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	Image restoration based on fourth-order PDE model
	Bo Chen ; Wen-Sheng Chen ; Li-Wei Zhang
	2008
会议名称	Proceedings - 4th International Conference on Natural Computation, ICNC 2008
英文摘要	In order to avoid the blocky effects of second-order PDE model and preserve edges, a new fourth-order PDE model was proposed in this paper.Based on four-neighbor system, a simple and symmetrical difference scheme was also developed to make the model more efficient and reliable. Median filtering was utilized to alleviate the speckle effects in the processed image at last. We remove the Gaussian noises from different imagesand compare the PSNR values and visual qualities of the results with traditional methods. Numerical experimental results show that the proposedmodels give the best performance in restoring images, especially in edge preservation and enhancement.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/2254]
专题	深圳先进技术研究院_其他
推荐引用方式 GB/T 7714	Bo Chen,Wen-Sheng Chen,Li-Wei Zhang. Image restoration based on fourth-order PDE model[C]. 见:Proceedings - 4th International Conference on Natural Computation, ICNC 2008.

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