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A bit-level systolic array for median filter

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2 Author(s)
Long-Wen Chang ; Inst. of Comput. Sci., Nat. Tsing Hua Univ., Hsinchu, Taiwan ; Lin, J.-H.

A bit-level systolic array for median filters based on the majority of the bit strings of input samples is presented. The majority function can be implemented by a 1-b odd/even transposition network, which is regular and can be designed easily. If each input sample is represented by r bits, the systolic array contains r processor elements and requires time complexity O(N+ n+r-1) for a stream of N samples with window size n in a one-dimensional median filter

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Signal Processing, IEEE Transactions on  (Volume:40 ,  Issue: 8 )