Multiframe Astronomical Image Registration Based on Block Homography Estimation

Figure 15

The relationship curve of evaluation index with respect to the number of superimposed images: (a) the relationship curve of SNR with respect to the number of superimposed images; (b) the relationship curve of CNR with respect to the number of superimposed images; (c) the relationship curve of RMSE with respect to the number of superimposed images.

(a)

(b)

(c)