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Table 1 Comparison of local and global CNR by four different methods, including MER, ORPCA, MCR-RPCA and IFC-RPCA over 22 XRA images

From: Inter/intra-frame constrained vascular segmentation in X-ray angiographic image sequence

MethodsLocal CNRGlobal CNR
Original Image1.2175 ± 0.38380.8259 ± 0.2685
MER0.1259 ± 0.05970.1709 ± 0.1143
ORPCA3.8914 ± 0.53235.6527 ± 1.0719
MCR-RPCA2.9081 ± 0.70214.8105 ± 1.3528
IFC-RPCA4.2882 ± 0.74306.6344 ± 1.0849