Adaptive Fuzzy Filtering for Artifact Reduction in Compressed images and videos

Fingerprint Image Enhancement By Develop Mehtre Technique

“…Figure 9 shows the Block Directional Image after Block Wise Operation containing false block direction. Median Filter may be used if the objective is to achieve noise reduction with a minimum amount of blurring [14,15,16]. That is, the gray level of each pixel is replaced by the median of the gray levels in the neighborhood of that pixel.…”