Implementing Median Filters in XC4000E FPGAs
@inproceedings{Smith1996ImplementingMF,
title={Implementing Median Filters in XC4000E FPGAs},
author={J. Smith},
year={1996}
}○ The median filter is a popular image processing technique for removing salt and pepper (“shot”) noise from images. With this technique, the eight direct neighbors and center point of a sliding 3-by-3 array are examined. The median value of the nine elements replaces the original center pixel. The median of the 3-by-3 array is the fifth element in the sorted list of nine elements; thus, the algorithm requires a high-speed sort of the nine pixel values. The graph of Figure 1 shows the minimum… CONTINUE READING
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