Hybrid Pixel-Based Method for Cardiac Ultrasound Fusion Based on Integration of PCA and DWT

Table 2

Comparison of image fusion techniques result; IQI is image quality index; CC is correlation coefficient; RMSE is root mean square error; and OCE is overall cross entropy.

Input	Method	IQI	RMSE	CC	OCE
Dataset 1	Proposed	0.1987	0.1041	0.9872	0.5987
	PCA	0.1623	0.1252	0.9829	0.9170
	DWT	0.1527	0.1289	0.9819	0.8701
Dataset 2	Proposed	0.2135	0.0926	0.9798	0.4528
	PCA	0.1678	0.1268	09662	0.5821
	DWT	0.1542	0.1287	0.9654	0.6012