Multiframe Astronomical Image Registration Based on Block Homography Estimation

Table 1

All the evaluation indexes for Saturn image.

Evaluation indexes		SNR (dB)	CNR	RMSE	Running time (s)
Saturn images processed by the proposed method superimposition	3 images	21.0676	14.2763	0.0255	15.3861
	5 images	22.0721	16.0382	0.0180	24.9347
	10 images	22.2988	16.4632	0.0172	46.5839
Original Saturn images superimposed	3 images	14.6335	7.1323	0.0425	—
	5 images	16.7260	7.5995	0.0369	—
	10 images	16.8561	7.5453	0.0367	—