Motion Estimation Using the Firefly Algorithm in Ultrasonic Image Sequence of Soft Tissue

Table 1

The PSNR and computational time of both IFSA and IFA which runs 200 iterations.

Extensor tendon	IFSA with 20 iterations			IFA with 200 iterations
	MSE	PSNR (dB)	Time (sec)	MSE	PSNR (dB)	Time (sec)
ROI 1	2.685	43.842	31.205	2.687	43.838	8.323
ROI 2	1.800	45.578	30.549	1.802	45.573	8.167
ROI 3	1.924	45.289	30.740	1.930	45.274	8.219
ROI 4	2.047	45.020	30.455	2.052	45.008	8.157
ROI 5	2.525	44.109	31.095	2.530	44.100	8.251
ROI 6	2.693	43.828	30.690	2.699	43.818	8.198
ROI 7	1.676	45.889	30.424	1.681	45.876	8.115
ROI 8	2.020	45.078	30.439	2.027	45.063	8.115
ROI 9	1.741	45.723	30.937	1.743	45.718	8.230
ROI 10	1.718	45.781	31.315	1.725	45.764	8.229
Average	2.083	45.014	30.785	2.088	45.003	8.200