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

Table 3

Comparison of image processing methods in terms of 4 quantitative quality metrics for mammograms.

Method	MSR	CNR	CIR	PSNR
UDWT	5.80	8.18	0.28	38.35
Sigmoid	6.09	7.64	0.29	36.39
Proposed	6.24	8.24	0.67	37.98