Table 2.

Comparative RD performance with other approaches.

Class	Approach [12]			Approach [33]			Proposed approach
BD-rate (%)	Y	U	V	Y	U	V	Y	U	V
Class A1	−1.27	−3.38	−5.10	0.87	0.12	0.22	−2.05	−6.38	−10.81
Class A2	−2.21	−5.74	−2.88	−1.12	−0.52	−2.11	−1.68	−11.56	−5.29
Class B	−1.13	−4.73	−4.55	−0.83	−0.47	−1.20	−1.89	−7.47	−10.09
Class C	−1.39	−3.63	−4.36	−1.76	−3.64	−6.80	−3.43	−9.72	−11.05
Class D	−1.39	−1.96	−3.08	−2.95	−3.27	−7.35	−4.47	−9.79	−11.04
Overall	−1.47	−3.88	−3.99	−1.16	−1.56	−3.44	−2.70	−8.98	−9.65