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Median filter implementations

Caban D., Zamojski W.

Machine Graphics and Vision

2000

Vol. 9, No. 3

719-728

The paper reports on some experiments with implementing median or other rank--order digital image filters using field programmable devices. It demonstrates that a single field programmable device bay be used to build a median filter. The performance delivered using a Xilinx XC4000E-1 device exceeded 35 million pixels per second, when filtering within a 3×3 pixels window using 8-bit pixel representation. These results were obtained using autosynthesis, avoiding any direct manipulation in the design.