Poisson Denoising for Astronomical Images

Table 3

Average PSNR (dB) and SSIM values of 311–325 frames.

Techniques	PSNR			SSIM
	Peak = 0.2	Peak = 0.6	Peak = 1	Peak = 0.2	Peak = 0.6	Peak = 1
KSVD-3D [12]	19.428	22.286	23.718	0.4621	0.6381	0.7221
CBM4D [13]	21.341	23.644	24.692	0.5211	0.6766	0.7620
PURE-LET [19]	20.055	22.145	23.417	0.4892	0.6212	0.6121
Proposed	22.426	24.534	25.528	0.6252	0.7599	0.8312