Diagnosing cancer tissues using Digital mammograms are a time consuming task even for highly skilled radiologists because mammograms are low contrast, noisy images. Therefore, in digital mammogram there is a need for enhancing imaging before a reasonable segmentation can be achieved. In recent years, many researchers have applied the fuzzy logic to develop new image processing algorithms. Meanwhile, the fuzzy image processing is one of the important application areas of fuzzy logic. This paper gives a comparative study of fuzzy image enhancement techniques applied on digital mammogram images. Compared to other non-linear techniques, fuzzy filters are able to represent knowledge in a comprehensible way.
Fuzzy set, Fuzzy image processing, fuzzy enhancement, Digital mammography.
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