自偶置换滤波器
PERMUTATION FILTERS AND SELF-DUAL PERMUTATION FILTERS
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摘要: 制约置换滤波器实用的关键是其参数数量过于庞大。文中提出具有自偶特性的置换滤波器结构。该滤波器较一般置换滤波器的参数数量减半,但实验表明,它们的性能却非常接近。
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关键词:
- 非线性滤波器; 统计滤波; 顺序统计
Abstract: A key problem of permutation filters is its too many parameters. In this paper, modified permutation filters called self-dual permutation filters are proposed. The new class filters need half of the permutation filters parameters, but they give almost equal performances with permutation filters experimentally. -
Barner K E, Arce G R. Permutation filters: A class of nonlinea rilters based on set permutation. IEEE Trans. on SP, 1994, SP-42(4): 782-798.[2]Arce G A, Hall T A, Barner K E. Permutation weighted order statistic filter lattices. IEEE Trans. on IP, 1995, IP-4(8): 1070-1083.[3]Gabbouj M, Coyle E J, Gallagher Jr. N C[J].System Signal Processing.1992, 11(1):7-45 -
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