赖锦辉, 梁松. 一种基于递归反演的二维图像自适应算法[J]. 微电子学与计算机, 2014, 31(6): 77-80.
引用本文: 赖锦辉, 梁松. 一种基于递归反演的二维图像自适应算法[J]. 微电子学与计算机, 2014, 31(6): 77-80.
LAI Jin-hui, LIANG Song. A Two-dimensional Image Adaptive Algorithm Based on Recursive Inversion[J]. Microelectronics & Computer, 2014, 31(6): 77-80.
Citation: LAI Jin-hui, LIANG Song. A Two-dimensional Image Adaptive Algorithm Based on Recursive Inversion[J]. Microelectronics & Computer, 2014, 31(6): 77-80.

一种基于递归反演的二维图像自适应算法

A Two-dimensional Image Adaptive Algorithm Based on Recursive Inversion

  • 摘要: 针对图像除噪和图像解卷积处理问题,在一维递归反演(RI)算法的基础上,提出了一种用于二维自适应滤波的递归反演(RI)自适应算法.通过采用可变步长,从而避免使用系数更新方程中的反演相关矩阵,达到了更稳定的性能.在处理二维图像时,它可以沿水平方向和垂直方向更新滤波器系数.仿真结果表明,在图像解卷积处理和自适应线谱增强器应用方面,与二维 RLS算法相比,所提出的二维RI算法表现出更好的性能.此外,它的计算复杂性相对较低,并且不需要自相关矩阵的反演,从而拥有更稳定的性能.

     

    Abstract: To reduce noise of the image signals and image deconvolution problem, there is proposed recursive inverse (RI) adaptive algorithm for the two-dimensional adaptive filtering based on one-dimensional recursive inversion algorithm (RI). The proposed approach uses a variable step size and avoids the use of the inverse autocorrelation matrix in the coefficient update equation. The filter coefficients can be updated along both the horizontal and vertical directions on a 2-D plane. Simulation results show that the proposed 2-D RI algorithm leads to an improved performance compared to that of the 2-D RLS algorithm in an image deconvolution and an adaptive line enhancer problem setting.

     

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