IMAGE-RESTORATION USING A MULTILAYER PERCEPTRON WITH A MULTILEVEL SIGMOIDAL FUNCTION

被引:26
作者
SIVAKUMAR, K [1 ]
DESAI, UB [1 ]
机构
[1] INDIAN INST TECHNOL,DEPT ELECT ENGN,BOMBAY 400076,INDIA
关键词
14;
D O I
10.1109/78.215329
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The problem of restoring a blurred and noisy image having many gray levels, without any knowledge of the blurring function and the statistics of the additive noise, is considered. A multilevel sigmoidal function is used as the node nonlinearity, due to which the same number of nodes as in the case of a binary image is sufficient for an image with multiple gray levels. Restoration is achieved by exploiting the generalization capabilities of the multilayer perceptron network. For realistic images, training time becomes a major burden. To overcome this, a segmentation scheme is suggested. Simulation results are also provided.
引用
收藏
页码:2018 / 2022
页数:5
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