FPGA IMPLEMENTATIONS OF SORTERS FOR NON-LINEAR FILTERS (WedAmOR1)

Author(s) : Boaz Hirschl (Intel, Israel) Leonid Yaroslavsky (Tel-Aviv University, Israel)

Abstract : Nonlinear filters for image processing have attracted consid-erable interest due to their ability to preserve edges, denoise images and to their potential for image enhancement and segmentation. One of the basic operations in nonlinear filter-ing is sorting data from a 2-D sliding window. In this paper we propose a novel approach to hardware FPGA implemen-tation of data sorting, suggest three implementations and compare them.

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