Research Article

Improving Image Quality in Medical Images Using a Combined Method of Undecimated Wavelet Transform and Wavelet Coefficient Mapping

Table 1

Results of mammogram scoring for the three combinations by the five observers.

CombinationObserver
abcdeSum

SigmoidUDWT−1.1−0.870−1.2−1.2−4.37
SigmoidProposed−1.57−1.4−1.67−1.47−1.6−7.71
UDWTProposed−1.33−1.27−1.47−1.3−1.5−6.87