Multilevel stack filtering for image processing applications

Tong Sun; Bing Zeng; Yrjo A. Neuvo

doi:10.1117/12.58366

1 April 1992 Multilevel stack filtering for image processing applications

Tong Sun, Bing Zeng, Yrjo A. Neuvo

Proceedings Volume 1658, Nonlinear Image Processing III; (1992) https://doi.org/10.1117/12.58366
Event: SPIE/IS&T 1992 Symposium on Electronic Imaging: Science and Technology, 1992, San Jose, CA, United States

Abstract

In this paper, an optimal multilevel stack filtering algorithm (the stack filters used at each level are designed to be optimal) is introduced. Optimal multilevel stack filter is capable of considering a larger window mask than an optimal stack filter. Multilevel unidirectional stack filters and multilevel bidirectional stack filters are studied in particular. Design of an optimal multilevel stack filter is similar to the design of an optimal stack filter where the compare-and- select algorithm can be used. However, the design procedure needs to be adapted to operation on more than one level. Several design examples are presented showing the good performance of the proposed method.

Citation Download Citation

Tong Sun, Bing Zeng, and Yrjo A. Neuvo "Multilevel stack filtering for image processing applications", Proc. SPIE 1658, Nonlinear Image Processing III, (1 April 1992); https://doi.org/10.1117/12.58366

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