Poisson Denoising for Astronomical Images

Table 1

PSNR comparison.

Techniques	Peak = 0.2			Peak = 0.6			Peak = 1
	Disk	Infrared	Jupiter	Disk	Nebula	Jupiter	Disk	Nebula	Jupiter
K-SVD [15]	17.766	19.134	12.750	20.001	22.872	16.997	22.961	23.964	20.278
CBM3D [16]	16.905	20.596	16.59	19.989	21.361	19.243	23.331	22.008	22.205
Plow [17]	20.410	17.135	19.50	23.165	20.674	21.091	24.251	23.767	23.04
Anscombe [18]	18.931	21.072	15.818	23.242	23.521	18.742	25.799	23.889	21.112
NLPCA [5]	21.844	23.216	19.705	24.129	22.172	22.379	26.737	24.801	24.212
Proposed	22.198	24.081	20.392	25.032	24.689	22.614	27.015	25.036	24.627