Cosine Matching Imaging Method for Rotating Scanning Synthesis Aperture Imaging Radiometer

Table 2

Comparison of objective data between NUFFT, BP, and CMI methods.

Target scene	Tank&car			Boats
	RMSE	SSIM	PSNR	RMSE	SSIM	PSNR
NUFFT	0.1683	0.2733	10.6947	0.1288	0.2205	13.7518
BP	0.1730	0.2568	9.7559	0.1345	0.2102	13.0721
CMI	0.1449	0.7256	16.9164	0.1162	0.6893	18.9312