：

D O I：

10.1007/BF00243290

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

An object extraction problem based on the Gibbs Random Field model is discussed. The Maximum a'posteriori probability (MAP) estimate of a scene based on a noise-corrupted realization is found to be computationally exponential in nature. A neural network, which is a modified version of that of Hopfield, is suggested for solving the problem. A single neuron is assigned to every pixel. Each neuron is supposed to be connected only to all of its nearest neighbours. The energy function of the network is designed in such a way that its minimum value corresponds to the MAP estimate of the scene. The dynamics of the network are described. A possible hardware realization of a neuron is also suggested. The technique is implemented on a set of noisy images and found to be highly robust and immune to noise.

引用

页码：151 / 158

页数：8

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