Research on Adaptive Optics Image Restoration Algorithm by Improved Expectation Maximization Method

Figure 5

The multiframe observed stellar images and restoration comparison of three algorithms.

(a) Degraded image frame 1

(b) Degraded image frame 2

(c) Degraded image frame 3

(d) Degraded image frame 4

(e) Restored image by Weiner-IBD algorithm

(f) Restored image by RL-IBD algorithm

(g) Estimated PSF by our algorithm

(h) Restored image by our algorithm

(i) Energy spectrum of observed image in Figure 5(a)

(j) Energy spectrum of our algorithm restored image in Figure 5(h)

(k) A line plot taken access the horizontal axis of image restored by Weiner-IBD, RL-IBD, and our algorithm